var _TimeCountDown = new TimeCountDown("sttime1",{

startTime:'2016-07-30 10:07:55',	//开始时间

endTime:'2016-07-30 10:08:00',	//结束时间

timeCallBack:"timeOverfun", //回调函数

});

/**

 * @author wanghaitao

 * @param sttime1 id

 * @param startTime 开始时间

 * @param endTime 结束时间

 * @param timeCallBack 回调函数

 *

 * 	var _TimeCountDown = new TimeCountDown("sttime1",{

		startTime:'2016-07-30 10:07:55',		//开始时间

		endTime:'2016-07-30 10:08:00',			//结束时间

		timeCallBack:"timeOverfun",  //回调函数

	});

 */

(function(window,undefined){

	var TimeCountDown = function(container, params){

		if(!(this instanceof TimeCountDown)) return new TimeCountDown(container, params);

	   var defaults = {

		 		endTime:'',			//title

				startTime:'',		//请传入ID，或DOM对象

				Lid:'',

				leftTitle:"倒计时:",//左侧名称

				colonStat:false,//是否把小时分转换成：

				timeCallBack:null	//关闭执行的回调函数

	   }

	   params = params || {};

       var originalParams = {};

       for (var param in params) {

            if (typeof params[param] === 'object' && params[param] !== null && !(params[param].nodeType || params[param] === window || params[param] === document || (typeof Dom7 !== 'undefined' && params[param] instanceof Dom7) || (typeof jQuery !== 'undefined' && params[param] instanceof jQuery))) {

                originalParams[param] = {};

                for (var deepParam in params[param]) {

                    originalParams[param][deepParam] = params[param][deepParam];

                }

            }

            else {

                originalParams[param] = params[param];

            }

       }

	   for (var def in defaults) {

            if (typeof params[def] === 'undefined') {

                params[def] = defaults[def];

            }

            else if (typeof params[def] === 'object') {

                for (var deepDef in defaults[def]) {

                    if (typeof params[def][deepDef] === 'undefined') {

                        params[def][deepDef] = defaults[def][deepDef];

                    }

                }

            }

      }

       var s = this;

        // Params

        s.params = params;

	 	s.container = container;

        s.currentBreakpoint = undefined;

		s.calculateTime = function(){

			var startTime = s.vert(this.params.startTime);

			var endTime = s.vert(this.params.endTime);

			var time = endTime - startTime;  //时间差的毫秒数 ;

			return time;

		}

		s.vert = function(time){

			if(typeof time == "undefined" || time==""){

				return false;

			}

			var strtime = (time).replace(/-/g,"/");

			var date1 = new Date(strtime);

			return parseInt(date1.getTime());

		}

		s.nTime = s.calculateTime();

		s.countdown();

	};

	TimeCountDown.prototype = {

			countdown:function(){

					var interval = 1000; //毫秒

					var time;

				 	this.nTime = this.nTime - interval; 

				  	var leave1 = this.nTime;//计算天数后剩余的毫秒数

				 	var t = Math.floor(Math.floor((leave1/(3600*1000))/24));

				  	var hleave = this.nTime%((24*3600*1000));

				  	//把剩余毫秒数转换为小时

					var h = Math.floor(hleave/(3600*1000)) < 10 ? "0"+ Math.floor(hleave/(3600*1000)) : Math.floor(hleave/(3600*1000));

					var leave2 = this.nTime%(3600*1000);        //计算小时数后剩余的毫秒数

					//把转换小时之后，剩余毫秒数转换为分钟

					var m = Math.floor(leave2/(60*1000)) < 10 ? "0" + Math.floor(leave2/(60*1000)) : Math.floor(leave2/(60*1000));

					//把转换分钟之后，剩余毫秒数转换为秒

					var leave3 = leave2%(60*1000);      //计算分钟数后剩余的毫秒数

					var s = Math.round(leave3/1000) < 10 ? "0" + Math.round(leave3/1000) : Math.round(leave3/1000);	

				 	if(!this.params.colonStat){

					 	if(t == 0){

					 		time = this.params.leftTitle+"<span>" + h + "</span><label>时</label><span>" + m + "</span><label>分</label><span>" + s + "</span><label>秒<label>";

					 	}else{

					 		time = this.params.leftTitle+"<span>" + t + "</span><label>天</label><span>" + h + "</span><label>时</label><span>" + m + "</span><label>分</label><span>" + s + "</span><label>秒<label>";

					 	}

				 	}else{

					 		time = this.params.leftTitle+"<span>" + h + "</span><label>:</label><span>" + m + "</span><label>:</label><span>" + s + "</span><label><label>";

				 	}

					var callBackTime = t+h+m+s;

					document.querySelector("#"+this.container).innerHTML = time;

					if(callBackTime <= 0){

						eval(this.params.timeCallBack);

						return false;

					}

					var that = this;

					setTimeout(function(){

						that.countdown();

					},interval);

			}

	}

	window.TimeCountDown=TimeCountDown;

})(window,undefined);