//UILabel;UILabel *nameLabel = [[UILabel alloc] init];//初始化nameLabel.frame = CGRectMake(10, 100, 100, 30);//位置，和大小nameLabel.text = @"Tiotoy";                     //Label所显示的内容nameLabel.text.font = [UIFont systemFontOfSize:18];    //设置字体nameLabel.textColor = [UIColor redColor];       //Label的字体颜色nameLabel.backgroundColor = [UIColor yellowColor];//Label的北京颜色nameLabel.textAlignment = UITextAlignmentCenter;    //Label中字体的对齐方式[self.view addSubview:nameLabel];[nameLabel release];

    //UITextField （需要设置代理）<UITextFieldDelegate>UITextField *textFiled = [[UITextField alloc] initWithFrame:CGRectMake(10, 140, 100, 30)];//初始化textFiled.delegate = self;              //设置代理textFiled.borderStyle = UITextBorderStyleRoundedRect;//UITextField的边框样式textFiled.keyboardType = UIKeyboardTypeDefault;//键盘的类型textFiled.returnKeyType = UIReturnKeyDone;      //返回键的类型textFiled.clearButtonMode = UITextFieldViewModeAlways;  //用于添加文字后面的清除按钮[self.view addSubview:textFiled];//把 UITextField对象 添加到一个View上[textFiled release];

    //UIButton UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];//初始化[btn setFrame:CGRectMake(100,100,100, 30)];    //设置Frame[btn setTitle:@"123" forState:UIControlStateNormal];//设置按钮的Title，和状态，此为正常状态[btn setTitle:@"456" forState:UIControlStateHighlighted];//设置按钮的Title，和状态，此为高亮状态[btn setImage:[UIImage imageNamed:@"button_all.png"] forState:UIControlStateNormal];//将正常状态的显示成图片[btn setImage:[UIImage imageNamed:@"button_End.png"] forState:UIControlStateHighlighted];//将高亮状态显示为图片//点击Button时的触发事件[btn addTarget:self         //实现事件的位置action:@selector(doAction) //点击Button时的会触发此方法forControlEvents:UIControlEventTouchUpInside];//触发的方式
    [self.window addSubview:btn];
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扩充：UIImage *buttonBackgroundImage = [[UIImage imageNamed:@"button_background.png"] stretchableImageWithLeftCapWidth:5 topCapHeight:5];[button setBackgroundImage:buttonBackgroundImage forState:UIControlStateNormal];
---------------------------------------------------------------------------------------------UIImage *buttonBackgroundImage = [[UIImage imageNamed:@"button_background.png"] stretchableImageWithLeftCapWidth:5 topCapHeight:5];UIImage *disabledButtonBackgroundImage = [[UIImage imageNamed:@"button_background_disabled.png"] stretchableImageWithLeftCapWidth:5 topCapHeight:5];UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];button.frame = frame;[button setBackgroundImage:buttonBackgroundImage forState:UIControlStateNormal];[button setBackgroundImage:disabledButtonBackgroundImage forState:UIControlStateDisabled];[button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];[button setTitleColor:[UIColor grayColor] forState:UIControlStateDisabled];[button addTarget:self action:action forControlEvents:UIControlEventTouchUpInside];[self.view addSubview:button];
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