来自带有PathVariable的API的XML响应

import org.springframework.web.bind.annotation.*;

@RestController
@RequestMapping("/users")
public class UserController {

    @GetMapping("/{userId}")
    public User getUser(@PathVariable String userId) {
        // 模拟从数据库获取用户信息
        User user = new User();
        user.setId(userId);
        user.setName("John Doe");
        user.setEmail("john.doe@example.com");
        return user;
    }
}

class User {
    private String id;
    private String name;
    private String email;

    // Getters and Setters
}

<User>
    <id>12345</id>
    <name>John Doe</name>
    <email>john.doe@example.com</email>
</User>

import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;

class User {
    @JacksonXmlProperty(localName = "id")
    private String id;

    @JacksonXmlProperty(localName = "name")
    private String name;

    @JacksonXmlProperty(localName = "email")
    private String email;

    // Getters and Setters
}

@GetMapping("/{userId}")
public ResponseEntity<User> getUser(@PathVariable String userId) {
    if (userId == null || userId.isEmpty()) {
        return ResponseEntity.badRequest().build();
    }
    // 正常逻辑
}