calendar.js

本程序的功能如下： 1）本程序完全采用jsp脚本技术 2）后台管理

     var dw = document.body.clientWidth, dl = document.body.scrollLeft, dt = document.body.scrollTop;
    
     if (document.body.clientHeight + dt - t - h >= ch) o.top = (p=="image")? t + h : t + h + 6;
     else o.top   = (t - dt < ch) ? ((p=="image")? t + h : t + h + 6) : t - ch;
     if (dw + dl - l >= cw) o.left = l; else o.left = (dw >= cw) ? dw - cw + dl : dl;

     if   (!WebCalendar.timeShow) WebCalendar.dateReg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/;
     else WebCalendar.dateReg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;

     try{
         if (WebCalendar.objExport.value.trim() != ""){
             WebCalendar.dateStyle = WebCalendar.objExport.value.trim().match(WebCalendar.dateReg);
             if (WebCalendar.dateStyle == null)
             {
                 WebCalendar.thisYear    = new Date().getFullYear();
                 WebCalendar.thisMonth   = new Date().getMonth()+ 1;
                 WebCalendar.thisDay     = new Date().getDate();
                 alert("原文本框里的日期有错误！\n可能与你定义的显示时分秒有冲突！");
                 writeCalendar(); return false;
             }
             else
             {
                 WebCalendar.thisYear    = parseInt(WebCalendar.dateStyle[1], 10);
                 WebCalendar.thisMonth   = parseInt(WebCalendar.dateStyle[3], 10);
                 WebCalendar.thisDay     = parseInt(WebCalendar.dateStyle[4], 10);
                 WebCalendar.inputDate   = parseInt(WebCalendar.thisDay, 10) +"/"+ parseInt(WebCalendar.thisMonth, 10) +"/"+ 
                 parseInt(WebCalendar.thisYear, 10); writeCalendar();
             }
         }   else writeCalendar();
     }   catch(e){writeCalendar();}
}

function funMonthSelect() //月份的下拉框
{
     var m = isNaN(parseInt(WebCalendar.thisMonth, 10)) ? new Date().getMonth() + 1 : parseInt(WebCalendar.thisMonth);
     var e = WebCalendar.iframe.document.forms[0].tmpMonthSelect;
     e.value = m; //e.focus(); 
     //window.status = e.style.left;
}

function funYearSelect() //年份的下拉框
{
     var e = WebCalendar.iframe.document.forms[0].tmpYearSelect;
     var y = isNaN(parseInt(WebCalendar.thisYear, 10)) ? new Date().getFullYear() : parseInt(WebCalendar.thisYear);
     e.value = y; //e.focus();
//     if(e.value == "")
//     {
//       e.value = new Date().getFullYear();
//       WebCalendar.thisYear = e.value;
//     }
}

function prevM()   //往前翻月份
{
     WebCalendar.thisDay = 1;
     if (WebCalendar.thisMonth==1)
     {
         WebCalendar.thisYear--;
         WebCalendar.thisMonth=13;
     }
     WebCalendar.thisMonth--; writeCalendar();
}

function nextM()   //往后翻月份
{
     WebCalendar.thisDay = 1;
     if (WebCalendar.thisMonth==12)
     {
         WebCalendar.thisYear++;
         WebCalendar.thisMonth=0;
     }
     WebCalendar.thisMonth++; writeCalendar();
}
function prevY(){WebCalendar.thisDay = 1; WebCalendar.thisYear--; writeCalendar();}//往前翻 Year
function nextY(){WebCalendar.thisDay = 1; WebCalendar.thisYear++; writeCalendar();}//往后翻 Year
function hiddenSelect(e){
   //for(var i=e.options.length; i>-1; i--)e.options.remove(i); e.style.display="none";
}
function getObjectById(id){ if(document.all) return(eval("document.all."+ id)); return(eval(id)); }
function hiddenCalendar(){getObjectById("meizzCalendarLayer").style.display = "none";};
function appendZero(n){return(("00"+ n).substr(("00"+ n).length-2));}//日期自动补零程序
function String.prototype.trim(){return this.replace(/(^\s*)|(\s*$)/g,"");}
function dayMouseOver()
{
     this.className = "over";
     this.style.backgroundColor = WebCalendar.darkColor;
     if(WebCalendar.day[this.id.substr(8)].split("/")[1] == WebCalendar.thisMonth)
     this.style.color = WebCalendar.lightColor;
}
function dayMouseOut()
{
     this.className = "out"; var d = WebCalendar.day[this.id.substr(8)], a = d.split("/");
     this.style.removeAttribute('backgroundColor');
     if(a[1] == WebCalendar.thisMonth && d != WebCalendar.today)
     {
         if(WebCalendar.dateStyle && a[0] == parseInt(WebCalendar.dateStyle[4], 10))
         this.style.color = WebCalendar.lightColor;
         this.style.color = WebCalendar.wordColor;
     }
}
function writeCalendar() //对日历显示的数据的处理程序
{
     var y = WebCalendar.thisYear;
     var m = WebCalendar.thisMonth; 
     var d = WebCalendar.thisDay;
     WebCalendar.daysMonth[1] = (0==y%4 && (y%100!=0 || y%400==0)) ? 29 : 28;
     if (!(y<=9999 && y >= 1000 && parseInt(m, 10)>0 && parseInt(m, 10)<13 && parseInt(d, 10)>0)){
         alert("对不起，你输入了错误的日期！");
         WebCalendar.thisYear    = new Date().getFullYear();
         WebCalendar.thisMonth   = new Date().getMonth()+ 1;
         WebCalendar.thisDay     = new Date().getDate(); }
     y = WebCalendar.thisYear;
     m = WebCalendar.thisMonth;
     d = WebCalendar.thisDay;
    
     funYearSelect(parseInt(y, 10));
     funMonthSelect(parseInt(m,10));
     //WebCalendar.iframe.meizzYearHead.innerText   = y +" 年";
     //WebCalendar.iframe.meizzYearMonth.innerText = parseInt(m, 10) +" 月";
     WebCalendar.daysMonth[1] = (0==y%4 && (y%100!=0 || y%400==0)) ? 29 : 28; //闰年二月为29天
     var w = new Date(y, m-1, 1).getDay();
     var prevDays = m==1   ? WebCalendar.daysMonth[11] : WebCalendar.daysMonth[m-2];
     for(var i=(w-1); i>=0; i--) //这三个 for 循环为日历赋数据源（数组 WebCalendar.day）格式是 d/m/yyyy
     {
         WebCalendar.day[i] = prevDays +"/"+ (parseInt(m, 10)-1) +"/"+ y;
         if(m==1) WebCalendar.day[i] = prevDays +"/"+ 12 +"/"+ (parseInt(y, 10)-1);
         prevDays--;
     }
     for(var i=1; i<=WebCalendar.daysMonth[m-1]; i++) WebCalendar.day[i+w-1] = i +"/"+ m +"/"+ y;
     for(var i=1; i<WebCalendar.dayShow-w-WebCalendar.daysMonth[m-1]+1; i++)
     {
         WebCalendar.day[WebCalendar.daysMonth[m-1]+w-1+i] = i +"/"+ (parseInt(m, 10)+1) +"/"+ y;
         if(m==12) WebCalendar.day[WebCalendar.daysMonth[m-1]+w-1+i] = i +"/"+ 1 +"/"+ (parseInt(y, 10)+1);
     }
     for(var i=0; i<WebCalendar.dayShow; i++)     //这个循环是根据源数组写到日历里显示
     {
         var a = WebCalendar.day[i].split("/");
         WebCalendar.dayObj[i].innerText     = a[0];
         WebCalendar.dayObj[i].title         = a[2] +"-"+ appendZero(a[1]) +"-"+ appendZero(a[0]);
         WebCalendar.dayObj[i].bgColor       = WebCalendar.dayBgColor;
         WebCalendar.dayObj[i].style.color   = WebCalendar.wordColor;
         if ((i<10 && parseInt(WebCalendar.day[i], 10)>20) || (i>27 && parseInt(WebCalendar.day[i], 10)<12))
             WebCalendar.dayObj[i].style.color = WebCalendar.wordDark;
         if (WebCalendar.inputDate==WebCalendar.day[i])     //设置输入框里的日期在日历上的颜色
         {WebCalendar.dayObj[i].bgColor = WebCalendar.darkColor; WebCalendar.dayObj[i].style.color = WebCalendar.lightColor;}
         if (WebCalendar.day[i] == WebCalendar.today)       //设置今天在日历上反应出来的颜色
         {WebCalendar.dayObj[i].bgColor = WebCalendar.todayColor; WebCalendar.dayObj[i].style.color = WebCalendar.lightColor;}
     }
}
function returnDate() //根据日期格式等返回用户选定的日期
{
     if(WebCalendar.objExport)
     {
         var returnValue;
         var a = (arguments.length==0) ? WebCalendar.day[this.id.substr(8)].split("/") : arguments[0].split("/");
         var d = WebCalendar.format.match(/^(\w{4})(-|\/)(\w{1,2})\2(\w{1,2})$/);
         if(d==null){alert("你设定的日期输出格式不对！\r\n\r\n请重新定义 WebCalendar.format ！"); return false;}
         var flag = d[3].length==2 || d[4].length==2; //判断返回的日期格式是否要补零
         returnValue = flag ? a[2] +d[2]+ appendZero(a[1]) +d[2]+ appendZero(a[0]) : a[2] +d[2]+ a[1] +d[2]+ a[0];
         if(WebCalendar.timeShow)
         {
             var h = new Date().getHours(), m = new Date().getMinutes(), s = new Date().getSeconds();
             returnValue += flag ? " "+ appendZero(h) +":"+ appendZero(m) +":"+ appendZero(s) : " "+   h   +":"+ m +":"+ s;
         }
         WebCalendar.objExport.value = returnValue;
         hiddenCalendar();
     }
}
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