Javascript ReactJs-列表组件中的嵌套列表组件
您好,我想在列表组件中嵌套一个列表组件。第一个列表是选项组列表,它的每个项都有一个选项列表。我认为问题来自嵌套指示器箭头。我找不到同样的例子Javascript ReactJs-列表组件中的嵌套列表组件,javascript,reactjs,Javascript,Reactjs,您好,我想在列表组件中嵌套一个列表组件。第一个列表是选项组列表,它的每个项都有一个选项列表。我认为问题来自嵌套指示器箭头。我找不到同样的例子 var IndicatorRow = React.createClass({ render: function() { var indicators = []; for (var key in this.props.indicatorsOfGroup) { indicators.push( <option value={ke
var IndicatorRow = React.createClass({
render: function() {
var indicators = [];
for (var key in this.props.indicatorsOfGroup) {
indicators.push( <option value={key} > {this.props.indicatorsOfGroup[key]}</option> );
}
return {indicators} ;
}
});
var IndicatorGroup = React.createClass({
render : function(){
var indicatorsGroup = [];
for (var key in this.props.indicatorsGroups) {
var indicatorsOfGroup = this.props.indicatorsGroups[key].indicators;
indicatorsGroup.push(
<optgroup label={key}>
<IndicatorRow indicatorsOfGroup={indicatorsOfGroup}/>
</optgroup> );
}
return ( <select>
{indicatorsGroup}
</select> );
}
});
ReactDOM.render(
<form>
<fieldset className="form-group">
<IndicatorGroup indicatorsGroups={indicatorsSelected}/>
</fieldset>
</form>
,
document.getElementById('indicators')
);
如果有任何帮助,我将不胜感激2问题:
render
键
属性var IndicatorRow = React.createClass({
render: function() {
var indicators = [];
for (var key in this.props.indicatorsOfGroup) {
indicators.push( <option key={key} value={key} > {this.props.indicatorsOfGroup[key]}</option> );
}
return (<optgroup label={key}>
{indicators}
</optgroup>);
}
});
var IndicatorGroup = React.createClass({
render: function(){
var indicatorsGroup = [];
for (var key in this.props.indicatorsGroups) {
var indicatorsOfGroup = this.props.indicatorsGroups[key].indicators;
indicatorsGroup.push(
<IndicatorRow key={key} indicatorsOfGroup={indicatorsOfGroup}/>
);
}
return (<form>
<fieldset className="form-group">
<select>
{indicatorsGroup}
</select>
</fieldset>
</form>);
}
});
ReactDOM.render(
<IndicatorGroup indicatorsGroups={indicatorsSelected}/>,
document.getElementById('indicators')
);
var IndicatorRow=React.createClass({
render:function(){
var指标=[];
for(此.props.indicatorsOfGroup中的变量键){
indicators.push({this.props.indicatorsOfGroup[key]});
}
返回(
{指标}
);
}
});
变量IndicatorGroup=React.createClass({
render:function(){
var指标组=[];
for(此.props.indicatorsGroups中的变量键){
var indicatorsOfGroup=this.props.indicatorsGroups[key].indicators;
指示灯组。按下(
);
}
返回(
{indicatorsGroup}
);
}
});
ReactDOM.render(
,
document.getElementById('indicators'))
);
var IndicatorRow = React.createClass({
render: function() {
var indicators = [];
for (var key in this.props.indicatorsOfGroup) {
indicators.push( <option key={key} value={key} > {this.props.indicatorsOfGroup[key]}</option> );
}
return (<optgroup label={key}>
{indicators}
</optgroup>);
}
});
var IndicatorGroup = React.createClass({
render: function(){
var indicatorsGroup = [];
for (var key in this.props.indicatorsGroups) {
var indicatorsOfGroup = this.props.indicatorsGroups[key].indicators;
indicatorsGroup.push(
<IndicatorRow key={key} indicatorsOfGroup={indicatorsOfGroup}/>
);
}
return (<form>
<fieldset className="form-group">
<select>
{indicatorsGroup}
</select>
</fieldset>
</form>);
}
});
ReactDOM.render(
<IndicatorGroup indicatorsGroups={indicatorsSelected}/>,
document.getElementById('indicators')
);