Merge pull request #815 from alibaba/2.1.x

2.1.x

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba</groupId>
     <artifactId>easyexcel</artifactId>
-    <version>2.1.1</version>
+    <version>2.1.2</version>
     <packaging>jar</packaging>
     <name>easyexcel</name>
 

src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java

@@ -25,10 +25,13 @@ public class ExcelBuilderImpl implements ExcelBuilder {
     private ExcelWriteFillExecutor excelWriteFillExecutor;
     private ExcelWriteAddExecutor excelWriteAddExecutor;
 
+    static {
+        // Create temporary cache directory at initialization time to avoid POI concurrent write bugs
+        FileUtils.createPoiFilesDirectory();
+    }
+
     public ExcelBuilderImpl(WriteWorkbook writeWorkbook) {
         try {
-            // Create temporary cache directory at initialization time to avoid POI concurrent write bugs
-            FileUtils.createPoiFilesDirectory();
             context = new WriteContextImpl(writeWorkbook);
         } catch (RuntimeException e) {
             finishOnException();

src/main/java/com/alibaba/excel/write/executor/ExcelWriteFillExecutor.java

@@ -127,6 +127,9 @@ public class ExcelWriteFillExecutor extends AbstractExcelWriteExecutor {
         if (collectionLastIndexMap == null) {
             number--;
         }
+        if (number <= 0) {
+            return;
+        }
         sheet.shiftRows(maxRowIndex + 1, lastRowIndex, number, true, false);
         for (AnalysisCell analysisCell : templateAnalysisCache.get(writeContext.writeSheetHolder().getSheetNo())) {
             if (analysisCell.getRowIndex() > maxRowIndex) {

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

@@ -73,6 +73,8 @@ public class WriteTest {
      * 2. 根据自己或者排除自己需要的列
      * <p>
      * 3. 直接写即可
+     *
+     * @since 2.1.1
      */
     @Test
     public void excludeOrIncludeWrite() {

src/test/java/com/alibaba/easyexcel/test/temp/FillTempTest.java

 package com.alibaba.easyexcel.test.temp;
 
-import java.io.File;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -10,12 +9,12 @@ import org.junit.Ignore;
 import org.junit.Test;
 
 import com.alibaba.easyexcel.test.demo.fill.FillData;
+import com.alibaba.easyexcel.test.temp.fill.FillData2;
 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 com.alibaba.excel.write.metadata.fill.FillConfig;
-import com.alibaba.excel.write.style.row.SimpleRowHeightStyleStrategy;
 
 /**
  * 写的填充写法
@@ -46,7 +45,7 @@ public class FillTempTest {
         // 如果数据量大 list不是最后一行 参照下一个
         FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
         excelWriter.fill(data(), fillConfig, writeSheet);
-        excelWriter.fill(data(), fillConfig, writeSheet);
+//        excelWriter.fill(data2(), fillConfig, writeSheet);
         Map<String, Object> map = new HashMap<String, Object>();
         map.put("date", "2019年10月9日13:28:28");
         map.put("total", 1000);
@@ -73,7 +72,7 @@ public class FillTempTest {
         WriteSheet writeSheet = EasyExcel.writerSheet().build();
         // 直接写入数据
         excelWriter.fill(data(), writeSheet);
-        excelWriter.fill(data(), writeSheet);
+        excelWriter.fill(data2(), writeSheet);
 
         // 写入list之前的数据
         Map<String, Object> map = new HashMap<String, Object>();
@@ -97,6 +96,16 @@ public class FillTempTest {
         // 新建一个 然后一点点复制过来的方案，最后导致list需要新增行的时候，后面的列的数据没法后移，后续会继续想想解决方案
     }
 
+    private List<FillData2> data2() {
+        List<FillData2> list = new ArrayList<FillData2>();
+        for (int i = 0; i < 10; i++) {
+            FillData2 fillData = new FillData2();
+            list.add(fillData);
+            fillData.setTest("ttttttt" + i);
+        }
+        return list;
+    }
+
     private List<FillData> data() {
         List<FillData> list = new ArrayList<FillData>();
         for (int i = 0; i < 10; i++) {

src/test/java/com/alibaba/easyexcel/test/temp/fill/FillData2.java

+package com.alibaba.easyexcel.test.temp.fill;
+
+import lombok.Data;
+
+/**
+ * @author Jiaju Zhuang
+ */
+@Data
+public class FillData2 {
+    private String test;
+}

src/test/java/com/alibaba/easyexcel/test/temp/read/HeadReadTest.java

@@ -8,6 +8,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.cache.Ehcache;
 
 /**
  * 临时测试
@@ -25,4 +26,15 @@ public class HeadReadTest {
 
     }
 
+    @Test
+    public void testCache() throws Exception {
+        File file = new File("D:\\test\\headt1.xls");
+        EasyExcel.read(file, HeadReadData.class, new HDListener()).readCache(new Ehcache(20)).sheet(0).doRead();
+
+        LOGGER.info("------------------");
+        EasyExcel.read(file, HeadReadData.class, new HDListener()).readCache(new Ehcache(20)).sheet(0).doRead();
+        LOGGER.info("------------------");
+        EasyExcel.read(file, HeadReadData.class, new HDListener()).readCache(new Ehcache(20)).sheet(0).doRead();
+    }
+
 }

update.md

+# 2.1.2
+* 修复强制创建新行填充，只有一行数据会未填充的bug
+
 # 2.1.1
 * 发布正式版
 * 修改map返回为LinkedHashMap
@@ -61,7 +64,7 @@
 * 修复监听器转换异常会重复提示的bug
 
 # 2.0.1
-* 降级poi为3.1.7 兼容jdk6
+* 降级poi为3.17 兼容jdk6
 
 # 2.0.0
 * 修复当cell为空可能会抛出空指针的bug