Java 面对o.s.web.servlet.PageNotFound:我的spring引导项目中没有GET/问题的映射
我试图在我的项目中使用SpringBoot实现REST微服务。我已经为登录页面创建了一个控制器,还创建了存储库。 但是,在点击URL时,我遇到了一个问题:o.s.web.servlet.PageNotFound:GET没有映射。 主类Java 面对o.s.web.servlet.PageNotFound:我的spring引导项目中没有GET/问题的映射,java,spring,spring-boot,Java,Spring,Spring Boot,我试图在我的项目中使用SpringBoot实现REST微服务。我已经为登录页面创建了一个控制器,还创建了存储库。 但是,在点击URL时,我遇到了一个问题:o.s.web.servlet.PageNotFound:GET没有映射。 主类 @ComponentScan(basePackages = {"com.springboot.controller.repository"}) @EntityScan(basePackages="com.springboot.cont
@ComponentScan(basePackages = {"com.springboot.controller.repository"})
@EntityScan(basePackages="com.springboot.controller.model")
@EnableJpaRepositories(basePackages="com.springboot.controller.repository")
@SpringBootApplication
public class CunsultustodayWebServicesApplication {
public static void main(String[] args) {
SpringApplication.run(CunsultustodayWebServicesApplication.class, args);
}
}
控制器
@RestController
@ComponentScan
@Controller
public class LoginController {
@Autowired(required=true)
private UserRepo userrepo;
@RequestMapping("/")
public String checkMVC()
{
return "Login";
}
@RequestMapping("/login")
public String loginHome(@RequestParam("email") String email, @RequestParam("password") String password, Model model)
{
User u = null;
try {
u= userrepo.findByEmail(email);
}
catch(Exception ex) {
System.out.println("User Not Found!!!");
}
if(u!=null) {
model.addAttribute("email", email);
return "HomePage";
}
return "Login";
}
}
存储库
@Service("UserRepo")
public interface UserRepo extends JpaRepository<User,Integer> {
User findByEmail(String email);
}
@服务(“UserRepo”)
公共接口UserRepo扩展了JpaRepository{
用户findByEmail(字符串电子邮件);
}
pom.xml
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.4.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.springboot.controller</groupId>
<artifactId>cunsultustoday-web-services</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>cunsultustoday-web-services</name>
<description>Demo project for Spring Boot</description>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>commons-configuration</groupId>
<artifactId>commons-configuration</artifactId>
<version>1.9</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
<exclusions>
<exclusion>
<groupId>io.lettuce</groupId>
<artifactId>lettuce-core</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
org.springframework.boot
spring启动程序父级
2.4.3
com.springboot.controller
cunsultustoday web服务
0.0.1-快照
cunsultustoday web服务
SpringBoot的演示项目
UTF-8
UTF-8
1.8
org.springframework.boot
spring引导启动器数据jpa
org.springframework.boot
SpringBootStarterWeb
org.apache.tomcat.embed
汤姆卡特·贾斯珀
假如
共用配置
共用配置
1.9
javax.servlet
jstl
假如
mysql
mysql连接器java
运行时
org.springframework.boot
弹簧起动试验
测试
org.springframework.boot
spring启动程序数据redis
生菜
莴苣核
redis.clients
绝地武士
org.springframework
SpringWebMVC
org.springframework.boot
springbootmaven插件
请帮我找到解决办法。谢谢您的控制器可能没有被ComponentScan拾取,因为您仅限于用于扫描的软件包 试试这个:
// note @ComponentScan is removed as it is included already in @SpringBootApplication
@EnableJpaRepositories
@SpringBootApplication
public class CunsultustodayWebServicesApplication {
...
这是:
// note @Controller and @CompnentScan are removed
@RestController
public class LoginController {
您有一些软件包吗?您已经在Spring boot Apply annotated类上只使用存储库软件包进行了组件扫描,如果您有其他带有controller或其他的软件包,它们将不会被扫描,并且您可能因此而面临问题。谢谢您的建议。好的,我将进行此更改。谢谢你的建议,对我很有效。