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去掉this.$set语法（语法报错），在3.0已废弃，用 proxy 实现双向绑定不会出现不更新的问题 #283

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去掉this.$set语法（语法报错），在3.0已废弃，用 proxy 实现双向绑定不会出现不更新的问题 #283

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239 changes: 121 additions & 118 deletions src/views/BaseTable.vue
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Original file line number Diff line number Diff line change
@@ -1,123 +1,123 @@
<template>
<div>
<div class="crumbs">
<el-breadcrumb separator="/">
<el-breadcrumb-item>
<i class="el-icon-lx-cascades"></i> 基础表格
</el-breadcrumb-item>
</el-breadcrumb>
</div>
<div class="container">
<div class="handle-box">
<el-button
type="primary"
icon="el-icon-delete"
class="handle-del mr10"
@click="delAllSelection"
>批量删除</el-button>
<el-select v-model="query.address" placeholder="地址" class="handle-select mr10">
<el-option key="1" label="广东省" value="广东省"></el-option>
<el-option key="2" label="湖南省" value="湖南省"></el-option>
</el-select>
<el-input v-model="query.name" placeholder="用户名" class="handle-input mr10"></el-input>
<el-button type="primary" icon="el-icon-search" @click="handleSearch">搜索</el-button>
</div>
<el-table
:data="tableData"
border
class="table"
ref="multipleTable"
header-cell-class-name="table-header"
@selection-change="handleSelectionChange"
>
<el-table-column type="selection" width="55" align="center"></el-table-column>
<el-table-column prop="id" label="ID" width="55" align="center"></el-table-column>
<el-table-column prop="name" label="用户名"></el-table-column>
<el-table-column label="账户余额">
<template #default="scope">￥{{ scope.row.money }}</template>
</el-table-column>
<el-table-column label="头像(查看大图)" align="center">
<template #default="scope">
<el-image
class="table-td-thumb"
:src="scope.row.thumb"
:preview-src-list="[scope.row.thumb]"
></el-image>
</template>
</el-table-column>
<el-table-column prop="address" label="地址"></el-table-column>
<el-table-column label="状态" align="center">
<template #default="scope">
<el-tag
:type="
scope.row.state === '成功'
? 'success'
: scope.row.state === '失败'
? 'danger'
: ''
"
>{{ scope.row.state }}</el-tag>
</template>
</el-table-column>
<div>
<div class="crumbs">
<el-breadcrumb separator="/">
<el-breadcrumb-item>
<i class="el-icon-lx-cascades"></i> 基础表格
</el-breadcrumb-item>
</el-breadcrumb>
</div>
<div class="container">
<div class="handle-box">
<el-button
type="primary"
icon="el-icon-delete"
class="handle-del mr10"
@click="delAllSelection"
>批量删除</el-button>
<el-select v-model="query.address" placeholder="地址" class="handle-select mr10">
<el-option key="1" label="广东省" value="广东省"></el-option>
<el-option key="2" label="湖南省" value="湖南省"></el-option>
</el-select>
<el-input v-model="query.name" placeholder="用户名" class="handle-input mr10"></el-input>
<el-button type="primary" icon="el-icon-search" @click="handleSearch">搜索</el-button>
</div>
<el-table
:data="tableData"
border
class="table"
ref="multipleTable"
header-cell-class-name="table-header"
@selection-change="handleSelectionChange"
>
<el-table-column type="selection" width="55" align="center"></el-table-column>
<el-table-column prop="id" label="ID" width="55" align="center"></el-table-column>
<el-table-column prop="name" label="用户名"></el-table-column>
<el-table-column label="账户余额">
<template #default="scope">￥{{ scope.row.money }}</template>
</el-table-column>
<el-table-column label="头像(查看大图)" align="center">
<template #default="scope">
<el-image
class="table-td-thumb"
:src="scope.row.thumb"
:preview-src-list="[scope.row.thumb]"
></el-image>
</template>
</el-table-column>
<el-table-column prop="address" label="地址"></el-table-column>
<el-table-column label="状态" align="center">
<template #default="scope">
<el-tag
:type="
scope.row.state === '成功'
? 'success'
: scope.row.state === '失败'
? 'danger'
: ''
"
>{{ scope.row.state }}</el-tag>
</template>
</el-table-column>

<el-table-column prop="date" label="注册时间"></el-table-column>
<el-table-column label="操作" width="180" align="center">
<template #default="scope">
<el-button
type="text"
icon="el-icon-edit"
@click="handleEdit(scope.$index, scope.row)"
>编辑</el-button>
<el-button
type="text"
icon="el-icon-delete"
class="red"
@click="handleDelete(scope.$index, scope.row)"
>删除</el-button>
</template>
</el-table-column>
</el-table>
<div class="pagination">
<el-pagination
background
layout="total, prev, pager, next"
:current-page="query.pageIndex"
:page-size="query.pageSize"
:total="pageTotal"
@current-change="handlePageChange"
></el-pagination>
</div>
</div>
<el-table-column prop="date" label="注册时间"></el-table-column>
<el-table-column label="操作" width="180" align="center">
<template #default="scope">
<el-button
type="text"
icon="el-icon-edit"
@click="handleEdit(scope.$index, scope.row)"
>编辑</el-button>
<el-button
type="text"
icon="el-icon-delete"
class="red"
@click="handleDelete(scope.$index, scope.row)"
>删除</el-button>
</template>
</el-table-column>
</el-table>
<div class="pagination">
<el-pagination
background
layout="total, prev, pager, next"
:current-page="query.pageIndex"
:page-size="query.pageSize"
:total="pageTotal"
@current-change="handlePageChange"
></el-pagination>
</div>
</div>

<!-- 编辑弹出框 -->
<el-dialog title="编辑" v-model="editVisible" width="30%">
<el-form ref="form" :model="form" label-width="70px">
<el-form-item label="用户名">
<el-input v-model="form.name"></el-input>
</el-form-item>
<el-form-item label="地址">
<el-input v-model="form.address"></el-input>
</el-form-item>
</el-form>
<template #footer>
<span class="dialog-footer">
<el-button @click="editVisible = false">取 消</el-button>
<el-button type="primary" @click="saveEdit">确 定</el-button>
</span>
</template>
</el-dialog>
</div>
<!-- 编辑弹出框 -->
<el-dialog title="编辑" v-model="editVisible" width="30%">
<el-form ref="form" :model="form" label-width="70px">
<el-form-item label="用户名">
<el-input v-model="form.name"></el-input>
</el-form-item>
<el-form-item label="地址">
<el-input v-model="form.address"></el-input>
</el-form-item>
</el-form>
<template #footer>
<span class="dialog-footer">
<el-button @click="editVisible = false">取 消</el-button>
<el-button type="primary" @click="saveEdit">确 定</el-button>
</span>
</template>
</el-dialog>
</div>
</template>

<script>
import { fetchData } from "../api/index";
import { fetchData } from '../api/index';
export default {
name: "basetable",
name: 'basetable',
data() {
return {
query: {
address: "",
name: "",
address: '',
name: '',
pageIndex: 1,
pageSize: 10
},
Expand Down Expand Up @@ -145,17 +145,18 @@ export default {
},
// 触发搜索按钮
handleSearch() {
this.$set(this.query, "pageIndex", 1);
// this.$set(this.query, "pageIndex", 1); // this.$set在3.0已废弃。用 proxy 实现双向绑定不会出现不更新的问题
this.query.pageIndex = 1;
this.getData();
},
// 删除操作
handleDelete(index) {
// 二次确认删除
this.$confirm("确定要删除吗？", "提示", {
type: "warning"
this.$confirm('确定要删除吗？', '提示', {
type: 'warning'
})
.then(() => {
this.$message.success("删除成功");
this.$message.success('删除成功');
this.tableData.splice(index, 1);
})
.catch(() => {});
Expand All @@ -166,10 +167,10 @@ export default {
},
delAllSelection() {
const length = this.multipleSelection.length;
let str = "";
let str = '';
this.delList = this.delList.concat(this.multipleSelection);
for (let i = 0; i < length; i++) {
str += this.multipleSelection[i].name + " ";
str += this.multipleSelection[i].name + ' ';
}
this.$message.error(`删除了${str}`);
this.multipleSelection = [];
Expand All @@ -184,11 +185,13 @@ export default {
saveEdit() {
this.editVisible = false;
this.$message.success(`修改第 ${this.idx + 1} 行成功`);
this.$set(this.tableData, this.idx, this.form);
// this.$set(this.tableData, this.idx, this.form);
this.tableData[this.idx] = this.form;
},
// 分页导航
handlePageChange(val) {
this.$set(this.query, "pageIndex", val);
// this.$set(this.query, "pageIndex", val);
this.query.pageIndex = val;
this.getData();
}
}
Expand Down