1. 完成用户导出的功能

2. 完成前后端的导出的封装

src/main/java/cn/iocoder/dashboard/framework/excel/core/convert/DictConvert.java

@@ -54,7 +54,7 @@ public class DictConvert implements Converter<Object> {
             return null;
         }
         // 生成 Excel 小表格
-        return new CellData<>(dictData.getValue());
+        return new CellData<>(dictData.getLabel());
     }
 
     private static DictTypeEnum getType(ExcelContentProperty contentProperty) {

src/main/java/cn/iocoder/dashboard/framework/excel/core/util/ExcelUtils.java

@@ -0,0 +1,27 @@
+package cn.iocoder.dashboard.framework.excel.core.util;
+
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
+
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.net.URLEncoder;
+import java.util.List;
+
+/**
+ * Excel 工具类
+ */
+public class ExcelUtils {
+
+    public static void write(HttpServletResponse response, String filename, String sheetName,
+                                 Class<?> head, List<?> data) throws IOException {
+        // 设置 header 和 contentType
+        response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, "UTF-8"));
+        response.setContentType("application/vnd.ms-excel;charset=UTF-8");
+        // 输出 Excel
+        EasyExcel.write(response.getOutputStream(), head)
+                .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()) // 基于 column 长度，自动适配。最大 255 宽度
+                .sheet(sheetName).doWrite(data);
+    }
+
+}