Angular 将字符串转换为日期问题
我想为angular2创建一个管道,代码如下:Angular 将字符串转换为日期问题,angular,typescript,Angular,Typescript,我想为angular2创建一个管道,代码如下: @Pipe({name: 'stringToDate'}) export class StringToDatePipe implements PipeTransform { /** * Constructor */ constructor() { } /** * Transform a date that is passed as string into a date * @p
@Pipe({name: 'stringToDate'})
export class StringToDatePipe implements PipeTransform {
/**
* Constructor
*/
constructor() {
}
/**
* Transform a date that is passed as string into a date
* @param value The date passed as string
* @returns {Date} The Date object
*/
transform(value: string): Date {
console.log(value);
let d = new Date(value);
console.log(d);
return d;
}
}
我不知道为什么它不能创建正确的日期。这是console打印的内容:
2016-01-01
Thu Dec 31 2015 21:00:00 GMT-0300
如何修复它?可能的解决方案:
@Pipe({name: 'stringToDate'})
export class StringToDatePipe implements PipeTransform {
/**
* Constructor
*/
constructor() {
}
/**
* Transform a date that is passed as string into a date
* @param value The date passed as string
* @returns {Date} The Date object
*/
transform(value: string): Date {
let reggie = /(\d{4})-(\d{2})-(\d{2})/;
let dateArray = reggie.exec(value);
let dateObject = new Date(
(+dateArray[1]),
((+dateArray[2])) - 1, // Careful, month starts at 0!
(+dateArray[3])
);
return dateObject;
}
}
日期对象与日期字符串不同看起来像一个dup发生的事情是,您将日期作为
yyyy-mm-dd
字符串,而新日期(值)
将日期字符串转换为date
对象。然后,当日期
对象记录到控制台时,它将在当前时区中格式化。由于原始字符串未指定时区,Date()
函数假定为GMT。因此,Date对象包含2016-01-01 GMT时间,并显示为GMT-03时间——这是您电脑的时区吗?是的,这是我电脑的时区。看看我的答案,这是一个好方法吗?