A頁面：
#import "AViewController.h"
@property(nonatomic, copy)void (^ClubCardViewModelBlock)(NSDictionary * dict);
#import "AViewController.m"
if (self.ClubCardViewModelBlock){
NSDictionary * dict = @{@"name":@"xvbobo",@"age":@"26"};? ? ?
self.ClubCardViewModelBlock (dict)
}
B頁面：
#import "BViewController.m"
#import "AViewController.h"
AViewController * A = [[AViewController alloc] init];
A.ClubCardViewModelBlock = ^(NSDictionary * dict){
? NSLog(@"%@",dict);
}
