时间转换
-(NSString*)time:(NSString*)num{
NSDateFormatter *inputFormatter = [[NSDateFormatter alloc] init];
[inputFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US"]];
[inputFormatter setDateFormat:@"yyyyMMdd"];
NSDate* inputDate = [inputFormatter dateFromString:num];
NSDateFormatter *outputFormatter = [[NSDateFormatter alloc] init];
[outputFormatter setLocale:[NSLocale currentLocale]];
[outputFormatter setDateFormat:@"yyyy年MM月dd日"];
NSString *str = [outputFormatter stringFromDate:inputDate];
return str;
}