<el-select v-model="listOption.brand" filterable placeholder="品牌名称" :filter-method="brandKeyChange">
<el-option
v-for="item in BrandListData"
:key="item.id"
:label="item.brand"
:value="item.brand">
</el-option>
</el-select>
filter-method在输入时触发
brandKeyChange:function(inputKey){
//inputKey为当前输入的数据
this.gob.getBrandListData(this,inputKey,(list)=>{//根据输入的数据请求,得到的结果作为渲染的下拉数据
this.BrandListData=list;
})
},