package cn.edu.hactcm.cfcms.utils;
import java.text.parseexception;
import java.text.simpledateformat;
import java.util.date;
/**
* cfms ：computer files management system
* version ：1.0 2013-2-20 下午12:30:23
*/
public final class dateformatutils {
/**
* @return 返回的日期格式类似：2012年12月10日 星期一<br/>
* <br/>
* <b>letter date or time component presentation examples</b> <br/>
* g era designator text ad <br/>
* y year year 1996; 96 <br/>
* m month in year month july; jul; 07 <br/>
* w week in year number 27 <br/>
* w week in month number 2 <br/>
* d day in year number 189 <br/>
* d day in month number 10 <br/>
* f day of week in month number 2 <br/>
* e day in week text tuesday; tue <br/>
* a am/pm marker text pm <br/>
* h hour in day (0-23) number 0 <br/>
* k hour in day (1-24) number 24 <br/>
* k hour in am/pm (0-11) number 0 <br/>
* h hour in am/pm (1-12) number 12 <br/>
* m minute in hour number 30 <br/>
* s second in minute number 55 <br/>
* s millisecond number 978 <br/>
* z time zone general time zone pacific standard time; pst; gmt-08:00 <br/>
* z time zone rfc 822 time zone -0800 <br/>
* <br/>
* <b>date and time pattern result</b> <br/>
* "yyyy.mm.dd g 'at' hh:mm:ss z" 2001.07.04 ad at 12:08:56 pdt <br/>
* "eee, mmm d, ''yy" wed, jul 4, '01 <br/>
* "h:mm a" 12:08 pm <br/>
* "hh 'o''clock' a, zzzz" 12 o'clock pm, pacific daylight time <br/>
* "k:mm a, z" 0:08 pm, pdt <br/>
* "yyyyy.mmmmm.dd ggg hh:mm aaa" 02001.july.04 ad 12:08 pm <br/>
* "eee, d mmm yyyy hh:mm:ss z" wed, 4 jul 2001 12:08:56 -0700 <br/>
* "yymmddhhmmssz" 010704120856-0700 <br/>
* "yyyy-mm-dd't'hh:mm:ss.sssz" 2001-07-04t12:08:56.235-0700 <br/>
*/
public string getdateformatyyyymmdde(){
simpledateformat simpledateformat = new simpledateformat("yyyy年mm月dd日 e");
string formatyyyymmddee = simpledateformat.format(new date());
return formatyyyymmddee;
}
* @return 返回的日期格式类似：2012-12-10 13:44:03
public string getdateformatyyyymmddhhmmss(){
simpledateformat simpledateformat = new simpledateformat("yyyy-mm-dd hh:mm:ss");
string formatyyyymmddhhmmss = simpledateformat.format(new date());
return formatyyyymmddhhmmss;
public date getdateformatyyyymmddhhmmss2(){
string formatyyyymmddhhmmss = null;
simpledateformat simpledateformat = null;
date date = null;
try {
simpledateformat = new simpledateformat("yyyy-mm-dd hh:mm:ss");
formatyyyymmddhhmmss = simpledateformat.format(new date());
date = simpledateformat.parse(formatyyyymmddhhmmss);
} catch (exception e) {
e.printstacktrace();
}
return date;
* @return 返回的日期格式类似：2012年12月10日 13时50分50秒
public string getdateformatoverrideyyyymmddhhmmss(){
simpledateformat simpledateformat = new simpledateformat("yyyy年mm月dd日 hh时mm分ss秒");
return simpledateformat.format(new date());
* @param date:这是要格式化的日期
* @return 返回的日期格式类似：2012-12-10
public string getdateformatyyyymmdd(date date){
simpledateformat simpledateformat = new simpledateformat("yyyy-mm-dd");
return simpledateformat.format(date);
* @param milliseconds:传入的毫秒值
* @return 返回一个按照想要格式转换后的字符串。
public string getdateformatyyyymmddhhmmssfrommilliseconds(long milliseconds){
simpledateformat df = new simpledateformat("yyyy-mm-dd hh:mm:ss");
string datetime = df.format(milliseconds);
return datetime;
* 如果字符串是否和条件的那么就返回毫秒值
* @param timestring
* @return
@suppresswarnings("null")
public long getmillisecondsbytimestring(string timestring){
if (timestring != null || timestring.trim() != null) {
simpledateformat sf = new simpledateformat("yyyy年mm月dd日");
date d = null;
try {
d = sf.parse(timestring);
} catch (parseexception e) {
e.printstacktrace();
}
return d.gettime();
return -1;
}