format(date,partten) {
                        if (partten == null || partten == '') {
                    partten = 'y-m-d';
                }
                var y = date.getYear();
                var m = date.getMonth() + 1;
                var d = date.getDate();
                var r = partten.replace(/y+/gi, y);
                r = r.replace(/m+/gi, (m < 10 ? "0" : "") + m);
                r = r.replace(/d+/gi, (d < 10 ? "0" : "") + d);
                return r;
            }

日期兼容ios

let date = new Date(Date.parse(strTime.replace(/-/g, "/"))); //转换成Data();