iOS中各种UI控件属性设置示例代码

下面就是详细讲解“iOS中各种UI控件属性设置示例代码”的完整攻略。

1. UILabel 属性设置

1.1 设置字体大小和颜色

UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 200, 50)];
label.text = @"Hello World";
label.font = [UIFont systemFontOfSize:16]; //设置字体大小
label.textColor = [UIColor redColor]; //设置字体颜色

1.2 设置字体大小和加粗效果

UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 200, 50)];
label.text = @"Hello World";
label.font = [UIFont boldSystemFontOfSize:16]; //设置加粗字体大小

2. UIButton 属性设置

2.1 设置背景颜色和边框

UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(0, 0, 100, 50);
[button setTitle:@"Click" forState:UIControlStateNormal];
[button setBackgroundColor:[UIColor blueColor]]; //设置背景颜色
button.layer.cornerRadius = 5; //设置圆角
button.layer.borderColor = [UIColor redColor].CGColor; //设置边框颜色
button.layer.borderWidth = 1; //设置边框宽度

2.2 设置图片和响应事件

UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(0, 0, 100, 50);
[button setImage:[UIImage imageNamed:@"image.png"] forState:UIControlStateNormal]; //设置图片
[button addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside]; //设置响应事件

3. UITextField 属性设置

3.1 设置边框和样式

UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(0, 0, 200, 30)];
textField.borderStyle = UITextBorderStyleRoundedRect; //设置边框样式
textField.layer.cornerRadius = 5; //设置圆角
textField.layer.borderColor = [UIColor redColor].CGColor; //设置边框颜色
textField.layer.borderWidth = 1; //设置边框宽度

3.2 设置占位文字和键盘类型

UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(0, 0, 200, 30)];
textField.placeholder = @"请输入内容"; //设置占位文字
textField.keyboardType = UIKeyboardTypeNumberPad; //设置键盘类型为数字键盘

以上就是iOS中各种UI控件属性设置示例代码的完整攻略，希望对您有所帮助。