requestbody requestparam pathvariableÇ°¶Ë¶Ëʵս£¬ÈÃÄã³¹µ×Á˽âÈçºÎ´«Öµ

public interface RequestBodyAdvice {
?
    boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType);
?
    HttpInputMessage convertHttpInputMessage(HttpServletRequest request, Object hint) throws IOException;
?
    Object afterBodyRead(Object body, Class<?> type, Class<? extends HttpMessageConverter<?>> converterType, HttpServletRequest request, Object hint) throws IOException;
?
}

public class RequestMappingHandlerAdapter extends AbstractHandlerMethodAdapter {
?
    // ...
?
    private RequestBodyMethodArgumentResolver requestBodyArgumentResolver;
?
    // ...
?
    @Override
    public boolean supportsInternal(HttpServletRequest request, HandlerMethod handlerMethod) {
        // ...
    }
?
    // ...
?
}

¸´ÖÆpublic class RequestMappingHandlerMapping extends AbstractHandlerMethodMapping<RequestMapping> {
?
    // ...
?
    private List<HandlerMethodArgumentResolver> argumentResolvers;
?
    // ...
?
    @Override
    protected HandlerMethod getHandlerInternal(HttpServletRequest request) throws Exception {
        // ...
    }
?
    // ...
?
}

?
@Data
public class User {
    private Long id;
    private String username;
    private String email;
}

@RestController
@RequestMapping("/api/users")
public class UserController {
?
    @Resource
    private UsersService userService;
?
    /**
     * ´´½¨Óû§
     *
     * @param user Òª´´½¨µÄÓû§¶ÔÏó
     * @return ResponseEntity °üº¬´´½¨µÄÓû§¶ÔÏó
     */
    @PostMapping
    public ResponseEntity<Users> createUser(@RequestBody Users user) {
        userService.save(user);
        return ResponseEntity.ok(user);
    }
?
    /**
     * »ñÈ¡Óû§ÐÅÏ¢
     *
     * @param id Óû§ID
     * @return ResponseEntity °üº¬Óû§ÐÅÏ¢µÄ×Ö·û´®
     */
    @GetMapping("/{id}")
    public ResponseEntity<Users> getUser(@PathVariable("id") Long id) {
        Users user = userService.getById(id);
        return ResponseEntity.ok(user);
    }
?
    /**
     * ¸üÐÂÓû§ÐÅÏ¢
     *
     * @param id   Òª¸üеÄÓû§ID
     * @param user ¸üкóµÄÓû§¶ÔÏó
     * @return ResponseEntity °üº¬¸üкóµÄÓû§¶ÔÏó
     */
    @PutMapping("/{id}")
    public ResponseEntity<Users> updateUser(@PathVariable("id") Long id, @RequestBody Users user) {
        // ʵ¼ÊÇé¿öÖУ¬´Ë´¦Ó¦¸Ã¸üÐÂÓû§ÐÅÏ¢µ½Êý¾Ý¿âÖÐ
        user.setId(id);
        userService.updateById(user);
        // ·µ»Ø¸üкóµÄÓû§¶ÔÏó
        return ResponseEntity.ok(user);
    }
?
    /**
     * ¸ù¾ÝÓû§ÃûËÑË÷Óû§
     *
     * @param username ÒªËÑË÷µÄÓû§Ãû
     * @return ResponseEntity °üº¬ËÑË÷½á¹ûµÄ×Ö·û´®
     */
    @GetMapping("/search")
    public ResponseEntity<Users> searchUserByUsername(@RequestParam("username") String username) {
        QueryWrapper<Users> queryWrapper=new QueryWrapper<>();
        queryWrapper.eq("username", username);
        Users user = userService.getOne(queryWrapper);
        return ResponseEntity.ok(user);
    }

<template>
  <div>
    <h1>Óû§¹ÜÀí</h1>
    <form @submit.prevent="createUser">
      <input type="text" v-model="newUser.username" placeholder="̞" required>
      <input type="email" v-model="newUser.email" placeholder="ÓÊÏä" required>
      <button type="submit">´´½¨Óû§</button>
    </form>
?
    <h2>ËÑË÷Óû§</h2>
    <input type="text" v-model="searchUsername" placeholder="ÊäÈëÓû§Ãû">
    <button @click="searchUser">ËÑË÷</button>
?
    <h2>Óû§ÐÅÏ¢</h2>
    <div v-if="user">
      <p><strong>ID:</strong> {{ user.id }}</p>
      <p><strong>̞:</strong> {{ user.username }}</p>
      <p><strong>ÓÊÏä:</strong> {{ user.email }}</p>
    </div>
?
    <h2>¸üÐÂÓû§ÐÅÏ¢</h2>
    <form v-if="user" @submit.prevent="updateUser">
      <input type="text" v-model="updateUserModel.username" placeholder="̞" required>
      <input type="email" v-model="updateUserModel.email" placeholder="ÓÊÏä" required>
      <button type="submit">¸üÐÂÓû§ÐÅÏ¢</button>
    </form>
  </div>
</template>
?
<script setup>
import { ref } from 'vue';
import axios from 'axios';
?
const newUser = ref({ username: '', email: '' });
const user = ref(null);
const searchUsername = ref('');
const updateUserModel = ref({ username: '', email: '' });
?
const createUser = async () => {
  try {
    const response = await axios.post('/api/users', newUser.value);
    user.value = response.data;
    newUser.value = { username: '', email: '' }; // Çå¿Õ±íµ¥
  } catch (error) {
    console.error('´´½¨Óû§Ê§°Ü:', error);
  }
};
?
const searchUser = async () => {
  try {
    const response = await axios.get('/api/users/search', {
      params: { username: searchUsername.value }
    });
    user.value = response.data;
    // ÔÚËÑË÷Óû§ºó£¬µ÷ÓÃgetUserº¯ÊýÒÔ±ã»ñÈ¡ÍêÕûÓû§ÐÅÏ¢
    getUser(response.data.id);
  } catch (error) {
    console.error('ËÑË÷Óû§Ê§°Ü:', error);
  }
};
?
const getUser = async (id) => {
  try {
    const response = await axios.get(`/api/users/${id}`);
    user.value = response.data;
    updateUserModel.value = { username: response.data.username, email: response.data.email }; // ¸üиüÐÂÓû§ÐÅÏ¢±íµ¥
  } catch (error) {
    console.error('»ñÈ¡Óû§ÐÅϢʧ°Ü:', error);
  }
};
?
const updateUser = async () => {
  try {
    const response = await axios.put(`/api/users/${user.value.id}`, updateUserModel.value);
    user.value = response.data;
    updateUserModel.value = { username: '', email: '' }; // Çå¿Õ±íµ¥
  } catch (error) {
    console.error('¸üÐÂÓû§ÐÅϢʧ°Ü:', error);
  }
};
</script>