[求助] elementui 中 form 与 table 组件一起使用，排序后插入数据索引不对。
waiaan · 2019-12-06 16:07:46 +08:00 · 3087 次点击这是一个创建于 1814 天前的主题，其中的信息可能已经有所发展或是发生改变。
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Demo</title>
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
<style>
</style>
</head>
<body>
<div id="app">
<div class="table-container">
<el-form ref="form" :model="jobsData" label-width="0" :rules="formRules" :inline="true">
<el-table :data="jobsData.rows" header-cell-class-name="header-cell"
:default-sort="{prop: 'job_title', order: 'ascending'}" stripe>
<el-table-column label="index" width="100" align="center">
<template slot-scope="scope">
<span>
{{scope.$index+1}}
</span>
</template>
</el-table-column>
<el-table-column prop="job_id" label="job id" sortable>
<template slot-scope="scope">
<div v-if="scope.row.status==='show'">
{{scope.row.job_id}}
</div>
<div v-else>
<el-form-item :prop="'rows.'+scope.$index+'.job_id'" :rules="formRules.job_id">
<el-input v-model="scope.row.job_id"></el-input>
</el-form-item>
</div>
</template>
</el-table-column>
<el-table-column prop="job_title" label="job title" sortable>
<template slot-scope="scope">
<div v-if="scope.row.status==='show'">
{{scope.row.job_title}}
</div>
<div v-else>
<el-form-item :prop="'rows.'+scope.$index+'.job_title'" :rules="formRules.job_title">
<el-input v-model="scope.row.job_title"></el-input>
</el-form-item>
</div>
</template>
</el-table-column>
<el-table-column prop="min_salary" label="min salary" align="center" sortable>
<template slot-scope="scope">
<div v-if="scope.row.status==='show'">
{{scope.row.min_salary}}
</div>
<div v-else>
<el-form-item :prop="'rows.'+scope.$index+'.min_salary'">
<el-input-number v-model="scope.row.min_salary" :min="0"></el-input-number>
</el-form-item>
</div>
</template>
</el-table-column>
<el-table-column prop="max_salary" label="max salary" align="center" sortable>
<template slot-scope="scope">
<div v-if="scope.row.status==='show'">
{{scope.row.max_salary}}
</div>
<div v-else>
<el-form-item :prop="'rows.'+scope.$index+'.max_salary'">
<el-input-number v-model.trim="scope.row.max_salary" :min="0"></el-input-number>
</el-form-item>
</div>
</template>
</el-table-column>
<el-table-column align="center">
<template slot="header">
<el-button type="primary" size="small" @click="handleAdd">
+ Add
</el-button>
</template>
<template slot-scope="scope">
<div v-if="scope.row.status==='show'">
<el-button size="mini" @click.stop="handleEdit(scope)">Edit</el-button>
<el-button size="mini" type="danger" @click.stop="handleDelete(scope.$index, scope.row)">Delete
</el-button>
</div>
<div v-else-if="scope.row.status==='edit'">
<el-button type="primary" size="mini" @click.stop="save(scope,'modify')">Save</el-button>
<el-button size="mini" type="danger" @click.stop="cancleSave(scope)">Cancle</el-button>
</div>
<div v-else-if="scope.row.status==='add'">
<el-button type="primary" size="mini" @click.stop="save(scope,'add')">Add</el-button>
<el-button size="mini" type="danger" @click.stop="jobsData.rows.pop()">Cancle</el-button>
</div>
</template>
</el-table-column>
</el-table>
</el-form>
</div>
<el-button type="primary" size="small" @click="handleAdd">
+ Add
</el-button>
</div>
<!-- import Vue before Element -->
<script src="https://unpkg.com/[email protected]/dist/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<script>
new Vue({
el: '#app',
data() {
const validateJobId = (rule, value, cb) => {
const currIndex = ~~rule.fullField.split('.')[1];
value = value.trim();
if (value === '') {
cb(new Error('job_id is required'));
} else {
for (let i = 0; i < this.jobsData.rows.length; i++) {
const { job_id } = this.jobsData.rows[i];
if (value === job_id && i !== currIndex) {
cb(new Error('job_id is already exist'))
}
}
cb();
}
}
const validateJobTitle = (rule, value, cb) => {
const currIndex = ~~rule.fullField.split('.')[1];
value = value.trim();
if (value === '') {
cb(new Error('job_title is required'));
} else {
for (let i = 0; i < this.jobsData.rows.length; i++) {
const { job_title } = this.jobsData.rows[i];
if (value === job_title && i !== currIndex) {
cb(new Error('job_title is already exist'))
}
}
cb();
}
}
return {
jobsData: { rows: [] },
formRules: {
job_id: [
{
validator: validateJobId
}
],
job_title: [
{
validator: validateJobTitle
}
]
},
currEditData: {}
}
},
created() {
this.fetchData()
},
computed: {
},
methods: {
fetchData() {
this.jobsData = {
rows: [
{
job_id: "FI_ACCOUNT",
job_title: "Accountant",
max_salary: 9000,
min_salary: 4200
},
{
job_id: "AD_ASST",
job_title: "Administration Assistant",
max_salary: 6000,
min_salary: 3000,
}
]
};
for (let i = 0; i < this.jobsData.rows.length; i++) {
this.$set(this.jobsData.rows[i], 'status', 'show');
}
},
resetJobStatus() {
for (let i = 0; i < this.jobsData.rows.length; i++) {
this.jobsData.rows[i].status = 'show';
}
},
handleEdit(scope) {
this.resetJobStatus();
const { $index } = scope;
this.currEditData = JSON.parse(JSON.stringify(this.jobsData.rows[$index]));
this.jobsData.rows[$index].status = 'edit';
},
save(scope, type) {
this.$refs['form'].validate((valid) => {
if (valid) {
let { $index } = scope;
if (type === 'add') {
$index = this.jobsData.rows.length - 1;
}
let job = this.jobsData.rows[$index];
const { job_id, job_title, max_salary, min_salary } = job;
if (type === 'modify') {
} else if (type === 'add') {
}
}
});
},
cancleSave(scope) {
const { $index } = scope;
this.jobsData.rows.splice($index, 1, JSON.parse(JSON.stringify(this.currEditData)));
this.jobsData.rows[$index].status = 'show';
},
handleAdd() {
this.resetJobStatus();
this.jobsData.rows.push({ job_id: '', job_title: '', min_salary: 0, max_salary: 0, status: 'add' });
}
}
})
</script>
</body>
</html>
表格进行了排序，点击“add”，插入数据，再点击任意“edit”，可编辑的行显示错误。
 |
1
rain0002009 2019-12-06 16:55:56 +08:00
实验证明 el-table 的默认排序并不改变原数组的顺序，所以你用排序后的 index 来改变原数组的值，哦，你这愚蠢的土拨鼠是要我踢你的屁股吗[doge]
|
 |
2
waiaan OP @rain0002009
这翻译得好，我知道是这个原因，但是想不到解决的办法。 |
|
3
waiaan OP 实在不行就只能后端去排了。
|
 |
4
bylh 2019-12-06 17:29:37 +08:00
<el-table-column :key="xxx">给每一个 column 绑定唯一 key 值试一试
|
|
6
rain0002009 2019-12-06 18:39:40 +08:00
亲测，直接用传进来的 scope 就能修改了，写这么复杂，what are you 弄啥咧
|
|
7
waiaan OP @rain0002009
啥？能否贴一下代码？ |
Select Language