JAVA实现UTC时间转换成北京时间

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;


/**
 * Created by LiChao on 2017/11/23
 */
public class RegexTest {

    public static void main(String args[]) throws ParseException {

        UTCToCST("2017-11-27T03:16:03.944Z", "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
    }

    public static void UTCToCST(String UTCStr, String format) throws ParseException {
        Date date = null;
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        date = sdf.parse(UTCStr);
        System.out.println("UTC时间: " + date);
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR, calendar.get(Calendar.HOUR) + 8);
        //calendar.getTime() 返回的是Date类型，也可以使用calendar.getTimeInMillis()获取时间戳
        System.out.println("北京时间: " + calendar.getTime());
    }

}