javascript写的日历类(基于pj)_Javascript教程-查字典教程网

先看看效果：

复制代码代码如下:

var cat=new Calendar(new Date(1633,6,6),100);

cat.onChange(function(){alert(this.getDateString())})

cat.onSelect(function(){alert(this.getDateString());});

cat.fadeIn(0)

var o=new Calendar();

o.locateAt(pj.id("pos"));

o.onSelect(function(){pj.id("pos").value=this.getDateString();this.hide()});

pj("#pos").focus(function(){o.show(100)});

</script>

使用很简单；

先创建一个Calendar对象

复制代码代码如下:

var calendar=new Calendar();

只要调用show()方法即可显示

复制代码代码如下:

calendar.show()

其实调用的是pj库的show方法

因此在使用之前要先把pj库引进来，在把Calendar.js引进来就可以

Calendar的主要方法有

getDateString([pattern]) format是日期格式,默认是yyyy-mm-dd

show:function(duration) 显示日历

hide:function(duration)隐藏日历

fadeIn:function(duration)淡入日历

fadeOut:function(duration)淡出日历

locateAt:function(obj,offsetX,offsetY)把日历定位到指定的元素正下方，offsetX、offsetY可选，是相对于X、Y轴的偏移量

只定义了两个事件

onChange(fn)//当改变年份或者月份是的事件监听器,以当前Calendar对象为上下文执行fn函数

onSelect(fn)//当选择日期时触发的函数，以当前Calendar对象为上下文执行fn函数

还是把源代码粘贴上来吧（有点多，因为封装了一个table）

复制代码代码如下:

//date:默认开始日期,不需要可以是null(以当天日期开始),yearListLength:年份下拉列表长度

function Calendar(date,yearListLength){

var currentDate=date||new Date(),_this=this;

this.container=pj("<div>").appendTo(document.body).setStyle({overflow:'hidden',background: '#99CCFF',border:'1px solid #CCC',fontSize:'12px',height:'160px',width:'180px',position:"absolute",display:'none'});

this.container.get().innerHTML='<table border="0"><tr> <td colspan="2" align="center" valign="middle"> <select></select></td> <td colspan="3" align="center" valign="middle"><span></span>年<span></span>月</td> <td colspan="2" align="center" valign="middle"> <select> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> <option value="4">4</option> <option value="5">5</option> <option value="6">6</option> <option value="7">7</option> <option value="8">8</option> <option value="9">9</option> <option value="10">10</option> <option value="11">11</option> <option value="12">12</option> </select></td></tr><tr> <td align="center" valign="middle">日</td> <td align="center" valign="middle">一</td> <td align="center" valign="middle">二</td> <td align="center" valign="middle">三</td> <td align="center" valign="middle">四</td> <td align="center" valign="middle">五</td> <td align="center" valign="middle">六</td></tr><tr> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td></tr><tr> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td></tr><tr> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td></tr><tr> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td></tr><tr> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td></tr><tr> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td> <td align="center" valign="middle"><a href="javascript:void(0)"></a></td></tr></table>';

this.spans=pj("span",this.container.get());

this.as=pj("a",this.container.get()).setStyle({textDecoration:"none",color:"#333"});

this.selects=pj("select",this.container.get());

this.getCurrentDate=function(){return currentDate;};

this.init();

this.initYearList(yearListLength||70);

var change=function(){},select=function(){};

this.onChange=function(fn){//当改变年份或者月份是的事件监听器,以当前Calendar对象为上下文执行fn函数

if(pj.isFunction(fn))change=fn;

};

this.onSelect=function(fn){//当选择日期时触发的函数，以当前Calendar对象为上下文执行fn函数

if(pj.isFunction(fn))select=fn;

};

this.selects[0].onchange=function(){

currentDate.setFullYear(parseInt(this.options[this.selectedIndex].value));

_this.init();

change.apply(_this,arguments);

};//选择年份

this.selects[1].onchange=function(){

currentDate.setMonth(parseInt(this.options[this.selectedIndex].value)-1);

_this.init();

change.apply(_this,arguments);

};//选择月份

this.selects[1].options[currentDate.getMonth()].selected=true;

this.as.addListener({

click:function(){currentDate.setDate(parseInt(this.innerHTML));select.apply(_this,arguments);},

mouseover:function(){if(_this.todate.getDate()+""!=this.innerHTML)this.style.color="#CCC";},

mouseout:function(){if(_this.todate.getDate()+""!=this.innerHTML)this.style.color="#333";}

});

pj("td",this.container.get(0)).addListener({

mouseover:function(){this.style.backgroundColor="#303";},

mouseout:function(){this.style.backgroundColor="#9CF";}

});

}

Calendar.prototype={

init:function(){

var cur=this.getCurrentDate(),

i=new Date(cur.getFullYear(),cur.getMonth(),1).getDay(),//取星期

j=new Date(cur.getFullYear(),cur.getMonth()+1,0).getDate();//取当月最大日数

//alert(i);

this.spans[0].innerHTML=cur.getFullYear();

this.spans[1].innerHTML=cur.getMonth()+1;

var m=0,n=this.as.length-1,isTodate=Calendar.isThisMonth(cur);

while(m<n){this.as[m].innerHTML=this.as[n].innerHTML='';n--;m++;}//清空

for(var day=1;day<=j;day++,i++){

this.as[i].innerHTML=day;

if(isTodate&&day==this.todate.getDate()){

this.todateLink=this.as[i];

pj.setStyle(this.as[i],{color:"#F60",fontWeight:"bold"});

}else if(!isTodate&&day==this.todate.getDate()&&this.todateLink){

pj.setStyle(this.todateLink,{color:"#333",fontWeight:"normal"});

}

initYearList:function(len){

Calendar.emptySelect(this.selects[0]);

var cur=this.getCurrentDate(),now=this.todate.getFullYear(),max=Math.max(now-cur.getFullYear(),len);

for(var y=0;y<=max;y++){//年份下拉列表长度为12

var option=document.createElement("option");

if(cur.getFullYear()==now)option.selected=true;

else option.selected=false;

option.text=now;

option.value=now--;

try{

this.selects[0].add(option,null);

}catch(e){

this.selects[0].add(option);

}

getDateString:function(format){//format是日期格式,如yyyy-mm-dd

if(!format||!/y{4}.m{2}.d{2}/.test(format))format="yyyy-mm-dd";

format=format.replace(/^yyyy/,this.getCurrentDate().getFullYear());

format=format.replace(/mm/,Calendar.fx(this.getCurrentDate().getMonth()+1));

format=format.replace(/dd/,Calendar.fx(this.getCurrentDate().getDate()));

return format;

todate:new Date(),

todateLink:null,

show:function(duration){this.container.show(duration);},

hide:function(duration){this.container.hide(duration);},

fadeIn:function(duration){this.container.fadeIn(duration);},

fadeOut:function(duration){this.container.fadeOut(duration);},

locateAt:function(obj,offsetX,offsetY){

this.container.locate(obj,pj.LEFT_BOTTOM_POSITION,offsetX,offsetY);

}

};

Calendar.emptySelect=function(target){

if(!target.options)return;

while(target.options.length>0)target.remove(0);

};

Calendar.fx=function(dig){return dig<10?'0'+dig:dig};

Calendar.isThisMonth=function(date){

return date.getFullYear()==Calendar.prototype.todate.getFullYear()&&date.getMonth()==Calendar.prototype.todate.getMonth();

};

查字典教程网打包

在线演示 http://demo.jb51.net/js/Calendar_pj/index.htm

打包下载 http://www.jb51.net/jiaoben/33760.html