Java中日期格式转换.doc

Java中日期_格式转换 2008-01-10 16:05 Java中日期格式转换 /**?? * 字符串转换为java.util.Datebr?? * 支持格式为 yyyy.MM.dd G at hh:mm:ss z 如 2002-1-1 AD at 22:10:59 PSDbr?? * yy/MM/dd HH:mm:ss 如 2002/1/1 17:55:00br?? * yy/MM/dd HH:mm:ss pm 如 2002/1/1 17:55:00 pmbr?? * yy-MM-dd HH:mm:ss 如 2002-1-1 17:55:00 br?? * yy-MM-dd HH:mm:ss am 如 2002-1-1 17:55:00 am br?? * @param time String 字符串br?? * @return Date 日期br?? */public static Date stringToDate(String time){??? SimpleDateFormat formatter;??? int tempPos=time.indexOf(AD) ;??? time=time.trim() ;??? formatter = new SimpleDateFormat (yyyy.MM.dd G at hh:mm:ss z);??? if(tempPos-1){????? time=time.substring(0,tempPos)+?????????? 公元+time.substring(tempPos+AD.length());//china????? formatter = new SimpleDateFormat (yyyy.MM.dd G at hh:mm:ss z);??? }??? tempPos=time.indexOf(-);??? if(tempPos-1(time.indexOf( )0)){????? formatter = new SimpleDateFormat (yyyyMMddHHmmssZ);??? }??? else if((time.indexOf(/)-1) (time.indexOf( )-1)){????? formatter = new SimpleDateFormat (yyyy/MM/dd HH:mm:ss);??? }??? else if((time.indexOf(-)-1) (time.indexOf( )-1)){????? formatter = new SimpleDateFormat (yyyy-MM-dd HH:mm:ss);??? }??? else if((time.indexOf(/)-1) (time.indexOf(am)-1) ||(time.indexOf(pm)-1)){????? formatter = new SimpleDateFormat (yyyy-MM-dd KK:mm:ss a);??? }??? else if((time.indexOf(-)-1) (time.indexOf(am)-1) ||(time.indexOf(pm)-1)){????? formatter = new SimpleDateFormat (yyyy-MM-dd KK:mm:ss a);??? }??? ParsePosition pos = new ParsePosition(0);??? java.util.Date ctime = formatter.parse(time, pos); ??? return ctime;} /**?? * 将java.util.Date 格式转换为字符串格式yyyy-MM-dd HH:mm:ss(24小时制)br?? * 如Sat May 11 17:24:21 CST 2002 to 2002-05-11 17:24:21br?? * @param time Date 日期br?? * @return String?? 字符串br?? */?? public static String dateToString(Date time){??? SimpleDateFormat formatter;??? formatter = new SimpleDateFormat (yyyy-MM-dd HH:mm:ss);??? String ctime = formatter.format(time); ??? return ctime;} /**?? * 将java.util.Date 格式转