DateUtil时间处理函数

《DateUtil时间处理函数》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、packagecom.asiainfo.util;importjava.text.DateFormat;importjava.text.SimpleDateFormat;importjava・util.Calendar;importjava.util.Date;importjava.util.GregorianCalendar;importjava.util.TimeZone;*时间处理函数**@authorhxw*/publicclassDateUtil{privatestaticfinalStringDEFAULT_PATTERN="yyyyMMddHHmmss";/***获取相隔

2、interval天的时间并返冋pattern类型的string**@paraminterval*@paramstarttime*@parampattern*@return*/publicstaticStringgetDatefStringinterval,Datestarttime,Stringpattern){Calendartemp=Calendar.getlnstance(TimeZone.getDefault());temp.setTime(starttime);temp.add(temp.MONTH,Integer.parselnt(interval));SimpleDate

3、Formatsdf=newSimpleDateFormat(pattern);returnsdf.format(temp.getTime());}/***将字符串类型转换为时间类型**@paramstr*@return*/publicstaticDatestr2Date(Stringstr){Dated=null;SimpleDateFormatsdf=newSimpleDateFormat(DEFAULT_PATTERN);try{d=sdf.parse(str);}catch(Exceptione){e.printStackTrace();}returnd;}/***将字符串按照p

4、attern类型转换为时I'可类型**@paramstr*@parampattern*@return*/publicstaticDatestr2Date(Stringstr,Stringpattern){Dated=null;SimpleDateFormatsdf=newSimpleDateFormat(pattern);try{d=sdf.parse(str);}catch(Exceptione){e.printStackTrace();}returnd;}/***将时间格式化**@return*/publicstaticDateDatePatternfDatedate){Simpl

5、eDateFormatsdf=newSimpleDateFormat(DEFAULT_PATTERN);try{Stringdd=sdf.format(date);date=str2Date(dd);}catch(Exceptione){e.printStackTrace();}returndate;}/***将时间格式化*/publicstaticDateDatePattern(Datedate,Stringpattern){SimpleDateFormatsdf=newSimpleDateFormat(pattern);try{Stringdd=sdf.format(date);d

6、ate=str2Date(dd,pattern);}catch(Exceptione){e.printStackTrace();}returndate;}/***将date转换成默认时间格式的字符串**@paramdate*@return*/publicstaticStringdate2Str(Datedate){SimpleDateFormatsdf=newSimpleDateFormat(DEFAULT_PATTERN);returnsdf.format(date);}/***将date转换成format格式的字符串**@paramdate*@return*/publicstati

7、cStringdate2Str(Datedate,Stringformat){SimpleDateFormatsdf=newSimpleDateFormat(format);returnsdf.format(date);}/***获取昨天**@paramdate*@return*@throwsException*/publicstaticDategetLastDatefDatedate){Calendarcalendar=Calendar.ge