- (void)viewDidLoad {

    [super viewDidLoad];

    UILabel *labelLoginname = [[UILabel alloc] initWithFrame:CGRectMake(,,,)];

    //[labelLoginname setNumberOfLines:0];

    NSString *s = @"账号：";

    UIFont *font = [UIFont fontWithName:@"Arial" size:];

    CGSize size = CGSizeMake(,);

    NSDictionary *attribute = @{NSFontAttributeName: [UIFont systemFontOfSize:]};

    CGSize labelsize = [s boundingRectWithSize:size options: NSStringDrawingUsesFontLeading  attributes:attribute context:nil].size;

    labelLoginname.frame = CGRectMake(80.0, 80.0, labelsize.width, labelsize.height);

    labelLoginname.backgroundColor = [UIColor whiteColor];

    labelLoginname.textColor = [UIColor blackColor];

    labelLoginname.text = s;

    labelLoginname.font = font;

    [self.view addSubview:labelLoginname];
}