［object-c]像java一样优雅的写回调

最新推荐文章于 2024-06-10 11:01:26 发布

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最新推荐文章于 2024-06-10 11:01:26 发布

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    void (^block)(NSString *cmd, NSDictionary *retDict) = ^(NSString *cmd, NSDictionary *retDict){
        NSLog(@"%@, %@", cmd, retDict);
    };
    int cmd = 3;
    NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithObjectsAndKeys:block, @"3", nil];
    
    void (^block2)(NSString *cmd, NSDictionary *retDict) = [dict valueForKey:@"3"];
    block2(@"100", [NSDictionary dictionaryWithObjectsAndKeys:@"1", @"1", nil]);