//判断时间戳(time)距离现在是否大于(specifiedTime)小时
- (BOOL)compareTime:(NSString *)time greaterThanSpecifiedTime:(CGFloat)specifiedTime
{
//MicrosecondsTimeStamp为当前时间，毫秒级
NSTimeInterval balance = MicrosecondsTimeStamp/1000 - [time longLongValue]/1000;
NSString*timeString = [[NSString alloc]init];
timeString = [NSString stringWithFormat:@"%f",balance /60];
//相差的时间
timeString = [timeString substringToIndex:timeString.length-7];
NSInteger timeInt = [timeString intValue];
NSInteger hour = timeInt /60;
NSInteger mint = timeInt %60;
if (hour > specifiedTime) {
return YES;
}else if (hour == specifiedTime && mint > 0) {
return YES;
}else
return NO;
}