IOS秒转日期和注意的细节

(NSString *)dateToTime:(NSInteger)integer {

NSDate *confromTimesp = [NSDate dateWithTimeIntervalSince1970:integer];

NSDateFormatter *dateFormate = [[NSDateFormatter alloc] init];

[dateFormate setDateFormat:@"MM-dd HH:mm"];//IOS mm必须是小写

NSString *timeStr = [dateFormate stringFromDate:confromTimesp];

return timeStr; }