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This is a React search selection control that supports complex data selection callbacks. The selected data is an object, and this object is user-defined and supports setting and emptying operations. There is also an important feature that introduces a react-virtualized control that solves the problem of rendering jams in millions of data source scenarios.
npm install rc-searchselect --save-dev
mport React from 'react'
import { SearchSelect } from 'rc-searchselect'
class App extends React.Component {
constructor(props) {
super(props)
this.state = {
obj: null,
item: null
}
}
onSelect (item) {
console.log('select item>>>', item)
this.setState({
item
})
}
render () {
const dataList = [
{code: "1", name: 'Jeck', age: 22, sex: 'male' },
{code: "2", name: 'Marry', age: 21, sex: 'female' },
{code: "3", name: 'Alan', age: 18, sex: 'male' },
{code: "4", name: 'Forklin', age: 22, sex: 'female' },
{code: "5", name: 'Lorry', age: 20, sex: 'female' },
{code: "6", name: 'Halen', age: 25, sex: 'female' },
{code: "7", name: 'Selina', age: 24, sex: 'female' },
{code: "8", name: 'Sky', age: 22, sex: 'male' },
{code: "9", name: 'Sam', age: 26, sex: 'male' },
{code: "10", name: 'Gary', age: 22, sex: 'female' }
]
return (
<div style={{width: 300}}>
<div>
<SearchSelect
dataSource={dataList}
onSelect={this.onSelect.bind(this)}
placeholder="input search text"
keyField="code"
labelField="name"
/>
</div>
<br/>
<div style={{fontSize: 12, color: '#9E9E9E'}}>选择的数据:{JSON.stringify(this.state.item)}</div>
</div>
)
}
}
mport React from 'react'
import { SearchSelect } from 'rc-searchselect'
class App extends React.Component {
constructor(props) {
super(props)
this.state = {
obj: null,
item: null
}
}
onSelect (item) {
console.log('select item>>>', item)
this.setState({
item
})
}
setVal () {
let label = '广东省广州市天河区'
console.log('set label>>>', label)
this.setState({
obj: {id: Date.now(), label}
})
}
clearVal () {
console.log('clear value')
this.setState({
obj: {id: Date.now(), label: null}
})
}
render () {
const dataList = [
{id: 1, ids: '100,200,3000', value: '北京,北京市,朝阳区', name: '北京北京市朝阳区',label: '北京北京市朝阳区(100102)',zipCOde: '100102'},
{id: 2, ids: '101,201,3100', value: '广东省,广州市,天河区', name: '广东省广州市天河区',label: '广东省广州市天河区(510095)',zipCOde: '510095'},
{id: 3, ids: '102,202,3200', value: '广东省,广州市,越秀区', name: '广东省广州市越秀区',label: '广东省广州市越秀区(510095)',zipCOde: '510095'},
{id: 4, ids: '103,203,3300', value: '江苏省,南京市,玄武区', name: '江苏省南京市玄武区',label: '江苏省南京市玄武区(210009)',zipCOde: '210009'},
{id: 5, ids: '104,204,3400', value: '江苏省,苏州市,昆山市', name: '江苏省苏州市昆山市',label: '江苏省苏州市昆山市(215332)',zipCOde: '215332'},
{id: 6, ids: '105,205,3500', value: '浙江省,浙江省,西湖区', name: '浙江省浙江省西湖区',label: '浙江省杭州市西湖区(310024)',zipCOde: '310024'},
{id: 7, ids: '106,206,3600', value: '浙江省,杭州市,滨江区', name: '浙江省杭州市滨江区',label: '浙江省杭州市滨江区(310051)',zipCOde: '310051'},
{id: 8, ids: '107,207,3700', value: '浙江省,浙江省,上城区', name: '浙江省浙江省上城区',label: '浙江省杭州市上城区(310008)',zipCOde: '310008'},
{id: 9, ids: '108,208,3800', value: '浙江省,浙江省,萧山区', name: '浙江省浙江省萧山区',label: '浙江省杭州市萧山区(311203)',zipCOde: '311203'},
{id: 10, ids: '109,209,3900', value: '浙江省,浙江省,余杭区', name: '浙江省浙江省余杭区',label: '浙江省杭州市余杭区(311100)',zipCOde: '311100'}
]
return (
<div style={{width: 300, marginTop: 400, marginLeft: 200}}>
<div>
<SearchSelect
dataSource={dataList}
onSelect={this.onSelect.bind(this)}
setValueObj={this.state && this.state.obj}
placeholder="input search text"
keyField="id"
labelField="label"
direction='up'
/>
</div>
<br/>
<button onClick={this.setVal.bind(this)}>设定</button>
<button onClick={this.clearVal.bind(this)}>重置</button>
<br />
<div style={{fontSize: 12, color: '#9E9E9E'}}>选择的数据:{JSON.stringify(this.state.item)}</div>
</div>
)
}
}
props | description | type | default | isRequire |
---|---|---|---|---|
dataSource | the data source | array | [] | Y |
keyField | the data source object unique field,e.g ID | string | '' | Y |
labelField | the data source object field, the displayed field in the drop-down box | string | '' | Y |
onSelect | the selected callback function | function | (e)=>{} | N |
defaultValue | default value | object | null | N |
setValueObj | set the value object, used to set or clear the operation, must contain {id, label} two fields, only the current operation (set value or empty) will take effect when the id changes, id is best set to timestamp, e.g the clear operation {id: Date.now(), label: '' } | object | null | N |
onChange | the input box change callback function | function | (e)=>{} | N |
direction | the display position of the drop-down box, above or below the input box | enum['up','down'] | 'down' | N |
placeholder | the placeholder of the component | string | '' | N |
dropdwonHeight | the maximum height of the drop-down list | number | 200 | N |
isSensitiveCase | is it case sensitive when searching for letters | bool | True | N |