将UTC时间格式转成北京时间格式

/*将UTC时间格式转成北京时间格式*@param {UTCTime} 需要转换的时间，如：Fri Oct 31 18:00:00 UTC+0800 2008*@return 返回结果,如：2008-10-31 18:00:00*/function UTCToDate(UTCTime) {    if (UTCTime != null && UTCTime != "" && UTCTime != undefined && UTCTime != "undefined" && UTCTime != "null") {        UTCTime = UTCTime + "";        var BjTime = "";        var month = new Array();        month["Jan"] = 1; month["Feb"] = 2; month["Mar"] = 3; month["Apr"] = 4; month["May"] = 5; month["Jun"] = 6;        month["Jul"] = 7; month["Aug"] = 8; month["Sep"] = 9; month["Oct"] = 10; month["Nov"] = 11; month["Dec"] = 12;        var week = new Array();        week["Mon"] = "一"; week["Tue"] = "二"; week["Wed"] = "三"; week["Thu"] = "四"; week["Fri"] = "五"; week["Sat"] = "六"; week["Sun"] = "日";        str = UTCTime.split(" ");        BjTime = str[5] + "-";        BjTime = BjTime + month[str[1]] + "-" + str[2] + " " + str[3];        //date=date+" 周"+week[str[0]];        return BjTime;    }}