性质500修复;导出接口提供

src/main/java/com/zzsn/thinktank/controller/ThinktankBasicInfoController.java

 package com.zzsn.thinktank.controller;
 
+import cn.hutool.core.map.MapUtil;
 import cn.hutool.poi.excel.ExcelReader;
 import cn.hutool.poi.excel.ExcelUtil;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.zzsn.thinktank.constants.CommonConstants;
+import com.zzsn.thinktank.entity.SysDictItem;
 import com.zzsn.thinktank.entity.ThinktankBasicInfo;
 import com.zzsn.thinktank.service.LeaderCategoryService;
 import com.zzsn.thinktank.service.ThinktankBasicInfoService;
@@ -31,6 +34,7 @@ import java.util.Map;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * @Version 1.0
@@ -209,6 +213,46 @@ public class ThinktankBasicInfoController {
         return Result.OK(mapList);
     }
 
+    @GetMapping("/queryStatisticalAnalysis/export/excel")
+    public ExportDataResponse<?> queryStatisticalAnalysisExport(String type,HttpServletRequest req) throws Exception {
+        ThinktankBasicInfoListVo vo = new ThinktankBasicInfoListVo();
+        Page<ThinktankBasicInfo> page = new Page<ThinktankBasicInfo>(1, 999999);
+        List<Map<String,Object>> mapList = thinktankBasicInfoService.queryStatisticalAnalysis(type,page,vo,req);
+
+        List<ExportDataResponse.Header> headers =new ArrayList<>();
+                switch (type) {
+            case "continent":
+                headers.add(new ExportDataResponse.Header("data", "洲"));
+                break;
+            case "country":
+                headers.add(new ExportDataResponse.Header("data", "国家"));
+                break;
+            case "tag":
+                headers.add(new ExportDataResponse.Header("data", "领域"));
+                break;
+            case "lang":
+                headers.add(new ExportDataResponse.Header("data", "语言"));
+                break;
+            case "nature":
+                headers.add(new ExportDataResponse.Header("data", "性质"));
+                break;
+            case "influencePosition":
+                headers.add(new ExportDataResponse.Header("data", "影响力和地位"));
+                break;
+            case "scale":
+                headers.add(new ExportDataResponse.Header("data", "智库规模"));
+                break;
+            case "staffSize":
+                headers.add(new ExportDataResponse.Header("data", "人员规模"));
+                break;
+            case "operateStatus":
+                headers.add(new ExportDataResponse.Header("data", "运营状态"));
+                break;
+        }
+        headers.add(new ExportDataResponse.Header("num", "数据"));
+        return ExportDataResponse.success(headers,mapList);
+    }
+
     /**
      * 模板下载
      *

src/main/java/com/zzsn/thinktank/service/impl/ThinktankBasicInfoServiceImpl.java

@@ -912,7 +912,13 @@ public class ThinktankBasicInfoServiceImpl extends ServiceImpl<ThinktankBasicInf
             case "nature":
                 mapList = processGrouping(list, ThinktankBasicInfo::getNature, false,null);//性质
                 List<SysDictItem> dictItemList = sysDictItemService.selectByItemCode(CommonConstants.DIC_THINK_TANK_NATURE);
-                Map<String, String> dictMap = dictItemList.stream().collect(Collectors.toMap(SysDictItem::getItemValue, SysDictItem::getItemText));
+                // 方式1：保留第一个出现的重复值（推荐，除非明确需要覆盖）
+                Map<String, String> dictMap = dictItemList.stream()
+                        .collect(Collectors.toMap(
+                                SysDictItem::getItemValue,
+                                SysDictItem::getItemText,
+                                (existingValue, newValue) -> existingValue  // 遇到重复键时保留旧值
+                        ));
                 mapList.forEach(map -> {
                     String dictKey = MapUtil.getStr(map, "data");
                     if (MapUtil.isNotEmpty(dictMap) && dictMap.containsKey(dictKey)) {

src/main/java/com/zzsn/thinktank/vo/ExportDataResponse.java

+package com.zzsn.thinktank.vo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @Author: lxj
+ * @Date: 2025/9/19 16:24
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ExportDataResponse<T> {
+    private int code;
+    private String msg;
+    private List<Header> headers;
+    private List<T> dataList;
+
+    @Data
+    @AllArgsConstructor
+    @NoArgsConstructor
+    public static class Header {
+        private String field;
+        private String title;
+    }
+
+    // 处理失败的 Result
+    public static <T> ExportDataResponse<T> fromResultFail(Result<?> result) {
+        ExportDataResponse<T> resp = new ExportDataResponse<>();
+        resp.setCode(result.getCode());   // 自定义失败码
+        resp.setMsg(result.getMessage());
+        resp.setHeaders(Collections.emptyList());
+        resp.setDataList(Collections.emptyList());
+        return resp;
+    }
+
+
+    public static <T> ExportDataResponse<T> success(List<Header> headers,List<T> dataList) {
+        ExportDataResponse<T> resp = new ExportDataResponse<>();
+        resp.setCode(0);   // 自定义失败码
+        resp.setMsg("success");
+        resp.setHeaders(headers);
+        resp.setDataList(dataList);
+        return resp;
+    }
+}