适应性强的js日期控件

//==================================================== WEB 页面显示部分 ======================================================
var outObject;
var outButton;        //点击的按钮
var outDate="";        //存放对象的日期
var odatelayer=window.frames.meizzDateLayer.document.all;        //存放日历对象
function setday(tt,obj) //主调函数
{
    if (arguments.length > 2){alert("对不起！传入本控件的参数太多！");return;}
    if (arguments.length == 0){alert("对不起！您没有传回本控件任何参数！");return;}
    var dads = document.all.meizzDateLayer.style;
    var th = tt;
    var ttop = tt.offsetTop; //TT控件的定位点高
    var thei = tt.clientHeight; //TT控件本身的高
    var tleft = tt.offsetLeft; //TT控件的定位点宽
    var ttyp = tt.type; //TT控件的类型
    while (tt = tt.offsetParent){ttop+=tt.offsetTop; tleft+=tt.offsetLeft;}
    dads.top = (ttyp=="image")? ttop+thei : ttop+thei+6;
    dads.left = tleft;
    outObject = (arguments.length == 1) ? th : obj;
    outButton = (arguments.length == 1) ? null : th;    //设定外部点击的按钮
    //根据当前输入框的日期显示日历的年月
    var reg = /^(\d+)-(\d{1,2})-(\d{1,2})$/;
    var r = outObject.value.match(reg);
    if(r!=null){
        r[2]=r[2]-1;
        var d= new Date(r[1], r[2],r[3]);
        if(d.getFullYear()==r[1] && d.getMonth()==r[2] && d.getDate()==r[3]){
            outDate=d;        //保存外部传入的日期
        }
        else outDate="";
            meizzSetDay(r[1],r[2]+1);
    }
    else{
        outDate="";
        meizzSetDay(new Date().getFullYear(), new Date().getMonth() + 1);
    }
    dads.display = '';

event.returnValue=false;
}

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

var meizzTheYear=new Date().getFullYear(); //定义年的变量的初始值
var meizzTheMonth=new Date().getMonth()+1; //定义月的变量的初始值
var meizzWDay=new Array(39); //定义写日期的数组

function document.onclick() //任意点击时关闭该控件 //ie6的情况可以由下面的切换焦点处理代替
{
with(window.event)
{ if (srcElement.getAttribute("Author")==null && srcElement != outObject && srcElement != outButton)
closeLayer();
}
}

function document.onkeyup()        //按Esc键关闭，切换焦点关闭
{
if (window.event.keyCode==27){
        if(outObject)outObject.blur();
        closeLayer();
    }
    else if(document.activeElement)
        if(document.activeElement.getAttribute("Author")==null && document.activeElement != outObject && document.activeElement != outButton)
        {
            closeLayer();
        }
}

function meizzWriteHead(yy,mm) //往 head 中写入当前的年与月
{
odatelayer.meizzYearHead.innerText = yy + " 年";
odatelayer.meizzMonthHead.innerText = mm + " 月";
}

function closeLayer() //这个层的关闭
{
document.all.meizzDateLayer.style.display="none";
}

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

function GetMonthCount(year,month) //闰年二月为29天
{
var c=MonHead[month-1];if((month==2)&&IsPinYear(year)) c++;return c;
}
function GetDOW(day,month,year) //求某天的星期几
{
var dt=new Date(year,month-1,day).getDay()/7; return dt;
}

function meizzSetDay(yy,mm) //主要的写程序**********
{
meizzWriteHead(yy,mm);
//设置当前年月的公共变量为传入值
meizzTheYear=yy;
meizzTheMonth=mm;

for (var i = 0; i < 39; i++){meizzWDay[i]=""}; //将显示框的内容全部清空
var day1 = 1,day2=1,firstday = new Date(yy,mm-1,1).getDay(); //某月第一天的星期几
for (i=0;i<firstday;i++)meizzWDay[i]=GetMonthCount(mm==1?yy-1:yy,mm==1?12:mm-1)-firstday+i+1    //上个月的最后几天
for (i = firstday; day1 < GetMonthCount(yy,mm)+1; i++){meizzWDay[i]=day1;day1++;}
for (i=firstday+GetMonthCount(yy,mm);i<39;i++){meizzWDay[i]=day2;day2++}
for (i = 0; i < 39; i++)
{ var da = eval("odatelayer.meizzDay"+i) //书写新的一个月的日期星期排列
if (meizzWDay[i]!="")
{
        //初始化边框
        da.borderColorLight="#FF9900";
        da.borderColorDark="#FFFFFF";
        if(i<firstday)        //上个月的部分
        {
            da.innerHTML="<b><font color=gray>" + meizzWDay[i] + "</font></b>";
            da.title=(mm==1?12:mm-1) +"月" + meizzWDay[i] + "日";
            da.onclick=Function("meizzDayClick(this.innerText,-1)");
            if(!outDate)
                da.style.backgroundColor = ((mm==1?yy-1:yy) == new Date().getFullYear() &&
                    (mm==1?12:mm-1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) ?
                     "#FFD700":"#e0e0e0";
            else
            {
                da.style.backgroundColor =((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 &&
                meizzWDay[i]==outDate.getDate())? "#00ffff" :
                (((mm==1?yy-1:yy) == new Date().getFullYear() && (mm==1?12:mm-1) == new Date().getMonth()+1 &&
                meizzWDay[i] == new Date().getDate()) ? "#FFD700":"#e0e0e0");
                //将选中的日期显示为凹下去
                if((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 &&
                meizzWDay[i]==outDate.getDate())
                {
                    da.borderColorLight="#FFFFFF";
                    da.borderColorDark="#FF9900";
                }
            }
        }
        else if (i>=firstday+GetMonthCount(yy,mm))        //下个月的部分
        {
            da.innerHTML="<b><font color=gray>" + meizzWDay[i] + "</font></b>";
            da.title=(mm==12?1:mm+1) +"月" + meizzWDay[i] + "日";
            da.onclick=Function("meizzDayClick(this.innerText,1)");
            if(!outDate)
                da.style.backgroundColor = ((mm==12?yy+1:yy) == new Date().getFullYear() &&
                    (mm==12?1:mm+1) == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) ?
                     "#FFD700":"#e0e0e0";
            else
            {
                da.style.backgroundColor =((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 &&
                meizzWDay[i]==outDate.getDate())? "#00ffff" :
                (((mm==12?yy+1:yy) == new Date().getFullYear() && (mm==12?1:mm+1) == new Date().getMonth()+1 &&
                meizzWDay[i] == new Date().getDate()) ? "#FFD700":"#e0e0e0");
                //将选中的日期显示为凹下去
                if((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 &&
                meizzWDay[i]==outDate.getDate())
                {
                    da.borderColorLight="#FFFFFF";
                    da.borderColorDark="#FF9900";
                }
            }
        }
        else        //本月的部分
        {
            da.innerHTML="<b>" + meizzWDay[i] + "</b>";
            da.title=mm +"月" + meizzWDay[i] + "日";
            da.onclick=Function("meizzDayClick(this.innerText,0)");        //给td赋予onclick事件的处理
            //如果是当前选择的日期，则显示亮蓝色的背景；如果是当前日期，则显示暗黄色背景
            if(!outDate)
                da.style.backgroundColor = (yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())?
                    "#FFD700":"#e0e0e0";
            else
            {
                da.style.backgroundColor =(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())?
                    "#00ffff":((yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate())?
                    "#FFD700":"#e0e0e0");
                //将选中的日期显示为凹下去
                if(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && meizzWDay[i]==outDate.getDate())
                {
                    da.borderColorLight="#FFFFFF";
                    da.borderColorDark="#FF9900";
                }
            }
        }
da.style.cursor="hand"
}
else{da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default"}
}
}

posted on 2009-02-27 16:43 bestsaler 阅读(192) 评论(0) 编辑收藏举报