SpringBoot自定义请求前缀的代码步骤

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>3.5.6</version>
    </parent>
    <properties>
        <maven.compiler.source>21</maven.compiler.source>
        <maven.compiler.target>21</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
 
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>

server:
    servlet:
        context-path: /myapp

package com.nodcat.api;
 
import org.springframework.web.bind.annotation.RequestMapping;
 
@RequestMapping("/api")
public abstract class AbsUserController {
}

package com.nodcat;
 
import com.nodcat.api.AbsUserController;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
 
@RestController
public class UserController extends AbsUserController {
 
    @GetMapping("/users")
    public String user() {
        return "Hello, user!";
    }
}

package com.nodcat.config;
 
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
import java.util.Map;
 
@Configuration
public class WebMvcConfig implements WebMvcConfigurer {
    //app商家接口
    //app消费者接口
    //管理员接口
    //开放接口
    private final Map<String, String> prefixToPackage = Map.of(
            "/app/merchant", "com.nodcat.api.app.merchant",
            "/app/consumer", "com.nodcat.api.app.consumer",
            "/admin", "com.nodcat.api.admin",
            "/open", "com.nodcat.api.open"
    );
 
    @Override
    public void configurePathMatch(PathMatchConfigurer configurer) {
        prefixToPackage.forEach((prefix, pkg) ->
                configurer.addPathPrefix(prefix, c -> c.getPackage().getName().startsWith(pkg))
        );
    }
}