jQuery日历签到插件

插件比较简单，先来看DEMO吧，http://codepen.io/jonechen/pen/bZWdXq；

CSS部分：

*{margin:0;padding:0;font:14px/1.8 "Helvetica Neue","microsoft yahei";}
ul,li{list-style:none;}
body{background: #fff; }
.checkin{margin: auto auto auto auto; }
.clear {clear:both; height:0; overflow:hidden; display:block; line-height:0}
.clearfix:after {clear:both;font-size:0; height:0; display:block; visibility:hidden; content:" "; line-height:0}
.clearfix {zoom:1}/* for IE6 IE7 */
.title{height: 36px;line-height: 36px;font-size: 16px;margin-bottom: 10px;}
.title p{float: left;width: 80%;height: 36px;line-height: 36px;font-size: 16px;}
.title a{display: inline-block;width: 20%;height: 36px;line-height: 36px;text-align: center;background: #42941a;border-radius: 5px;color: #fff;text-decoration: none;font-size: 16px;}
.checkin li{background: #fee684; float: left;padding: 10px;text-align: center;}
li.able-qiandao{background: #e9c530; }
li.checked{background:#fee684 url(http://i2.piimg.com/508767/a9576b09fc014d6e.png) no-repeat center;}
.mask{ width: 100%;height: 100%;position: absolute;top: 0;left: 0; background-color: rgba(0,0,0,0.55);visibility: hidden;transition: all 0.25s ease}
.modal{background:#fff;width: 450px;height: 400px;border-radius: 10px;position: absolute;margin-top: -200px;margin-left:-225px;left: 50%;top: 50%;border:5px solid #42941a;box-sizing:border-box;overflow: hidden;transform: translateY(-200%);transition: all 0.25s ease}
a.closeBtn{display: block;position: absolute;right: 10px;top: 5px;font-family: \'simsun\';font-size: 18px;text-decoration: none;font-weight: bolder;color: #333}
.title_h1{text-align: center;font-size: 40px;font-weight: normal;padding-top: 80px;display: block;width: 100%}
.title_h1 span{display: inline-block;width: 40px;height: 40px;border-radius: 100%;background: #42941a;color: #fff;position: relative;float: left;margin-left: 30%;margin-top: 7px;}
.title_h1 span::before{width: 10px;height: 2px;background: #fff;position: absolute;left: 8px;top: 23px;display: block;line-height: 0;font-size: 0;content: ""; transform: rotate(52deg);}
.title_h1 span::after{width: 24px;height: 2px;background: #fff;position: absolute;left: 12px;top: 20px;display: block;line-height: 0;font-size: 0;content: "";transform: rotate(-45deg);}
.title_h1 em{display: inline-block;font-size: 30px;float: left;margin-left: 10px;}
.title_h1 i{display: inline-block;font-size: 16px;float: left;margin: 14px 0 0 10px;}
.title_h2{text-align: center;font-size: 16px;display: block;padding-top: 20px;}
.title_h2 span{font-size: 36px;color: #b25d06;}
.trf{visibility: visible;}
.trf .modal{transform: translateY(0);}

HTML部分：

<div class="checkin"></div>
<div class="mask">
        <div class="modal">
                <a href="#" class="closeBtn">×</a>
                <h1 class="title_h1 clearfix"><span></span><em>已签到</em> <i>您已签到2天</i></h1>
                <h2 class="title_h2">您获得现金<span>0.88元</span></h2>
        </div>
</div>

JS插件部分：

;
(function($) {
        var Checkin = function(ele, options) {
                this.ele = ele;
                this.opt = options;
                this.defaults = {
                        width: 450,
                        height: \'auto\',
                        background: \'#f90\',
                        radius: 10,
                        color: \'#fff\',
                        padding: 10,
                        dateArray: [1, 2, 4, 6], // 假设已签到的天数+1
                };
                this.obj = $.extend({}, this.defaults, this.opt);
        }
        Checkin.prototype.init = function() {
                var _self = this.ele,
                        html = \'\',
                        myDate = new Date(),
                        year = myDate.getFullYear(),
                        month = myDate.getMonth(),
                        day = myDate.getDate(),
                        weekText = [\'日\', \'一\', \'二\', \'三\', \'四\', \'五\', \'六\'];
                _self.css({
                        width: this.obj.width + \'px\',
                        height: this.obj.height,
                        background: this.obj.background,
                        borderRadius: this.obj.radius,
                        color: this.obj.color,
                        padding: this.obj.padding
                }).append("<div class=\'title\'><p>" + year + \'年\' + (month + 1) + \'月\' + day + \'日\' + "</p><a class=\\'checkBtn\\' href=\"javascript:;\">签到</a></div>");
                $("<ul class=\'week clearfix\'></ul><ul class=\'calendarList clearfix\'></ul>").appendTo(_self);
                for (var i = 0; i < 7; i++) {
                        _self.find(".week").append("<li>" + weekText[i] + "</li>")
                };
                for (var i = 0; i < 42; i++) {
                        html += "<li></li>"
                };
                _self.find(".calendarList").append(html);
                var $li = _self.find(".calendarList").find("li");
                _self.find(".week li").css({
                        width: (_self.width() / 7) + \'px\',
                        height: 50 + \'px\',
                        borderRight: \'1px solid #f90\',
                        boxSizing: \'border-box\',
                        background: \'#b25d06\'
                });
                $li.css({
                        width: (_self.width() / 7) + \'px\',
                        height: 50 + \'px\',
                        borderRight: \'1px solid #f90\',
                        borderBottom: \'1px solid #f90\',
                        boxSizing: \'border-box\',
                        color: "#b25d06"
                });
                _self.find(".calendarList").find("li:nth-child(7n)").css(\'borderRight\', \'none\');
                _self.find(".week li:nth-child(7n)").css(\'borderRight\', \'none\');
                var monthFirst = new Date(year, month, 1).getDay();
                var d = new Date(year, (month + 1), 0)
                var totalDay = d.getDate(); //获取当前月的天数
                for (var i = 0; i < totalDay; i++) {
                        $li.eq(i + monthFirst).html(i + 1);
                        $li.eq(i + monthFirst).addClass(\'data\' + (i + 1))
                        if (isArray(this.obj.dateArray)) {
                                for (var j = 0; j < this.obj.dateArray.length; j++) {
                                        if (i == this.obj.dateArray[j]) {
                                                // 假设已经签到的
                                                $li.eq(i + monthFirst).addClass(\'checked\');
                                        }
                                }
                        }
                }
                //$li.eq(monthFirst+day-1).css(\'background\',\'#f7ca8e\')
                _self.find($(".data" + day)).addClass(\'able-qiandao\');
        }
        var isChecked = false;
        Checkin.prototype.events = function() {
                var _self = this.ele;
                var $li = _self.find(".calendarList").find("li");
                $li.on(\'click\', function(event) {
                        event.preventDefault();
                        /* Act on the event */
                        if ($(this).hasClass(\'able-qiandao\')) {
                                $(this).addClass(\'checked\');
                                modal(_self);
                                isChecked = true;
                        }
                });
                var checkBtn = _self.find(".checkBtn");
                checkBtn.click(function(event) {
                        modal(_self);
                        _self.find(\'.able-qiandao\').addClass(\'checked\');
                        isChecked = true;
                });
        }
        var modal = function(e) {
                var mask = e.parents().find(".mask");
                var close = e.parents().find(".closeBtn");
                if (mask && !isChecked) {
                        mask.addClass(\'trf\');
                } else {
                        return
                };
                close.click(function(event) {
                        event.preventDefault();
                        mask.removeClass(\'trf\')
                });
                e.parents().find(\'.checkBtn\').text("已签到");
        }
        $.fn.Checkin = function(options) {
                var checkin = new Checkin(this, options);
                var obj = [checkin.init(), checkin.events()]
                return obj
        }
        var isArray = function(arg) {
                return Object.prototype.toString.call(arg) === \'[object Array]\';
        };
})(jQuery);
// 插件调用
$(".checkin").Checkin();
// 元素居中显示，与插件无关，根本自己需要修改；
$(".checkin").css(\'marginTop\',parseInt(($(window).innerHeight()-$(".checkin").outerHeight())/2)+\'px\');