calandar.java

一个JSP+JAVABEANS实现的WEB日历程序

monthBean.java
package test;
import java.text.DateFormat;
import java.text.DateFormatSymbols;
import java.util.*;

public class monthBean { 
public final static int[]DAYSINMONTH={31,28,31,30,31,30,31,31,30,31,30,31}; 
public String []monthNames=null; 
protected DateFormatSymbols symbols=null; 
protected Calendar cal=Calendar.getInstance();  
protected int today=cal.get(Calendar.DAY_OF_MONTH);  
protected int month=cal.get(Calendar.MONTH); 
protected int year=cal.get(Calendar.YEAR); 

public monthBean() {  
  symbols=new DateFormatSymbols();  
  monthNames=symbols.getMonths();  
  } 
public void setMonth(int monthArg){ 
 this.month=monthArg;  
  } 
public void setYear(int yearArg) {
  this.year=yearArg;
  } 
public void setMonth(String monthArg) {  
  try{ 
   int month=Integer.parseInt(monthArg);  
  setMonth(month);  
  }catch(Exception exc){
  } 
  } 
public void setYear(String yearArg){  
  try{ 
   int year=Integer.parseInt(yearArg);
  setYear(year); }catch(Exception exc){
  } 
 }
public String getMonthName() {  
  return monthNames[cal.get(Calendar.MONTH)];
  } 
public int getToday(){
  return today;
  }
public int getStartCell() {
  Calendar beginOfMonth=Calendar.getInstance();  
  beginOfMonth.set(year,month,0);  
  return beginOfMonth.get(Calendar.DAY_OF_WEEK);
  }  
public int getEndCell() {
  cal.set(year,month,1); int endCell=DAYSINMONTH[month]+getStartCell()-1; 
   if(month==Calendar.FEBRUARY && ((GregorianCalendar)cal).isLeapYear(year)){  
  endCell++;  
  }  
  return endCell; 
  }  
public void update()  {  
  cal.set(this.year,this.month,1); 
  }  
public String getDayName(int day,boolean longFormat) {
  if(longFormat)  
  return symbols.getWeekdays()[day];  
  return symbols.getShortWeekdays()[day];
  }
  }