From 8ae8c5498da43d15e8fc511c7534fc9ff4a9c750 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期六, 14 一月 2023 00:58:30 +0800
Subject: [PATCH] fix 修复 多数据源适配 jakarta 异常 bug (临时)

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java |  187 ++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 168 insertions(+), 19 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 a45fc2d..bbe3471 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
@@ -1,8 +1,14 @@
 package com.ruoyi.common.utils.poi;
 
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.io.resource.ClassPathResource;
 import cn.hutool.core.util.IdUtil;
 import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.ExcelWriter;
 import com.alibaba.excel.write.builder.ExcelWriterSheetBuilder;
+import com.alibaba.excel.write.metadata.WriteSheet;
+import com.alibaba.excel.write.metadata.fill.FillConfig;
+import com.alibaba.excel.write.metadata.fill.FillWrapper;
 import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
 import com.ruoyi.common.convert.ExcelBigNumberConvert;
 import com.ruoyi.common.excel.CellMergeStrategy;
@@ -14,11 +20,15 @@
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 
-import javax.servlet.ServletOutputStream;
-import javax.servlet.http.HttpServletResponse;
+import jakarta.servlet.ServletOutputStream;
+import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+import java.util.Collection;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Excel鐩稿叧澶勭悊
@@ -75,7 +85,13 @@
      * @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);
+        try {
+            resetResponse(sheetName, response);
+            ServletOutputStream os = response.getOutputStream();
+            exportExcel(list, sheetName, clazz, false, os);
+        } catch (IOException e) {
+            throw new RuntimeException("瀵煎嚭Excel寮傚父");
+        }
     }
 
     /**
@@ -89,29 +105,162 @@
      */
     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");
+            resetResponse(sheetName, response);
             ServletOutputStream os = response.getOutputStream();
-            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);
-            if (merge) {
-                // 鍚堝苟澶勭悊鍣�
-                builder.registerWriteHandler(new CellMergeStrategy(list, true));
-            }
-            builder.doWrite(list);
+            exportExcel(list, sheetName, clazz, merge, os);
         } catch (IOException e) {
             throw new RuntimeException("瀵煎嚭Excel寮傚父");
         }
     }
 
     /**
+     * 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 os        杈撳嚭娴�
+     */
+    public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, OutputStream os) {
+        exportExcel(list, sheetName, clazz, false, os);
+    }
+
+    /**
+     * 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 os        杈撳嚭娴�
+     */
+    public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, OutputStream os) {
+        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);
+        if (merge) {
+            // 鍚堝苟澶勭悊鍣�
+            builder.registerWriteHandler(new CellMergeStrategy(list, true));
+        }
+        builder.doWrite(list);
+    }
+
+    /**
+     * 鍗曡〃澶氭暟鎹ā鏉垮鍑� 妯℃澘鏍煎紡涓� {.灞炴�
+     *
+     * @param filename     鏂囦欢鍚�
+     * @param templatePath 妯℃澘璺緞 resource 鐩綍涓嬬殑璺緞鍖呮嫭妯℃澘鏂囦欢鍚�
+     *                     渚嬪: excel/temp.xlsx
+     *                     閲嶇偣: 妯℃澘鏂囦欢蹇呴』鏀剧疆鍒板惎鍔ㄧ被瀵瑰簲鐨� resource 鐩綍涓�
+     * @param data         妯℃澘闇�瑕佺殑鏁版嵁
+     * @param response     鍝嶅簲浣�
+     */
+    public static void exportTemplate(List<Object> data, String filename, String templatePath, HttpServletResponse response) {
+        try {
+            resetResponse(filename, response);
+            ServletOutputStream os = response.getOutputStream();
+            exportTemplate(data, templatePath, os);
+        } catch (IOException e) {
+            throw new RuntimeException("瀵煎嚭Excel寮傚父");
+        }
+    }
+
+    /**
+     * 鍗曡〃澶氭暟鎹ā鏉垮鍑� 妯℃澘鏍煎紡涓� {.灞炴�
+     *
+     * @param templatePath 妯℃澘璺緞 resource 鐩綍涓嬬殑璺緞鍖呮嫭妯℃澘鏂囦欢鍚�
+     *                     渚嬪: excel/temp.xlsx
+     *                     閲嶇偣: 妯℃澘鏂囦欢蹇呴』鏀剧疆鍒板惎鍔ㄧ被瀵瑰簲鐨� resource 鐩綍涓�
+     * @param data         妯℃澘闇�瑕佺殑鏁版嵁
+     * @param os           杈撳嚭娴�
+     */
+    public static void exportTemplate(List<Object> data, String templatePath, OutputStream os) {
+        ClassPathResource templateResource = new ClassPathResource(templatePath);
+        ExcelWriter excelWriter = EasyExcel.write(os)
+            .withTemplate(templateResource.getStream())
+            .autoCloseStream(false)
+            // 澶ф暟鍊艰嚜鍔ㄨ浆鎹� 闃叉澶辩湡
+            .registerConverter(new ExcelBigNumberConvert())
+            .build();
+        WriteSheet writeSheet = EasyExcel.writerSheet().build();
+        if (CollUtil.isEmpty(data)) {
+            throw new IllegalArgumentException("鏁版嵁涓虹┖");
+        }
+        // 鍗曡〃澶氭暟鎹鍑� 妯℃澘鏍煎紡涓� {.灞炴�
+        for (Object d : data) {
+            excelWriter.fill(d, writeSheet);
+        }
+        excelWriter.finish();
+    }
+
+    /**
+     * 澶氳〃澶氭暟鎹ā鏉垮鍑� 妯℃澘鏍煎紡涓� {key.灞炴�
+     *
+     * @param filename     鏂囦欢鍚�
+     * @param templatePath 妯℃澘璺緞 resource 鐩綍涓嬬殑璺緞鍖呮嫭妯℃澘鏂囦欢鍚�
+     *                     渚嬪: excel/temp.xlsx
+     *                     閲嶇偣: 妯℃澘鏂囦欢蹇呴』鏀剧疆鍒板惎鍔ㄧ被瀵瑰簲鐨� resource 鐩綍涓�
+     * @param data         妯℃澘闇�瑕佺殑鏁版嵁
+     * @param response     鍝嶅簲浣�
+     */
+    public static void exportTemplateMultiList(Map<String, Object> data, String filename, String templatePath, HttpServletResponse response) {
+        try {
+            resetResponse(filename, response);
+            ServletOutputStream os = response.getOutputStream();
+            exportTemplateMultiList(data, templatePath, os);
+        } catch (IOException e) {
+            throw new RuntimeException("瀵煎嚭Excel寮傚父");
+        }
+    }
+
+    /**
+     * 澶氳〃澶氭暟鎹ā鏉垮鍑� 妯℃澘鏍煎紡涓� {key.灞炴�
+     *
+     * @param templatePath 妯℃澘璺緞 resource 鐩綍涓嬬殑璺緞鍖呮嫭妯℃澘鏂囦欢鍚�
+     *                     渚嬪: excel/temp.xlsx
+     *                     閲嶇偣: 妯℃澘鏂囦欢蹇呴』鏀剧疆鍒板惎鍔ㄧ被瀵瑰簲鐨� resource 鐩綍涓�
+     * @param data         妯℃澘闇�瑕佺殑鏁版嵁
+     * @param os           杈撳嚭娴�
+     */
+    public static void exportTemplateMultiList(Map<String, Object> data, String templatePath, OutputStream os) {
+        ClassPathResource templateResource = new ClassPathResource(templatePath);
+        ExcelWriter excelWriter = EasyExcel.write(os)
+            .withTemplate(templateResource.getStream())
+            .autoCloseStream(false)
+            // 澶ф暟鍊艰嚜鍔ㄨ浆鎹� 闃叉澶辩湡
+            .registerConverter(new ExcelBigNumberConvert())
+            .build();
+        WriteSheet writeSheet = EasyExcel.writerSheet().build();
+        if (CollUtil.isEmpty(data)) {
+            throw new IllegalArgumentException("鏁版嵁涓虹┖");
+        }
+        for (Map.Entry<String, Object> map : data.entrySet()) {
+            // 璁剧疆鍒楄〃鍚庣画杩樻湁鏁版嵁
+            FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
+            if (map.getValue() instanceof Collection) {
+                // 澶氳〃瀵煎嚭蹇呴』浣跨敤 FillWrapper
+                excelWriter.fill(new FillWrapper(map.getKey(), (Collection<?>) map.getValue()), fillConfig, writeSheet);
+            } else {
+                excelWriter.fill(map.getValue(), writeSheet);
+            }
+        }
+        excelWriter.finish();
+    }
+
+    /**
+     * 閲嶇疆鍝嶅簲浣�
+     */
+    private static void resetResponse(String sheetName, HttpServletResponse response) throws UnsupportedEncodingException {
+        String filename = encodingFilename(sheetName);
+        FileUtils.setAttachmentResponseHeader(response, filename);
+        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
+    }
+
+    /**
      * 瑙f瀽瀵煎嚭鍊� 0=鐢�,1=濂�,2=鏈煡
      *
      * @param propertyValue 鍙傛暟鍊�

--
Gitblit v1.9.3