cascader.vue
3.75 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
<template>
<Row>
<i-col span="4">
<Button @click="handleLoad">load</Button>
</i-col>
<i-col span="6">
<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: [
{
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>