cascader.vue
3.92 KB
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<template>
<div style="margin: 100px;width: 200px;">
{{ value }}
<Cascader v-model="value" :data="data" change-on-select></Cascader>
<Button @click="change">change</Button>
</div>
</template>
<script>
export default {
data () {
return {
value: [],
data: [{
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: [
{
value: 'zhuozhengyuan',
label: '拙政园',
},
{
value: 'shizilin',
label: '狮子林',
}
]
}
],
}]
}
},
methods: {
change () {
this.data = [{
value: 'beijing2',
label: '北京',
children: [
{
value: 'gugong2',
label: '故宫'
},
{
value: 'tiantan2',
label: '天坛'
},
{
value: 'wangfujing2',
label: '王府井'
}
]
}, {
value: 'jiangsu2',
label: '江苏',
children: [
{
value: 'nanjing2',
label: '南京',
children: [
{
value: 'fuzimiao2',
label: '夫子庙',
}
]
},
{
value: 'suzhou2',
label: '苏州',
children: [
{
value: 'zhuozhengyuan2',
label: '拙政园',
},
{
value: 'shizilin2',
label: '狮子林',
}
]
}
],
}];
this.$nextTick(() => {
this.value = ['beijing2', 'tiantan2'];
});
}
}
}
</script>