新增写入`class`和`list`同时传入 `field`数量不一致报错 #1333

src/main/java/com/alibaba/excel/write/property/ExcelWriteHeadProperty.java

@@ -39,6 +39,7 @@ import com.alibaba.excel.metadata.property.StyleProperty;
  * @author jipengfei
  */
 public class ExcelWriteHeadProperty extends ExcelHeadProperty {
+
     private RowHeightProperty headRowHeightProperty;
     private RowHeightProperty contentRowHeightProperty;
     private OnceAbsoluteMergeProperty onceAbsoluteMergeProperty;
@@ -64,6 +65,9 @@ public class ExcelWriteHeadProperty extends ExcelHeadProperty {
         for (Map.Entry<Integer, ExcelContentProperty> entry : getContentPropertyMap().entrySet()) {
             Integer index = entry.getKey();
             ExcelContentProperty excelContentPropertyData = entry.getValue();
+            if (excelContentPropertyData == null) {
+                throw new IllegalArgumentException("Passing in the class and list the head, the two must be the same size.");
+            }
             Field field = excelContentPropertyData.getField();
             Head headData = getHeadMap().get(index);
             ColumnWidth columnWidth = field.getAnnotation(ColumnWidth.class);

src/test/java/com/alibaba/easyexcel/test/temp/WriteV34Test.java

@@ -54,7 +54,7 @@ public class WriteV34Test {
             new HorizontalCellStyleStrategy(headWriteCellStyle, contentWriteCellStyle);
 
         // 这里 需要指定写用哪个class去写，然后写到第一个sheet，名字为模板 然后文件流会自动关闭
-        EasyExcel.write(fileName).head(head()).registerWriteHandler(horizontalCellStyleStrategy).sheet("模板")
+        EasyExcel.write(fileName,DemoData.class).head(head()).registerWriteHandler(horizontalCellStyleStrategy).sheet("模板")
             .doWrite(data(1));
     }
 
@@ -63,13 +63,18 @@ public class WriteV34Test {
         List<List<String>> list = new ArrayList<List<String>>();
         List<String> head0 = new ArrayList<String>();
         head0.add("字符串" + System.currentTimeMillis());
+        head0.add("再找找");
         List<String> head1 = new ArrayList<String>();
         head1.add("数字" + System.currentTimeMillis());
         List<String> head2 = new ArrayList<String>();
         head2.add("日期" + System.currentTimeMillis());
+        List<String> head3 = new ArrayList<String>();
+        head3.add("日期" + System.currentTimeMillis());
         list.add(head0);
         list.add(head1);
-        list.add(head2);
+        list.add(head2);        list.add(head3);
+
+
         return list;
     }
 

update.md

@@ -5,6 +5,7 @@
 * 写入`sheet`不设置`index`和`name`默认不为0的问题
 * 修复多个`sheet`不按照顺序写入 会乱序的bug [Issue #1332](https://github.com/alibaba/easyexcel/issues/1332)
 * 修改head是List时，内容单元格的样式不生效 [Issue #1339](https://github.com/alibaba/easyexcel/issues/1339)
+* 新增写入`class`和`list`同时传入 `field`数量不一致报错 [Issue #1333](https://github.com/alibaba/easyexcel/issues/1333)
 
 
 # 2.2.3