问题 当运行Test的时候会报错,报错信息如下: 解决办法 修改@SpringBootTest,其中DemoApplication为启动类 @SpringBootTest(classes = DemoApplication.class, webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT) 结果: 参考博客:https://blog.youkuaiyun.com/Lee_01/article/details/103604463