修改老师端饼状图接口返回格式

src/main/java/com/sztzjy/fund_investment/controller/tea/TeaTopicManageController.java

@@ -3,6 +3,7 @@ package com.sztzjy.fund_investment.controller.tea;
 import cn.hutool.core.util.IdUtil;
 import com.github.pagehelper.PageInfo;
 import com.sztzjy.fund_investment.annotation.AnonymousAccess;
+import com.sztzjy.fund_investment.entity.QuestionAnswerExample;
 import com.sztzjy.fund_investment.entity.QuestionAnswerWithBLOBs;
 import com.sztzjy.fund_investment.entity.TopicsWithBLOBs;
 import com.sztzjy.fund_investment.entity.dto.QuestionAnswerDto;
@@ -111,7 +112,15 @@ public class TeaTopicManageController {
     @GetMapping("/getQuestionById")
     @ApiOperation("互动答疑/获取单条互动数据")
     public ResultEntity<QuestionAnswerWithBLOBs> getQuestionById(@ApiParam("展示接口中的id字段") @RequestParam String questionId) {
-        return new ResultEntity<QuestionAnswerWithBLOBs>(questionAnswerMapper.selectByPrimaryKey(questionId));
+//        QuestionAnswerWithBLOBs questionAnswerWithBLOBs = questionAnswerMapper.selectByPrimaryKey(questionId);
+        QuestionAnswerExample answerExample = new QuestionAnswerExample();
+        answerExample.createCriteria().andIdEqualTo(questionId);
+        List<QuestionAnswerWithBLOBs> questionAnswerWithBLOBs = questionAnswerMapper.selectByExampleWithBLOBs(answerExample);
+        if (!questionAnswerWithBLOBs.isEmpty()){
+            QuestionAnswerWithBLOBs questionAnswerWithBLOBs1 = questionAnswerWithBLOBs.get(0);
+            return new ResultEntity<>(questionAnswerWithBLOBs1);
+        }
+        return new ResultEntity<>(new QuestionAnswerWithBLOBs());
     }
 
     @AnonymousAccess