下载

src/main/java/com/izouma/wenlvju/dto/ProgrammeResultDTO.java

@@ -34,6 +34,9 @@ public class ProgrammeResultDTO {
     @ExcelProperty(value = "参演人数")
     private int quantity;
 
+    @ExcelProperty(value = "参演人员")
+    private String quantityName;
+
     @ExcelProperty(value = "分数")
     private Double score;
 

src/main/java/com/izouma/wenlvju/web/performance/ProgrammeController.java

@@ -1,6 +1,8 @@
 package com.izouma.wenlvju.web.performance;
 
 import cn.hutool.core.convert.Convert;
+import cn.hutool.core.util.ObjectUtil;
+import com.izouma.wenlvju.domain.performance.Participant;
 import com.izouma.wenlvju.domain.performance.Performance;
 import com.izouma.wenlvju.domain.performance.Programme;
 import com.izouma.wenlvju.dto.*;
@@ -29,6 +31,7 @@ import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 @Slf4j
 @RestController
@@ -252,7 +255,23 @@ public class ProgrammeController extends BaseController {
     @ResponseBody
     public void excelResult(HttpServletResponse response, PageQuery pageQuery) throws IOException {
         List<ProgrammeResultDTO> data = this.result(pageQuery).getContent();
-        ExcelUtils.export(response, data);
+        List<Long> ids = data.stream().map(ProgrammeResultDTO::getId).collect(Collectors.toList());
+        Map<Long, List<Participant>> collect = participantRepo.findAllByProgrammeIdIn(ids)
+                .stream()
+                .collect(Collectors.groupingBy(Participant::getProgrammeId));
+        List<ProgrammeResultDTO> result = data.stream()
+                .peek(da -> {
+                    if (ObjectUtil.isNotNull(collect.get(da.getId()))) {
+                        String name = collect.get(da.getId())
+                                .stream()
+                                .map(Participant::getName)
+                                .collect(Collectors.joining("、"));
+                        da.setQuantityName(name);
+                    }
+
+                })
+                .collect(Collectors.toList());
+        ExcelUtils.export(response, result);
     }
 }