得到java时间戳 用于数据库中按时间戳查询数据

得到java时间戳 用于数据库中按时间戳查询数据

包括:今天、昨天、本周、本月、本年、选定的时间段

package test;

import java.text.DateFormat;

import java.text.SimpleDateFormat;

import java.util.Calendar;

public class DateTest {

public static long FromYear(){

Calendar nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

nowDate.set(Calendar.DAY_OF_MONTH,1);

nowDate.set(Calendar.MONTH,0);

return nowDate.getTimeInMillis()/1000;

}

public static long ToYear(){

Calendar nowDate= new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

nowDate.set(Calendar.DAY_OF_MONTH,1);

nowDate.set(Calendar.MONTH,12);

return nowDate.getTimeInMillis()/1000;

}

public static long FromMonth(){

Calendar nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

nowDate.set(Calendar.DAY_OF_MONTH,1);

return nowDate.getTimeInMillis()/1000;

}

public static long ToMonth(){

Calendar nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

nowDate.set(Calendar.DAY_OF_MONTH,1);

nowDate.add(Calendar.MONTH,1);

return nowDate.getTimeInMillis()/1000;

}

public static long FromWeek(){

Calendar nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

nowDate.set(Calendar.DAY_OF_WEEK,Calendar.MONDAY);

return nowDate.getTimeInMillis()/1000;

}

public static long ToWeek(){

Calendar nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

nowDate.set(Calendar.DAY_OF_WEEK,Calendar.MONDAY);

nowDate.add(Calendar.WEEK_OF_MONTH,1);

return nowDate.getTimeInMillis()/1000;

}

public static long FromYesterday(){

Calendar nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

nowDate.add(Calendar.DAY_OF_MONTH,-1);

return nowDate.getTimeInMillis()/1000;

}

public static long ToYesterday(){

Calendar nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

return nowDate.getTimeInMillis()/1000;

}

public static long FromToday(){

Calendar nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

return nowDate.getTimeInMillis()/1000;

}

public static long ToToday(){

Calendar nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.HOUR_OF_DAY,0);

nowDate.set(Calendar.MINUTE,0);

nowDate.set(Calendar.SECOND,0);

nowDate.set(Calendar.MILLISECOND,0);

nowDate.add(Calendar.DAY_OF_MONTH,1);

return nowDate.getTimeInMillis()/1000;

}

/**startDate 格式 2009-02-03

* startTime 格式 12:20

* */

public static long FromTime(String startDate,String startTime){

Calendar nowDate = new java.util.GregorianCalendar();

long fromtime=0;

if(!startDate.equals("")){

String []s=startDate.split("-");

nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.DAY_OF_MONTH,Integer.parseInt(s[2]));

nowDate.set(Calendar.MONTH,Integer.parseInt(s[1])-1);

nowDate.set(Calendar.YEAR,Integer.parseInt(s[0]));

String []t=startTime.split(":");

nowDate.set(Calendar.HOUR_OF_DAY,Integer.parseInt(t[0]));

nowDate.set(Calendar.MINUTE,Integer.parseInt(t[1]));

nowDate.set(Calendar.SECOND,0);

fromtime = nowDate.getTimeInMillis()/1000;

}

return fromtime;

}

/**endDate 格式 2009-02-03

* endTime 格式 12:20

* */

public static long ToTime(String endDate,String endTime){

Calendar nowDate = new java.util.GregorianCalendar();

long totime=0;

if(!endDate.equals("")){

String []s=endDate.split("-");

nowDate = new java.util.GregorianCalendar();

nowDate.set(Calendar.DAY_OF_MONTH,Integer.parseInt(s[2]));

nowDate.set(Calendar.MONTH,Integer.parseInt(s[1])-1);

nowDate.set(Calendar.YEAR,Integer.parseInt(s[0]));

String []t=endTime.split(":");

nowDate.set(Calendar.HOUR_OF_DAY,Integer.parseInt(t[0]));

nowDate.set(Calendar.MINUTE,Integer.parseInt(t[1]));

nowDate.set(Calendar.SECOND,0);

totime = nowDate.getTimeInMillis()/1000;

}

return totime;

}

//格式化时间戳，参数为秒，不需要乘以1000

public static String FormatTimeStamp(String pattern, long date) {

if(pattern.length()==0)

pattern = "yyyy-MM-dd HH:mm:ss";

java.util.Calendar nowDate = new java.util.GregorianCalendar();

nowDate.setTimeInMillis(date*1000);

DateFormat df = new SimpleDateFormat(pattern);

return df.format(nowDate.getTime());

}

public static void main(String args[]){

System.out.println("今天:");

System.out.println(FormatTimeStamp("",FromToday())+"---"+FormatTimeStamp("",ToToday()));

System.out.println("昨天:");

System.out.println(FormatTimeStamp("",FromYesterday())+"---"+FormatTimeStamp("",ToYesterday()));

System.out.println("本周:");

System.out.println(FormatTimeStamp("",FromWeek())+"---"+FormatTimeStamp("",ToWeek()));

System.out.println("本月:");

System.out.println(FormatTimeStamp("",FromMonth())+"---"+FormatTimeStamp("",ToMonth()));

System.out.println("本年:");

System.out.println(FormatTimeStamp("",FromYear())+"---"+FormatTimeStamp("",ToYear()));

System.out.println("固定时间段：2008-02-28 00:00-----2009-03-31 12:22");

System.out.println(FormatTimeStamp("",FromTime("2008-02-28","00:00"))+"---"+FormatTimeStamp("",ToTime("2009-03-31","12:22")));

}

}