/D:/workspace/helloWorld/src/main/java/com/jack/controller/UserController.java:[4,26] 程序包javax.servlet.http不存在
[ERROR] /D:/workspace/helloWorld/src/main/java/com/jack/controller/UserController.java:[21,31] 找不到符号
符号: 类 HttpServletRequest
位置: 类 com.jack.controller.UserController
[ERROR] /D:/workspace/helloWorld/src/main/java/com/jack/controller/UserController.java:[21,31] 找不到符号
符号: 类 HttpServletRequest
位置: 类 com.jack.controller.UserController
[INFO] 2 errors
引入maven中pom文件中引入jar包就可以了
<!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>