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src/components/Del/index.vue

 <template>
-
-  <el-button  :type="multipleSelection.data.length ? 'primary' : 'info'"
-          :disabled="!multipleSelection.data.length" @click="del()">删 除</el-button>
-
-
+  <el-button
+    :type="multipleSelection.data.length ? 'primary' : 'info'"
+    :disabled="!multipleSelection.data.length"
+    @click="del()"
+    >删 除</el-button
+  >
 </template>
 <script>
-import {mapGetters,mapActions} from 'vuex';
-import {  warningAlert } from "../../utils/alert";
+import { mapGetters, mapActions } from "vuex";
+import { warningAlert } from "../../utils/alert";
 
 export default {
-props: {
-  
+  props: {
     multipleSelection2: {
       type: Array,
-      default: () => {}
-    }
+      default: () => {},
+    },
+  },
+  components: {},
+  data() {
+    return {
+      multipleSelection: formInit(),
+    };
   },
-components: {},
-data() {
-return {
-  multipleSelection:formInit(),
-};
-},
   watch: {
     multipleSelection2: {
-       immediate: true,
+      immediate: true,
       handler(newV) {
-        this.multipleSelection = !!newV
-        this.multipleSelection = formInit(this.multipleSelection2)
- 
+        this.multipleSelection = !!newV;
+        this.multipleSelection = formInit(this.multipleSelection2);
       },
     },
-   
   },
-computed: {
-...mapGetters({}),
-},
-methods: {
-...mapActions({}),
-del(){
- this.$confirm('继续操作将永久删除, 是否继续?', '提示', {
-          confirmButtonText: '确定',
-          cancelButtonText: '取消',
-          type: 'warning'
-        }).then(() => {
-      this.$emit("del")
-        }).catch(() => {
-         warningAlert("取消删除")         
+  computed: {
+    ...mapGetters({}),
+  },
+  methods: {
+    ...mapActions({}),
+    del() {
+      this.$confirm("继续操作将永久删除, 是否继续?", "提示", {
+        confirmButtonText: "确定",
+        cancelButtonText: "取消",
+        type: "warning",
+      })
+        .then(() => {
+          this.$emit("del");
+        })
+        .catch(() => {
+          warningAlert("取消删除");
         });
-},
-},
-mounted() {},
+    },
+  },
+  mounted() {},
 };
 function formInit(data = []) {
   return {
-  
-   data
-  }
+    data,
+  };
 }
 </script>
 <style scoped>