iPhone之block_全局block

Apr 7th, 2013 | Comments

可以将一个块变量作为全局块指针变量使用。如下声明：

void (^showInfomationBlock)(NSString* infomaion) = ^(NSString* infomaion){
    NSLog(@"infomation:%@", infomaion);
};

可以如下调用：

showInfomationBlock(@"我是全局块");

输出为

2013-04-07 13:59:28.037 test[8201:c303] infomation:我是全局块

和全局变量，静态变量类似，全局block不会超过作用域，不用担心CRASH。

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