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element下拉框select点击某个ID,找出该id的其他值

下拉框点击事件,选择某个id找出该id的其他值

<el-form-item label="分类名">
    <el-selectv-model="form.bid_id"  @change="getName">
        <el-optionv-for="item in allList" 
        :key="item.value" 
        :label="item.name" 
        :value="item.id" placeholder="请选择分类" >
        </el-option>
    </el-select>
 </el-form-item>


getName(vId) {
    let obj = {};
    obj = this.allList.find(item => {//这里的allList就是上面遍历的数据源
    return item.id === vId;//筛选出匹配数据
    });
    this.form.bid_name = obj.name;//我这边的name就是对应label的
    
    // console.log(obj.name);
    },  

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