这是一种方法。这是来自https://github.com/calitek/ReactPatterns React.13.Common/FormInputs。
jInput.js
import React, {Component} from 'react';
class JInputRender extends Component {
binder(...methods) { methods.forEach( (method) => this[method] = this[method].bind(this) ); }
render() {
var inputSty = this.props.input.style ? this.props.input.style : {color: 'red'};
var textValue = this.state.textValue;
var colorValue = this.props.input.colorValue ? this.props.input.colorValue : '#1A3212';
var checkedValue = (this.props.input.checkedValue != null) ? this.props.input.checkedValue : false;
var numberValue = this.props.input.numberValue ? this.props.input.numberValue : 0;
var radioValue = this.props.input.radioValue ? this.props.input.radioValue : '';
var radioChecked = (this.props.input.radioChecked != null) ? this.props.input.radioChecked : false;
var min = this.props.input.min ? this.props.input.min : 0;
var max = this.props.input.max ? this.props.input.max : 100;
var step = this.props.input.step ? this.props.input.step : 1;
var inputType = this.props.input.type ? this.props.input.type : 'text';
var returnRadio = (
<input
type={inputType}
ref='inputRef'
style={inputSty}
checked={radioChecked}
value={radioValue}
onChange={this.handleValueChange} />
)
var returnChecked = (
<input
type={inputType}
ref='inputRef'
style={inputSty}
checked={checkedValue}
onChange={this.handleCheckedChange} />
)
var returnColor = (
<input
type={inputType}
ref='inputRef'
style={inputSty}
value={colorValue}
onChange={this.handleValueChange} />
)
var returnNumber = (
<input
type={inputType}
ref='inputRef'
style={inputSty}
value={numberValue}
min={min} max={max} step={step}
onChange={this.handleValueChange} />
)
var returnText = (
<input
type={inputType}
ref='inputRef'
style={inputSty}
value={textValue}
onChange={this.handleTextValueChange} />
)
var returnIt;
switch (inputType) {
case 'checkbox': returnIt = returnChecked; break;
case 'radio': returnIt = returnRadio; break;
case 'color': returnIt = returnColor; break;
case 'number':
case 'range': returnIt = returnNumber; break;
default: returnIt = returnText; break;
}
return (returnIt);
}
}
export default class JInput extends JInputRender {
constructor() {
super();
this.state = {textValue: ''};
this.binder('handleCheckedChange', 'handleTextValueChange', 'handleValueChange');
}
componentDidMount() {
if (this.props.input.textValue) this.setState({textValue: this.props.input.textValue});
if (this.props.input.focus) React.findDOMNode(this.refs.inputRef).focus();
}
componentWillReceiveProps(nextProps) {
if (nextProps.input.textValue && (this.state.textValue != nextProps.input.textValue))
{this.setState({textValue: nextProps.input.textValue});}
}
handleCheckedChange(event) { this.props.handleChange(this.props.input.name, event.target.checked); }
handleTextValueChange(event) {
var newValue = event.target.value;
this.setState({textValue: newValue});
this.props.handleChange(this.props.input.name, newValue);
}
handleValueChange(event) { this.props.handleChange(this.props.input.name, event.target.value); }
}
应用程序.ctrl.js。只需跳过 JRadioGroup 的内容。
import React, {Component} from 'react';
import Actions from './../flux/Actions';
import JInput from './common/jInput';
import JRadioGroup from './common/jRadioGroup';
import BasicStore from './../flux/Basic.Store';
var AppCtrlSty = {
height: '100%',
padding: '0 10px 0 0'
}
var checkBoxSty = {
boxSizing: 'border-box',
display: 'inline-block',
lineHeight: '18px',
marginLeft: '2px',
outline: 'none',
position: 'relative'
};
var radioSty = {color: "blue"}
var input3Sty = {color: 'green'};
var inputLabel = {margin: '0 5px'};
var textInput1 = {name: 'text', type: 'text', textValue: '', focus: true};
var checkInput1 = {name: 'checkbox', type: 'checkbox', style: checkBoxSty};
var colorInput = {name: 'color', type: 'color'};
var numberInput = {name: 'number', type: 'number', min: 0, max: 100};
var rangeInput = {name: 'range', type: 'range', min: 0, max: 100};
var radioInput1 = {name: 'radioGroup', type: 'radio', radioValue: 'set'};
var radioInput2 = {name: 'radioGroup', type: 'radio', radioValue: 'setkey'};
var radioInput3 = {name: 'radioGroup', type: 'radio', radioValue: 'key'};
class AppCtrlRender extends Component {
binder(...methods) { methods.forEach( (method) => this[method] = this[method].bind(this) ); }
render() {
var inputData = this.state.data;
textInput1.textValue = inputData.text;
checkInput1.checkedValue = inputData.checkbox;
colorInput.colorValue = inputData.color;
numberInput.numberValue = inputData.number;
rangeInput.numberValue = inputData.range;
radioInput1.radioChecked = inputData.radioGroup == 'set';
radioInput2.radioChecked = inputData.radioGroup == 'setkey';
radioInput3.radioChecked = inputData.radioGroup == 'key';
var selected = inputData.checkbox ? 'true' : 'false';
var radioGroupName1 = 'key1'; //must be distinct for each use of JRadioGroup
var radioValue = inputData.radioGroup;
return (
<div id='AppCtrlSty' style={AppCtrlSty}>
React 1.3 Form input<br/><br/>
Text: <JInput input={textInput1} handleChange={this.handleValueChange} /><br/><br/>
Checkbox: <JInput input={checkInput1} handleChange={this.handleValueChange} /> Value: {selected}<br/><br/>
Color: <JInput input={colorInput} handleChange={this.handleValueChange} /> Value: {colorInput.colorValue}<br/><br/>
Number: <JInput input={numberInput} handleChange={this.handleValueChange} /> Value: {numberInput.numberValue}<br/><br/>
Range: <JInput input={rangeInput} handleChange={this.handleValueChange} /> Value: {rangeInput.numberValue}<br/><br/>
<JRadioGroup name={radioGroupName1} value={radioValue} ref="keyGroup" onChange={this.handleRadioChange}>
<div>Radio Group:
<label id='inputLabel1' style={inputLabel}>
<input type="radio" value="set" /> Set
</label>
<label id='inputLabel2' style={inputLabel}>
<input type="radio" value="setkey"/> Set/Key
</label>
<label id='inputLabel3' style={inputLabel}>
<input type="radio" value="key"/> Key
</label>
</div>
</JRadioGroup><br/><br/>
Radio Input:
<JInput input={radioInput1} handleChange={this.handleValueChange} /> Set
<JInput input={radioInput2} handleChange={this.handleValueChange} /> Set/Key
<JInput input={radioInput3} handleChange={this.handleValueChange} /> Key
Value: {radioValue}
</div>
);
}
}
function getState() { return {data: BasicStore.getData()}; };
export default class AppCtrl extends AppCtrlRender {
constructor() {
super();
this.state = getState();
this.binder('storeDidChange', 'handleValueChange', 'handleRadioChange');
}
componentDidMount() {
this.unsubscribe = BasicStore.listen(this.storeDidChange);
}
componentWillUnmount() { this.unsubscribe(); }
storeDidChange() { this.setState(getState()); }
handleRadioChange(event) { Actions.editRecord('type', event.target.value); }
handleValueChange(name, value) { Actions.editRecord(name, value); }
}