修改csv不需要样式handler

src/main/java/com/alibaba/excel/write/handler/DefaultWriteHandlerLoader.java

@@ -3,6 +3,7 @@ package com.alibaba.excel.write.handler;
 import java.util.ArrayList;
 import java.util.List;
 
+import com.alibaba.excel.support.ExcelTypeEnum;
 import com.alibaba.excel.write.handler.impl.DefaultRowWriteHandler;
 import com.alibaba.excel.write.handler.impl.DimensionWorkbookWriteHandler;
 import com.alibaba.excel.write.handler.impl.FillStyleCellWriteHandler;
@@ -28,12 +29,30 @@ public class DefaultWriteHandlerLoader {
      *
      * @return
      */
-    public static List<WriteHandler> loadDefaultHandler(Boolean useDefaultStyle) {
+    public static List<WriteHandler> loadDefaultHandler(Boolean useDefaultStyle, ExcelTypeEnum excelType) {
         List<WriteHandler> handlerList = new ArrayList<>();
-        if (useDefaultStyle) {
+        switch (excelType) {
-            handlerList.add(new DefaultStyle());
+            case XLSX:
+                handlerList.add(new DimensionWorkbookWriteHandler());
+                handlerList.add(new DefaultRowWriteHandler());
+                handlerList.add(new FillStyleCellWriteHandler());
+                if (useDefaultStyle) {
+                    handlerList.add(new DefaultStyle());
+                }
+                break;
+            case XLS:
+                handlerList.add(new DefaultRowWriteHandler());
+                handlerList.add(new FillStyleCellWriteHandler());
+                if (useDefaultStyle) {
+                    handlerList.add(new DefaultStyle());
+                }
+                break;
+            case CSV:
+                handlerList.add(new DefaultRowWriteHandler());
+                break;
+            default:
+                break;
         }
-        handlerList.addAll(DEFAULT_WRITE_HANDLER_LIST);
         return handlerList;
     }
 

src/main/java/com/alibaba/excel/write/metadata/holder/AbstractWriteHolder.java

@@ -203,6 +203,21 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
         // Initialization property
         this.excelWriteHeadProperty = new ExcelWriteHeadProperty(this, getClazz(), getHead());
 
+        // Set converterMap
+        if (parentAbstractWriteHolder == null) {
+            setConverterMap(DefaultConverterLoader.loadDefaultWriteConverter());
+        } else {
+            setConverterMap(new HashMap<>(parentAbstractWriteHolder.getConverterMap()));
+        }
+        if (writeBasicParameter.getCustomConverterList() != null
+            && !writeBasicParameter.getCustomConverterList().isEmpty()) {
+            for (Converter<?> converter : writeBasicParameter.getCustomConverterList()) {
+                getConverterMap().put(ConverterKeyBuild.buildKey(converter.supportJavaTypeKey()), converter);
+            }
+        }
+    }
+
+    protected void initHandler(WriteBasicParameter writeBasicParameter, AbstractWriteHolder parentAbstractWriteHolder) {
         // Set writeHandlerMap
         List<WriteHandler> handlerList = new ArrayList<>();
 
@@ -220,22 +235,12 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
                 handlerList.addAll(parentAbstractWriteHolder.getWriteHandlerList());
             }
         } else {
-            handlerList.addAll(DefaultWriteHandlerLoader.loadDefaultHandler(useDefaultStyle));
+            if (this instanceof WriteWorkbookHolder) {
-        }
+                handlerList.addAll(DefaultWriteHandlerLoader.loadDefaultHandler(useDefaultStyle,
-        sortAndClearUpHandler(handlerList, false);
+                    ((WriteWorkbookHolder)this).getExcelType()));
-
-        // Set converterMap
-        if (parentAbstractWriteHolder == null) {
-            setConverterMap(DefaultConverterLoader.loadDefaultWriteConverter());
-        } else {
-            setConverterMap(new HashMap<>(parentAbstractWriteHolder.getConverterMap()));
-        }
-        if (writeBasicParameter.getCustomConverterList() != null
-            && !writeBasicParameter.getCustomConverterList().isEmpty()) {
-            for (Converter<?> converter : writeBasicParameter.getCustomConverterList()) {
-                getConverterMap().put(ConverterKeyBuild.buildKey(converter.supportJavaTypeKey()), converter);
             }
         }
+        sortAndClearUpHandler(handlerList, false);
     }
 
     protected void initAnnotationConfig(List<WriteHandler> handlerList, WriteBasicParameter writeBasicParameter) {

src/main/java/com/alibaba/excel/write/metadata/holder/WriteSheetHolder.java

@@ -80,6 +80,10 @@ public class WriteSheetHolder extends AbstractWriteHolder {
 
     public WriteSheetHolder(WriteSheet writeSheet, WriteWorkbookHolder writeWorkbookHolder) {
         super(writeSheet, writeWorkbookHolder);
+
+        // init handler
+        initHandler(writeSheet, writeWorkbookHolder);
+
         this.writeSheet = writeSheet;
         if (writeSheet.getSheetNo() == null && StringUtils.isEmpty(writeSheet.getSheetName())) {
             this.sheetNo = 0;

src/main/java/com/alibaba/excel/write/metadata/holder/WriteTableHolder.java

@@ -34,6 +34,9 @@ public class WriteTableHolder extends AbstractWriteHolder {
         this.parentWriteSheetHolder = writeSheetHolder;
         this.tableNo = writeTable.getTableNo();
         this.writeTable = writeTable;
+
+        // init handler
+        initHandler(writeTable, writeSheetHolder);
     }
 
     @Override

src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java

@@ -199,6 +199,10 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
         } else {
             this.excelType = writeWorkbook.getExcelType();
         }
+
+        // init handler
+        initHandler(writeWorkbook, null);
+
         try {
             copyTemplate();
         } catch (IOException e) {

src/test/java/com/alibaba/easyexcel/test/temp/large/LargeData.java

@@ -1,8 +1,8 @@
 package com.alibaba.easyexcel.test.temp.large;
 
-import lombok.Builder;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import lombok.Setter;
 
 /**
@@ -11,7 +11,7 @@ import lombok.Setter;
 @Getter
 @Setter
 @EqualsAndHashCode
-@Builder
+@NoArgsConstructor
 public class LargeData {
 
     private String str1;

src/test/java/com/alibaba/easyexcel/test/temp/large/TempLargeDataTest.java

@@ -2,13 +2,25 @@ package com.alibaba.easyexcel.test.temp.large;
 
 import java.io.File;
 import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.IntStream;
 
 import com.alibaba.easyexcel.test.core.large.LargeDataTest;
 import com.alibaba.easyexcel.test.util.TestFileUtil;
 import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.ExcelWriter;
+import com.alibaba.excel.write.metadata.WriteSheet;
 
 import org.apache.poi.openxml4j.util.ZipSecureFile;
+import org.apache.poi.xssf.streaming.SXSSFCell;
+import org.apache.poi.xssf.streaming.SXSSFRow;
+import org.apache.poi.xssf.streaming.SXSSFSheet;
+import org.apache.poi.xssf.streaming.SXSSFWorkbook;
+import org.junit.Assert;
+import org.junit.BeforeClass;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.slf4j.Logger;
@@ -21,6 +33,24 @@ import org.slf4j.LoggerFactory;
 public class TempLargeDataTest {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(LargeDataTest.class);
+    private int i = 0;
+
+    private static File fileFill07;
+    private static File template07;
+    private static File fileCsv;
+    private static File fileWrite07;
+    private static File fileWriteTemp07;
+    private static File fileWritePoi07;
+
+    @BeforeClass
+    public static void init() {
+        fileFill07 = TestFileUtil.createNewFile("largefill07.xlsx");
+        fileWrite07 = TestFileUtil.createNewFile("large" + File.separator + "fileWrite07.xlsx");
+        fileWriteTemp07 = TestFileUtil.createNewFile("large" + File.separator + "fileWriteTemp07.xlsx");
+        fileWritePoi07 = TestFileUtil.createNewFile("large" + File.separator + "fileWritePoi07.xlsx");
+        template07 = TestFileUtil.readFile("large" + File.separator + "fill.xlsx");
+        fileCsv = TestFileUtil.createNewFile("largefileCsv.csv");
+    }
 
     @Test
     public void read() throws Exception {
@@ -47,9 +77,103 @@ public class TempLargeDataTest {
 
         long start = System.currentTimeMillis();
         EasyExcel.read(
-            new File("/Users/zhuangjiaju/IdeaProjects/easyexcel/target/test-classes/large1617887262709.xlsx"),
+                new File("/Users/zhuangjiaju/IdeaProjects/easyexcel/target/test-classes/large1617887262709.xlsx"),
-            new NoModelLargeDataListener())
+                new NoModelLargeDataListener())
             .sheet().doRead();
         LOGGER.info("Large data total time spent:{}", System.currentTimeMillis() - start);
     }
+
+    @Test
+    public void t04Write() throws Exception {
+        ExcelWriter excelWriter = EasyExcel.write(fileWriteTemp07,
+            com.alibaba.easyexcel.test.core.large.LargeData.class).build();
+        WriteSheet writeSheet = EasyExcel.writerSheet().build();
+        for (int j = 0; j < 2; j++) {
+            excelWriter.write(data(), writeSheet);
+        }
+        excelWriter.finish();
+
+        long start = System.currentTimeMillis();
+        excelWriter = EasyExcel.write(fileWrite07, com.alibaba.easyexcel.test.core.large.LargeData.class).build();
+        writeSheet = EasyExcel.writerSheet().build();
+        for (int j = 0; j < 5000; j++) {
+            excelWriter.write(data(), writeSheet);
+            LOGGER.info("{} write success.", j);
+        }
+        excelWriter.finish();
+        long cost = System.currentTimeMillis() - start;
+        LOGGER.info("write cost:{}", cost);
+        start = System.currentTimeMillis();
+        try (FileOutputStream fileOutputStream = new FileOutputStream(fileWritePoi07)) {
+            SXSSFWorkbook workbook = new SXSSFWorkbook();
+            SXSSFSheet sheet = workbook.createSheet("sheet1");
+            for (int i = 0; i < 100 * 5000; i++) {
+                SXSSFRow row = sheet.createRow(i);
+                for (int j = 0; j < 25; j++) {
+                    SXSSFCell cell = row.createCell(j);
+                    cell.setCellValue("str-" + j + "-" + i);
+                }
+                if (i % 5000 == 0) {
+                    LOGGER.info("{} write success.", i);
+                }
+            }
+            workbook.write(fileOutputStream);
+            workbook.dispose();
+            workbook.close();
+        }
+        long costPoi = System.currentTimeMillis() - start;
+        LOGGER.info("poi write cost:{}", System.currentTimeMillis() - start);
+        LOGGER.info("{} vs {}", cost, costPoi);
+        Assert.assertTrue(costPoi * 2 > cost);
+    }
+
+    @Test
+    public void t04WriteExcel() throws Exception {
+        IntStream.rangeClosed(0, 100).forEach(index -> {
+            ExcelWriter excelWriter = EasyExcel.write(fileWriteTemp07,
+                com.alibaba.easyexcel.test.core.large.LargeData.class).build();
+            WriteSheet writeSheet = EasyExcel.writerSheet().build();
+            for (int j = 0; j < 2; j++) {
+                excelWriter.write(data(), writeSheet);
+            }
+            excelWriter.finish();
+            LOGGER.info("{} 完成", index);
+        });
+    }
+
+    private List<LargeData> data() {
+        List<LargeData> list = new ArrayList<>();
+
+        int size = i + 100;
+        for (; i < size; i++) {
+            LargeData largeData = new LargeData();
+            list.add(largeData);
+            largeData.setStr1("str1-" + i);
+            largeData.setStr2("str2-" + i);
+            largeData.setStr3("str3-" + i);
+            largeData.setStr4("str4-" + i);
+            largeData.setStr5("str5-" + i);
+            largeData.setStr6("str6-" + i);
+            largeData.setStr7("str7-" + i);
+            largeData.setStr8("str8-" + i);
+            largeData.setStr9("str9-" + i);
+            largeData.setStr10("str10-" + i);
+            largeData.setStr11("str11-" + i);
+            largeData.setStr12("str12-" + i);
+            largeData.setStr13("str13-" + i);
+            largeData.setStr14("str14-" + i);
+            largeData.setStr15("str15-" + i);
+            largeData.setStr16("str16-" + i);
+            largeData.setStr17("str17-" + i);
+            largeData.setStr18("str18-" + i);
+            largeData.setStr19("str19-" + i);
+            largeData.setStr20("str20-" + i);
+            largeData.setStr21("str21-" + i);
+            largeData.setStr22("str22-" + i);
+            largeData.setStr23("str23-" + i);
+            largeData.setStr24("str24-" + i);
+            largeData.setStr25("str25-" + i);
+        }
+        return list;
+    }
 }