Vue.js,如何在数据数组中使用v-model?
假设我有一个数据数组:Vue.js,如何在数据数组中使用v-model?,vue.js,persistence,Vue.js,Persistence,假设我有一个数据数组: this.data = [ { id: 101, firstName: 'Alice', lastName: 'Smith', dob: '1995-12-10' }, { id: 102, firstName: 'Reginald', lastName: 'Wernst', dob: '1979-10-03' }
this.data = [
{
id: 101,
firstName: 'Alice',
lastName: 'Smith',
dob: '1995-12-10'
},
{
id: 102,
firstName: 'Reginald',
lastName: 'Wernst',
dob: '1979-10-03'
},
{
id: 103,
firstName: 'Jolanda',
lastName: 'Finnbogadóttir',
dob: ''
}
]
我可以把数据放到卡片上,没问题。我可以识别点击的卡片,检索id
,并追溯到数据,比如index==1
,所以我想要的数据是data[index]
或{id:102,firstName:'Reginald',lastName:'Wernst',dob:'1979-10-03'}
但我希望能够用数据填充表单以更新它。v-model
应该是什么样子?我试过各种组合。通常,它告诉我像数据
,索引
之类的东西,或者任何没有定义的东西,那么如何将数据取出并返回呢
<v-dialog v-model="data[index]???" persistent>
<v-text-field v-model="id???" readonly></v-text-field>
<v-text-field label="First Name" v-model="firstName???"></v-text-field>
<v-text-field label="Last Name" v-model="lastName???"></v-text-field>
<v-text-field label="Date of Birth" v-model="dob???"></v-text-field>
<v-btn>Close</v-btn>
</v-dialog>
接近
在v-dialog
上的值
或v-model
控制可见性,而不是绑定到的特定数据;因此,您需要传递一个属性,该属性的值在单击卡时翻转:
基本上:
<script>
export default {
data () {
return {
arrData: [
{
id: 101,
firstName: 'Alice',
lastName: 'Smith',
dob: '1995-12-10'
},
{
id: 102,
firstName: 'Reginald',
lastName: 'Wernst',
dob: '1979-10-03'
},
{
id: 103,
firstName: 'Jolanda',
lastName: 'Finnbogadóttir',
dob: ''
}
],
dialog: false,
index: null
}
},
methods: {
clickCard (index) {
this.index = index
this.dialog = !this.dialog
}
}
}
</script>
导出默认值{
数据(){
返回{
ARR数据:[
{
id:101,
名字:“爱丽丝”,
姓氏:“史密斯”,
dob:‘1995-12-10’
},
{
id:102,
名字:“雷金纳德”,
姓氏:“Wernst”,
dob:‘1979-10-03’
},
{
身份证号码:103,
名字:“约兰达”,
姓氏:“Finnbogadóttir”,
dob:'
}
],
对话:错,
索引:空
}
},
方法:{
点击卡片(索引){
this.index=索引
this.dialog=!this.dialog
}
}
}
以及您的模板:
<template>
<v-dialog v-model="dialog" persistent>
<v-text-field v-model="arrData[index].id" readonly></v-text-field>
<v-text-field label="First Name" v-model="arrData[index].firstName"></v-text-field>
<v-text-field label="Last Name" v-model="arrData[index].lastName"></v-text-field>
<v-text-field label="Date of Birth" v-model="arrData[index].dob"></v-text-field>
<v-btn>Close</v-btn>
</v-dialog>
</template>
接近
在v-dialog
上的值
或v-model
控制可见性,而不是绑定到的特定数据;因此,您需要传递一个属性,该属性的值在单击卡时翻转:
基本上:
<script>
export default {
data () {
return {
arrData: [
{
id: 101,
firstName: 'Alice',
lastName: 'Smith',
dob: '1995-12-10'
},
{
id: 102,
firstName: 'Reginald',
lastName: 'Wernst',
dob: '1979-10-03'
},
{
id: 103,
firstName: 'Jolanda',
lastName: 'Finnbogadóttir',
dob: ''
}
],
dialog: false,
index: null
}
},
methods: {
clickCard (index) {
this.index = index
this.dialog = !this.dialog
}
}
}
</script>
导出默认值{
数据(){
返回{
ARR数据:[
{
id:101,
名字:“爱丽丝”,
姓氏:“史密斯”,
dob:‘1995-12-10’
},
{
id:102,
名字:“雷金纳德”,
姓氏:“Wernst”,
dob:‘1979-10-03’
},
{
身份证号码:103,
名字:“约兰达”,
姓氏:“Finnbogadóttir”,
dob:'
}
],
对话:错,
索引:空
}
},
方法:{
点击卡片(索引){
this.index=索引
this.dialog=!this.dialog
}
}
}
以及您的模板:
<template>
<v-dialog v-model="dialog" persistent>
<v-text-field v-model="arrData[index].id" readonly></v-text-field>
<v-text-field label="First Name" v-model="arrData[index].firstName"></v-text-field>
<v-text-field label="Last Name" v-model="arrData[index].lastName"></v-text-field>
<v-text-field label="Date of Birth" v-model="arrData[index].dob"></v-text-field>
<v-btn>Close</v-btn>
</v-dialog>
</template>
接近