Parameter ‘userName‘ not found. Available parameters are [name, pwd, param3, userId, param1, param2]直接找参数名字是否写错，建议从html——》controller→service接口→service实现类→mapper接口→mapper.xml顺序过一遍，看不出来建议复制粘贴版权声明：本文为qq_41078608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/qq_41078608/article/details/122586994