dateTime: Date;

this.dataTime = new Date(); //  获取当前日期

// Wed Apr 18 2018 10:54:47 GMT+0800 (中国标准时间)

console.log('orderdate:', this.OrderDate);

        console.log('toISOString:', this.OrderDate.toISOString());

        console.log('toDateString:', this.OrderDate.toDateString());

        console.log('toUTCString:', this.OrderDate.toUTCString());

        console.log('toJSON:', this.OrderDate.toJSON());

        console.log('toLocaleDateString:', this.OrderDate.toLocaleDateString());

        console.log('toLocaleString:', this.OrderDate.toLocaleString());

        console.log('toLocaleTimeString:', this.OrderDate.toLocaleTimeString());

        console.log('toString:', this.OrderDate.toString());

        console.log('toTimeString:', this.OrderDate.toTimeString());

        //  输出结果:

        //  toISOString: 2017-12-07T16:33:01.843Z

        //  toDateString: Fri Dec 08 2017

        //  toUTCString: Thu, 07 Dec 2017 16:33:01 GMT

        //  toJSON: 2017-12-07T16:33:01.843Z

        //  toLocaleDateString: 2017/12/8

        //  toLocaleString: 2017/12/8 上午12:33:01

        //  toLocaleTimeString: 上午12:33:01

        //  toString: Fri Dec 08 2017 00:33:01 GMT+0800 (中国标准时间)

        //  toTimeString: 00:33:01 GMT+0800 (中国标准时间)

前台html页面日期格式化： 

{{ dateTime | date:'yyyy-MM-dd HH:mm:ss'}}

{{ dateTime | date:'medium' }}

{{ dateTime | date:'short' }}

{{ dateTime | date:'fullDate' }}

{{ dateTime | date:'longDate' }}

{{ dateTime | date:'mediumDate' }}

{{ dateTime | date:'shortDate' }}

{{ dateTime | date:'mediumTime' }}

{{ dateTime | date:'shortTime' }}