|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
<template>
<a-tree-select
allowClear
labelInValue
style="width: 100%"
:disabled="disabled"
:dropdownStyle="{ maxHeight: '400px', overflow: 'auto' }"
:placeholder="placeholder"
:loadData="asyncLoadTreeData"
:value="treeValue"
:treeData="treeData"
:multiple="multiple"
@change="onChange">
</a-tree-select>
</template>
<script>
|
|
18
|
import {getAction} from '@/api/manage'
|
|
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
|
export default {
name: 'JCategorySelect',
props: {
value: {
type: String,
required: false
},
placeholder: {
type: String,
default: '请选择',
required: false
},
disabled: {
type: Boolean,
default: false,
required: false
},
condition: {
type: String,
default: '',
required: false
},
// 是否支持多选
multiple: {
type: Boolean,
default: false,
},
loadTriggleChange: {
type: Boolean,
default: false,
required: false
},
pid: {
type: String,
default: '',
required: false
},
pcode: {
type: String,
default: '',
required: false
},
back: {
type: String,
default: '',
required: false
}
},
data() {
return {
treeValue: "",
treeData: [],
url: "/sys/category/loadTreeData",
view: '/sys/category/loadDictItem/',
tableName: "",
text: "",
code: "",
}
},
watch: {
value() {
this.loadItemByCode()
},
pcode() {
this.loadRoot();
}
},
created() {
this.validateProp().then(() => {
this.loadRoot()
this.loadItemByCode()
})
},
methods: {
/**加载一级节点 */
loadRoot() {
let param = {
pid: this.pid,
pcode: !this.pcode ? '0' : this.pcode,
condition: this.condition
|
|
101
|
}
|
|
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
getAction(this.url, param).then(res => {
if (res.success && res.result) {
for (let i of res.result) {
i.value = i.key
if (i.leaf == false) {
i.isLeaf = false
} else if (i.leaf == true) {
i.isLeaf = true
}
}
this.treeData = [...res.result]
} else {
console.log("树一级节点查询结果-else", res)
}
})
|
|
117
118
|
},
|
|
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/** 数据回显*/
loadItemByCode() {
if (!this.value || this.value == "0") {
this.treeValue = []
} else {
getAction(this.view, {ids: this.value}).then(res => {
if (res.success) {
let values = this.value.split(',')
this.treeValue = res.result.map((item, index) => ({
key: values[index],
value: values[index],
label: item
}))
this.onLoadTriggleChange(res.result[0]);
}
})
|
|
135
136
|
}
},
|
|
137
138
139
140
|
onLoadTriggleChange(text) {
//只有单选才会触发
if (!this.multiple && this.loadTriggleChange) {
this.backValue(this.value, text)
|
|
141
142
|
}
},
|
|
143
144
145
146
147
148
|
backValue(value, label) {
let obj = {}
if (this.back) {
obj[this.back] = label
}
this.$emit('change', value, obj)
|
|
149
|
},
|
|
150
151
152
153
154
155
156
|
asyncLoadTreeData(treeNode) {
return new Promise((resolve) => {
if (treeNode.$vnode.children) {
resolve()
return
}
let pid = treeNode.$vnode.key
|
|
157
|
let param = {
|
|
158
159
|
pid: pid,
condition: this.condition
|
|
160
|
}
|
|
161
162
163
|
getAction(this.url, param).then(res => {
if (res.success) {
for (let i of res.result) {
|
|
164
|
i.value = i.key
|
|
165
166
167
168
|
if (i.leaf == false) {
i.isLeaf = false
} else if (i.leaf == true) {
i.isLeaf = true
|
|
169
170
|
}
}
|
|
171
172
|
this.addChildren(pid, res.result, this.treeData)
this.treeData = [...this.treeData]
|
|
173
|
}
|
|
174
|
resolve()
|
|
175
|
})
|
|
176
177
178
179
180
181
182
183
184
185
|
})
},
addChildren(pid, children, treeArray) {
if (treeArray && treeArray.length > 0) {
for (let item of treeArray) {
if (item.key == pid) {
if (!children || children.length == 0) {
item.isLeaf = true
} else {
item.children = children
|
|
186
|
}
|
|
187
188
189
|
break
} else {
this.addChildren(pid, children, item.children)
|
|
190
191
|
}
}
|
|
192
193
|
}
},
|
|
194
|
|
|
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
onChange(value) {
if (!value) {
this.$emit('change', '');
this.treeValue = ''
} else if (Array.isArray(value)) {
let labels = []
let values = value.map(item => {
labels.push(item.label)
return item.value
})
this.backValue(values.join(','), labels.join(','))
this.treeValue = value
} else {
this.backValue(value.value, value.label)
this.treeValue = value
}
},
getCurrTreeData() {
return this.treeData
},
validateProp() {
let mycondition = this.condition
return new Promise((resolve, reject) => {
if (!mycondition) {
resolve();
|
|
220
|
} else {
|
|
221
222
223
224
225
|
try {
let test = JSON.parse(mycondition);
if (typeof test == 'object' && test) {
resolve()
} else {
|
|
226
227
228
|
this.$message.error("组件JTreeSelect-condition传值有误,需要一个json字符串!")
reject()
}
|
|
229
230
231
|
} catch (e) {
this.$message.error("组件JTreeSelect-condition传值有误,需要一个json字符串!")
reject()
|
|
232
|
}
|
|
233
234
|
}
})
|
|
235
|
}
|
|
236
237
238
239
240
|
},
//2.2新增 在组件内定义 指定父组件调用时候的传值属性和事件类型 这个牛逼
model: {
prop: 'value',
event: 'change'
|
|
241
|
}
|
|
242
|
}
|
|
243
|
</script>
|