优化读写逻辑

.travis.yml

@@ -6,4 +6,5 @@ cache:
 before_install:
   - chmod +x mvnw
 install:
-  - ./mvnw install -Dgpg.skip -B -V -Dmaven.test.skip=true
+  - ./mvnw install -Dgpg.skip -B -V -Dmaven.test.skip=true
+  - ./mvnw javadoc:javadoc

README.md

@@ -25,10 +25,10 @@ Java解析、生成Excel比较有名的框架有Apache poi、jxl。但他们都
 <dependency>
     <groupId>com.alibaba</groupId>
     <artifactId>easyexcel</artifactId>
-    <version>2.0.0</version>
+    <version>2.0.0-beta1</version>
 </dependency>
 ```
-## 最新版本：2.0.0
+## 最新版本：2.0.0-beta1
 ## 维护者
 姬朋飞（玉霄）
 ## 快速开始
@@ -38,9 +38,9 @@ DEMO代码地址：[https://github.com/alibaba/easyexcel/blob/master/src/test/ja
 ```java
     /**
      * 最简单的读
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * <p>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
-     * <li>3. 直接读即可
+     * <p>3. 直接读即可
      */
     @Test
     public void simpleRead() {
@@ -55,8 +55,8 @@ DEMO代码地址：[https://github.com/alibaba/easyexcel/blob/master/src/test/ja
 ```java
     /**
      * 最简单的写
-     * <li>1. 创建excel对应的实体对象 参照{@link com.alibaba.easyexcel.test.demo.write.DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link com.alibaba.easyexcel.test.demo.write.DemoData}
-     * <li>2. 直接写即可
+     * <p>2. 直接写即可
      */
     @Test
     public void simpleWrite() {
@@ -72,9 +72,9 @@ DEMO代码地址：[https://github.com/alibaba/easyexcel/blob/master/src/test/ja
 ```java
  /**
      * 文件下载
-     * <li>1. 创建excel对应的实体对象 参照{@link DownloadData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DownloadData}
-     * <li>2. 设置返回的 参数
+     * <p>2. 设置返回的 参数
-     * <li>3. 直接写，这里注意，finish的时候会自动关闭OutputStream,当然你外面再关闭流问题不大
+     * <p>3. 直接写，这里注意，finish的时候会自动关闭OutputStream,当然你外面再关闭流问题不大
      */
     @GetMapping("download")
     public void download(HttpServletResponse response) throws IOException {
@@ -86,9 +86,9 @@ DEMO代码地址：[https://github.com/alibaba/easyexcel/blob/master/src/test/ja
 
     /**
      * 文件上传
-     * <li>1. 创建excel对应的实体对象 参照{@link UploadData}
+     * <p>1. 创建excel对应的实体对象 参照{@link UploadData}
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link UploadDataListener}
+     * <p>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link UploadDataListener}
-     * <li>3. 直接读即可
+     * <p>3. 直接读即可
      */
     @PostMapping("upload")
     @ResponseBody

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba</groupId>
     <artifactId>easyexcel</artifactId>
-    <version>2.0.0</version>
+    <version>2.0.0-beta1</version>
     <packaging>jar</packaging>
     <name>easyexcel</name>
 
@@ -214,7 +214,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.1.0</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>

quickstart.md

@@ -78,9 +78,9 @@ public class DemoDataListener extends AnalysisEventListener<DemoData> {
 ```java
     /**
      * 最简单的读
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * <p>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
-     * <li>3. 直接读即可
+     * <p>3. 直接读即可
      */
     @Test
     public void simpleRead() {
@@ -127,9 +127,9 @@ public class IndexOrNameData {
     /**
      * 指定列的下标或者列名
      *
-     * <li>1. 创建excel对应的实体对象,并使用{@link ExcelProperty}注解. 参照{@link IndexOrNameData}
+     * <p>1. 创建excel对应的实体对象,并使用{@link ExcelProperty}注解. 参照{@link IndexOrNameData}
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link IndexOrNameDataListener}
+     * <p>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link IndexOrNameDataListener}
-     * <li>3. 直接读即可
+     * <p>3. 直接读即可
      */
     @Test
     public void indexOrNameRead() {
@@ -150,9 +150,9 @@ public class IndexOrNameData {
 ```java
     /**
      * 读多个sheet,这里注意一个sheet不能读取多次，多次读取需要重新读取文件
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * <p>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
-     * <li>3. 直接读即可
+     * <p>3. 直接读即可
      */
     @Test
     public void repeatedRead() {
@@ -248,9 +248,9 @@ public class CustomStringStringConverter implements Converter<String> {
      * 日期、数字或者自定义格式转换
      * <p>
      * 默认读的转换器{@link DefaultConverterLoader#loadDefaultReadConverter()}
-     * <li>1. 创建excel对应的实体对象 参照{@link ConverterData}.里面可以使用注解{@link DateTimeFormat}、{@link NumberFormat}或者自定义注解
+     * <p>1. 创建excel对应的实体对象 参照{@link ConverterData}.里面可以使用注解{@link DateTimeFormat}、{@link NumberFormat}或者自定义注解
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link ConverterDataListener}
+     * <p>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link ConverterDataListener}
-     * <li>3. 直接读即可
+     * <p>3. 直接读即可
      */
     @Test
     public void converterRead() {
@@ -277,9 +277,9 @@ public class CustomStringStringConverter implements Converter<String> {
     /**
      * 多行头
      *
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * <p>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
-     * <li>3. 设置headRowNumber参数，然后读。 这里要注意headRowNumber如果不指定， 会根据你传入的class的{@link ExcelProperty#value()}里面的表头的数量来决定行数，
+     * <p>3. 设置headRowNumber参数，然后读。 这里要注意headRowNumber如果不指定， 会根据你传入的class的{@link ExcelProperty#value()}里面的表头的数量来决定行数，
      * 如果不传入class则默认为1.当然你指定了headRowNumber不管是否传入class都是以你传入的为准。
      */
     @Test
@@ -335,9 +335,9 @@ DEMO代码地址：[https://github.com/alibaba/easyexcel/blob/master/src/test/ja
 ```java
     /**
      * 文件上传
-     * <li>1. 创建excel对应的实体对象 参照{@link UploadData}
+     * <p>1. 创建excel对应的实体对象 参照{@link UploadData}
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link UploadDataListener}
+     * <p>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link UploadDataListener}
-     * <li>3. 直接读即可
+     * <p>3. 直接读即可
      */
     @PostMapping("upload")
     @ResponseBody
@@ -381,8 +381,8 @@ public class DemoData {
 ```java
     /**
      * 最简单的写
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 直接写即可
+     * <p>2. 直接写即可
      */
     @Test
     public void simpleWrite() {
@@ -425,9 +425,9 @@ public class IndexData {
 ```java
     /**
      * 指定写入的列
-     * <li>1. 创建excel对应的实体对象 参照{@link IndexData}
+     * <p>1. 创建excel对应的实体对象 参照{@link IndexData}
-     * <li>2. 使用{@link ExcelProperty}注解指定写入的列
+     * <p>2. 使用{@link ExcelProperty}注解指定写入的列
-     * <li>3. 直接写即可
+     * <p>3. 直接写即可
      */
     @Test
     public void indexWrite() {
@@ -456,9 +456,9 @@ public class ComplexHeadData {
 ```java
     /**
      * 复杂头写入
-     * <li>1. 创建excel对应的实体对象 参照{@link ComplexHeadData}
+     * <p>1. 创建excel对应的实体对象 参照{@link ComplexHeadData}
-     * <li>2. 使用{@link ExcelProperty}注解指定复杂的头
+     * <p>2. 使用{@link ExcelProperty}注解指定复杂的头
-     * <li>3. 直接写即可
+     * <p>3. 直接写即可
      */
     @Test
     public void complexHeadWrite() {
@@ -477,9 +477,9 @@ public class ComplexHeadData {
 ```java
     /**
      * 重复多次写入
-     * <li>1. 创建excel对应的实体对象 参照{@link ComplexHeadData}
+     * <p>1. 创建excel对应的实体对象 参照{@link ComplexHeadData}
-     * <li>2. 使用{@link ExcelProperty}注解指定复杂的头
+     * <p>2. 使用{@link ExcelProperty}注解指定复杂的头
-     * <li>3. 直接调用二次写入即可
+     * <p>3. 直接调用二次写入即可
      */
     @Test
     public void repeatedWrite() {
@@ -526,9 +526,9 @@ public class ConverterData {
 ```java
     /**
      * 日期、数字或者自定义格式转换
-     * <li>1. 创建excel对应的实体对象 参照{@link ConverterData}
+     * <p>1. 创建excel对应的实体对象 参照{@link ConverterData}
-     * <li>2. 使用{@link ExcelProperty}配合使用注解{@link DateTimeFormat}、{@link NumberFormat}或者自定义注解
+     * <p>2. 使用{@link ExcelProperty}配合使用注解{@link DateTimeFormat}、{@link NumberFormat}或者自定义注解
-     * <li>3. 直接写即可
+     * <p>3. 直接写即可
      */
     @Test
     public void converterWrite() {
@@ -561,8 +561,8 @@ public class ImageData {
 ```java
     /**
      * 图片导出
-     * <li>1. 创建excel对应的实体对象 参照{@link ImageData}
+     * <p>1. 创建excel对应的实体对象 参照{@link ImageData}
-     * <li>2. 直接写即可
+     * <p>2. 直接写即可
      */
     @Test
     public void imageWrite() throws Exception {
@@ -601,10 +601,10 @@ public class ImageData {
 ```java
     /**
      * 根据模板写入
-     * <li>1. 创建excel对应的实体对象 参照{@link IndexData}
+     * <p>1. 创建excel对应的实体对象 参照{@link IndexData}
-     * <li>2. 使用{@link ExcelProperty}注解指定写入的列
+     * <p>2. 使用{@link ExcelProperty}注解指定写入的列
-     * <li>3. 使用withTemplate 读取模板
+     * <p>3. 使用withTemplate 读取模板
-     * <li>4. 直接写即可
+     * <p>4. 直接写即可
      */
     @Test
     public void templateWrite() {
@@ -641,9 +641,9 @@ public class WidthAndHeightData {
 ```java
     /**
      * 列宽、行高
-     * <li>1. 创建excel对应的实体对象 参照{@link WidthAndHeightData}
+     * <p>1. 创建excel对应的实体对象 参照{@link WidthAndHeightData}
-     * <li>2. 使用注解{@link ColumnWidth}、{@link HeadRowHeight}、{@link ContentRowHeight}指定宽度或高度
+     * <p>2. 使用注解{@link ColumnWidth}、{@link HeadRowHeight}、{@link ContentRowHeight}指定宽度或高度
-     * <li>3. 直接写即可
+     * <p>3. 直接写即可
      */
     @Test
     public void widthAndHeightWrite() {
@@ -662,9 +662,9 @@ public class WidthAndHeightData {
 ```java
     /**
      * 自定义样式
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 创建一个style策略 并注册
+     * <p>2. 创建一个style策略 并注册
-     * <li>3. 直接写即可
+     * <p>3. 直接写即可
      */
     @Test
     public void styleWrite() {
@@ -705,9 +705,9 @@ public class WidthAndHeightData {
 ```java
    /**
      * 合并单元格
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 创建一个merge策略 并注册
+     * <p>2. 创建一个merge策略 并注册
-     * <li>3. 直接写即可
+     * <p>3. 直接写即可
      */
     @Test
     public void mergeWrite() {
@@ -729,8 +729,8 @@ public class WidthAndHeightData {
 ```java
    /**
      * 使用table去写入
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 然后写入table即可
+     * <p>2. 然后写入table即可
      */
     @Test
     public void tableWrite() {
@@ -764,8 +764,8 @@ public class WidthAndHeightData {
      * <p>
      * 思路是这样子的，先创建List<String>头格式的sheet仅仅写入头,然后通过table 不写入头的方式 去写入数据
      *
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 然后写入table即可
+     * <p>2. 然后写入table即可
      */
     @Test
     public void dynamicHeadWrite() {
@@ -818,9 +818,9 @@ public class LongestMatchColumnWidthData {
      * <p>
      * poi 自带{@link SXSSFSheet#autoSizeColumn(int)} 对中文支持也不太好。目前没找到很好的算法。 有的话可以推荐下。
      *
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>3. 注册策略{@link LongestMatchColumnWidthStyleStrategy}
+     * <p>3. 注册策略{@link LongestMatchColumnWidthStyleStrategy}
-     * <li>2. 直接写即可
+     * <p>2. 直接写即可
      */
     @Test
     public void longestMatchColumnWidthWrite() {
@@ -852,9 +852,9 @@ DEMO代码地址：[https://github.com/alibaba/easyexcel/blob/master/src/test/ja
 ```java
    /**
      * 文件下载
-     * <li>1. 创建excel对应的实体对象 参照{@link DownloadData}
+     * <p>1. 创建excel对应的实体对象 参照{@link DownloadData}
-     * <li>2. 设置返回的 参数
+     * <p>2. 设置返回的 参数
-     * <li>3. 直接写，这里注意，finish的时候会自动关闭OutputStream,当然你外面再关闭流问题不大
+     * <p>3. 直接写，这里注意，finish的时候会自动关闭OutputStream,当然你外面再关闭流问题不大
      */
     @GetMapping("download")
     public void download(HttpServletResponse response) throws IOException {

src/main/java/com/alibaba/excel/EasyExcelFactory.java

@@ -136,6 +136,8 @@ public class EasyExcelFactory {
      *            the java OutputStream you wish to write the value to
      * @param typeEnum
      *            03 or 07
+     * @param needHead
+     *            Whether a write header is required
      * @return new ExcelWriter
      * @deprecated please use {@link EasyExcel#write()}
      */
@@ -157,6 +159,7 @@ public class EasyExcelFactory {
      * @param typeEnum
      *            03 or 07
      * @param needHead
+     *            Whether a write header is required
      * @param handler
      *            User-defined callback
      * @return new ExcelWriter
@@ -182,7 +185,8 @@ public class EasyExcelFactory {
      * Build excel the write
      *
      * @param file
-     * @return
+     *            File to write
+     * @return Excel writer builder
      */
     public static ExcelWriterBuilder write(File file) {
         return write(file, null);
@@ -192,8 +196,10 @@ public class EasyExcelFactory {
      * Build excel the write
      *
      * @param file
+     *            File to write
      * @param head
-     * @return
+     *            Annotate the class for configuration information
+     * @return Excel writer builder
      */
     public static ExcelWriterBuilder write(File file, Class head) {
         ExcelWriterBuilder excelWriterBuilder = new ExcelWriterBuilder();
@@ -208,7 +214,8 @@ public class EasyExcelFactory {
      * Build excel the write
      *
      * @param pathName
-     * @return
+     *            File path to write
+     * @return Excel writer builder
      */
     public static ExcelWriterBuilder write(String pathName) {
         return write(pathName, null);
@@ -218,8 +225,10 @@ public class EasyExcelFactory {
      * Build excel the write
      *
      * @param pathName
+     *            File path to write
      * @param head
-     * @return
+     *            Annotate the class for configuration information
+     * @return Excel writer builder
      */
     public static ExcelWriterBuilder write(String pathName, Class head) {
         ExcelWriterBuilder excelWriterBuilder = new ExcelWriterBuilder();
@@ -234,7 +243,8 @@ public class EasyExcelFactory {
      * Build excel the write
      *
      * @param outputStream
-     * @return
+     *            Output stream to write
+     * @return Excel writer builder
      */
     public static ExcelWriterBuilder write(OutputStream outputStream) {
         return write(outputStream, null);
@@ -244,8 +254,10 @@ public class EasyExcelFactory {
      * Build excel the write
      *
      * @param outputStream
+     *            Output stream to write
      * @param head
-     * @return
+     *            Annotate the class for configuration information.
+     * @return Excel writer builder
      */
     public static ExcelWriterBuilder write(OutputStream outputStream, Class head) {
         ExcelWriterBuilder excelWriterBuilder = new ExcelWriterBuilder();
@@ -257,19 +269,20 @@ public class EasyExcelFactory {
     }
 
     /**
-     * Build excel the 'writerSheet'
+     * Build excel the <code>writerSheet</code>
      *
-     * @return
+     * @return Excel sheet writer builder
      */
     public static ExcelWriterSheetBuilder writerSheet() {
         return writerSheet(null, null);
     }
 
     /**
-     * Build excel the 'writerSheet'
+     * Build excel the <code>writerSheet</code>
      *
      * @param sheetNo
-     * @return
+     *            Index of sheet,0 base.
+     * @return Excel sheet writer builder.
      */
     public static ExcelWriterSheetBuilder writerSheet(Integer sheetNo) {
         return writerSheet(sheetNo, null);
@@ -279,7 +292,8 @@ public class EasyExcelFactory {
      * Build excel the 'writerSheet'
      *
      * @param sheetName
-     * @return
+     *            The name of sheet.
+     * @return Excel sheet writer builder.
      */
     public static ExcelWriterSheetBuilder writerSheet(String sheetName) {
         return writerSheet(null, sheetName);
@@ -289,8 +303,10 @@ public class EasyExcelFactory {
      * Build excel the 'writerSheet'
      *
      * @param sheetNo
+     *            Index of sheet,0 base.
      * @param sheetName
-     * @return
+     *            The name of sheet.
+     * @return Excel sheet writer builder.
      */
     public static ExcelWriterSheetBuilder writerSheet(Integer sheetNo, String sheetName) {
         ExcelWriterSheetBuilder excelWriterSheetBuilder = new ExcelWriterSheetBuilder();
@@ -304,9 +320,9 @@ public class EasyExcelFactory {
     }
 
     /**
-     * Build excel the 'writerTable'
+     * Build excel the <code>writerTable</code>
      *
-     * @return
+     * @return Excel table writer builder.
      */
     public static ExcelWriterTableBuilder writerTable() {
         return writerTable(null);
@@ -316,7 +332,8 @@ public class EasyExcelFactory {
      * Build excel the 'writerTable'
      *
      * @param tableNo
-     * @return
+     *            Index of table,0 base.
+     * @return Excel table writer builder.
      */
     public static ExcelWriterTableBuilder writerTable(Integer tableNo) {
         ExcelWriterTableBuilder excelWriterTableBuilder = new ExcelWriterTableBuilder();
@@ -329,7 +346,7 @@ public class EasyExcelFactory {
     /**
      * Build excel the read
      *
-     * @return
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read() {
         return new ExcelReaderBuilder();
@@ -339,7 +356,8 @@ public class EasyExcelFactory {
      * Build excel the read
      *
      * @param file
-     * @return
+     *            File to read.
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read(File file) {
         return read(file, null, null);
@@ -349,8 +367,10 @@ public class EasyExcelFactory {
      * Build excel the read
      *
      * @param file
+     *            File to read.
      * @param readListener
-     * @return
+     *            Read listener.
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read(File file, ReadListener readListener) {
         return read(file, null, readListener);
@@ -360,9 +380,12 @@ public class EasyExcelFactory {
      * Build excel the read
      *
      * @param file
+     *            File to read.
      * @param head
+     *            Annotate the class for configuration information.
      * @param readListener
-     * @return
+     *            Read listener.
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read(File file, Class head, ReadListener readListener) {
         ExcelReaderBuilder excelReaderBuilder = new ExcelReaderBuilder();
@@ -380,7 +403,8 @@ public class EasyExcelFactory {
      * Build excel the read
      *
      * @param pathName
-     * @return
+     *            File path to read.
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read(String pathName) {
         return read(pathName, null, null);
@@ -390,8 +414,10 @@ public class EasyExcelFactory {
      * Build excel the read
      *
      * @param pathName
+     *            File path to read.
      * @param readListener
-     * @return
+     *            Read listener.
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read(String pathName, ReadListener readListener) {
         return read(pathName, null, readListener);
@@ -401,9 +427,12 @@ public class EasyExcelFactory {
      * Build excel the read
      *
      * @param pathName
+     *            File path to read.
      * @param head
+     *            Annotate the class for configuration information.
      * @param readListener
-     * @return
+     *            Read listener.
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read(String pathName, Class head, ReadListener readListener) {
         ExcelReaderBuilder excelReaderBuilder = new ExcelReaderBuilder();
@@ -421,7 +450,8 @@ public class EasyExcelFactory {
      * Build excel the read
      *
      * @param inputStream
-     * @return
+     *            Input stream to read.
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read(InputStream inputStream) {
         return read(inputStream, null, null);
@@ -431,8 +461,10 @@ public class EasyExcelFactory {
      * Build excel the read
      *
      * @param inputStream
+     *            Input stream to read.
      * @param readListener
-     * @return
+     *            Read listener.
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read(InputStream inputStream, ReadListener readListener) {
         return read(inputStream, null, readListener);
@@ -442,9 +474,12 @@ public class EasyExcelFactory {
      * Build excel the read
      *
      * @param inputStream
+     *            Input stream to read.
      * @param head
+     *            Annotate the class for configuration information.
      * @param readListener
-     * @return
+     *            Read listener.
+     * @return Excel reader builder.
      */
     public static ExcelReaderBuilder read(InputStream inputStream, Class head, ReadListener readListener) {
         ExcelReaderBuilder excelReaderBuilder = new ExcelReaderBuilder();
@@ -461,7 +496,7 @@ public class EasyExcelFactory {
     /**
      * Build excel the 'readSheet'
      *
-     * @return
+     * @return Excel sheet reader builder.
      */
     public static ExcelReaderSheetBuilder readSheet() {
         return readSheet(null, null);
@@ -471,7 +506,8 @@ public class EasyExcelFactory {
      * Build excel the 'readSheet'
      *
      * @param sheetNo
-     * @return
+     *            Index of sheet,0 base.
+     * @return Excel sheet reader builder.
      */
     public static ExcelReaderSheetBuilder readSheet(Integer sheetNo) {
         return readSheet(sheetNo, null);
@@ -481,7 +517,8 @@ public class EasyExcelFactory {
      * Build excel the 'readSheet'
      *
      * @param sheetName
-     * @return
+     *            The name of sheet.
+     * @return Excel sheet reader builder.
      */
     public static ExcelReaderSheetBuilder readSheet(String sheetName) {
         return readSheet(null, sheetName);
@@ -491,8 +528,10 @@ public class EasyExcelFactory {
      * Build excel the 'readSheet'
      *
      * @param sheetNo
+     *            Index of sheet,0 base.
      * @param sheetName
-     * @return
+     *            The name of sheet.
+     * @return Excel sheet reader builder.
      */
     public static ExcelReaderSheetBuilder readSheet(Integer sheetNo, String sheetName) {
         ExcelReaderSheetBuilder excelReaderSheetBuilder = new ExcelReaderSheetBuilder();

src/main/java/com/alibaba/excel/ExcelReader.java

@@ -276,7 +276,6 @@ public class ExcelReader {
     /**
      * Prevents calls to {@link #finish} from freeing the cache
      *
-     * @throws Throwable
      */
     @Override
     protected void finalize() {

src/main/java/com/alibaba/excel/analysis/ExcelAnalyser.java

@@ -13,6 +13,7 @@ public interface ExcelAnalyser {
      * parse one sheet
      *
      * @param readSheet
+     *            sheet to read
      */
     void analysis(ReadSheet readSheet);
 
@@ -23,14 +24,14 @@ public interface ExcelAnalyser {
 
     /**
      * Acquisition excel executor
-     * 
+     *
-     * @return
+     * @return Excel file Executor
      */
     ExcelExecutor excelExecutor();
 
     /**
      * get the analysis context.
-     * 
+     *
      * @return analysis context
      */
     AnalysisContext analysisContext();

src/main/java/com/alibaba/excel/analysis/ExcelExecutor.java

@@ -14,7 +14,7 @@ public interface ExcelExecutor {
     /**
      * Returns the actual sheet in excel
      *
-     * @return
+     * @return Actual sheet in excel
      */
     List<ReadSheet> sheetList();
 

src/main/java/com/alibaba/excel/analysis/v03/XlsRecordHandler.java

@@ -14,7 +14,8 @@ public interface XlsRecordHandler extends Comparable<XlsRecordHandler> {
      * Which tags are supported
      *
      * @param record
-     * @return
+     *            Excel analysis record
+     * @return Which tags are supported
      */
     boolean support(Record record);
 
@@ -33,28 +34,28 @@ public interface XlsRecordHandler extends Comparable<XlsRecordHandler> {
     /**
      * Get row
      *
-     * @return
+     * @return Row index
      */
     int getRow();
 
     /**
      * Get column
      *
-     * @return
+     * @return Column index
      */
     int getColumn();
 
     /**
      * Get value
      *
-     * @return
+     * @return Excel internal cell data
      */
     CellData getCellData();
 
     /**
      * Get order
      *
-     * @return
+     * @return Order
      */
     int getOrder();
 }

src/main/java/com/alibaba/excel/analysis/v07/XlsxCellHandler.java

@@ -10,24 +10,28 @@ import org.xml.sax.Attributes;
 public interface XlsxCellHandler {
     /**
      * Which tags are supported
-     * 
+     *
      * @param name
-     * @return
+     *            Tag name
+     * @return Support parsing or not
      */
     boolean support(String name);
 
     /**
      * Start handle
-     * 
+     *
      * @param name
+     *            Tag name
      * @param attributes
+     *            Tag attributes
      */
     void startHandle(String name, Attributes attributes);
 
     /**
      * End handle
-     * 
+     *
      * @param name
+     *            Tag name
      */
     void endHandle(String name);
 }

src/main/java/com/alibaba/excel/annotation/ExcelProperty.java

@@ -20,10 +20,12 @@ public @interface ExcelProperty {
     /**
      * The name of the sheet header.
      *
-     * <li>write: It automatically merges when you have more than one head
+     * <p>
-     * <li>read: When you have multiple heads, take the first one
+     * write: It automatically merges when you have more than one head
+     * <p>
+     * read: When you have multiple heads, take the first one
      *
-     * @return
+     * @return The name of the sheet header
      */
     String[] value() default {""};
 
@@ -32,14 +34,14 @@ public @interface ExcelProperty {
      *
      * Read or write it on the index of column,If it's equal to -1, it's sorted by Java class
      *
-     * @return
+     * @return Index of column
      */
     int index() default -1;
 
     /**
      * Force the current field to use this converter.
      *
-     * @return
+     * @return Converter
      */
     Class<? extends Converter> converter() default AutoConverter.class;
 
@@ -47,7 +49,7 @@ public @interface ExcelProperty {
      *
      * default @see com.alibaba.excel.util.TypeUtil if default is not meet you can set format
      *
-     * @return
+     * @return Format string
      * @deprecated please use {@link com.alibaba.excel.annotation.format.DateTimeFormat}
      */
     @Deprecated

src/main/java/com/alibaba/excel/annotation/format/DateTimeFormat.java

@@ -9,8 +9,10 @@ import java.lang.annotation.Target;
 /**
  * Convert date format.
  *
- * <li>write: It can be used on classes {@link java.util.Date}
+ * <p>
- * <li>read: It can be used on classes {@link String}
+ * write: It can be used on classes {@link java.util.Date}
+ * <p>
+ * read: It can be used on classes {@link String}
  *
  * @author Jiaju Zhuang
  */
@@ -23,14 +25,14 @@ public @interface DateTimeFormat {
      *
      * Specific format reference {@link java.text.SimpleDateFormat}
      *
-     * @return
+     * @return Format pattern
      */
     String value() default "";
 
     /**
-     * true if date uses 1904 windowing, or false if using 1900 date windowing.
+     * True if date uses 1904 windowing, or false if using 1900 date windowing.
      *
-     * @return
+     * @return True if date uses 1904 windowing, or false if using 1900 date windowing.
      */
     boolean use1904windowing() default false;
 }

src/main/java/com/alibaba/excel/annotation/format/NumberFormat.java

@@ -10,8 +10,10 @@ import java.math.RoundingMode;
 /**
  * Convert number format.
  *
- * <li>write: It can be used on classes that inherit {@link Number}
+ * <p>
- * <li>read: It can be used on classes {@link String}
+ * write: It can be used on classes that inherit {@link Number}
+ * <p>
+ * read: It can be used on classes {@link String}
  *
  * @author Jiaju Zhuang
  */
@@ -24,14 +26,14 @@ public @interface NumberFormat {
      *
      * Specific format reference {@link org.apache.commons.math3.fraction.BigFractionFormat}
      *
-     * @return
+     * @return Format pattern
      */
     String value() default "";
 
     /**
      * Rounded by default
      *
-     * @return
+     * @return RoundingMode
      */
     RoundingMode roundingMode() default RoundingMode.HALF_UP;
 }

src/main/java/com/alibaba/excel/annotation/write/style/ColumnWidth.java

@@ -20,6 +20,8 @@ public @interface ColumnWidth {
      * Column width
      * <p>
      * -1 means the default column width is used
+     *
+     * @return Column width
      */
     int value() default -1;
 }

src/main/java/com/alibaba/excel/annotation/write/style/ContentRowHeight.java

@@ -21,7 +21,7 @@ public @interface ContentRowHeight {
      * <p>
      * -1 mean the auto set height
      *
-     * @return
+     * @return Content height
      */
     short value() default -1;
 }

src/main/java/com/alibaba/excel/annotation/write/style/HeadRowHeight.java

@@ -20,7 +20,7 @@ public @interface HeadRowHeight {
      * <p>
      * -1 mean the auto set height
      *
-     * @return
+     * @return Header height
      */
     short value() default -1;
 }

src/main/java/com/alibaba/excel/cache/ReadCache.java

@@ -13,6 +13,7 @@ public interface ReadCache {
      * Initialize cache
      *
      * @param analysisContext
+     *            A context is the main anchorage point of a excel reader.
      */
     void init(AnalysisContext analysisContext);
 
@@ -20,6 +21,7 @@ public interface ReadCache {
      * Automatically generate the key and put it in the cache.Key start from 0
      *
      * @param value
+     *            Cache value
      */
     void put(String value);
 
@@ -27,7 +29,8 @@ public interface ReadCache {
      * Get value
      *
      * @param key
-     * @return
+     *            Index
+     * @return Value
      */
     String get(Integer key);
 

src/main/java/com/alibaba/excel/context/AnalysisContext.java

@@ -15,56 +15,59 @@ import com.alibaba.excel.support.ExcelTypeEnum;
 /**
  *
  * A context is the main anchorage point of a excel reader.
- * 
+ *
  * @author jipengfei
  */
 public interface AnalysisContext {
     /**
      * Select the current table
-     * 
+     *
      * @param excelExecutor
+     *            Excel file Executor
      * @param readSheet
+     *            sheet to read
      */
     void currentSheet(ExcelExecutor excelExecutor, ReadSheet readSheet);
 
     /**
      * All information about the workbook you are currently working on
      *
-     * @return
+     * @return Current workbook holder
      */
     ReadWorkbookHolder readWorkbookHolder();
 
     /**
      * All information about the sheet you are currently working on
      *
-     * @return
+     * @return Current sheet holder
      */
     ReadSheetHolder readSheetHolder();
 
     /**
      * Set row of currently operated cell
-     * 
+     *
      * @param readRowHolder
+     *            Current row holder
      */
     void readRowHolder(ReadRowHolder readRowHolder);
 
     /**
      * Row of currently operated cell
      *
-     * @return
+     * @return Current row holder
      */
     ReadRowHolder readRowHolder();
 
     /**
-     * The current read operation corresponds to the 'readSheetHolder' or 'readWorkbookHolder'
+     * The current read operation corresponds to the <code>readSheetHolder</code> or <code>readWorkbookHolder</code>
-     * 
+     *
-     * @return
+     * @return Current holder
      */
     ReadHolder currentReadHolder();
 
     /**
      * Custom attribute
-     * 
+     *
      * @return
      */
     Object getCustom();
@@ -81,7 +84,7 @@ public interface AnalysisContext {
     /**
      *
      * get excel type
-     * 
+     *
      * @return excel type
      * @deprecated please use {@link #readWorkbookHolder()}
      */
@@ -90,7 +93,7 @@ public interface AnalysisContext {
 
     /**
      * get in io
-     * 
+     *
      * @return file io
      * @deprecated please use {@link #readWorkbookHolder()}
      */
@@ -99,7 +102,7 @@ public interface AnalysisContext {
 
     /**
      * get current row
-     * 
+     *
      * @return
      * @deprecated please use {@link #readRowHolder()}
      */
@@ -108,7 +111,7 @@ public interface AnalysisContext {
 
     /**
      * get total row ,Data may be inaccurate
-     * 
+     *
      * @return
      * @deprecated please use {@link #readRowHolder()}
      */
@@ -126,7 +129,7 @@ public interface AnalysisContext {
 
     /**
      * Interrupt execution
-     * 
+     *
      * @deprecated please use {@link AnalysisEventListener#hasNext(AnalysisContext)}
      */
     @Deprecated

src/main/java/com/alibaba/excel/converters/Converter.java

@@ -16,14 +16,14 @@ public interface Converter<T> {
     /**
      * Back to object types in Java
      *
-     * @return
+     * @return Support for Java class
      */
     Class supportJavaTypeKey();
 
     /**
      * Back to object enum in excel
      *
-     * @return
+     * @return Support for {@link CellDataTypeEnum}
      */
     CellDataTypeEnum supportExcelTypeKey();
 
@@ -31,13 +31,14 @@ public interface Converter<T> {
      * Convert excel objects to Java objects
      *
      * @param cellData
-     *            NotNull
+     *            Excel cell data.NotNull.
      * @param contentProperty
-     *            Nullable
+     *            Content property.Nullable.
      * @param globalConfiguration
-     *            NotNull
+     *            Global configuration.NotNull.
-     * @return
+     * @return Data to put into a Java object
      * @throws Exception
+     *             Exception.
      */
     T convertToJavaData(CellData cellData, ExcelContentProperty contentProperty,
         GlobalConfiguration globalConfiguration) throws Exception;
@@ -46,13 +47,14 @@ public interface Converter<T> {
      * Convert Java objects to excel objects
      *
      * @param value
-     *            NotNull
+     *            Java Data.NotNull.
      * @param contentProperty
-     *            Nullable
+     *            Content property.Nullable.
      * @param globalConfiguration
-     *            NotNull
+     *            Global configuration.NotNull.
-     * @return
+     * @return Data to put into a Excel
      * @throws Exception
+     *             Exception.
      */
     CellData convertToExcelData(T value, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration)
         throws Exception;

src/main/java/com/alibaba/excel/event/WriteHandler.java

@@ -7,7 +7,7 @@ import org.apache.poi.ss.usermodel.Sheet;
 /**
  *
  * @author jipengfei
- * @deprecated please use {@ com.alibaba.excel.write.handler.WriteHandler}
+ * @deprecated please use {@link com.alibaba.excel.write.handler.WriteHandler}
  */
 @Deprecated
 public interface WriteHandler {
@@ -30,7 +30,7 @@ public interface WriteHandler {
 
     /**
      * Custom operation after creating each cell
-     * 
+     *
      * @param cellNum
      * @param cell
      */

src/main/java/com/alibaba/excel/exception/ExcelAnalysisException.java

@@ -6,8 +6,7 @@ package com.alibaba.excel.exception;
  */
 public class ExcelAnalysisException extends RuntimeException {
 
-    public ExcelAnalysisException() {
+    public ExcelAnalysisException() {}
-    }
 
     public ExcelAnalysisException(String message) {
         super(message);

src/main/java/com/alibaba/excel/exception/ExcelGenerateException.java

@@ -5,7 +5,6 @@ package com.alibaba.excel.exception;
  */
 public class ExcelGenerateException extends RuntimeException {
 
-
     public ExcelGenerateException(String message) {
         super(message);
     }

src/main/java/com/alibaba/excel/metadata/AbstractHolder.java

@@ -29,8 +29,10 @@ public abstract class AbstractHolder implements ConfigurationHolder {
     private GlobalConfiguration globalConfiguration;
 
     /**
-     * <li>Read key:
+     * <p>
-     * <li>Write key:
+     * Read key:
+     * <p>
+     * Write key:
      */
     private Map<String, Converter> converterMap;
 

src/main/java/com/alibaba/excel/metadata/CellData.java

@@ -3,7 +3,7 @@ package com.alibaba.excel.metadata;
 import com.alibaba.excel.enums.CellDataTypeEnum;
 
 /**
- * excel internal cell data
+ * Excel internal cell data
  *
  * @author Jiaju Zhuang
  */

src/main/java/com/alibaba/excel/metadata/ConfigurationHolder.java

@@ -16,21 +16,21 @@ public interface ConfigurationHolder extends Holder {
      *
      * Record whether it's new or from cache
      *
-     * @return
+     * @return Record whether it's new or from cache
      */
     boolean isNew();
 
     /**
      * Some global variables
      *
-     * @return
+     * @return Global configuration
      */
     GlobalConfiguration globalConfiguration();
 
     /**
      * What converter does the currently operated cell need to execute
      *
-     * @return
+     * @return Converter
      */
     Map<String, Converter> converterMap();
 }

src/main/java/com/alibaba/excel/metadata/Holder.java

@@ -13,7 +13,7 @@ public interface Holder {
     /**
      * What holder is the return
      *
-     * @return
+     * @return Holder enum.
      */
     HolderEnum holderType();
 

src/main/java/com/alibaba/excel/read/builder/ExcelReaderBuilder.java

@@ -63,10 +63,10 @@ public class ExcelReaderBuilder {
         return file(new File(pathName));
     }
 
-
     /**
      * Mandatory use 'inputStream' .Default is false.
-     * <li>if false,Will transfer 'inputStream' to temporary files to improve efficiency
+     * <p>
+     * if false,Will transfer 'inputStream' to temporary files to improve efficiency
      */
     public ExcelReaderBuilder mandatoryUseInputStream(Boolean mandatoryUseInputStream) {
         readWorkbook.setMandatoryUseInputStream(mandatoryUseInputStream);
@@ -110,9 +110,12 @@ public class ExcelReaderBuilder {
     /**
      * Count the number of added heads when read sheet.
      *
-     * <li>0 - This Sheet has no head ,since the first row are the data
+     * <p>
-     * <li>1 - This Sheet has one row head , this is the default
+     * 0 - This Sheet has no head ,since the first row are the data
-     * <li>2 - This Sheet has two row head ,since the third row is the data
+     * <p>
+     * 1 - This Sheet has one row head , this is the default
+     * <p>
+     * 2 - This Sheet has two row head ,since the third row is the data
      *
      * @param headRowNumber
      * @return

src/main/java/com/alibaba/excel/read/builder/ExcelReaderSheetBuilder.java

@@ -57,9 +57,12 @@ public class ExcelReaderSheetBuilder {
     /**
      * Count the number of added heads when read sheet.
      *
-     * <li>0 - This Sheet has no head ,since the first row are the data
+     * <p>
-     * <li>1 - This Sheet has one row head , this is the default
+     * 0 - This Sheet has no head ,since the first row are the data
-     * <li>2 - This Sheet has two row head ,since the third row is the data
+     * <p>
+     * 1 - This Sheet has one row head , this is the default
+     * <p>
+     * 2 - This Sheet has two row head ,since the third row is the data
      *
      * @param headRowNumber
      * @return
@@ -149,8 +152,6 @@ public class ExcelReaderSheetBuilder {
 
     /**
      * Sax read
-     *
-     * @return
      */
     public void doRead() {
         if (excelReader == null) {

src/main/java/com/alibaba/excel/read/listener/ReadListenerRegistryCenter.java

@@ -13,8 +13,9 @@ public interface ReadListenerRegistryCenter {
 
     /**
      * register
-     * 
+     *
      * @param listener
+     *            Analysis listener
      */
     void register(AnalysisEventListener listener);
 
@@ -24,13 +25,15 @@ public interface ReadListenerRegistryCenter {
      * @param event
      *            parse event
      * @param analysisContext
+     *            Analysis context
      */
     void notifyEndOneRow(AnalysisFinishEvent event, AnalysisContext analysisContext);
 
     /**
      * Notify after all analysed
-     * 
+     *
      * @param analysisContext
+     *            Analysis context
      */
     void notifyAfterAllAnalysed(AnalysisContext analysisContext);
 }

src/main/java/com/alibaba/excel/read/metadata/ReadBasicParameter.java

@@ -15,9 +15,12 @@ public class ReadBasicParameter extends BasicParameter {
     /**
      * Count the number of added heads when read sheet.
      *
-     * <li>0 - This Sheet has no head ,since the first row are the data
+     * <p>
-     * <li>1 - This Sheet has one row head , this is the default
+     * 0 - This Sheet has no head ,since the first row are the data
-     * <li>2 - This Sheet has two row head ,since the third row is the data
+     * <p>
+     * 1 - This Sheet has one row head , this is the default
+     * <p>
+     * 2 - This Sheet has two row head ,since the third row is the data
      */
     private Integer headRowNumber;
     /**

src/main/java/com/alibaba/excel/read/metadata/ReadWorkbook.java

@@ -32,7 +32,8 @@ public class ReadWorkbook extends ReadBasicParameter {
     private File file;
     /**
      * Mandatory use 'inputStream' .Default is false.
-     * <li>if false,Will transfer 'inputStream' to temporary files to improve efficiency
+     * <p>
+     * if false,Will transfer 'inputStream' to temporary files to improve efficiency
      */
     private Boolean mandatoryUseInputStream;
     /**
@@ -51,8 +52,10 @@ public class ReadWorkbook extends ReadBasicParameter {
     private ReadCache readCache;
     /**
      * The default is all excel objects.Default is true.
-     * <li>if true , you can use {@link com.alibaba.excel.annotation.ExcelIgnore} ignore a field.
+     * <p>
-     * <li>if false , you must use {@link com.alibaba.excel.annotation.ExcelProperty} to use a filed.
+     * if true , you can use {@link com.alibaba.excel.annotation.ExcelIgnore} ignore a field.
+     * <p>
+     * if false , you must use {@link com.alibaba.excel.annotation.ExcelProperty} to use a filed.
      *
      * @deprecated Just to be compatible with historical data, The default is always going to be convert all filed.
      */

src/main/java/com/alibaba/excel/read/metadata/holder/AbstractReadHolder.java

@@ -37,9 +37,12 @@ public abstract class AbstractReadHolder extends AbstractHolder implements ReadH
     /**
      * Count the number of added heads when read sheet.
      *
-     * <li>0 - This Sheet has no head ,since the first row are the data
+     * <p>
-     * <li>1 - This Sheet has one row head , this is the default
+     * 0 - This Sheet has no head ,since the first row are the data
-     * <li>2 - This Sheet has two row head ,since the third row is the data
+     * <p>
+     * 1 - This Sheet has one row head , this is the default
+     * <p>
+     * 2 - This Sheet has two row head ,since the third row is the data
      */
     private Integer headRowNumber;
     /**

src/main/java/com/alibaba/excel/read/metadata/holder/ReadHolder.java

@@ -16,14 +16,14 @@ public interface ReadHolder extends ConfigurationHolder {
     /**
      * What handler does the currently operated cell need to execute
      *
-     * @return
+     * @return Current {@link ReadListener}
      */
     List<ReadListener> readListenerList();
 
     /**
-     * What 'ExcelReadHeadProperty' does the currently operated cell need to execute
+     * What {@link ExcelReadHeadProperty} does the currently operated cell need to execute
      *
-     * @return
+     * @return Current {@link ExcelReadHeadProperty}
      */
     ExcelReadHeadProperty excelReadHeadProperty();
 

src/main/java/com/alibaba/excel/read/metadata/holder/ReadWorkbookHolder.java

@@ -43,7 +43,8 @@ public class ReadWorkbookHolder extends AbstractReadHolder {
     private File file;
     /**
      * Mandatory use 'inputStream' .Default is false.
-     * <li>if false,Will transfer 'inputStream' to temporary files to improve efficiency
+     * <p>
+     * if false,Will transfer 'inputStream' to temporary files to improve efficiency
      */
     private Boolean mandatoryUseInputStream;
     /**

src/main/java/com/alibaba/excel/util/BooleanUtils.java

@@ -13,8 +13,6 @@ public class BooleanUtils {
     /**
      * String to boolean
      *
-     * <li>
-     *
      * @param str
      * @return
      */

src/main/java/com/alibaba/excel/util/PositionUtils.java

@@ -9,7 +9,7 @@ public class PositionUtils {
         int row = 0;
         if (currentCellIndex != null) {
             String rowStr = currentCellIndex.replaceAll("[A-Z]", "").replaceAll("[a-z]", "");
-            row = Integer.parseInt(rowStr)-1;
+            row = Integer.parseInt(rowStr) - 1;
         }
         return row;
     }
@@ -23,6 +23,6 @@ public class PositionUtils {
                 col += (currentIndex[i] - '@') * Math.pow(26, (currentIndex.length - i - 1));
             }
         }
-        return col-1;
+        return col - 1;
     }
 }

src/main/java/com/alibaba/excel/write/merge/AbstractMergeStrategy.java

@@ -23,8 +23,8 @@ public abstract class AbstractMergeStrategy implements CellWriteHandler {
     }
 
     @Override
-    public void afterCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, CellData cellData, Cell cell,
+    public void afterCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, CellData cellData,
-                                Head head, int relativeRowIndex, boolean isHead) {
+        Cell cell, Head head, int relativeRowIndex, boolean isHead) {
         if (isHead) {
             return;
         }

src/main/java/com/alibaba/excel/write/metadata/WriteWorkbook.java

@@ -52,8 +52,10 @@ public class WriteWorkbook extends WriteBasicParameter {
     private Boolean mandatoryUseInputStream;
     /**
      * The default is all excel objects.Default is true.
-     * <li>if true , you can use {@link com.alibaba.excel.annotation.ExcelIgnore} ignore a field.
+     * <p>
-     * <li>if false , you must use {@link com.alibaba.excel.annotation.ExcelProperty} to use a filed.
+     * if true , you can use {@link com.alibaba.excel.annotation.ExcelIgnore} ignore a field.
+     * <p>
+     * if false , you must use {@link com.alibaba.excel.annotation.ExcelProperty} to use a filed.
      *
      * @deprecated Just to be compatible with historical data, The default is always going to be convert all filed.
      */

src/main/java/com/alibaba/excel/write/style/HorizontalCellStyleStrategy.java

@@ -25,7 +25,8 @@ public class HorizontalCellStyleStrategy extends AbstractCellStyleStrategy {
     private CellStyle headCellStyle;
     private List<CellStyle> contentCellStyleList;
 
-    public HorizontalCellStyleStrategy(WriteCellStyle headWriteCellStyle, List<WriteCellStyle> contentWriteCellStyleList) {
+    public HorizontalCellStyleStrategy(WriteCellStyle headWriteCellStyle,
+        List<WriteCellStyle> contentWriteCellStyleList) {
         this.headWriteCellStyle = headWriteCellStyle;
         this.contentWriteCellStyleList = contentWriteCellStyleList;
     }

src/main/java/com/alibaba/excel/write/style/column/AbstractHeadColumnWidthStyleStrategy.java

@@ -28,7 +28,8 @@ public abstract class AbstractHeadColumnWidthStyleStrategy extends AbstractColum
     /**
      * Returns the column width corresponding to each column head.
      *
-     * <li>if return null,ignore
+     * <p>
+     * if return null,ignore
      *
      * @param head
      *            Nullable

src/test/java/com/alibaba/easyexcel/test/core/exception/ExceptionDataTest.java

@@ -42,8 +42,7 @@ public class ExceptionDataTest {
 
     private void readAndWrite(File file) throws Exception {
         EasyExcel.write(new FileOutputStream(file), ExceptionData.class).sheet().doWrite(data());
-        EasyExcel.read(new FileInputStream(file), ExceptionData.class, new ExceptionDataListener()).sheet()
+        EasyExcel.read(new FileInputStream(file), ExceptionData.class, new ExceptionDataListener()).sheet().doRead();
-            .doRead();
     }
 
     private List<ExceptionData> data() {

src/test/java/com/alibaba/easyexcel/test/core/parameter/ParameterDataTest.java

@@ -47,8 +47,8 @@ public class ParameterDataTest {
 
     private void readAndWrite1() {
         EasyExcel.write(file.getPath()).head(ParameterData.class).sheet().doWrite(data());
-        EasyExcel.read(file.getPath()).head(ParameterData.class)
+        EasyExcel.read(file.getPath()).head(ParameterData.class).registerReadListener(new ParameterDataListener())
-            .registerReadListener(new ParameterDataListener()).sheet().doRead();
+            .sheet().doRead();
     }
 
     private void readAndWrite2() {
@@ -58,8 +58,8 @@ public class ParameterDataTest {
 
     private void readAndWrite3() throws Exception {
         EasyExcel.write(new FileOutputStream(file)).head(ParameterData.class).sheet().doWrite(data());
-        EasyExcel.read(file.getPath()).head(ParameterData.class)
+        EasyExcel.read(file.getPath()).head(ParameterData.class).registerReadListener(new ParameterDataListener())
-            .registerReadListener(new ParameterDataListener()).sheet().doRead();
+            .sheet().doRead();
     }
 
     private void readAndWrite4() throws Exception {
@@ -68,16 +68,15 @@ public class ParameterDataTest {
     }
 
     private void readAndWrite5() throws Exception {
-        ExcelWriter excelWriter = EasyExcel.write(new FileOutputStream(file)).head(ParameterData.class)
+        ExcelWriter excelWriter =
-            .relativeHeadRowIndex(0).build();
+            EasyExcel.write(new FileOutputStream(file)).head(ParameterData.class).relativeHeadRowIndex(0).build();
         WriteSheet writeSheet = EasyExcel.writerSheet(0).relativeHeadRowIndex(0).needHead(Boolean.FALSE).build();
         WriteTable writeTable = EasyExcel.writerTable(0).relativeHeadRowIndex(0).needHead(Boolean.TRUE).build();
         excelWriter.write(data(), writeSheet, writeTable);
         excelWriter.finish();
 
-        ExcelReader excelReader =
+        ExcelReader excelReader = EasyExcel.read(file.getPath(), new ParameterDataListener()).head(ParameterData.class)
-            EasyExcel.read(file.getPath(), new ParameterDataListener()).head(ParameterData.class)
+            .mandatoryUseInputStream(Boolean.FALSE).autoCloseStream(Boolean.TRUE).readCache(new MapCache()).build();
-                .mandatoryUseInputStream(Boolean.FALSE).autoCloseStream(Boolean.TRUE).readCache(new MapCache()).build();
         ReadSheet readSheet = EasyExcel.readSheet().head(ParameterData.class).use1904windowing(Boolean.FALSE)
             .headRowNumber(1).sheetNo(0).sheetName("0").build();
         excelReader.read(readSheet);
@@ -90,17 +89,16 @@ public class ParameterDataTest {
     }
 
     private void readAndWrite6() throws Exception {
-        ExcelWriter excelWriter = EasyExcel.write(new FileOutputStream(file)).head(ParameterData.class)
+        ExcelWriter excelWriter =
-            .relativeHeadRowIndex(0).build();
+            EasyExcel.write(new FileOutputStream(file)).head(ParameterData.class).relativeHeadRowIndex(0).build();
         WriteSheet writeSheet = EasyExcel.writerSheet(0).relativeHeadRowIndex(0).needHead(Boolean.FALSE).build();
         WriteTable writeTable = EasyExcel.writerTable(0).registerConverter(new StringStringConverter())
             .relativeHeadRowIndex(0).needHead(Boolean.TRUE).build();
         excelWriter.write(data(), writeSheet, writeTable);
         excelWriter.finish();
 
-        ExcelReader excelReader =
+        ExcelReader excelReader = EasyExcel.read(file.getPath(), new ParameterDataListener()).head(ParameterData.class)
-            EasyExcel.read(file.getPath(), new ParameterDataListener()).head(ParameterData.class)
+            .mandatoryUseInputStream(Boolean.FALSE).autoCloseStream(Boolean.TRUE).readCache(new MapCache()).build();
-                .mandatoryUseInputStream(Boolean.FALSE).autoCloseStream(Boolean.TRUE).readCache(new MapCache()).build();
         ReadSheet readSheet = EasyExcel.readSheet("0").head(ParameterData.class).use1904windowing(Boolean.FALSE)
             .headRowNumber(1).sheetNo(0).build();
         excelReader.read(readSheet);
@@ -116,9 +114,8 @@ public class ParameterDataTest {
         EasyExcel.write(file, ParameterData.class).registerConverter(new StringStringConverter()).sheet()
             .registerConverter(new StringStringConverter()).needHead(Boolean.FALSE).table(0).needHead(Boolean.TRUE)
             .doWrite(data());
-        EasyExcel.read(file.getPath()).head(ParameterData.class)
+        EasyExcel.read(file.getPath()).head(ParameterData.class).registerReadListener(new ParameterDataListener())
-            .registerReadListener(new ParameterDataListener()).sheet().registerConverter(new StringStringConverter())
+            .sheet().registerConverter(new StringStringConverter()).doRead();
-            .doRead();
     }
 
     private List<ParameterData> data() {

src/test/java/com/alibaba/easyexcel/test/core/repetition/RepetitionDataTest.java

@@ -51,8 +51,7 @@ public class RepetitionDataTest {
         ExcelWriter excelWriter = EasyExcel.write(file, RepetitionData.class).build();
         WriteSheet writeSheet = EasyExcel.writerSheet(0).build();
         excelWriter.write(data(), writeSheet).write(data(), writeSheet).finish();
-        ExcelReader excelReader =
+        ExcelReader excelReader = EasyExcel.read(file, RepetitionData.class, new RepetitionDataListener()).build();
-            EasyExcel.read(file, RepetitionData.class, new RepetitionDataListener()).build();
         ReadSheet readSheet = EasyExcel.readSheet(0).build();
         excelReader.read(readSheet).finish();
     }
@@ -72,8 +71,7 @@ public class RepetitionDataTest {
         WriteSheet writeSheet = EasyExcel.writerSheet(0).build();
         WriteTable writeTable = EasyExcel.writerTable(0).relativeHeadRowIndex(0).build();
         excelWriter.write(data(), writeSheet, writeTable).write(data(), writeSheet, writeTable).finish();
-        ExcelReader excelReader =
+        ExcelReader excelReader = EasyExcel.read(file, RepetitionData.class, new RepetitionDataListener()).build();
-            EasyExcel.read(file, RepetitionData.class, new RepetitionDataListener()).build();
         ReadSheet readSheet = EasyExcel.readSheet(0).headRowNumber(2).build();
         excelReader.read(readSheet).finish();
     }

src/test/java/com/alibaba/easyexcel/test/demo/read/ReadTest.java

@@ -30,9 +30,12 @@ public class ReadTest {
 
     /**
      * 最简单的读
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * 1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>3. 直接读即可
+     * <p>
+     * 2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * <p>
+     * 3. 直接读即可
      */
     @Test
     public void simpleRead() {
@@ -53,9 +56,12 @@ public class ReadTest {
     /**
      * 指定列的下标或者列名
      *
-     * <li>1. 创建excel对应的实体对象,并使用{@link ExcelProperty}注解. 参照{@link IndexOrNameData}
+     * <p>
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link IndexOrNameDataListener}
+     * 1. 创建excel对应的实体对象,并使用{@link ExcelProperty}注解. 参照{@link IndexOrNameData}
-     * <li>3. 直接读即可
+     * <p>
+     * 2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link IndexOrNameDataListener}
+     * <p>
+     * 3. 直接读即可
      */
     @Test
     public void indexOrNameRead() {
@@ -66,9 +72,12 @@ public class ReadTest {
 
     /**
      * 读多个sheet,这里注意一个sheet不能读取多次，多次读取需要重新读取文件
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * 1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>3. 直接读即可
+     * <p>
+     * 2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * <p>
+     * 3. 直接读即可
      */
     @Test
     public void repeatedRead() {
@@ -86,9 +95,12 @@ public class ReadTest {
      * 日期、数字或者自定义格式转换
      * <p>
      * 默认读的转换器{@link DefaultConverterLoader#loadDefaultReadConverter()}
-     * <li>1. 创建excel对应的实体对象 参照{@link ConverterData}.里面可以使用注解{@link DateTimeFormat}、{@link NumberFormat}或者自定义注解
+     * <p>
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link ConverterDataListener}
+     * 1. 创建excel对应的实体对象 参照{@link ConverterData}.里面可以使用注解{@link DateTimeFormat}、{@link NumberFormat}或者自定义注解
-     * <li>3. 直接读即可
+     * <p>
+     * 2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link ConverterDataListener}
+     * <p>
+     * 3. 直接读即可
      */
     @Test
     public void converterRead() {
@@ -105,9 +117,12 @@ public class ReadTest {
     /**
      * 多行头
      *
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * 1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>3. 设置headRowNumber参数，然后读。 这里要注意headRowNumber如果不指定， 会根据你传入的class的{@link ExcelProperty#value()}里面的表头的数量来决定行数，
+     * <p>
+     * 2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link DemoDataListener}
+     * <p>
+     * 3. 设置headRowNumber参数，然后读。 这里要注意headRowNumber如果不指定， 会根据你传入的class的{@link ExcelProperty#value()}里面的表头的数量来决定行数，
      * 如果不传入class则默认为1.当然你指定了headRowNumber不管是否传入class都是以你传入的为准。
      */
     @Test

src/test/java/com/alibaba/easyexcel/test/demo/web/WebTest.java

@@ -24,9 +24,12 @@ import com.alibaba.excel.EasyExcel;
 public class WebTest {
     /**
      * 文件下载
-     * <li>1. 创建excel对应的实体对象 参照{@link DownloadData}
+     * <p>
-     * <li>2. 设置返回的 参数
+     * 1. 创建excel对应的实体对象 参照{@link DownloadData}
-     * <li>3. 直接写，这里注意，finish的时候会自动关闭OutputStream,当然你外面再关闭流问题不大
+     * <p>
+     * 2. 设置返回的 参数
+     * <p>
+     * 3. 直接写，这里注意，finish的时候会自动关闭OutputStream,当然你外面再关闭流问题不大
      */
     @GetMapping("download")
     public void download(HttpServletResponse response) throws IOException {
@@ -38,9 +41,12 @@ public class WebTest {
 
     /**
      * 文件上传
-     * <li>1. 创建excel对应的实体对象 参照{@link UploadData}
+     * <p>
-     * <li>2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link UploadDataListener}
+     * 1. 创建excel对应的实体对象 参照{@link UploadData}
-     * <li>3. 直接读即可
+     * <p>
+     * 2. 由于默认异步读取excel，所以需要创建excel一行一行的回调监听器，参照{@link UploadDataListener}
+     * <p>
+     * 3. 直接读即可
      */
     @PostMapping("upload")
     @ResponseBody

src/test/java/com/alibaba/easyexcel/test/demo/write/WriteTest.java

@@ -39,8 +39,10 @@ import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy
 public class WriteTest {
     /**
      * 最简单的写
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
-     * <li>2. 直接写即可
+     * 1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
+     * 2. 直接写即可
      */
     @Test
     public void simpleWrite() {
@@ -62,9 +64,12 @@ public class WriteTest {
 
     /**
      * 指定写入的列
-     * <li>1. 创建excel对应的实体对象 参照{@link IndexData}
+     * <p>
-     * <li>2. 使用{@link ExcelProperty}注解指定写入的列
+     * 1. 创建excel对应的实体对象 参照{@link IndexData}
-     * <li>3. 直接写即可
+     * <p>
+     * 2. 使用{@link ExcelProperty}注解指定写入的列
+     * <p>
+     * 3. 直接写即可
      */
     @Test
     public void indexWrite() {
@@ -75,9 +80,12 @@ public class WriteTest {
 
     /**
      * 复杂头写入
-     * <li>1. 创建excel对应的实体对象 参照{@link ComplexHeadData}
+     * <p>
-     * <li>2. 使用{@link ExcelProperty}注解指定复杂的头
+     * 1. 创建excel对应的实体对象 参照{@link ComplexHeadData}
-     * <li>3. 直接写即可
+     * <p>
+     * 2. 使用{@link ExcelProperty}注解指定复杂的头
+     * <p>
+     * 3. 直接写即可
      */
     @Test
     public void complexHeadWrite() {
@@ -88,9 +96,12 @@ public class WriteTest {
 
     /**
      * 重复多次写入
-     * <li>1. 创建excel对应的实体对象 参照{@link ComplexHeadData}
+     * <p>
-     * <li>2. 使用{@link ExcelProperty}注解指定复杂的头
+     * 1. 创建excel对应的实体对象 参照{@link ComplexHeadData}
-     * <li>3. 直接调用二次写入即可
+     * <p>
+     * 2. 使用{@link ExcelProperty}注解指定复杂的头
+     * <p>
+     * 3. 直接调用二次写入即可
      */
     @Test
     public void repeatedWrite() {
@@ -108,9 +119,12 @@ public class WriteTest {
 
     /**
      * 日期、数字或者自定义格式转换
-     * <li>1. 创建excel对应的实体对象 参照{@link ConverterData}
+     * <p>
-     * <li>2. 使用{@link ExcelProperty}配合使用注解{@link DateTimeFormat}、{@link NumberFormat}或者自定义注解
+     * 1. 创建excel对应的实体对象 参照{@link ConverterData}
-     * <li>3. 直接写即可
+     * <p>
+     * 2. 使用{@link ExcelProperty}配合使用注解{@link DateTimeFormat}、{@link NumberFormat}或者自定义注解
+     * <p>
+     * 3. 直接写即可
      */
     @Test
     public void converterWrite() {
@@ -121,8 +135,10 @@ public class WriteTest {
 
     /**
      * 图片导出
-     * <li>1. 创建excel对应的实体对象 参照{@link ImageData}
+     * <p>
-     * <li>2. 直接写即可
+     * 1. 创建excel对应的实体对象 参照{@link ImageData}
+     * <p>
+     * 2. 直接写即可
      */
     @Test
     public void imageWrite() throws Exception {
@@ -150,10 +166,14 @@ public class WriteTest {
 
     /**
      * 根据模板写入
-     * <li>1. 创建excel对应的实体对象 参照{@link IndexData}
+     * <p>
-     * <li>2. 使用{@link ExcelProperty}注解指定写入的列
+     * 1. 创建excel对应的实体对象 参照{@link IndexData}
-     * <li>3. 使用withTemplate 读取模板
+     * <p>
-     * <li>4. 直接写即可
+     * 2. 使用{@link ExcelProperty}注解指定写入的列
+     * <p>
+     * 3. 使用withTemplate 读取模板
+     * <p>
+     * 4. 直接写即可
      */
     @Test
     public void templateWrite() {
@@ -165,9 +185,12 @@ public class WriteTest {
 
     /**
      * 列宽、行高
-     * <li>1. 创建excel对应的实体对象 参照{@link WidthAndHeightData}
+     * <p>
-     * <li>2. 使用注解{@link ColumnWidth}、{@link HeadRowHeight}、{@link ContentRowHeight}指定宽度或高度
+     * 1. 创建excel对应的实体对象 参照{@link WidthAndHeightData}
-     * <li>3. 直接写即可
+     * <p>
+     * 2. 使用注解{@link ColumnWidth}、{@link HeadRowHeight}、{@link ContentRowHeight}指定宽度或高度
+     * <p>
+     * 3. 直接写即可
      */
     @Test
     public void widthAndHeightWrite() {
@@ -178,9 +201,12 @@ public class WriteTest {
 
     /**
      * 自定义样式
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
-     * <li>2. 创建一个style策略 并注册
+     * 1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>3. 直接写即可
+     * <p>
+     * 2. 创建一个style策略 并注册
+     * <p>
+     * 3. 直接写即可
      */
     @Test
     public void styleWrite() {
@@ -213,9 +239,12 @@ public class WriteTest {
 
     /**
      * 合并单元格
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
-     * <li>2. 创建一个merge策略 并注册
+     * 1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>3. 直接写即可
+     * <p>
+     * 2. 创建一个merge策略 并注册
+     * <p>
+     * 3. 直接写即可
      */
     @Test
     public void mergeWrite() {
@@ -228,8 +257,10 @@ public class WriteTest {
 
     /**
      * 使用table去写入
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
-     * <li>2. 然后写入table即可
+     * 1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
+     * 2. 然后写入table即可
      */
     @Test
     public void tableWrite() {
@@ -255,8 +286,10 @@ public class WriteTest {
      * <p>
      * 思路是这样子的，先创建List<String>头格式的sheet仅仅写入头,然后通过table 不写入头的方式 去写入数据
      *
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
-     * <li>2. 然后写入table即可
+     * 1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
+     * 2. 然后写入table即可
      */
     @Test
     public void dynamicHeadWrite() {
@@ -277,9 +310,12 @@ public class WriteTest {
      * <p>
      * poi 自带{@link SXSSFSheet#autoSizeColumn(int)} 对中文支持也不太好。目前没找到很好的算法。 有的话可以推荐下。
      *
-     * <li>1. 创建excel对应的实体对象 参照{@link DemoData}
+     * <p>
-     * <li>3. 注册策略{@link LongestMatchColumnWidthStyleStrategy}
+     * 1. 创建excel对应的实体对象 参照{@link DemoData}
-     * <li>2. 直接写即可
+     * <p>
+     * 3. 注册策略{@link LongestMatchColumnWidthStyleStrategy}
+     * <p>
+     * 2. 直接写即可
      */
     @Test
     public void longestMatchColumnWidthWrite() {