<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<!-- 引入样式 -->
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
<!-- 引入组件库 -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
</head>
<body>
<div id="app">
<input type="text" id="one" value="11111">
<h2></h2>
<input type="text" id="two" value="22222">
<h2></h2>
<input type="text" id="three" value="33333" v-focus>
<h2></h2>
<input type="text" id="four" value="444444">
<h2></h2>
<el-row>
<el-button type="primary" @click="openOne">点开弹框1</el-button>
</el-row>
<h2></h2>
<el-row>
<el-button type="primary" @click="openTwo">点开弹框2</el-button>
</el-row>
<!-- 第一个弹框 -->
<el-dialog title="1111111111111" :visible.sync="dialogVisibleOne" width="80%">
<input v-model="one" ref="ref1" ></input>
<span slot="footer" class="dialog-footer">
<el-button @click="dialogVisibleOne = false">取 消</el-button>
<el-button type="primary" @click="dialogVisibleOne = false">确 定</el-button>
</span>
</el-dialog>
<!-- 第2个弹框 -->
<el-dialog title="2222222222" :visible.sync="dialogVisibleTwo" width="80%">
<el-input v-model="two" ref="refTwo"></el-input>
<span slot="footer" class="dialog-footer">
<el-button @click="dialogVisibleTwo = false">取 消</el-button>
<el-button type="primary" @click="dialogVisibleTwo = false">确 定</el-button>
</span>
</el-dialog>
</div>
<script>
var app = new Vue({
el: '#app',
data() {
return {
id: 'ssssss',
dialogVisibleOne: false, // 弹框显示隐藏
dialogVisibleTwo: false,
one: '',
two: ''
}
},
methods: {
/**
* 打开第一个弹框 自动获取焦点
*/
openOne() {
this.dialogVisibleOne = true // 1. 让弹框显示
this.$nextTick(() => { // 2. 弹框显示DOM更新完成后 获取refs.ref1 设置焦点
console.log(this.$refs.ref1)
this.$refs.ref1.focus() // 设置焦点
})
},
/**
* 打开第二个弹框 获取焦点
*/
openTwo() {
this.dialogVisibleTwo = true
this.$nextTick(() => {
this.$refs.refTwo.focus()
})
}
},
/**
* 自定义指令 让打开页面先获取焦点
*/
directives: {
focus: {
// 指令的定义
inserted: function (el) {
el.focus()
}
}
}
})
</script>
</body>
</html>
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文章来源: 博客园
原文链接: https://www.cnblogs.com/cengjingdeshuige/p/12675171.html
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