// 在bootstrap-datetimepicker.js文件内容前面加入以下代码，可解决ie8对indexOf的支持问题
if (!Array.prototype.indexOf){
        Array.prototype.indexOf = function(elt ){
        var len = this.length >>> 0;
        var from = Number(arguments[1]) || 0;
        from = (from < 0)
             ? Math.ceil(from)
             : Math.floor(from);
        if (from < 0)
          from += len;
        for (; from < len; from++)
        {
          if (from in this &&
              this[from] === elt)
            return from;
        }
        return -1;
      };
    }