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React动态生成table
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| /** | |
| * 引用React | |
| */ | |
| import React from 'react'; | |
| var DOM = React.DOM; | |
| var table = DOM.table; | |
| var tbody = DOM.tbody; | |
| var tr = DOM.tr; | |
| var td = DOM.td; | |
| /** | |
| * 使用DOM工厂方法创建Table | |
| */ | |
| class Table extends React.Component{ | |
| render() { | |
| return table(null,tbody({ | |
| children: this.props.datas.map(function (data) { | |
| return tr(null, | |
| td(null, data.name), | |
| td(null, data.age), | |
| td(null, data.gender) | |
| ); | |
| }) | |
| })); | |
| } | |
| } | |
| /** | |
| * 输出组件 | |
| */ | |
| export default class CTable extends React.Component{ | |
| constructor(props){ | |
| super(props); | |
| this.state = { | |
| datas : [ | |
| { | |
| 'name': 'foo', | |
| 'age': 23, | |
| 'gender': 'male' | |
| }, | |
| { | |
| 'name': 'bar', | |
| 'age': 25, | |
| 'gender': 'female' | |
| }, | |
| { | |
| 'name': 'alice', | |
| 'age': 34, | |
| 'gender': 'male' | |
| } | |
| ] | |
| } | |
| } | |
| render() { | |
| return ( | |
| <div> | |
| <Table datas = {this.state.datas} /> | |
| </div> | |
| ) | |
| } | |
| } |
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| import React from 'react'; | |
| /** | |
| * 输出组件 | |
| */ | |
| export default class Table extends React.Component{ | |
| constructor(props){ | |
| super(props); | |
| this.state = { | |
| data: [ | |
| { | |
| un: 'Jacky', | |
| phone: '13566668888', | |
| age: 21 | |
| }, | |
| { | |
| un: 'Mary', | |
| phone: '13222223333', | |
| age: 20 | |
| } | |
| ] | |
| } | |
| } | |
| render() { | |
| return ( | |
| <div> | |
| <table> | |
| <thead> | |
| <tr> | |
| <th>序号</th> | |
| <th>用户名</th> | |
| <th>手机号</th> | |
| <th>年龄</th> | |
| </tr> | |
| </thead> | |
| <Tbody data={this.state.data}/> | |
| </table> | |
| </div> | |
| ) | |
| } | |
| } | |
| /** | |
| * tbody | |
| * 关键点是使用props来传递单向数据流。通过遍历从`props传来的数据data`生成表格的每一行数据 | |
| */ | |
| class Tbody extends React.Component{ | |
| render() { | |
| return ( | |
| <tbody> | |
| {this.props.data.map(function (user, index) { | |
| return <Item data={user} key={user.phone} index={index}/> | |
| })} | |
| </tbody> | |
| ) | |
| } | |
| } | |
| /** | |
| * td | |
| * 每一行都需设置unique "key" prop | |
| */ | |
| class Item extends React.Component{ | |
| render() { | |
| var key = this.props.key; | |
| var index = this.props.index; | |
| var data = this.props.data; | |
| return ( | |
| <tr key={key}> | |
| <td >{index + 1}</td> | |
| <td>{data.un}</td> | |
| <td>{data.phone}</td> | |
| <td>{data.age}</td> | |
| </tr> | |
| ) | |
| } | |
| } |
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