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谷粒商城学习——P51商品服务-API-三级分类-删除-删除效果细化

2021-06-18 22:33:53  阅读:149  来源: 互联网

标签:node http parent 删除 children API console data P51


httpget和post模板

一直用的hbuilder,到这里发现怎么设置也不生效,于是转vscode了

new global snippets file,手工创建模板vue.config-snippets

 

 

 

 模板内容

    "http-get请求": {
        "prefix": "httpget",
        "body": [
            "this.\\$http({",
            "url: this.\\$http.adornUrl(''),",
            "method: 'get',",
            "params: this.\\$http.adornParams({})",
            "}).then(({data}) => {",
            "})"
        ],
        "description": "httpGET请求"
    },
    "http-post请求": {
        "prefix": "httppost",
        "body": [
            "this.\\$http({",
            "url:this.\\$http.adornUrl(''),",
            "method: 'post',",
            "data: this.\\$http.adornData(data, false)",
            "}).then(({ data }) => { });"
        ],
        "description": " httpPOST请求"
    },
View Code

本节主要用到了

MessageBox 弹框

this.$confirm(`确认提示`, "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
     .then(() => {})
     .catch(() => {});

Message 消息提示

            this.$message({
              message: "提示消息",
              type: "success",
            });

default-expanded-keys

指定展开节点的key,及node-key

 

 我的category.vue源码

<template>
  <div>
    <el-tree
      :data="menus"
      :props="defaultProps"
      show-checkbox=""
      node-key="catId"
      :expand-on-click-node="false"
      :default-expanded-keys="expandedkey"
    >
      <span class="custom-tree-node" slot-scope="{ node, data }">
        <span>{{ node.label }}</span>
        <span>
          <el-button
            v-if="node.level <= 2"
            type="text"
            size="mini"
            @click="() => append(data)"
          >
            Append
          </el-button>
          <el-button
            v-if="node.childNodes.length == 0"
            type="text"
            size="mini"
            @click="() => remove(node, data)"
          >
            Delete
          </el-button>
        </span>
      </span>
    </el-tree>
  </div>
</template>

<script>
//这里可以导入其他文件(比如:组件,工具js,第三方插件js,json文件,图片文件等等)
//例如:import 《组件名称》 from '《组件路径》';

export default {
  data() {
    return {
      expandedkey: [],
      menus: [],
      defaultProps: {
        children: "children",
        label: "name",
      },
    };
  },
  created() {
    console.log(this.expandedkey);
    this.getMenus();
  },
  methods: {
    // remove(node, data) {
    //   const parent = node.parent;
    //   const children = parent.data.children || parent.data;
    //   const index = children.findIndex(d => d.id === data.id);
    //   children.splice(index, 1);
    // },

    remove(node, data) {
      let ids = [data.catId];
      console.log(ids);
      console.log(node);
      this.$confirm(`是否删除${data.name}菜单?`, "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(() => {
          this.$http({
            url: this.$http.adornUrl("/product/category/delete"),
            method: "post",
            data: this.$http.adornData(ids, false),
          }).then(({ data }) => {
            this.$message({
              message: "菜单删除成功",
              type: "success",
            });
            this.getMenus();
            console.log(node.parent.data.catId);
            this.expandedkey = [node.parent.data.catId];
          });
        })
        .catch(() => {});
    },
    append(data) {
      const newChild = {
        id: id++,
        label: "testtest",
        children: [],
      };
      if (!data.children) {
        this.$set(data, "children", []);
      }
      data.children.push(newChild);
    },

    getMenus() {
      this.$http({
        url: this.$http.adornUrl("/product/category/list/tree"),
        method: "get",
      }).then(({ data }) => {
        console.log("成功获取菜单", data.data);
        this.menus = data.data;
        console.log("thismenus", this.menus);
      });
    },
  },
};
</script>
<style scoped>
</style>
View Code

 

标签:node,http,parent,删除,children,API,console,data,P51
来源: https://www.cnblogs.com/yanan7890/p/14898461.html

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