（六）SpringBoot整合Swagger2框架

io.springfox
   springfox-swagger2
   2.4.0io.springfox
   springfox-swagger-ui
   2.4.0

package com.example.demo.core.configurer;

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.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

/**
 * @author 
 * @Description:Swagger2 配置文件
 * @time 2018/4/20 22:42
 */
@Configuration
@EnableSwagger2
public class SwaggerConfigurer {

    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.example.demo.controller"))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("mySpringBoot 使用Swagger2构建RESTful APIs")
                .description("更多Spring Boot相关文章请关注：https://juejin.im/user/59e7fb9451882578e1406a51/posts")
                .termsOfServiceUrl("https://juejin.im/user/59e7fb9451882578e1406a51/posts")
                .contact(new Contact("Mr_初晨", "https://gitee.com/beany/mySpringBoot", null))
                .version("1.0")
                .build();
    }
}

package com.example.demo.controller;

@RestController
@RequestMapping("userInfo")
@Api(tags = {"用户操作接口"}, description = "userInfoControler")
public class UserInfoController {

    @Resource
    private UserInfoService userInfoService;

    @PostMapping("/hello")
    public String hello() {
        return "hello SpringBoot";
    }

    @ApiOperation(value = "查询用户", notes = "根据用户ID查询用户")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "id", value = "用户ID", required = true,
                    dataType = "Integer", paramType = "query")
    })
    @PostMapping("/selectById")
    public RetResult selectById(@RequestParam Integer id) {
        UserInfo userInfo = userInfoService.selectById(id);
        return RetResponse.makeOKRsp(userInfo);
    }

    @PostMapping("/testException")
    public RetResult testException(Integer id) {
        List a = null;
        a.size();
        UserInfo userInfo = userInfoService.selectById(id);
        return RetResponse.makeOKRsp(userInfo);
    }


}

@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
    registry.addResourceHandler("swagger-ui.html")
            .addResourceLocations("classpath:/META-INF/resources/");
    registry.addResourceHandler("/webjars/**")
            .addResourceLocations("classpath:/META-INF/resources/webjars/");
    registry.addResourceHandler("/favicon.ico")
            .addResourceLocations("classpath:/META-INF/resources/favicon.ico");
    super.addResourceHandlers(registry);
}