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大家好！先上图看看本次案例的整体效果。
浪奔，浪流，万里涛涛江水永不休。如果在jq时代来实这个功能简直有些噩梦了，但是自从前端思想发展到现在的以MVVM为主流的大背景下，来实现一个这样繁杂的功能简直不能容易太多。下面就手把手带您一步步拨开这个案例的层层迷雾。
实现步骤如下：
1. api构建部门和员工信息接口，vuex全局存放部门list和员工list数据信息。
api：
export default {
getEmployeeList () {
return {
returncode: 0,
message: '',
result: [
{
id: 1,
employeeName: '吴亦凡',
departmentId: 44
},
{
id: 2,
employeeName: '鹿晗',
departmentId: 45
},
{
id: 3,
employeeName: '孙红雷',
departmentId: 44
},
{
id: 4,
employeeName: '周杰伦',
departmentId: 45
},
{
id: 5,
employeeName: '张国荣',
departmentId: 45
},
{
id: 6,
employeeName: '陈百强',
departmentId: 45
},
{
id: 7,
employeeName: '谭咏麟',
departmentId: 41
},
{
id: 8,
employeeName: '谷村新司',
departmentId: 45
},
{
id: 9,
employeeName: '中岛美雪',
departmentId: 46
},
{
id: 10,
employeeName: '周润发',
departmentId: 47
},
{
id: 14,
employeeName: '周慧敏',
departmentId: 58
},
{
id: 13,
employeeName: '张学友',
departmentId: 58
}
]
}
},
getDepartmentList () {
return {
returncode: 0,
message: '',
result: [
{
id: 40,
name: '研发一部',
parentId: 37,
sequence: 2
},
{
id: 41,
name: '研发二部',
parentId: 37,
sequence: 4
},
{
id: 43,
name: '市场',
parentId: 0,
sequence: 6
},
{
id: 44,
name: '销售',
parentId: 0,
sequence: 4
},
{
id: 45,
name: '财务',
parentId: 0,
sequence: 5
},
{
id: 46,
name: '研发三部',
parentId: 37,
sequence: 1
},
{
id: 47,
name: '研发四部',
parentId: 37,
sequence: 3
},
{
id: 37,
name: '研发',
parentId: 0,
sequence: 5
},
{
id: 58,
name: '研发一部',
parentId: 57,
sequence: 1
},
{
id: 59,
name: '测试',
parentId: 0,
sequence: 5
},
{
id: 60,
name: '测试一部',
parentId: 59,
sequence: 1
},
{
id: 61,
name: '测试二部',
parentId: 59,
sequence: 2
},
{
id: 62,
name: '研发二部',
parentId: 57,
sequence: 2
}
]
}
}
}
store:
import dataApi from '@/api/data.api.js'
const state = {
employeeList: [],
departmentList: []
}
const getters = {
employeeList: state => state.employeeList,
departmentList: state => state.departmentList
}
const mutations = {
SetEmployeeList (state, { employeeList }) {
state.employeeList = employeeList
},
SetDepartmentList (state, { departmentList }) {
state.departmentList = departmentList
}
}
const actions = {
getEmployeeList ({ commit }) {
let employeeResult = dataApi.getEmployeeList()
if (employeeResult.returncode === 0) {
commit('SetEmployeeList', { employeeList: employeeResult.result })
}
},
getDepartmentList ({ commit }) {
let departmentResult = dataApi.getDepartmentList()
if (departmentResult.returncode === 0) {
commit('SetDepartmentList', { departmentList: departmentResult.result })
}
}
}
export default {
state,
getters,
mutations,
actions,
namespaced: true
}
2. vue.$set为员工对象增加响应式属性checked控制是否选中，methods中创建选中方法如下：
selectEmployee () {
var self = this
if (self.employee.checked === undefined) {
this.$set(self.employee, 'checked', true)
} else {
self.employee.checked = !self.employee.checked
}
}
3. computed计算属性监控文本框输入字段searchKey的变化实现左侧员工列表实时检索功能。
searchEmployeeList () {
var self = this
if (self.searchKey.trim() === '') {
console.log(self.employeeList)
return self.employeeList.filter(item => item.checked === undefined || !item.checked)
} else {
return self.employeeList.filter(item => (item.employeeName.indexOf(self.searchKey.trim()) !== -1) && (item.checked === undefined || !item.checked))
}
}
4. 构建组织结构树的部门组件，部门下可能存在子部门和员工，所以组件内部再调用部门组件和员工组件，以达到循环递归的效果。
<template>
<li @click.stop="expandTree()">
<a :class="lvl|level">
<span class="expand-tree-icon">
<i class="fa fa-caret-right" :class="{'active':department.expand}"></i>
</span>
<span>
<i class="lcfont lc-department-o"></i>
</span>
<span class="title">
<span>{{department.name}}</span>
<span class="title-desc">({{allChildEmployeeList.length}}人 )</span>
<i class="lcfont lc-add" @click.stop="selectDepartmentEmployees()" title="添加整个部门成员"></i>
</span>
</a>
<ul v-show="department.expand">
<child-employee
v-for="(employee,index) in childEmployeeList"
:employee="employee"
:lvl="lvl+1"
:key="index"
></child-employee>
<child-department
v-for="(department,index) in childDepartmentList"
:department="department"
:employeeList="employeeList"
:departmentList="departmentList"
:lvl="lvl+1"
:key="index"
></child-department>
</ul>
</li>
</template>
5. 结构树之员工组件
<template>
<li v-on:click.stop="selectEmployee()">
<a class="member-item" v-bind:class="lvl|level" href="javascript:;" rel="external nofollow" >
<div class="lc-avatar flex-se1" name="true" size="30">
<div class="lc-avatar-30" :title="employee.employeeName">
<span class="lc-avatar-def" style="background-color: rgb(112, 118, 142);">
<div>{{employee.employeeName}}</div>
</span>
<div class="lc-avatar-name">{{employee.employeeName}}</div>
</div>
</div>
<i class="lcfont" v-bind:class="{'lc-check':employee.checked}"></i>
</a>
</li>
</template>
6. 和上面员工的选中原理类似，控制部门节点的展开和合并也通过$set方法扩展一个响应式的expand属性。
expandTree () {
var self = this
if (self.department.expand === undefined) {
self.$set(self.department, 'expand', true)
} else {
self.department.expand = !self.department.expand
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
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