idea,springboot问题记录，避免重复踩坑

问题1

 cannot resolve symbol 'springbootapplication' 

解决：

问题2

主程序没问题之后新建java class，没有new java class选项

https://blog.csdn.net/qq_36838191/article/details/80721415

设置为src

 

问题3

Error:(3, 29) java: 程序包org.junit.jupiter.api不存在

添加依赖

<dependency>
    <groupId>org.junit.jupiter</groupId>
    <artifactId>junit-jupiter-api</artifactId>
    <version>5.5.0</version>
    <scope>test</scope>
</dependency>

https://blog.csdn.net/littlehaes/article/details/104088317

 

问题4

编写helloworld代码后浏览器没有正常显示，报 This application has no configured error view, so you are seeing this as a fallback. 

检查注解是否完整，缺少@RestController注解