纯Java周历的写法

import java.util.*;

import com.unigroup2000.Global;

import java.io.*;

import javax.servlet.http.*;

import java.text.*;

/**

* <p>Title: </p>

* <p>Description: </p>

* <p>Copyright: Copyright (c) 2004</p>

* <p>Company: </p>

* @author not attributable

* @version 1.0

*/

public class WeekCalendar {

public WeekCalendar() throws IOException{

}

public Calendar CalendarSetTime(String sCurrDate){

Calendar oCalendar = Calendar.getInstance();

Date oDate = new Date();

SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd");

if(!sCurrDate.equals("")&&sCurrDate!=null){

try{

oCalendar.setTime(sdf.parse(sCurrDate));

}catch(Exception ex){

ex.printStackTrace(System.err);

System.out.println("日期格式转换错误：="+sCurrDate );

}

}

else

oCalendar.setTime(oDate);

return oCalendar;

}

public List Calendar(HttpServletRequest request ,HttpServletResponse response,String sCurrDate){

String[] oneWeekDay={"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};

Calendar oCal=null;

String LoopDate="",Flag="";

int iweek=0,iCurrWeek=0;

Date oDate = new Date();

oCal=CalendarSetTime(sCurrDate);//设置时间

iweek=oCal.get(Calendar.DAY_OF_WEEK)-1;

HashMap oHashMap=new HashMap();;

String DataSet[]= null;

List DayAndWeek = new ArrayList();

for(int i=iweek;i>0;i--){

oCal.add(Calendar.DATE,-i);

LoopDate=oCal.get(Calendar.YEAR)+"-"+(oCal.get(Calendar.MONTH)+1)+"-"+oCal.get(Calendar.DATE);

oCal=CalendarSetTime(sCurrDate);//重置时间

DataSet = new String[2];

DataSet[0]=LoopDate;

DataSet[1]=oneWeekDay[(iCurrWeek++)];

DayAndWeek.add(DataSet);

}

for(int i=0;i<7-iweek;i++){

oCal.add(Calendar.DATE,i);

LoopDate=oCal.get(Calendar.YEAR)+"-"+(oCal.get(Calendar.MONTH)+1)+"-"+oCal.get(Calendar.DATE);

oCal=CalendarSetTime(sCurrDate);

DataSet = new String[2];

DataSet[0]=LoopDate;

DataSet[1]=oneWeekDay[(iCurrWeek++)];

DayAndWeek.add(DataSet);

}

return DayAndWeek;

}