calendar.js

一个用户管理系统的例子,作的很好,有前端,有后台,增加,删除,修改,查找都可以实现

/**********************************************
/*
/* 初始化出生年月日。
/*
/* Author: Alan Liu(刘新福)
/* Created on 2003-12-07
/**********************************************/
function initDate(year, defaultYear, month, defaultMonth, day, defaultDay)
{
    var now = new Date();
    for (var i = now.getFullYear() - 15; i > now.getFullYear() - 80; i--) 
	{
	    var option = new Option (i, i);
		year.options[year.options.length] = option;
		if(i == defaultYear)
		{
		    option.selected = true;
		}
	}
	
	for (var i = 1; i <= 12; i++) 
	{
	    var text = i;
	    if(i < 10)
	    {
	        text = "0" + text;
	    }
	    var option = new Option (text, text);
	    month.options[month.options.length] = option;
	    if(text == defaultMonth)
	    {
	        option.selected = true;
	    }    		
	}
	
	addDay(year, month, day, defaultDay);
    
}

//定义阳历中每个月的最大天数		
var monthHead = new Array(12);                        
monthHead[0] = 31; 
monthHead[1] = 28; 
monthHead[2] = 31; 
monthHead[3] = 30; 
monthHead[4]  = 31; 
monthHead[5]  = 30; 
monthHead[6] = 31; 
monthHead[7] = 31; 
monthHead[8] = 30; 
monthHead[9] = 31; 
monthHead[10] = 30; 
monthHead[11] = 31; 

//判断是否闰平年 
function isPinYear(year)            
{ 
	if(0 == year % 4 && ((year % 100 != 0) || (year % 400 == 0)))
	{
	    return 1;
	}else
	{
	    return 0; 
	}
} 

//闰年二月为29天 
function addDay(yearObj, monthObj, dayObj, defaultDay)  
{    
	var yearVal = yearObj.options[yearObj.options.selectedIndex].value;
	var monthVal = monthObj.options[monthObj.options.selectedIndex].value;
	var dayVal = defaultDay;
	if(dayObj.options.length > 0)
	{
	    dayVal = dayObj.options[dayObj.options.selectedIndex].value;
	}
	
	var Feb = 2;
	var maxDay = monthHead[monthVal - 1];
	
	if(monthVal == Feb)
	{ 
	 	
	 	var isleapyear = isPinYear(yearVal);
	 	if (isleapyear > 0)
	 	{	
	 	    maxDay = 29;
	 	}
	 	else
	 	{
	 	    maxDay = 28;
	 	}
	}
	
	for(var i = dayObj.length - 1; i >= 0; i--)
	{      
		dayObj.remove(i);  
	}
	
	for( var i = 1; i < maxDay + 1; i++) 
	{
	    var text = i;
	    if(i < 10)
	    {
	        text = "0" + text;
	    }
	    
		dayObj.options[dayObj.options.length] = new Option (text, text);
	}
	
	dayObj.value = dayVal;
}