springboot http请求

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

@RestController
@RequestMapping("/api")
public class MyController {

    @GetMapping("/hello")
    public String sayHello() {
        return "Hello, World!";
    }

    @PostMapping("/user")
    public String createUser(@RequestBody User user) {
        // 处理用户创建逻辑
        return "User created successfully";
    }

    @PutMapping("/user/{id}")
    public String updateUser(@PathVariable Long id, @RequestBody User user) {
        // 处理用户更新逻辑
        return "User updated successfully";
    }

    @DeleteMapping("/user/{id}")
    public String deleteUser(@PathVariable Long id) {
        // 处理用户删除逻辑
        return "User deleted successfully";
    }
}

class User {
    private Long id;
    private String name;
    // getters and setters
}

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class WebConfig implements WebMvcConfigurer {

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/api/**")
                .allowedOrigins("*")
                .allowedMethods("GET", "POST", "PUT", "DELETE")
                .allowedHeaders("*");
    }
}