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view类中:
MainView.h
//typedef 这个是重新定义,typeof是求类型
typedef void (^RegisterBlock)(NSString*);
//定义block
@property (nonatomic,strong) RegisterBlock registerBlock;
MainView.m
有:按钮的触发时间,设置相应的block
[_serviceLeft addTarget:self action:@selector(reSetPassword) forControlEvents:UIControlEventTouchUpInside];
}
- (void)reSetPassword
{
self.registerBlock(@"ok");
}
@interface RegisterViewController ()
@property (nonatomic,strong) RegisterView *registerView;
@end
@implementation RegisterViewController
#pragma mark 构造函数
- (id)registerView
{
if (!_registerView) {
_registerView = [[RegisterView alloc]init];
}
return _registerView;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.view = self.registerView;
_registerView.registerBlock = ^(NSString * str){
NSLog(@"str is : %@",str);
};
}
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原文地址:http://blog.csdn.net/u012496940/article/details/47298909