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想让他在找到颜色块时发送数据“i”没找到颜色快时发送数据"j"可是现在只有在找到是发送没找到时就不发送这是为什么是哪里写错了么求指教
如果没有色块,就不会执行for循环,那就不会执行里面的if blob和else。