修改

src/components/sale/orderlist.vue

@@ -565,7 +565,10 @@
       gostudent(item) {
         var tempStr = '/sale/studentList?OrderId=' + item.OrderId + '&ClassId=' + item.ClassId;
         this.$router.push({
-          path: tempStr
+          path: tempStr,
+          query:{
+            isFrom:1
+          }
         });
       },
       //修改订单备注

src/pages/sale/studentList.vue

@@ -8,7 +8,7 @@
           <div class="col-2 q-table__title" @click="goreturn">返回</div>
           <q-space />
           <div class="page-option">
-            <q-btn color="accent" size="sm" icon="add" label="新增名单" @click="addxue" />
+            <q-btn color="accent" size="sm" v-if="isShowBtn" icon="add" label="新增名单" @click="addxue" />
           </div>
         </template>
         <template v-slot:body-cell-Sex="props">
@@ -192,6 +192,8 @@
         GEList:[],
         GLList:[],
         OFList:[],
+
+        isShowBtn:true //默认显示新增名单
       }
     },
     mounted() {
@@ -199,6 +201,9 @@
         this.msg.OrderId =this.$route.query.OrderId;
         this.addMsg.OrderId =this.$route.query.OrderId;
         this.msg.ClassId =this.$route.query.ClassId
+        if(this.$route.query.isFrom==1){
+          this.isShowBtn = false;
+        }
       }
       this.getRolelist();
       this.getGuestBasics()//日语基础枚举