1.RESTful API
1.1相关知识
1.2实现
在controller文件夹下建立UserController.java:
package com.example.helloworld.controller;
import com.example.helloworld.entity.User;
import org.springframework.web.bind.annotation.*;
@RestController
public class UserController {
@GetMapping("/user/{id}")
public String getUserById(@PathVariable int id) { //@PathVariable 注解配合 @GetMapping("/user/{id}") 中的{id}可以在请求路径中传递参数值并获取到参数值
System.out.println(id);
return "根据id获取用户信息";
}
@PostMapping("/user")
public String save(User user) {
return "添加用户";
}
@PutMapping("/user")
public String update(User user) {
return "更新用户";
}
@DeleteMapping("/user/{id}")
public String deleteById(@PathVariable int id) {
System.out.println(id);
return "根据ID删除用户";
}
}
1.3 测试
进入/user/10:
IDEA里返回了user的id:10,并且LoginInterceptor为上一节课写的拦截器,拦截了/user/
2.Swagger
1.相关知识
2.2 实现
2.2.1 在pom.xml下添加如下依赖
<!--添加swagger2相关功能 -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.9.2</version>
</dependency>
<!--添加swagger-ui相关功能 -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>2.9.2</version>
</dependency>
2.2.3 在config文件夹下创建WebConfig.java
package com.example.helloworld.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
@Configuration
@EnableSwagger2
public class SwaggerConfig {
@Bean
public Docket createRestApi() {
return new Docket(DocumentationType.SWAGGER_2)
.apiInfo(apiInfo())
.select()
.apis(RequestHandlerSelectors.basePackage("com")) //com包下的所有api都交给swagger管理
.paths(PathSelectors.any())
.build();
}
/**
* 创建该API的基本信息(这些基本信息会展现在文档页面中)
* 访问地址:http://项目实际地址/swagger-ui.html
*
* @return
*/
private ApiInfo apiInfo() {
return new ApiInfoBuilder()
.title("Spring Boot中使用Swagger2")
.description("")
.version("1.0")
.build();
}
}