<select class="select" v-on:change="indexSelect($event)" v-model="pcNum">
<option v-for="(item, index) in pcArr" :key="index" v-bind:value="item.pcNum">{
{
item.pcNum }}</option>
</select>
js:
data() {
return {
pcNum:'PC20200924',
pcArr:[
{
id:1, pcNum: 'PC20200924'},
{
id:2, pcNum: 'PC20200925'},
{
id:3, pcNum: 'PC20200926'}
],
}
},
methods:{
indexSelect(e){
console.log(e)
console.log(e.target.selectedIndex) // 选择项的index索引
console.log(e.target.value) // 选择项的value,也就是v-bind:value 的绑定值,如果换成 v-bind:value="item.id",则打印的是 选中项的id
}
}
Extension: Get the other values of the item selected in the drop-down box, such as the English name bluerose when the blue demon is selected
<select class="select select2" @change="classSelect($event)" v-model="classs">
<option v-for="(item, index) in classsArr" :key="index" v-bind:value="item.name">{
{
item.name }}</option>
</select>
js:
data() {
return {
classs:'',
classsArr: [{
name: "蓝色妖姬", table: "bluerose"}, {
name: "烟叶",table: "tobaccoleaf"},{
name: "佛手瓜", table: "chayote"}]
};
},
methods: {
classSelect(e){
var table=''
for (var i in this.classsArr) {
i=e.target.selectedIndex
table=this.classsArr[i].table
}
console.log(table)
},
}