insertAll sql编写

src/main/java/com/sztzjy/forex/trading_trading/mappers/MemberMapper.java

@@ -130,4 +130,6 @@ public interface MemberMapper {
             " training_name," +
             " class_grade")
     List<Map<String, Object>> classScoreTrend(@Param("schoolId") Integer schoolId);
+
+    void insertAll(List<Member> list);
 }

src/main/java/com/sztzjy/forex/trading_trading/service/MemberService.java

@@ -48,9 +48,7 @@ public class MemberService {
     }
 
     public void insertAll(List<Member> members) {
-        for (Member member : members) {
-            memberMapper.insert(member);
-        }
+        memberMapper.insertAll(members);
     }
 
     public void insert(Member member) {
@@ -124,7 +122,7 @@ public class MemberService {
             rows.add(member.getTradeTrainingScore());
             rows.add(member.getTrainingReportScore());
             rows.add(member.getTotalScore());
-            excelData.addRow(rows) ;
+            excelData.addRow(rows);
         }
         String fileName = "学生排行榜数据.xlsx";
         String file = fileUtil.getFullPath(fileName);
@@ -134,7 +132,7 @@ public class MemberService {
         fileUtil.remove(file);
     }
 
-    public List<Map<String,Object>> classScoreTrend(Integer schoolId){
+    public List<Map<String, Object>> classScoreTrend(Integer schoolId) {
         return memberMapper.classScoreTrend(schoolId);
     }
 }