Vue.js 清除选择字段的Vue JS v-F
我有一个简单的应用程序,它在生成两个select标记的Vue.js 清除选择字段的Vue JS v-F,vue.js,select,v-for,Vue.js,Select,V For,我有一个简单的应用程序,它在生成两个select标记的select语句中使用v-for。创建select语句的groupedSKUAttributes变量如下所示: groupedSKUAttributes = {colour: [{id: 1, name: 'colour', value: 'red'}, {id: 2, name: 'colour', value: 'blue'}],
select
语句中使用v-for
。创建select
语句的groupedSKUAttributes
变量如下所示:
groupedSKUAttributes = {colour: [{id: 1, name: 'colour', value: 'red'},
{id: 2, name: 'colour', value: 'blue'}],
size: [{id: 3, name: 'size', value: '40'},
{id: 4, name: 'size', value: '42'}]}
<template>
<div>
<select
v-for='(attribute, attributeName) in groupedSKUAttributes'
:key='attribute'
@change='update(attributeName, $event.target.value)'>
<option value='null' selected>select a {{ attributeName }}</option>
<option
v-for='a in attribute'
:value='a.id'
:label='a.value'
:key='a.id'>
</option>
</select>
</div>
<button @click='clear'>clear</button>
</template>
<script>
export default {
name: 'app',
data() {
return {
groupedSKUAttributes: null,
}
},
methods: {
clear() {
console.log('clear');
},
update(attributeName, attributeValue) {
console.log(attributeName, attributeValue);
},
getSKUAttributes() {
API
.get('/sku_attribute/get')
.then((res) => {
this.skuAttributes = res.data;
this.groupedSKUAttributes = this.groupBy(this.skuAttributes, 'name');
})
.catch((error) => {
console.error(error);
});
},
},
created() {
this.getSKUAttributes();
}
}
</script>
我还有一个按钮,我想清除select
字段如何获得clear
方法,使每个select
字段选择其默认值选择一个{{attributeName}
值?我不知道我是否打算在这里为groupedsku属性使用v-model
。如有任何建议,将不胜感激
模板如下所示:
groupedSKUAttributes = {colour: [{id: 1, name: 'colour', value: 'red'},
{id: 2, name: 'colour', value: 'blue'}],
size: [{id: 3, name: 'size', value: '40'},
{id: 4, name: 'size', value: '42'}]}
<template>
<div>
<select
v-for='(attribute, attributeName) in groupedSKUAttributes'
:key='attribute'
@change='update(attributeName, $event.target.value)'>
<option value='null' selected>select a {{ attributeName }}</option>
<option
v-for='a in attribute'
:value='a.id'
:label='a.value'
:key='a.id'>
</option>
</select>
</div>
<button @click='clear'>clear</button>
</template>
<script>
export default {
name: 'app',
data() {
return {
groupedSKUAttributes: null,
}
},
methods: {
clear() {
console.log('clear');
},
update(attributeName, attributeValue) {
console.log(attributeName, attributeValue);
},
getSKUAttributes() {
API
.get('/sku_attribute/get')
.then((res) => {
this.skuAttributes = res.data;
this.groupedSKUAttributes = this.groupBy(this.skuAttributes, 'name');
})
.catch((error) => {
console.error(error);
});
},
},
created() {
this.getSKUAttributes();
}
}
</script>
选择一个{{attributeName}
清楚的
JS脚本如下所示:
groupedSKUAttributes = {colour: [{id: 1, name: 'colour', value: 'red'},
{id: 2, name: 'colour', value: 'blue'}],
size: [{id: 3, name: 'size', value: '40'},
{id: 4, name: 'size', value: '42'}]}
<template>
<div>
<select
v-for='(attribute, attributeName) in groupedSKUAttributes'
:key='attribute'
@change='update(attributeName, $event.target.value)'>
<option value='null' selected>select a {{ attributeName }}</option>
<option
v-for='a in attribute'
:value='a.id'
:label='a.value'
:key='a.id'>
</option>
</select>
</div>
<button @click='clear'>clear</button>
</template>
<script>
export default {
name: 'app',
data() {
return {
groupedSKUAttributes: null,
}
},
methods: {
clear() {
console.log('clear');
},
update(attributeName, attributeValue) {
console.log(attributeName, attributeValue);
},
getSKUAttributes() {
API
.get('/sku_attribute/get')
.then((res) => {
this.skuAttributes = res.data;
this.groupedSKUAttributes = this.groupBy(this.skuAttributes, 'name');
})
.catch((error) => {
console.error(error);
});
},
},
created() {
this.getSKUAttributes();
}
}
</script>
导出默认值{
名称:“应用程序”,
数据(){
返回{
groupedSKUAttributes:空,
}
},
方法:{
清除(){
console.log('clear');
},
更新(attributeName、attributeValue){
日志(attributeName,attributeValue);
},
getSKUAttributes(){
美国石油学会
.get('/sku_属性/get')
。然后((res)=>{
this.skuAttributes=res.data;
this.groupedSKUAttributes=this.groupBy(this.skuAttributes,'name');
})
.catch((错误)=>{
控制台错误(error);
});
},
},
创建(){
这是.getSKUAttributes();
}
}
v-model
指令在v-for中工作,没有任何问题
<script>
export default {
name: 'app',
data() {
return {
groupedSKUAttributes: null,
selected: {}
}
},
methods: {
clear() {
this.generateDefaultSelected(this.generateDefaultSelected);
},
update(attributeName, attributeValue) {
this.selected[attributeName] = attributeValue;
},
getSKUAttributes() {
API
.get('/sku_attribute/get')
.then((res) => {
this.skuAttributes = res.data;
this.groupedSKUAttributes = this.groupBy(this.skuAttributes, 'name');
// Call this method to reset v-model
this.generateDefaultSelected(this.groupedSKUAttributes);
})
.catch((error) => {
console.error(error);
});
},
generateDefaultSelected(groupedSKUAttributes) {
// Reset the object that maintains the v-model reference;
this.selected = {};
Object.keys(groupedSKUAttributes).forEach((name) => {
// Or, set it to the default value, you need to select
this.selected[name] = '';
});
}
},
created() {
this.getSKUAttributes();
}
}
</script>