From 580d70b15ae47bc180a0b579af8c47c506eefac6 Mon Sep 17 00:00:00 2001
From: huliguo <2023611923@qq.com>
Date: 星期五, 11 七月 2025 20:13:38 +0800
Subject: [PATCH] 修改
---
src/main/java/com/linghu/controller/KeywordController.java | 116 ++++++++++++++++++++++++++++++++++++++++++++++++---------
1 files changed, 97 insertions(+), 19 deletions(-)
diff --git a/src/main/java/com/linghu/controller/KeywordController.java b/src/main/java/com/linghu/controller/KeywordController.java
index 58358e0..3e94579 100644
--- a/src/main/java/com/linghu/controller/KeywordController.java
+++ b/src/main/java/com/linghu/controller/KeywordController.java
@@ -1,8 +1,13 @@
package com.linghu.controller;
import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
+import com.alibaba.excel.write.handler.SheetWriteHandler;
+import com.alibaba.excel.write.metadata.WriteSheet;
+import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
+import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.linghu.listener.KeywordExcelListener;
import com.linghu.mapper.KeywordMapper;
@@ -13,24 +18,24 @@
import com.linghu.model.dto.ExportGetResultByPlatformIdDTO;
import com.linghu.model.dto.ExportGetResultDTO;
import com.linghu.model.dto.ExportStaticsDTO;
-import com.linghu.model.entity.Keyword;
-import com.linghu.model.entity.Platform;
-import com.linghu.model.entity.Reference;
-import com.linghu.model.entity.Type;
-import com.linghu.model.excel.FeedExportExcel;
-import com.linghu.model.excel.PlatformExcel;
-import com.linghu.model.excel.ReferenceExcel;
+import com.linghu.model.entity.*;
+import com.linghu.model.excel.*;
import com.linghu.model.vo.*;
-import com.linghu.model.excel.KeywordExcel;
import com.linghu.model.excel.PlatformExcel;
import com.linghu.model.vo.KeywordStaticsListVO;
import com.linghu.model.vo.KeywordStaticsVO;
import com.linghu.model.vo.PlatformProportionVO;
import com.linghu.model.vo.ResultListVO;
import com.linghu.service.KeywordService;
+import com.linghu.service.PlatformService;
import com.linghu.service.ReferenceService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
+import org.apache.poi.ss.usermodel.DataValidation;
+import org.apache.poi.ss.usermodel.DataValidationConstraint;
+import org.apache.poi.ss.usermodel.DataValidationHelper;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.util.CellRangeAddressList;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
@@ -51,6 +56,7 @@
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
+import java.util.Objects;
import java.util.stream.Collectors;
@RestController
@@ -67,6 +73,8 @@
private ReferenceService referenceService;
@Autowired
private ReferenceMapper referenceMapper;
+ @Autowired
+ private PlatformService platformService;
/**
* 关键词统计 EChart图
@@ -154,12 +162,20 @@
if (isNow == 0) {
List<PlatformProportionVO> result = keywordMapper.getResultByTypeId(keywordId, questionId,
keyword.getNum() , typeId);
+ // 检查列表是否为空或只包含null元素
+ boolean isValid = result != null && result.stream()
+ .anyMatch(Objects::nonNull);
- return ResponseResult.success(result);
+ return isValid ? ResponseResult.success(result)
+ : ResponseResult.success(new ArrayList<>());
}else {
List<PlatformProportionVO> result = keywordMapper.getResultByTypeId(keywordId, questionId, 1, typeId);
+ boolean isValid = result != null && result.stream()
+ .anyMatch(Objects::nonNull);
- return ResponseResult.success(result);
+ return isValid ? ResponseResult.success(result)
+ : ResponseResult.success(new ArrayList<>());
+
}
}
@@ -181,13 +197,39 @@
1 , dto.getTypeId());
}
-
+ //查询所有平台名称
+ List<String> typeNameList = result.stream()
+ .map(PlatformProportionVO::getType_name)
+ .filter(Objects::nonNull)
+ .collect(Collectors.toList());
// 3. 导出Excel
ByteArrayOutputStream out = new ByteArrayOutputStream();
- EasyExcel.write(out, PlatformProportionVO.class)
- .sheet("引用数据")
- .doWrite(result);
+ // 3. 使用自定义的SheetWriteHandler来添加数据验证
+ ExcelWriter excelWriter = EasyExcel.write(out, PlatformProportionVO.class)
+ .registerWriteHandler(new SheetWriteHandler() {
+ @Override
+ public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder,
+ WriteSheetHolder writeSheetHolder) {
+ Sheet sheet = writeSheetHolder.getSheet();
+
+ // 添加数据验证（下拉框）
+ DataValidationHelper helper = sheet.getDataValidationHelper();
+ CellRangeAddressList rangeList = new CellRangeAddressList(
+ 1, 65535, 0, 0); // D列（第4列）
+
+ DataValidationConstraint constraint = helper.createExplicitListConstraint(
+ typeNameList.toArray(new String[0]));
+ DataValidation validation = helper.createValidation(constraint, rangeList);
+ sheet.addValidationData(validation);
+ }
+ })
+ .build();
+
+
+ WriteSheet writeSheet = EasyExcel.writerSheet("平台分布占比").build();
+ excelWriter.write(result, writeSheet);
+ excelWriter.finish();
// 4. 构建响应
return ResponseEntity.ok()
@@ -209,11 +251,19 @@
if (isNow == 0) {
List<ResultListVO> result = keywordMapper.getResultByPlatformId(keywordId, questionId, keyword.getNum(),
platformId);
- return ResponseResult.success(result);
+ boolean isValid = result != null && result.stream()
+ .anyMatch(Objects::nonNull);
+
+ return isValid ? ResponseResult.success(result)
+ : ResponseResult.success(new ArrayList<>());
} else {
List<ResultListVO> result = keywordMapper.getResultByPlatformId(keywordId, questionId, 1,
platformId);
- return ResponseResult.success(result);
+ boolean isValid = result != null && result.stream()
+ .anyMatch(Objects::nonNull);
+
+ return isValid ? ResponseResult.success(result)
+ : ResponseResult.success(new ArrayList<>());
}
}
@@ -233,11 +283,39 @@
result = keywordMapper.getResultByPlatformId(dto.getKeywordId(), dto.getQuestionId(), 1,
dto.getPlatformId());
}
+ //查询所有平台名称
+ List<String> platfromNames = result.stream()
+ .map(ResultListVO::getPlatform_name)
+ .filter(Objects::nonNull)
+ .collect(Collectors.toList());
// 3. 导出Excel
ByteArrayOutputStream out = new ByteArrayOutputStream();
- EasyExcel.write(out, ResultListVO.class)
- .sheet("引用数据")
- .doWrite(result);
+
+ // 3. 使用自定义的SheetWriteHandler来添加数据验证
+ ExcelWriter excelWriter = EasyExcel.write(out, ResultListVO.class)
+ .registerWriteHandler(new SheetWriteHandler() {
+ @Override
+ public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder,
+ WriteSheetHolder writeSheetHolder) {
+ Sheet sheet = writeSheetHolder.getSheet();
+
+ // 添加数据验证（下拉框）
+ DataValidationHelper helper = sheet.getDataValidationHelper();
+ CellRangeAddressList rangeList = new CellRangeAddressList(
+ 1, 65535, 0, 0); // D列（第4列）
+
+ DataValidationConstraint constraint = helper.createExplicitListConstraint(
+ platfromNames.toArray(new String[0]));
+ DataValidation validation = helper.createValidation(constraint, rangeList);
+ sheet.addValidationData(validation);
+ }
+ })
+ .build();
+
+
+ WriteSheet writeSheet = EasyExcel.writerSheet("平台分布占比").build();
+ excelWriter.write(result, writeSheet);
+ excelWriter.finish();
// 4. 构建响应
return ResponseEntity.ok()
--
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