修改

src/components/common/chooseMenu.vue

@@ -2,14 +2,16 @@
   <div class="chooseMenu">
     <el-tabs v-model="activeName" @tab-click="handleClick">
       <el-tab-pane v-for="(item,index) in dataList" :label="item.PageTypeName" :name="item.PageTypeId+''" :key="index">
-        <template v-for="(subItem,subIndex) in item.SubMenuList">
-          <div :key="subIndex" style="margin-bottom:10px;">
-            <el-checkbox v-model="subItem.IsChecked" :key="subIndex" @change="checkMenuChange(subItem)">
-              <span v-if="subItem.SelfPageName">{{subItem.SelfPageName}}</span>
-              <span v-else>{{subItem.PageName}} </span>
-            </el-checkbox>
-          </div>
-        </template>
+        <div style="height:450px;overflow:scroll"> 
+          <template v-for="(subItem,subIndex) in item.SubMenuList">
+              <div :key="subIndex" style="margin-bottom:10px;">
+                <el-checkbox v-model="subItem.IsChecked" :key="subIndex" @change="checkMenuChange(subItem)">
+                  <span v-if="subItem.SelfPageName">{{subItem.SelfPageName}}</span>
+                  <span v-else>{{subItem.PageName}} </span>
+                </el-checkbox>
+              </div>
+          </template>
+        </div>
       </el-tab-pane>
     </el-tabs>
   </div>
@@ -43,7 +45,7 @@
           PageUrl: "",
           IsParameter: 0,
           ParameterValue: "",
-          PageName:""
+          PageName: ""
         };
         if (this.dataList && this.dataList.length > 0) {
           this.dataList.forEach(item => {
@@ -53,7 +55,7 @@
                   obj.PageUrl = subItem.PageUrl;
                   obj.IsParameter = subItem.IsParameter;
                   obj.ParameterValue = subItem.ParameterValue;
-                  obj.PageName=subItem.PageName;
+                  obj.PageName = subItem.PageName;
                 }
               })
             }