对cv_bridge未定义的引用，解决办法再cmakelists.txt中添加 find_package{ cv_bridge image_transport } 如下图版权声明：本文为m0_46345373原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。原文链接：https://blog.csdn.net/m0_46345373/article/details/109707637
