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@afwenming123/vue-easy-tree

v1.0.1

Published

A Vue.js project

Downloads

525

Readme

npm vue2 last commit NPM downloads license

vue-easy-tree

介绍

一款基于vue2.x,同时支持少量数据或大量数据、多种功能和虚拟滚动的树组件。

基于element-ui(License:MIT)中抽取的tree样式和功能,结合vue-virtual-scroller(License:MIT)所做的树组件。

v1.0 功能列表 npm

  • 大数据量支持虚拟滚动
  • 基本树形数据的展示
  • 支持checkbox选择
  • 支持懒加载
  • 默认展开和默认选中
  • 禁用节点
  • 通过多种方式选中节点和获取选中的节点信息
  • 支持自定义节点内容
  • 支持节点过滤
  • 非虚拟滚动下,支持手风琴模式
  • 非懒加载时,支持节点拖拽

特点

  • 支持虚拟滚动
  • 不仅支持大数据量的树形数据展示,还支持数据的操作和更改

安装

npm install @wchbrad/vue-easy-tree

yarn add @wchbrad/vue-easy-tree

引入

全局引入

main.js 文件中引入:

import Vue from "vue";
import VueEasyTree from "@wchbrad/vue-easy-tree";
// 样式文件,可以根据需要自定义样式或主题
import "@wchbrad/vue-easy-tree/src/assets/index.scss"

Vue.use(VueEasyTree)

组件引入

在组件中引入:

import VueEasyTree from "@wchbrad/vue-easy-tree";
// 样式文件,可以根据需要自定义样式或主题
import "@wchbrad/vue-easy-tree/src/assets/index.scss"

export default {
  components: {
    VueEasyTree
  }
}

使用:

:warning: 在使用虚拟滚动时,必须设置 node-key

<template>
  <div class="ve-tree" style="height:calc(100vh - 20px)">
  <!-- 不使用虚拟滚动时只需去掉height参数即可 -->
    <vue-easy-tree
      ref="veTree"
      node-key="id"
      height="calc(100vh - 20px)"
      :data="treeData"
      :props="props"
    ></vue-easy-tree>
  </div>
</template>

<script>
export default {
  data() {
    return {
      props: {
        label: "name",
        children: "children"
      },
      treeData: []
    };
  },
  created() {
    const data = [],
      root = 8,
      children = 3,
      base = 1000;
    for (let i = 0; i < root; i++) {
      data.push({
        id: `${i}`,
        name: `test-${i}`,
        children: []
      });
      for (let j = 0; j < children; j++) {
        data[i].children.push({
          id: `${i}-${j}`,
          name: `test-${i}-${j}`,
          children: []
        });
        for (let k = 0; k < base; k++) {
          data[i].children[j].children.push({
            id: `${i}-${j}-${k}`,
            name: `test-${i}-${j}-${k}`
          });
        }
      }
    }
    this.treeData = data;
  }
};
</script>

在项目中改变 SCSS 变量

通过新建一个样式文件,如:ve-tree-var.scss,写入以下内容:

/* 改变主题色变量 */
$--color-primary: #ea5404;

/* 改变 icon 字体路径变量,必需 */
$--font-path: "~@wchbrad/vue-easy-tree/src/assets/fonts";

@import "@wchbrad/vue-easy-tree/src/assets/index.scss";

:warning: 需要注意的是,覆盖字体路径变量是必需的,将其赋值为 @wchbrad/vue-easy-tree 中 icon 图标所在的相对路径即可。

然后在 main.js 中直接引入以上样式文件即可:

import Vue from 'vue'
import VueEasyTree from "@wchbrad/vue-easy-tree";
import "./css/ve-tree-var.scss"

Vue.use(VueEasyTree)

其它属性和方法

来自element-ui 官方文档 需要使用虚拟滚动时,增加 height 属性即可,如:

<vue-easy-tree :data="data" height="calc(100vh - 20px)" :props="defaultProps" @node-click="handleNodeClick"></vue-easy-tree>

快速查看示例和api

License

MIT