getdate.java

来自「一个留言板 系统平台： JSP+SQLServer 支持开通无限个数的留言」· Java 代码 · 共 112 行

/*
 * GetDate.java
 *
 * Created on 2005年6月28日, 下午11:17
 */

package tot.util;

/**
 *
 * @author  www.tot.name
 */
import java.util.*;
import java.text.*;

public class GetDate {
    
    public GetDate(){}
    
    public static Date getNowDate() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString=formatter.format(currentTime);
        ParsePosition pos = new ParsePosition(8);
        Date currentTime_2 = formatter.parse(dateString, pos);
        return currentTime_2;
    }
    public static Date getNowDateShort() {
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString=formatter.format(currentTime);
        ParsePosition pos = new ParsePosition(8);
        Date currentTime_2 = formatter.parse(dateString, pos);
        return currentTime_2;
    }
    public static String getStringDate(){
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        return dateString;
    }
    public static String getStringDateShort(){
        Date currentTime = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(currentTime);
        return dateString;
    }
    public static Date strToDate(String strDate){
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        ParsePosition pos=new ParsePosition(0);
        Date strtodate=formatter.parse(strDate,pos);
        return strtodate;
    }
    public static String dateToStr(java.util.Date dateDate){
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(dateDate);
        return dateString;
    }
    public static Date strToBirthday(String strDate){
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        ParsePosition pos=new ParsePosition(0);
        Date strtodate=formatter.parse(strDate,pos);
        return strtodate;
    }
    public static Date getNow(){
        Date currentTime = new Date();
        return currentTime;
    }
    public static long getS(String strDate){
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        ParsePosition pos=new ParsePosition(0);
        Date strtodate=formatter.parse(strDate,pos);
        return strtodate.getTime();
    }
    
    public static Date getLastDate(long day) {
        Date date=new Date();
        long date_3_hm=date.getTime()-3600000*34*day;
        Date date_3_hm_date=new Date(date_3_hm);
        return date_3_hm_date;
    }
    /**
     *method 将字符串类型的日期转换为一个timestamp（时间戳记java.sql.Timestamp）
     *@param dateString 需要转换为timestamp的字符串
     *@return dataTime timestamp
     */
    public final static java.sql.Timestamp string2Time(String dateString)
    throws java.text.ParseException {
        DateFormat dateFormat;
        dateFormat = new SimpleDateFormat("yyyy-MM-dd kk:mm:ss.SSS", Locale.ENGLISH);//设定格式
        //dateFormat = new SimpleDateFormat("yyyy-MM-dd kk:mm:ss", Locale.ENGLISH);
        dateFormat.setLenient(false);
        java.util.Date timeDate = dateFormat.parse(dateString);//util类型
        java.sql.Timestamp dateTime = new java.sql.Timestamp(timeDate.getTime());//Timestamp类型,timeDate.getTime()返回一个long型
        return dateTime;
    }
    /**
     *method 将字符串类型的日期转换为一个Date（java.sql.Date）
     *@param dateString 需要转换为Date的字符串
     *@return dataTime Date
     */
    public final static java.sql.Date string2Date(String dateString)
    throws java.lang.Exception {
        DateFormat dateFormat;
        dateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH);
        dateFormat.setLenient(false);
        java.util.Date timeDate = dateFormat.parse(dateString);//util类型
        java.sql.Date dateTime = new java.sql.Date(timeDate.getTime());//sql类型
        return dateTime;
    }
}