cascader.vue
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<template>
<Row>
<i-col span="4">
<Button @click="handleLoad">load</Button>
{{ v1 }}
</i-col>
<i-col span="4">
<Cascader :data="data3" filterable v-model="v1"></Cascader>
<!--<Cascader :data="data2" filterable v-model="v1" :loadData="loadData"></Cascader>-->
</i-col>
</Row>
</template>
<script>
export default {
data () {
return {
v1: [],
data2: [
{
value: 'zhejiang',
label: '浙江',
children: [],
loading: false
},
{
value: 'jiangsu',
label: '江苏',
children: [{
value: 'nanjing',
label: '南京',
children: [{
value: 'zhonghuamen',
label: '中华门'
}]
}]
}
],
data3: [{
value: 'beijing',
label: '北京',
children: [
{
value: 'gugong',
label: '故宫'
},
{
value: 'tiantan',
label: '天坛'
},
{
value: 'wangfujing',
label: '王府井'
}
]
}, {
value: 'jiangsu',
label: '江苏',
children: [
{
value: 'nanjing',
label: '南京',
children: [
{
value: 'fuzimiao',
label: '夫子庙',
}
]
},
{
value: 'suzhou',
label: '苏州',
children: [
{
disabled: true,
value: 'zhuozhengyuan',
label: '拙政园',
},
{
value: 'shizilin',
label: '狮子林',
}
]
}
],
}]
}
},
methods: {
handleLoad () {
this.data2[0].loading = !this.data2[0].loading;
},
loadData (item, cb) {
item.loading = true;
setTimeout(() => {
if (item.value === 'zhejiang') {
item.children = [
{
value: 'hangzhou',
label: '杭州',
loading: false,
children: []
}
];
} else if (item.value === 'hangzhou') {
item.children = [
{
value: 'ali',
label: '阿里巴巴'
}
];
}
item.loading = false;
cb();
}, 1000);
}
}
}
</script>