cascader.vue
2.06 KB
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<template>
<Row>
<i-col span="4">
<Button @click="handleLoad">load</Button>
</i-col>
<i-col span="6">
<!--<Cascader :data="data2" v-model="v1" change-on-select></Cascader>-->
<Cascader :data="data2" 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'
}]
}]
}]
}
},
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>