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//时间戳转化为日期

-(NSString *)UTCchangeDate:(NSString *)utc{

NSTimeInterval time = [utc doubleValue];

NSDate *date=[NSDate dateWithTimeIntervalSince1970:time];

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

[dateformatter setDateFormat:@"MM.dd HH:mm"];

NSString *staartstr=[dateformatter stringFromDate:date];

return staartstr;

}

//日期转化为时间戳

-(NSString *)dataChangeUTC:( NSDate*)date{

NSString *timeSp = [NSString stringWithFormat:@"%ld", (long)[date timeIntervalSince1970]];

return timeSp;

}