在一些任务游戏、贴吧管理中都会有一个签到功能，帮助大家记录登录天数，积累等级经验，这个日历签到功能是如何实现的，本文为大家进行演。

本文实例讲述了基于jquery实现日历签到功能。分享给大家供大家参考。具体如下：

运行效果截图如下：

具体代码如下：

index.html

签到效果实现

sign.css

.singer_r_img{display:block;width:114px;height:52px;line-height:45px;background:url(images/sing_week.gif) right 2px no-repeat;vertical-align:middle;*margin-bottom:-10px;text-decoration:none;}

.singer_r_img:hover{background-position:right -53px;text-decoration:none;}

.singer_r_img span{margin-left:14px;font-size:16px;font-family:'Hiragino Sans GB','Microsoft YaHei',sans-serif !important;font-weight:700;color:#165379;}

.singer_r_img.current{background:url(images/sing_sing.gif) no-repeat 0 2px;border:0;text-decoration:none;}

.sign table{border-collapse: collapse;border-spacing: 0;width:100%;}

.sign th,.sign td {width: 30px;height: 40px;text-align: center;line-height: 40px;border:1px solid #e3e3e3;}

.sign th {font-size: 16px;}

.sign td {color: #404040;vertical-align: middle;}

.sign .on {background-color:red;}

.calendar_month_next,.calendar_month_prev{width: 34px;height: 40px;cursor: pointer;background:url(images/sign_arrow.png) no-repeat;}

.calendar_month_next {float: right;background-position:-42px -6px;}

.calendar_month_span {display: inline;line-height: 40px;font-size: 16px;color: #656565;letter-spacing: 2px;font-weight: bold;}

.calendar_month_prev {float: left;background-position:-5px -6px;}

.sign_succ_calendar_title {text-align: center;width:398px;border-left:1px solid #e3e3e3;border-right:1px solid #e3e3e3;background:#fff;}

.sign_main {width: 400px;border-top:1px solid #e3e3e3;font-family: "Microsoft YaHei",SimHei;}

calendar.js

var calUtil = {

//当前日历显示的年份

showYear:2015,

//当前日历显示的月份

showMonth:1,

//当前日历显示的天数

showDays:1,

eventName:"load",

//初始化日历

init:function(signList){

calUtil.setMonthAndDay();

calUtil.draw(signList);

calUtil.bindEnvent();

},

draw:function(signList){

//绑定日历

var str = calUtil.drawCal(calUtil.showYear,calUtil.showMonth,signList);

$("#calendar").html(str);

//绑定日历表头

var calendarName=calUtil.showYear+"年"+calUtil.showMonth+"月";

$(".calendar_month_span").html(calendarName);

},

//绑定事件

bindEnvent:function(){

//绑定上个月事件

$(".calendar_month_prev").click(function(){

//ajax获取日历json数据

var signList=[{"signDay":"10"},{"signDay":"11"},{"signDay":"12"},{"signDay":"13"}];

calUtil.eventName="prev";

calUtil.init(signList);

});

//绑定下个月事件

$(".calendar_month_next").click(function(){

//ajax获取日历json数据

var signList=[{"signDay":"10"},{"signDay":"11"},{"signDay":"12"},{"signDay":"13"}];

calUtil.eventName="next";

calUtil.init(signList);

});

},

//获取当前选择的年月

setMonthAndDay:function(){

switch(calUtil.eventName)

{

case "load":

var current = new Date();

calUtil.showYear=current.getFullYear();

calUtil.showMonth=current.getMonth() + 1;

break;

case "prev":

var nowMonth=$(".calendar_month_span").html().split("年")[1].split("月")[0];

calUtil.showMonth=parseInt(nowMonth)-1;

if(calUtil.showMonth==0)

{

calUtil.showMonth=12;

calUtil.showYear-=1;

}

break;

case "next":

var nowMonth=$(".calendar_month_span").html().split("年")[1].split("月")[0];

calUtil.showMonth=parseInt(nowMonth)+1;

if(calUtil.showMonth==13)

{

calUtil.showMonth=1;

calUtil.showYear+=1;

}

break;

}

},

getDaysInmonth : function(iMonth, iYear){

var dPrevDate = new Date(iYear, iMonth, 0);

return dPrevDate.getDate();

},

bulidCal : function(iYear, iMonth) {

var aMonth = new Array();

aMonth[0] = new Array(7);

aMonth[1] = new Array(7);

aMonth[2] = new Array(7);

aMonth[3] = new Array(7);

aMonth[4] = new Array(7);

aMonth[5] = new Array(7);

aMonth[6] = new Array(7);

var dCalDate = new Date(iYear, iMonth - 1, 1);

var iDayOfFirst = dCalDate.getDay();

var iDaysInMonth = calUtil.getDaysInmonth(iMonth, iYear);

var iVarDate = 1;

var d, w;

aMonth[0][0] = "日";

aMonth[0][1] = "一";

aMonth[0][2] = "二";

aMonth[0][3] = "三";

aMonth[0][4] = "四";

aMonth[0][5] = "五";

aMonth[0][6] = "六";

for (d = iDayOfFirst; d < 7; d++) {

aMonth[1][d] = iVarDate;

iVarDate++;

}

for (w = 2; w < 7; w++) {

for (d = 0; d < 7; d++) {

if (iVarDate <= iDaysInMonth) {

aMonth[w][d] = iVarDate;

iVarDate++;

}

}

}

return aMonth;

},

ifHasSigned : function(signList,day){

var signed = false;

$.each(signList,function(index,item){

if(item.signDay == day) {

signed = true;

return false;

}

});

return signed ;

},

drawCal : function(iYear, iMonth ,signList) {

var myMonth = calUtil.bulidCal(iYear, iMonth);

var htmls = new Array();

htmls.push("

");

htmls.push("

");

htmls.push("

下月");

htmls.push("

上月");

htmls.push("

");

htmls.push("");

htmls.push("

");

htmls.push("");

htmls.push("

");

htmls.push("" + myMonth[0][0] + "");

htmls.push("" + myMonth[0][1] + "");

htmls.push("" + myMonth[0][2] + "");

htmls.push("" + myMonth[0][3] + "");

htmls.push("" + myMonth[0][4] + "");

htmls.push("" + myMonth[0][5] + "");

htmls.push("" + myMonth[0][6] + "");

htmls.push("");

var d, w;

for (w = 1; w < 7; w++) {

htmls.push("

");

for (d = 0; d < 7; d++) {

var ifHasSigned = calUtil.ifHasSigned(signList,myMonth[w][d]);

console.log(ifHasSigned);

if(ifHasSigned){

htmls.push("" + (!isNaN(myMonth[w][d]) ? myMonth[w][d] : " ") + "");

} else {

htmls.push("" + (!isNaN(myMonth[w][d]) ? myMonth[w][d] : " ") + "");

}

}

htmls.push("");

}

htmls.push("");

htmls.push("");

htmls.push("");

return htmls.join('');

}

};

希望本文所述对大家学习javascript程序设计有所帮助。