SimpleDateFormat 12小时制以及24小时制的写法

有些代码按了复制键没有效果，但是其实已经复制到剪贴板上面了，大家请注意哦！

我的文章有时会稍有修改，转载请注明出处哦！

去代码

[java] view plain copy

package com.test;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* SimpleDateFormat12小时和24小时制测试类
* @author 水山清风
*
*/
public class SimpleDateFormatTest {
/**
* @param args
*/
public static void main(String[] args) {
String sTime = "2010-11-02";// 开始时间
String eTime = "2010-11-10";// 结束时间
sTime += " 00:00"; //2010-11-02 00:00
eTime += " 23:59"; //2010-11-10 23:59
Date now = new Date();
SimpleDateFormat format12 = new SimpleDateFormat("yyyy-MM-dd hh:mm");
SimpleDateFormat format24 = new SimpleDateFormat("yyyy-MM-dd HH:mm");
try {
//12小时制
//12小时制format sTime = 2010-11-02 12:00
System.out.println("12小时制format sTime = " + format12.format(format12.parse(sTime)));
//12小时制format eTime = 2010-11-10 11:59
System.out.println("12小时制format eTime = " + format12.format(format24.parse(eTime)));
//24小时制
//24小时制format sTime = 2010-11-02 00:00
System.out.println("24小时制format sTime = " + format24.format(format12.parse(sTime)));
//24小时制format eTime = 2010-11-10 23:59
System.out.println("24小时制format eTime = " + format24.format(format24.parse(eTime)));
//在这种情况下format12.parse()和format24.parse()是一样的
//12小时制
//Tue Nov 02 14:00:00 GMT+08:00 2010
System.out.println(format12.parse("2010-11-02 14:00"));
//24小时制
//Tue Nov 02 14:00:00 GMT+08:00 2010
System.out.println(format24.parse("2010-11-02 14:00"));
} catch (ParseException e) {
e.printStackTrace();
}
}
}