[英]How to get date from Date Picker and show in the table? Material-UI. ReactJS
我使用Material-UI中的Date Picker組件來實現React JS。 我想在桌子上顯示所選日期。 日期是一個對象,我嘗試在表格行中顯示時出錯。 這該怎么做?
import React, { Component } from 'react';
import DatePicker from 'material-ui/DatePicker';
import { Table, TableBody, TableHeader, TableHeaderColumn, TableRow, TableRowColumn } from 'material-ui/Table';
export default class AddTaskDialog extends Component {
constructor(props) {
super(props);
this.state = { controlledDate: {} };
this.handleChangeDate = this.handleChangeDate.bind(this);
}
handleChangeDate = (event, date) => {
this.setState({
controlledDate: date,
});
};
render() {
return (
<div>
<DatePicker hintText="Date" value={this.state.controlledDate} onChange={this.handleChangeDate}/>
<Table>
<TableHeader>
<TableRow>
<TableHeaderColumn>Date</TableHeaderColumn>
</TableRow>
</TableHeader>
<TableBody>
<TableRow>
<TableRowColumn>{this.state.controlledDate}</TableRowColumn>
</TableRow>
</TableBody>
</Table>
</div>
);
}
}
發送到handleChangeDate
處理程序的日期是object
類型。 您需要將其轉換為日期字符串才能在TableRowColumn
內呈現。
export default class AddTaskDialog extends Component {
constructor(props) {
super(props);
this.state = { controlledDate: new Date() };
this.handleChangeDate = this.handleChangeDate.bind(this);
}
handleChangeDate = (event, date) => {
this.setState({
controlledDate: date
});
};
// INSIDE RENDER
<TableRowColumn>{this.state.controlledDate.toDateString()}</TableRowColumn>
const date = new Date(); console.log(typeof date); console.log(date.toDateString());
你錯過了TableRow中的狀態。
constructor(props) {
super(props);
this.state = { controlledDate: '' };
this.handleChangeDate = this.handleChangeDate.bind(this);
}
...
render() {
...
<TableRow>
TableRowColumn>{this.state.controlledDate || New Date(Date.now())}</TableRowColumn>
</TableRow>
}
{this.state.controlledDate}
不是{this.controlledDate}
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