Java日期格式转换-yyyy-MM-dd HH:mm:ss转换为yyyy-MM-dd

package com.utcsoft.pcapps.selfservice.controller;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class Test {

/**
* yyyy-MM-dd HH:mm:ss转换为yyyy-MM-dd
* @author 刘鹏
* @throws ParseException
*/
public String transferFormat(String inTime) throws ParseException{
SimpleDateFormat s1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
SimpleDateFormat s2 = new SimpleDateFormat("yyyy-MM-dd");
Date tempDate =null;
String outTime = null;
tempDate = s1.parse(inTime);
outTime = s2.format(s2.parse(s1.format(tempDate)));
return outTime;
}

public static void main(String[] args) throws ParseException {
Test test = new Test();
String inTime = "2014-08-13 09:20:40";
String outTime = test.transferFormat(inTime);
System.out.println(outTime);//打印结果为2014-08-13

}
}