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element el-cascader el-select @change expand-change自定义参数传递和接收


方法一:

参数传递

<el-cascader v-model="value" :options="List"  @expand-change="handleChange($event,'222')" />
<el-cascader v-model="value" :options="List"  @change="handleChange($event,'222')" />

参数接收

handleChange(value, path) => {
console.log('value', value)
console.log('path', path)
)

select一样用法

方法二

<el-cascader v-model="value" :options="List"  @expand-change="(val)=>handleChange(val,'222')" />
<el-cascader v-model="value" :options="List"  @change="(val)=>handleChange(val,'222')" />

接收同上

小记基础


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