#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
//创建普通按钮函数
- (void) creatUIRectButton
{
//创建一个btn对象,根据类型创建btn
//圆角类型btn:UIButtonTypeRoundedRect
//通过类方法创建buttonWithType:类名加方法名
UIButton *btn =[UIButton buttonWithType:UIButtonTypeRoundedRect];
//设置button按钮的位置
btn.frame = CGRectMake(100, 100, 100, 40);
//设置按钮的文字内容
//@parameter
//P1:字符串类型,显示到按钮上的文字
//P2:设置文字显示的状态类型
[btn setTitle:@"按钮01" forState:UIControlStateNormal];//正常状态
[btn setTitle:@"按钮按下" forState:UIControlStateHighlighted];//正常状态高亮控制
//灰色背景颜色
btn.backgroundColor = [UIColor grayColor];
//设置按钮文字颜色P1:颜色 P2:状态
[btn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
//设置按下状态的颜色
[btn setTitleColor:[UIColor orangeColor] forState:UIControlStateHighlighted];
//设置按钮的风格颜色
[btn setTintColor:[UIColor whiteColor]];
//titilelabel:UIlabel空间
btn .titleLabel.font = [UIFont systemFontOfSize:24];
//添加到视图中并 显示
[self.view addSubview:btn];
}
- (void) creatImageBtn//图片按钮
{
//创建一个自定义类型的btn
UIButton *btnImage = [UIButton buttonWithType:UIButtonTypeCustom];
btnImage.frame = CGRectMake(100, 200, 100, 100);
UIImage *icon01 = [UIImage imageNamed:@"btn02.jpg"];
UIImage *icon02 = [UIImage imageNamed:@"btn03.jpg"];
//设置按钮图片方法设置。p1显示的图片对象,p2控件的状态
[btnImage setImage:icon01 forState:UIControlStateNormal];
[btnImage setImage:icon02 forState:UIControlStateHighlighted];
[self.view addSubview:btnImage];
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
[self creatUIRectButton];
[self creatImageBtn];
事件处理
- (void) creatButton
{
UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
btn.frame = CGRectMake(100, 100, 80, 40);
[btn setTitle:@"按钮" forState:UIControlStateNormal ];
//向按钮添加事件函数
//p1“谁来实现事件函数,实现的对象就是谁
//p2@selector(pressBtn):函数对象,当按钮满足p3事件类型时调用函数
//p3UIControlevent:事件处理函数类型
//UIControlEventTouchDown当我们的手指碰到屏幕上时
//UIControlEventTouchUpInside:当手指离开屏幕时并且手指的位置在按钮范围内触发事件函数
[btn addTarget:self action:@selector(pressBtn:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
UIButton *btn02 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
btn02.frame = CGRectMake(100, 200, 80, 40);
[btn02 setTitle:@"按钮02" forState:UIControlStateNormal];
[btn02 addTarget:self action:@selector(pressBtn:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn02];
btn.tag = 101;//设置按钮的标记值,身份证号码
btn02.tag = 102;
}
- (void) pressBtn:(UIButton *) btn
{
if(btn.tag == 101){
NSLog(@"按钮被按下");
}
if(btn.tag == 102){
NSLog(@"按钮2被按下");
}
}