mirror of https://github.com/alibaba/easyexcel
zhuangjiaju
5 years ago
26 changed files with 863 additions and 411 deletions
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package com.alibaba.easyexcel.test.demo.poi; |
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import java.io.File; |
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import java.io.IOException; |
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import org.apache.poi.xssf.streaming.SXSSFRow; |
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import org.apache.poi.xssf.streaming.SXSSFSheet; |
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import org.apache.poi.xssf.streaming.SXSSFWorkbook; |
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import org.apache.poi.xssf.usermodel.XSSFRow; |
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import org.apache.poi.xssf.usermodel.XSSFSheet; |
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import org.apache.poi.xssf.usermodel.XSSFWorkbook; |
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import org.junit.Ignore; |
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import org.junit.Test; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import com.alibaba.easyexcel.test.util.TestFileUtil; |
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/** |
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* 测试poi |
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* |
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* @author Jiaju Zhuang |
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**/ |
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@Ignore |
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public class PoiTest { |
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private static final Logger LOGGER = LoggerFactory.getLogger(PoiTest.class); |
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@Test |
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public void lastRowNum() throws IOException { |
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String file = TestFileUtil.getPath() + "demo" + File.separator + "demo.xlsx"; |
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SXSSFWorkbook xssfWorkbook = new SXSSFWorkbook(new XSSFWorkbook(file)); |
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SXSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0); |
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LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum()); |
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SXSSFRow row = xssfSheet.getRow(0); |
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LOGGER.info("第一行数据:{}", row); |
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xssfSheet.createRow(20); |
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LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum()); |
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} |
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@Test |
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public void lastRowNumXSSF() throws IOException { |
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String file = TestFileUtil.getPath() + "demo" + File.separator + "demo.xlsx"; |
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XSSFWorkbook xssfWorkbook = new XSSFWorkbook(file); |
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LOGGER.info("一共:{}个sheet", xssfWorkbook.getNumberOfSheets()); |
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XSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0); |
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LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum()); |
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XSSFRow row = xssfSheet.getRow(0); |
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LOGGER.info("第一行数据:{}", row); |
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xssfSheet.createRow(20); |
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LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum()); |
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} |
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} |
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package com.alibaba.easyexcel.test.demo.write; |
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import java.util.Date; |
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import com.alibaba.excel.annotation.ExcelProperty; |
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import lombok.Data; |
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/** |
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* 复杂头数据.这里最终效果是第一行就一个主标题，第二行分类 |
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* |
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* @author Jiaju Zhuang |
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**/ |
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@Data |
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public class ComplexHeadData { |
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@ExcelProperty({"主标题", "字符串标题"}) |
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private String string; |
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@ExcelProperty({"主标题", "日期标题"}) |
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private Date date; |
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@ExcelProperty({"主标题", "数字标题"}) |
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private Double doubleData; |
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} |
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package com.alibaba.easyexcel.test.demo.write; |
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import java.util.Date; |
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import com.alibaba.excel.annotation.ExcelProperty; |
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import com.alibaba.excel.annotation.format.DateTimeFormat; |
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import com.alibaba.excel.annotation.format.NumberFormat; |
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import lombok.Data; |
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/** |
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* 基础数据类.这里的排序和excel里面的排序一致 |
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* |
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* @author Jiaju Zhuang |
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**/ |
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@Data |
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public class ConverterData { |
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/** |
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* 我想所有的 字符串起前面加上"自定义："三个字 |
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*/ |
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@ExcelProperty(value = "字符串标题", converter = CustomStringStringConverter.class) |
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private String string; |
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/** |
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* 我想写到excel 用年月日的格式 |
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*/ |
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@DateTimeFormat("yyyy年MM月dd日HH时mm分ss秒") |
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@ExcelProperty("日期标题") |
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private Date date; |
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/** |
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* 我想写到excel 用百分比表示 |
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*/ |
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@NumberFormat("#.##%") |
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@ExcelProperty(value = "数字标题") |
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private Double doubleData; |
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} |
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package com.alibaba.easyexcel.test.demo.write; |
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import com.alibaba.excel.converters.Converter; |
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import com.alibaba.excel.enums.CellDataTypeEnum; |
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import com.alibaba.excel.metadata.CellData; |
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import com.alibaba.excel.metadata.GlobalConfiguration; |
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import com.alibaba.excel.metadata.property.ExcelContentProperty; |
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/** |
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* String and string converter |
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* |
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* @author Jiaju Zhuang |
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*/ |
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public class CustomStringStringConverter implements Converter<String> { |
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@Override |
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public Class supportJavaTypeKey() { |
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return String.class; |
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} |
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@Override |
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public CellDataTypeEnum supportExcelTypeKey() { |
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return CellDataTypeEnum.STRING; |
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} |
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/** |
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* 这里是读的时候会调用 不用管 |
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* |
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* @param cellData |
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* NotNull |
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* @param contentProperty |
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* Nullable |
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* @param globalConfiguration |
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* NotNull |
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* @return |
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*/ |
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@Override |
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public String convertToJavaData(CellData cellData, ExcelContentProperty contentProperty, |
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GlobalConfiguration globalConfiguration) { |
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return cellData.getStringValue(); |
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} |
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/** |
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* 这里是写的时候会调用 不用管 |
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* |
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* @param value |
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* NotNull |
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* @param contentProperty |
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* Nullable |
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* @param globalConfiguration |
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* NotNull |
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* @return |
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*/ |
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@Override |
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public CellData convertToExcelData(String value, ExcelContentProperty contentProperty, |
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GlobalConfiguration globalConfiguration) { |
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return new CellData("自定义：" + value); |
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} |
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} |
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package com.alibaba.easyexcel.test.demo.write; |
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import java.util.Date; |
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import com.alibaba.excel.annotation.ExcelProperty; |
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import lombok.Data; |
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/** |
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* 基础数据类 |
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* |
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* @author Jiaju Zhuang |
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**/ |
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@Data |
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public class IndexData { |
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@ExcelProperty(value = "字符串标题", index = 0) |
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private String string; |
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@ExcelProperty(value = "日期标题", index = 1) |
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private Date date; |
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/** |
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* 这里设置3 会导致第二列空的 |
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*/ |
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@ExcelProperty(value = "数字标题", index = 3) |
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private Double doubleData; |
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} |
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package com.alibaba.easyexcel.test.demo.write; |
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import java.util.Date; |
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import com.alibaba.excel.annotation.ExcelProperty; |
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import com.alibaba.excel.annotation.write.style.ColumnWidth; |
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import com.alibaba.excel.annotation.write.style.ContentRowHeight; |
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import com.alibaba.excel.annotation.write.style.HeadRowHeight; |
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import lombok.Data; |
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/** |
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* 基础数据类 |
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* |
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* @author Jiaju Zhuang |
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**/ |
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@Data |
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@ContentRowHeight(10) |
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@HeadRowHeight(20) |
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@ColumnWidth(25) |
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public class WidthAndHeightData { |
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@ExcelProperty("字符串标题") |
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private String string; |
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@ExcelProperty("日期标题") |
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private Date date; |
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/** |
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* 宽度为50 |
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*/ |
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@ColumnWidth(50) |
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@ExcelProperty("数字标题") |
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private Double doubleData; |
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} |
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