ios中的safari转换时间戳问题

exports.exchangeTime = function(date){
        if(date){
            //2016-09-15 15:30:10
            var date_1 = date.split(‘ ‘)[0],
                date_2 = date.split(‘ ‘)[1];
            var y = date_1.split(‘-‘)[0],
                m = date_1.split(‘-‘)[1],
                d = date_1.split(‘-‘)[2],
                h = date_2.split(‘:‘)[0],
                i = date_2.split(‘:‘)[1],
                s = date_2.split(‘:‘)[2];
        }else{
            var now_date = new Date();
            var y = now_date.getFullYear(),
                m = now_date.getMonth() + 1,
                d = now_date.getDate(),
                h = now_date.getHours(),
                i = now_date.getMinutes(),
                s = now_date.getSeconds();
        }
        return Date.UTC(y, m, d, h, i, s);
    }