这篇文章主要讲解了“怎么用vue+elementUI封装一个根据后端变化的动态table”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“怎么用vue+elementUI封装一个根据后端变化的动态table”吧！
实现了自动生成和插槽两个方式，主要把 el-table 和el-pagination封装在一起
效果图：
使用组件，启用自动生成 :auto="true"
自动生成-编辑 （包括请求已经实现了）新增和删除也是一样
ps:如有额外的按钮可以用插槽实现
查询的时候，只需要多返回下面数据，就可以自动生成列，和对应操作按钮
目录
table.vue
<template>
<div>
<el-row v-if="auto">
<el-col :span="4">
<el-button size="small" type="primary" @click="add(table.buttons.add)">新增</el-button>
</el-col>
<el-col :span="20">
<div >
<slot name="search"></slot>
<el-button size="small" type="primary" @click="filterData">查询</el-button>
</div>
</el-col>
</el-row>
<el-row v-else>
<el-col :span="24" > </el-col>
</el-row>
<el-table v-if="auto" v-loading="table.loading" :data="table.data" >
<el-table-column v-for="(item,index) in table.columns" :key="index" :label="item.label+'-自动生成'" :prop="item.prop"></el-table-column>
<el-table-column label="操作-自动生成">
<template slot-scope="scope">
<el-button size="small" type="button" @click="edit(scope.row,table.buttons.edit)">编辑</el-button>
<el-button size="small" type="danger" @click="del(scope.row,table.buttons.del)">删除</el-button>
</template>
</el-table-column>
</el-table>
<el-table v-if="!auto" v-loading="table.loading" :data="table.data" >
<slot>
<el-table-column label="默认列" ></el-table-column>
</slot>
</el-table>
<el-pagination
background
:current-page="this.$parent.filters.pageIndex"
layout="total, sizes, prev, pager, next, jumper"
:page-size="this.$parent.filters.pageSize"
:total="total"
@current-change="handleCurrentChange"
@size-change="handleSizeChange"
/>
</div>
</template>
<script>
export default ({
name:'table-test',
props: {
auto:{
type:Boolean,
default:()=>false,
},
query: {
type: Function,
default: ()=>null,
},
},
created(){
this.filterData()
},
data(){
return {
table:{
columns:[],
buttons:{},
data:[],
loading:false,
},
total:0
}
},
methods:{
handleCurrentChange(index) {
this.$parent.filters.pageIndex = index
this.filterData()
},
handleSizeChange() {},
filterData(){
this.table.loading=true
/* eslint-disable */
// debugger
if(this.query){
this.query().then(res=>{
this.table.data = res.data
this.table.columns =res.columns
this.table.buttons =res.buttons
this.total=res.totalCount
}).finally(()=>{
this.table.loading=false
})
}else{
console.error('table组件未设置query函数')
}
},
del(row,setting){
// this.table.data.splice(index,1)
this.$baseConfirm('你确定要删除吗?', null, () => {
this.fn(row,setting)
})
},
add(setting){
// 约定添加、编辑弹窗组件都叫 addIndex或者一个其它统一的名称， 就可以实现通用
this.$parent.$refs.addIndex.show((form)=>this.fn(form,setting))
},
edit(row,setting){
this.$parent.$refs.addIndex.showEdit(()=>this.fn(row,setting),row)
},
fn(row,setting){
if(!row){
throw 'fn:row is null'
}
Object.keys(setting.data).forEach(x=> {
setting.data[x] = row[x]
})
Object.keys(setting.param).forEach(x=> {
setting.param[x] = row[x]
})
this.request({
url:setting.url,
mtehod:setting.method,
param:setting.param,
data:setting.data
}).then((res)=>{
this.$message.success(res.message)
this.filterData()
})
},
//模拟请求
request(param){
console.log('request',param)
return new Promise((res,rej)=>{
setTimeout(() => {
res({code:200,data:null,message:'ok'})
}, 100);
})
}
}
})
</script>
<style lang="scss" scoped>
table button{
margin-top:10px;
}
::v-deep{
.el-table .el-table__cell{
padding:8px 0;
}
.el-table__cell .el-button:first-child{
margin-left: 10px;
}
}
</style>index.vue
<template>
<div id="app" >
<div ></div>
<!-- 由后端接口返回的好处：
接口参数有任何变化，接口名称变更，后端直接更新即可，不用前端修改 ，减少了来回沟通的成本
组件提供了标准化，完整的基础功能，省去人为出现bug后修改的时间成本
省去的基础功能实现的细节，减少了功能细节缺胳膊少腿后期修补的时间成本 -->
<!-- 使用 auto="true" 根据接口返回的配置【自动生成列，按钮，增删改查调用】不用再写任何代码 -->
<myTable ref="table" :auto="true" :query="tableQuery">
<template slot="search">
<el-form :inline="true" label-width="50px" >
<el-form-item label="id">
<el-input v-model="filters.id" placeholder="" ></el-input>
</el-form-item>
<el-form-item label="名称">
<el-input v-model="filters.name" placeholder="" ></el-input>
</el-form-item>
</el-form>
</template>
</myTable>
<!-- 使用 auto="false" 需要自己定义列和增删改查函数 -->
<myTable ref="table" :auto="false" :query="tableQuery">
<el-table-column label="id-插槽" prop="id"> </el-table-column>
<el-table-column label="内容列-插槽" prop="name"></el-table-column>
<el-table-column label="操作-插槽" >
<template slot-scope="scope">
<el-button size="small" type="button" @click="edit(scope)">编辑</el-button>
<el-button size="small" type="button" @click="edit(scope)">编辑</el-button>
<el-button size="small" type="button" @click="edit(scope)">编辑</el-button>
<el-button size="small" type="button" @click="edit(scope)">编辑</el-button>
<el-button size="small" type="button" @click="edit(scope)">编辑</el-button>
<el-button size="small" type="button" @click="edit(scope)">编辑</el-button>
<el-button size="small" type="button" @click="edit(scope)">编辑</el-button>
<el-button size="small" type="danger" @click="del(scope.$index)">删除</el-button>
</template>
</el-table-column>
</myTable>
<addIndex ref="addIndex"></addIndex>
</div>
</template>
<script>
import addIndex from '@/views/components/add.vue'
export default ({
name:'indexTest',
components:{addIndex},
data(){
return {
filters:{
pageIndex:1,
pageSize:5
}
}
},
methods:{
//模拟请求返回
tableQuery(){
console.log('filters',this.filters)
var p = new Promise((res,rej)=>{
console.log(rej)
setTimeout(() => {
var value ={
columns:[{label:'序号',prop:'id'},{label:'名称',prop:'name'}],
buttons: {
add:{ url:'/controller/add',method:'post',data:{id:'',name:''},param:{}},
edit:{ url:'/controller/update',method:'post',data:{id:'',name:''},param:{}},
del:{url:'/controller/delete',method:'delete', data:{ },param:{id:''}}
},
data: [
{id:1,name:'测试1004' },
{id:2,name:'测试1009'},
// {id:3,name:'测试1009'},
// {id:4,name:'测试1009'},
// {id:5,name:'测试1009'},
// {id:6,name:'测试1009'},
// {id:7,name:'测试1009'},
// {id:8,name:'测试1009'},
// {id:9,name:'测试1009'},
// {id:10,name:'测试1009'},
],
totalCount:200};
value.data =value.data.filter(x=>this.where(x))
res(value)
}, 1000);
})
return p
},
where(x){
var a = this.filters.id ? x.id == this.filters.id : true
var b = this.filters.name ? x.name.indexOf( this.filters.name)>-1 : true
var r = a && b
return r
},
edit(){},
del(){}
}
})
</script>
<style lang="scss" scoped>
table button{
margin-top:10px;
}
</style>add.vue
<template>
<el-dialog :title="title"
width="30%"
:close-on-click-modal="false"
:visible.sync="visible">
<el-form ref="form" :model="form" :rules="rules" :label-width="'120px'">
<el-form-item label="id" prop="id">
<el-input v-model="form.id" placeholder=""></el-input>
</el-form-item>
<el-form-item label="名称" prop="name">
<el-input v-model="form.name" placeholder=""></el-input>
</el-form-item>
</el-form>
<div slot="footer" class="dialog-footer">
<el-button @click="visible = false">取 消</el-button>
<el-button type="primary" @click="add()">确 定</el-button>
</div>
</el-dialog>
</template>
<script>
export default ({
name:'addTest',
data(){
return {
title:'新增',
visible:false,
form:{},
rules:{},
save:null,
}
},
methods:{
show(save,form){
this.visible=true
this.save=save
this.form =form?form:{}
},
showEdit(save,form){
this.title='编辑'
this.show(save,form)
},
add(){
if(this.save!=null){
this.save(this.form)
}
else{
this.$message.success('ok2')
}
this.visible=false
}
}
})
</script>感谢各位的阅读，以上就是“怎么用vue+elementUI封装一个根据后端变化的动态table”的内容了，经过本文的学习后，相信大家对怎么用vue+elementUI封装一个根据后端变化的动态table这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是亿速云，小编将为大家推送更多相关知识点的文章，欢迎关注！
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