yfdddong的博客

图：度、边、结点关系。

注来自博客：https://blog.youkuaiyun.com/gltncx11/article/details/109491728#:~:text=var%20obj%20%3D%20%7B%20a%3A2%20%7D%3B%20%2F%2F%20%E6%96%B9%E6%B3%95%E4%B8%80,%2F%2F%20true%20obj.hasOwnProperty%20%28%22b%22%29%3B%20%2F%2F%20false%20%2F%2FhasOwnProperty%20%28…%29。

/

发现这篇博客写得很详细：https://blog.youkuaiyun.com/yaya_jn/article/details/124568680解决方案：在测试类上方加上@RunWith(SpringRunner.class)注解原因：注解的意义在于Test测试类要使用注入的类，比如@Autowired注入的类，有了@RunWith(SpringRunner.class)这些类才能实例化到spring容器中，自动注入才能生效。从博客https://blog.youkuaiyun.com/CPrimer0/article/

IDEA整理代码格式idea2020.2下载插件（离线下载）https://blog.youkuaiyun.com/qq_41740883/article/details/106911412修改springboot启动参项https://www.cnblogs.com/qingmuchuanqi48/p/11839317.html#:~:text=%E7%82%B9%E5%87%BB%E9%A1%B9%E7%9B%AE%E4%B8%8B%E6%8B%89%E6%8C%89%E9%92%AE%E5%90%8E%E9%