java实现时间与字符串之间转换 java实现时间与字符串之间转换

import java.text.SimpleDateFormat; 
import java.util.Date; 
//将long字符串转换成格式时间输出 
public class LongToString { 
public static void main(String argsp[]){ 
  String time="1256006105375"; 
 
  Date date=new Date(Long.parseLong(time)); 
  SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
  time=formatter.format(date); 
  System.out.println(time); 
} 
} 

import java.text.SimpleDateFormat; 
import java.util.Date; 
 
import ognl.ParseException; 
 
public class StringToDate { 
public static void main(String argsp[]) throws Exception{ 
  String time="2010-11-20 11:10:10"; 
 
  Date date=null; 
  SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
  date=formatter.parse(time); 
  System.out.println(date); 
} 
} 

import java.text.SimpleDateFormat; 
import java.util.Date; 
 
public class StringToDate { 
public static void main(String argsp[]) throws Exception{ 
   
  Date date=new Date(); 
  SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
  String time=formatter.format(date); 
  System.out.println(time); 
} 
} 

import java.text.SimpleDateFormat; 
import java.util.Date; 
 
public class StringToDate { 
public static void main(String argsp[]) throws Exception{ 
   
  Date date=new Date(); 
  SimpleDateFormat formatter=new SimpleDateFormat("HH:mm:ss"); 
  String time=formatter.format(date); 
  System.out.println(time); 
} 
} 

import java.text.SimpleDateFormat; 
import java.util.Date; 
 
public class StringToDate { 
public static void main(String argsp[]) throws Exception{ 
   
  String time="20101125102503"; 
  SimpleDateFormat formatter1=new SimpleDateFormat("yyyy-HH-dd HH:mm:ss"); 
  SimpleDateFormat formatter2=new SimpleDateFormat("yyyyHHddHHmmss"); 
  time=formatter1.format(formatter2.parse(time)); 
  System.out.println(time); 
} 
}