UI: Util

声明

a.h 文件

+ (UILabel *) createLabelWithText: (NSString *) text;

+ (UITextField *) createTextFieldWithPlaceHolder: (NSString *) placeHolder hasPassword: (BOOL) hasPwd;

+ (UIButton *) createButtonWithTitle: (NSString *) title WithTarget: (id ) target withAction: (SEL ) action ;

+ (void)addViews: (NSArray *) views OnViewController: (UIViewController *) viewController;

实现

.m 文件

+ (UILabel *)createLabelWithText:(NSString *)text {

    
    UILabel * label = [[UILabel alloc ] init ];
    
    if (text) {
        label.text = text;
    }

    return label;
}







+ (UITextField *)createTextFieldWithPlaceHolder:(NSString *)placeHolder hasPassword:(BOOL)hasPwd {


    UITextField * textField = [[UITextField alloc ] init ];


    if (placeHolder ) {
    
    
        textField.placeholder = placeHolder;
    
    }

    textField.borderStyle = UITextBorderStyleRoundedRect;
    
    if (hasPwd ) {
    
    
        textField.secureTextEntry = YES;
    
    
    }
    


    return textField ;
}





+ (UIButton *)createButtonWithTitle:(NSString *)title WithTarget:(id)target withAction:(SEL)action {

    UIButton * button = [[UIButton alloc ] init ];
    if (title) {
    
        [button setTitle: title forState:UIControlStateNormal ];
    
    }
    
    
    if ( target && action ) {
        [button addTarget: target action:action forControlEvents:UIControlEventTouchUpInside ];
    }
    
    return button ;

}



+ (void)addViews:(NSArray *)views OnViewController:(UIViewController *)viewController {


    for (UIView * view in views ) {
    
    
        [viewController.view addSubview: view ];
        
    }
    


}

应用

LoginViewController

@implementation LoginViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    
    self.view.backgroundColor = [UIColor whiteColor ];
    
    
    UILabel * nameLabel = [Util createLabelWithText:@"用户名: "  ];
    nameLabel.frame = CGRectMake(40, 100, 80, 40);
    

    
    [Util addViews:@[nameLabel] OnViewController:self];