- (void)viewDidLoad {  [super viewDidLoad];  // Do any additional setup after loading the view, typically from a nib.    //獲得現(xiàn)在的時(shí)間  [self currentTime];}#pragma -mark -functions//計(jì)算現(xiàn)在的時(shí)間- (void)currentTime{  //時(shí)間格式  NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];  [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];  //現(xiàn)在時(shí)間  NSDate * currentdate = [NSDate date];  NSString * currentDateString = [dateFormatter stringFromDate: currentdate];  NSLog(@"---currentDateString--%@",currentDateString);}

2015-10-23 10:15:24.928 計(jì)算現(xiàn)在的時(shí)間[1607:61610] ---currentDateString--2015-10-23 10:15:24