From f1208474f771a1c233d7425c8ed13fbaa0d521ac Mon Sep 17 00:00:00 2001
From: baoshiwei <baoshiwei@shlanbao.cn>
Date: 星期三, 12 三月 2025 09:35:13 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/5.X' into 5.X
---
ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/handler/DataWriteHandler.java | 135 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 135 insertions(+), 0 deletions(-)
diff --git a/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/handler/DataWriteHandler.java b/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/handler/DataWriteHandler.java
new file mode 100644
index 0000000..a2aa495
--- /dev/null
+++ b/ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/handler/DataWriteHandler.java
@@ -0,0 +1,135 @@
+package org.dromara.common.excel.handler;
+
+import cn.hutool.core.collection.CollUtil;
+import com.alibaba.excel.metadata.data.DataFormatData;
+import com.alibaba.excel.metadata.data.WriteCellData;
+import com.alibaba.excel.util.StyleUtil;
+import com.alibaba.excel.write.handler.CellWriteHandler;
+import com.alibaba.excel.write.handler.SheetWriteHandler;
+import com.alibaba.excel.write.handler.context.CellWriteHandlerContext;
+import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
+import com.alibaba.excel.write.metadata.style.WriteCellStyle;
+import com.alibaba.excel.write.metadata.style.WriteFont;
+import org.apache.poi.ss.usermodel.*;
+import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
+import org.apache.poi.xssf.usermodel.XSSFRichTextString;
+import org.dromara.common.core.utils.reflect.ReflectUtils;
+import org.dromara.common.excel.annotation.ExcelNotation;
+import org.dromara.common.excel.annotation.ExcelRequired;
+
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 鎵规敞銆佸繀濉�
+ *
+ * @author guzhouyanyu
+ */
+public class DataWriteHandler implements SheetWriteHandler, CellWriteHandler {
+
+ /**
+ * 鎵规敞
+ */
+ private final Map<Integer, String> notationMap;
+
+ /**
+ * 澶村垪瀛椾綋棰滆壊
+ */
+ private final Map<Integer, Short> headColumnMap;
+
+
+ public DataWriteHandler(Class<?> clazz) {
+ notationMap = getNotationMap(clazz);
+ headColumnMap = getRequiredMap(clazz);
+ }
+
+ @Override
+ public void afterCellDispose(CellWriteHandlerContext context) {
+ if (CollUtil.isEmpty(notationMap) && CollUtil.isEmpty(headColumnMap)) {
+ return;
+ }
+ WriteCellData<?> cellData = context.getFirstCellData();
+ WriteCellStyle writeCellStyle = cellData.getOrCreateStyle();
+
+ DataFormatData dataFormatData = new DataFormatData();
+ // 鍗曞厓鏍艰缃负鏂囨湰鏍煎紡
+ dataFormatData.setIndex((short) 49);
+ writeCellStyle.setDataFormatData(dataFormatData);
+
+ if (context.getHead()) {
+ Cell cell = context.getCell();
+ WriteSheetHolder writeSheetHolder = context.getWriteSheetHolder();
+ Sheet sheet = writeSheetHolder.getSheet();
+ Workbook workbook = writeSheetHolder.getSheet().getWorkbook();
+ Drawing<?> drawing = sheet.createDrawingPatriarch();
+ // 璁剧疆鏍囬瀛椾綋鏍峰紡
+ WriteFont headWriteFont = new WriteFont();
+ // 鍔犵矖
+ headWriteFont.setBold(true);
+ if (CollUtil.isNotEmpty(headColumnMap) && headColumnMap.containsKey(cell.getColumnIndex())) {
+ // 璁剧疆瀛椾綋棰滆壊
+ headWriteFont.setColor(headColumnMap.get(cell.getColumnIndex()));
+ }
+ writeCellStyle.setWriteFont(headWriteFont);
+ CellStyle cellStyle = StyleUtil.buildCellStyle(workbook, null, writeCellStyle);
+ cell.setCellStyle(cellStyle);
+
+ if (CollUtil.isNotEmpty(notationMap) && notationMap.containsKey(cell.getColumnIndex())) {
+ // 鎵规敞鍐呭
+ String notationContext = notationMap.get(cell.getColumnIndex());
+ // 鍒涘缓缁樺浘瀵硅薄
+ Comment comment = drawing.createCellComment(new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), 0, (short) 5, 5));
+ comment.setString(new XSSFRichTextString(notationContext));
+ cell.setCellComment(comment);
+ }
+ }
+ }
+
+ /**
+ * 鑾峰彇蹇呭～鍒�
+ */
+ private static Map<Integer, Short> getRequiredMap(Class<?> clazz) {
+ Map<Integer, Short> requiredMap = new HashMap<>();
+ Field[] fields = clazz.getDeclaredFields();
+ // 妫�鏌� fields 鏁扮粍鏄惁涓虹┖
+ if (fields.length == 0) {
+ return requiredMap;
+ }
+ Field[] filteredFields = ReflectUtils.getFields(clazz, field -> !"serialVersionUID".equals(field.getName()));
+
+ for (int i = 0; i < filteredFields.length; i++) {
+ Field field = filteredFields[i];
+ if (!field.isAnnotationPresent(ExcelRequired.class)) {
+ continue;
+ }
+ ExcelRequired excelRequired = field.getAnnotation(ExcelRequired.class);
+ int columnIndex = excelRequired.index() == -1 ? i : excelRequired.index();
+ requiredMap.put(columnIndex, excelRequired.fontColor().getIndex());
+ }
+ return requiredMap;
+ }
+
+ /**
+ * 鑾峰彇鎵规敞
+ */
+ private static Map<Integer, String> getNotationMap(Class<?> clazz) {
+ Map<Integer, String> notationMap = new HashMap<>();
+ Field[] fields = clazz.getDeclaredFields();
+ // 妫�鏌� fields 鏁扮粍鏄惁涓虹┖
+ if (fields.length == 0) {
+ return notationMap;
+ }
+ Field[] filteredFields = ReflectUtils.getFields(clazz, field -> !"serialVersionUID".equals(field.getName()));
+ for (int i = 0; i < filteredFields.length; i++) {
+ Field field = filteredFields[i];
+ if (!field.isAnnotationPresent(ExcelNotation.class)) {
+ continue;
+ }
+ ExcelNotation excelNotation = field.getAnnotation(ExcelNotation.class);
+ int columnIndex = excelNotation.index() == -1 ? i : excelNotation.index();
+ notationMap.put(columnIndex, excelNotation.value());
+ }
+ return notationMap;
+ }
+}
--
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