我有以下选择字段:
<SelectField
id={quesId}
required
menuItems={opts}
style={style.selectionStyle}
className="md-cell"
defaultValue = {value}
/>
这里,opts是一个对象数组:
opts = [{id: "1", value: "1", label: "DL"},
{id: "2", value: "2", label: "UP"},
{id: "3", value: "3", label: "PB"},
{id: "4", value: "4", label: "MH"},
{id: "5", value: "5", label: "WB"},
{id: "6", value: "6", label: "KN"},
{id: "7", value: "7", label: "GJ"},
{id: "8", value: "8", label: "RJ"},
{id: "9", value: "9", label: "BR"},
{id: "10", value: "10", label: "TN"},
{id: "11", value: "11", label: "AP"},
{id: "12", value: "12", label: "TN"}]
我想要做的是将我的选择字段的默认值设置为“AP”,我传递的值是
value = {id: "11", value: "11", label: "AP"}
此处的问题是未设置选择字段的默认值。没有做什么。提前致谢
答案 0 :(得分:0)
这是你需要实现的吗?
从以下状态分配选择值:
class App extends Component {
constructor(props) {
super(props);
this.handleLangSelect = this.handleLangSelect.bind(this);
this.state = {
"lang_selected": "English"
};
}
handleLangSelect(event) {
this.setState({lang_selected:event.target.value});
}
render() {
return (
<div>
<select className="form-control" id="langSelect" value={this.state.lang_selected} onChange={this.handleLangSelect}>
<option>Others</option>
<option>French</option>
<option>English</option>
</select>
</div>
);
}
}
希望有所帮助
答案 1 :(得分:0)
根据Docs所述,该值应与菜单项itemValue
中的一个匹配,或者为空字符串。
所以你可以把它设置为:
<SelectField
id={quesId}
required
menuItems={opts}
style={style.selectionStyle}
className="md-cell"
defaultValue={opts[10].value}
/>