修改

src/components/exam/classstutree-form.vue

@@ -186,7 +186,7 @@
         <div class="SendContent">
           <div class="SendOne_Left">
             <div class="object_tit">
-              <span>班级/学生</span>
+              <span style="margin-left:20px;">班级/学生</span>
               <span>全选</span>
             </div>
             <div class="objectList">
@@ -267,7 +267,8 @@
         loading: false, //表格加载进度条
         dataList: [], //数据列表
         checkedStu: [], //选中数据
-        checked: false
+        checked: false,
+        isReSearch:false
       }
     },
     mounted() {
@@ -331,17 +332,30 @@
       },
       //装进右侧选中方法
       getCkedChild(){
-        this.checkedStu=[];
-        this.dataList.forEach(x=>{
-          x.SubList.forEach(y=>{
-            if(y.IsCheck){
-              this.checkedStu.push(y);
-            }
+        if(!this.isReSearch){
+          this.checkedStu=[];
+          this.dataList.forEach(x=>{
+            x.SubList.forEach(y=>{
+              if(y.IsCheck){
+                this.checkedStu.push(y);
+              }
+            })
           })
-        })
+        }else{
+          let newArr = [];
+          this.dataList.forEach(x=>{
+            x.SubList.forEach(y=>{
+              if(y.IsCheck){
+                newArr.push(y);
+              }
+            })
+          })
+          this.checkedStu = this.checkedStu.concat(newArr);
+        }
       },
       //重新查询
       research() {
+        this.isReSearch=true;
         this.getClassStudentTree();
       },
       //获取题库分页列表
@@ -356,6 +370,7 @@
               this.checkedStu = this.sendStudent;
               this.getLeftChecked();
             }
+            console.log(this.checkedStu,'checkedStu');
           }
         })
       },