index.vue
1.75 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
<template>
<div class="app-container">
<el-input
v-model="filterText"
placeholder="Filter keyword"
style="margin-bottom: 30px"
/>
<el-tree
ref="tree2"
:data="data2"
:props="defaultProps"
:filter-node-method="filterNode"
class="filter-tree"
default-expand-all
/>
</div>
</template>
<script>
export default {
data() {
return {
filterText: "",
data2: [
{
id: 1,
label: "Level one 1",
children: [
{
id: 4,
label: "Level two 1-1",
children: [
{
id: 9,
label: "Level three 1-1-1",
},
{
id: 10,
label: "Level three 1-1-2",
},
],
},
],
},
{
id: 2,
label: "Level one 2",
children: [
{
id: 5,
label: "Level two 2-1",
},
{
id: 6,
label: "Level two 2-2",
},
],
},
{
id: 3,
label: "Level one 3",
children: [
{
id: 7,
label: "Level two 3-1",
},
{
id: 8,
label: "Level two 3-2",
},
],
},
],
defaultProps: {
children: "children",
label: "label",
},
};
},
watch: {
filterText(val) {
this.$refs.tree2.filter(val);
},
},
methods: {
filterNode(value, data) {
if (!value) return true;
return data.label.indexOf(value) !== -1;
},
},
};
</script>