iOS 获得现在的时间代码

- (void)viewDidLoad {  [super viewDidLoad];  // Do any additional setup after loading the view, typically from a nib.    //获得现在的时间  [self currentTime];}#pragma -mark -functions//计算现在的时间- (void)currentTime{  //时间格式  NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];  [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];  //现在时间  NSDate * currentdate = [NSDate date];  NSString * currentDateString = [dateFormatter stringFromDate: currentdate];  NSLog(@"---currentDateString--%@",currentDateString);}

2015-10-23 10:15:24.928 计算现在的时间[1607:61610] ---currentDateString--2015-10-23 10:15:24