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;
  }

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