diff --git a/src/main/java/com/alibaba/excel/write/style/AbstractCellStyleStrategy.java b/src/main/java/com/alibaba/excel/write/style/AbstractCellStyleStrategy.java index 06a596f..14ad9ce 100644 --- a/src/main/java/com/alibaba/excel/write/style/AbstractCellStyleStrategy.java +++ b/src/main/java/com/alibaba/excel/write/style/AbstractCellStyleStrategy.java @@ -22,6 +22,7 @@ import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder; * @author Jiaju Zhuang */ public abstract class AbstractCellStyleStrategy implements CellWriteHandler, WorkbookWriteHandler, NotRepeatExecutor { + boolean hasInitialized = false; @Override @@ -50,7 +51,7 @@ public abstract class AbstractCellStyleStrategy implements CellWriteHandler, Wor @Override public void afterCellDispose(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, List cellDataList, Cell cell, Head head, Integer relativeRowIndex, Boolean isHead) { - if (isHead == null || head == null) { + if (isHead == null) { return; } if (isHead) { diff --git a/src/main/java/com/alibaba/excel/write/style/AbstractVerticalCellStyleStrategy.java b/src/main/java/com/alibaba/excel/write/style/AbstractVerticalCellStyleStrategy.java index 09903a0..197c5cf 100644 --- a/src/main/java/com/alibaba/excel/write/style/AbstractVerticalCellStyleStrategy.java +++ b/src/main/java/com/alibaba/excel/write/style/AbstractVerticalCellStyleStrategy.java @@ -12,7 +12,6 @@ import com.alibaba.excel.util.StyleUtil; import com.alibaba.excel.write.metadata.style.WriteCellStyle; /** - * * Use the same style for the column * * @author Jiaju Zhuang @@ -30,6 +29,9 @@ public abstract class AbstractVerticalCellStyleStrategy extends AbstractCellStyl @Override protected void setHeadCellStyle(Cell cell, Head head, Integer relativeRowIndex) { + if (head == null) { + return; + } int columnIndex = head.getColumnIndex(); if (headCellStyleCache.containsKey(columnIndex)) { CellStyle cellStyle = headCellStyleCache.get(columnIndex); @@ -50,6 +52,9 @@ public abstract class AbstractVerticalCellStyleStrategy extends AbstractCellStyl @Override protected void setContentCellStyle(Cell cell, Head head, Integer relativeRowIndex) { + if (head == null) { + return; + } int columnIndex = head.getColumnIndex(); if (contentCellStyleCache.containsKey(columnIndex)) { CellStyle cellStyle = contentCellStyleCache.get(columnIndex); @@ -71,8 +76,7 @@ public abstract class AbstractVerticalCellStyleStrategy extends AbstractCellStyl /** * Returns the column width corresponding to each column head * - * @param head - * Nullable + * @param head Nullable * @return */ protected abstract WriteCellStyle headCellStyle(Head head); @@ -80,8 +84,7 @@ public abstract class AbstractVerticalCellStyleStrategy extends AbstractCellStyl /** * Returns the column width corresponding to each column head * - * @param head - * Nullable + * @param head Nullable * @return */ protected abstract WriteCellStyle contentCellStyle(Head head); diff --git a/src/test/java/com/alibaba/easyexcel/test/temp/WriteV34Test.java b/src/test/java/com/alibaba/easyexcel/test/temp/WriteV34Test.java new file mode 100644 index 0000000..3fd3fbc --- /dev/null +++ b/src/test/java/com/alibaba/easyexcel/test/temp/WriteV34Test.java @@ -0,0 +1,86 @@ +package com.alibaba.easyexcel.test.temp; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.poi.ss.usermodel.FillPatternType; +import org.apache.poi.ss.usermodel.IndexedColors; +import org.junit.Ignore; +import org.junit.Test; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.alibaba.easyexcel.test.demo.write.DemoData; +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.style.WriteCellStyle; +import com.alibaba.excel.write.metadata.style.WriteFont; +import com.alibaba.excel.write.style.HorizontalCellStyleStrategy; + +/** + * 临时测试 + * + * @author Jiaju Zhuang + **/ +@Ignore +public class WriteV34Test { + + private static final Logger LOGGER = LoggerFactory.getLogger(WriteV34Test.class); + + @Test + public void test() throws Exception { + String fileName = TestFileUtil.getPath() + "handlerStyleWrite" + System.currentTimeMillis() + ".xlsx"; + // 头的策略 + WriteCellStyle headWriteCellStyle = new WriteCellStyle(); + // 背景设置为红色 + headWriteCellStyle.setFillForegroundColor(IndexedColors.RED.getIndex()); + WriteFont headWriteFont = new WriteFont(); + headWriteFont.setFontHeightInPoints((short)20); + headWriteCellStyle.setWriteFont(headWriteFont); + // 内容的策略 + WriteCellStyle contentWriteCellStyle = new WriteCellStyle(); + // 这里需要指定 FillPatternType 为FillPatternType.SOLID_FOREGROUND 不然无法显示背景颜色.头默认了 FillPatternType所以可以不指定 + contentWriteCellStyle.setFillPatternType(FillPatternType.SOLID_FOREGROUND); + // 背景绿色 + contentWriteCellStyle.setFillForegroundColor(IndexedColors.GREEN.getIndex()); + WriteFont contentWriteFont = new WriteFont(); + // 字体大小 + contentWriteFont.setFontHeightInPoints((short)20); + contentWriteCellStyle.setWriteFont(contentWriteFont); + // 这个策略是 头是头的样式 内容是内容的样式 其他的策略可以自己实现 + HorizontalCellStyleStrategy horizontalCellStyleStrategy = + 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") + .doWrite(data(1)); + } + + + private List> head() { + List> list = new ArrayList>(); + List head0 = new ArrayList(); + head0.add("字符串" + System.currentTimeMillis()); + List head1 = new ArrayList(); + head1.add("数字" + System.currentTimeMillis()); + List head2 = new ArrayList(); + head2.add("日期" + System.currentTimeMillis()); + list.add(head0); + list.add(head1); + list.add(head2); + return list; + } + + private List data(int no) { + List list = new ArrayList(); + for (int i = 0; i < 10; i++) { + DemoData data = new DemoData(); + data.setString("字符串" + no + "---" + i); + list.add(data); + } + return list; + } + +} diff --git a/update.md b/update.md index 6a0083a..573c775 100644 --- a/update.md +++ b/update.md @@ -4,6 +4,7 @@ * 修复07版仅有样式的空行 默认不忽略的bug * 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) # 2.2.3