iOS-代理托付的使用
#import "Rigester_ViewController.h"
#import "Rigester_ViewController.h"
@interface Rigester_ViewController ()
@end
@implementation Rigester_ViewController
*
正向傳值能夠用屬性
反向傳值代理Block
代理：又叫托付 自己不能辦得事托付給別人去幹
UIAlertView,UITextField 都使用了代理
寫代理的步驟：
// 須要代理，托付的人
1.聲明代理裏面的協議方法（@protocol）
2.聲明協議的屬性
3.什麽時候須要觸發這個代理方法
4.通過協議的屬性調用代理方法（托付）
// 代理者。被托付的人須要做的事
5.導入協議
6.在初始化有代理方法的對象的地方 掛上代理（代理者響應代理）
7.寫上代理方法 等待被運行
*/
- (void)viewDidLoad {
[super viewDidLoad];
self.title = _titleName;
UIButton *rigesterButton = [UIButton buttonWithType:UIButtonTypeCustom];
rigesterButton.frame = CGRectMake(150, 550, 100, 50);
[self.view addSubview:rigesterButton];
rigesterButton.backgroundColor = [UIColor orangeColor];
rigesterButton.showsTouchWhenHighlighted = YES;
rigesterButton.layer.cornerRadius = 10;
[rigesterButton setTitle:@"註冊" forState:UIControlStateNormal];
[rigesterButton addTarget:self action:@selector(toRigester) forControlEvents:UIControlEventTouchUpInside ];
}
//什麽時候觸發這個代理方法
- (void)toRigester
{
[self.navigationController popViewControllerAnimated:YES];
// 4.通過協議的屬性調用代理的方法
[self.delegate toLoginWithName:@"JZQ"];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end
@interface Rigester_ViewController ()
@end
@implementation Rigester_ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.title = _titleName;
UIButton *rigesterButton = [UIButton buttonWithType:UIButtonTypeCustom];
rigesterButton.frame = CGRectMake(150, 550, 100, 50);
[self.view addSubview:rigesterButton];
rigesterButton.backgroundColor = [UIColor orangeColor];
rigesterButton.showsTouchWhenHighlighted = YES;
rigesterButton.layer.cornerRadius = 10;
[rigesterButton setTitle:@"註冊" forState:UIControlStateNormal];
[rigesterButton addTarget:self action:@selector(toRigester) forControlEvents:UIControlEventTouchUpInside ];
}
//什麽時候觸發這個代理方法
- (void)toRigester
{
[self.navigationController popViewControllerAnimated:YES];
// 4.通過協議的屬性調用代理的方法
[self.delegate toLoginWithName:@"JZQ"];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
@end
iOS-代理托付的使用