From 5479b4db2bd08154f4cef3a65de6f6c94f9bf707 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期五, 03 六月 2022 00:02:55 +0800
Subject: [PATCH] update 使用 SaStorage 优化 LoginHelper 一级缓存 避免 ThreadLocal 清理不干净问题

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java |   31 ++++++++++++++++++++++++++-----
 1 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 36dc67f..a45fc2d 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -2,8 +2,10 @@
 
 import cn.hutool.core.util.IdUtil;
 import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
 import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
 import com.ruoyi.common.convert.ExcelBigNumberConvert;
+import com.ruoyi.common.excel.CellMergeStrategy;
 import com.ruoyi.common.excel.DefaultExcelListener;
 import com.ruoyi.common.excel.ExcelListener;
 import com.ruoyi.common.excel.ExcelResult;
@@ -69,22 +71,41 @@
      *
      * @param list      瀵煎嚭鏁版嵁闆嗗悎
      * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О
-     * @return 缁撴灉
+     * @param clazz     瀹炰綋绫�
+     * @param response  鍝嶅簲浣�
      */
     public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, HttpServletResponse response) {
+        exportExcel(list, sheetName, clazz, false, response);
+    }
+
+    /**
+     * 瀵煎嚭excel
+     *
+     * @param list      瀵煎嚭鏁版嵁闆嗗悎
+     * @param sheetName 宸ヤ綔琛ㄧ殑鍚嶇О
+     * @param clazz     瀹炰綋绫�
+     * @param merge     鏄惁鍚堝苟鍗曞厓鏍�
+     * @param response  鍝嶅簲浣�
+     */
+    public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, HttpServletResponse response) {
         try {
             String filename = encodingFilename(sheetName);
             response.reset();
             FileUtils.setAttachmentResponseHeader(response, filename);
             response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
             ServletOutputStream os = response.getOutputStream();
-            EasyExcel.write(os, clazz)
+            ExcelWriterSheetBuilder builder = EasyExcel.write(os, clazz)
                 .autoCloseStream(false)
                 // 鑷姩閫傞厤
                 .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy())
                 // 澶ф暟鍊艰嚜鍔ㄨ浆鎹� 闃叉澶辩湡
                 .registerConverter(new ExcelBigNumberConvert())
-                .sheet(sheetName).doWrite(list);
+                .sheet(sheetName);
+            if (merge) {
+                // 鍚堝苟澶勭悊鍣�
+                builder.registerWriteHandler(new CellMergeStrategy(list, true));
+            }
+            builder.doWrite(list);
         } catch (IOException e) {
             throw new RuntimeException("瀵煎嚭Excel寮傚父");
         }
@@ -103,7 +124,7 @@
         String[] convertSource = converterExp.split(",");
         for (String item : convertSource) {
             String[] itemArray = item.split("=");
-            if (StringUtils.containsAny(separator, propertyValue)) {
+            if (StringUtils.containsAny(propertyValue, separator)) {
                 for (String value : propertyValue.split(separator)) {
                     if (itemArray[0].equals(value)) {
                         propertyString.append(itemArray[1] + separator);
@@ -132,7 +153,7 @@
         String[] convertSource = converterExp.split(",");
         for (String item : convertSource) {
             String[] itemArray = item.split("=");
-            if (StringUtils.containsAny(separator, propertyValue)) {
+            if (StringUtils.containsAny(propertyValue, separator)) {
                 for (String value : propertyValue.split(separator)) {
                     if (itemArray[1].equals(value)) {
                         propertyString.append(itemArray[0] + separator);

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