From 9ad64521d39e722b74379cc33c78de4cd0b426b3 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期三, 18 十二月 2024 17:46:53 +0800
Subject: [PATCH] update 优化 !pr_610 代码实现
---
ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/handler/DataWriteHandler.java | 62 ++++++++++++++++++++++++++++++-
1 files changed, 60 insertions(+), 2 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
index 0d11360..a2aa495 100644
--- 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
@@ -10,11 +10,15 @@
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 lombok.Data;
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;
/**
@@ -22,7 +26,6 @@
*
* @author guzhouyanyu
*/
-@Data
public class DataWriteHandler implements SheetWriteHandler, CellWriteHandler {
/**
@@ -36,8 +39,16 @@
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();
@@ -74,4 +85,51 @@
}
}
}
+
+ /**
+ * 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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