java：一个springfox swagger2的简单例子

# 示例程序

【pom.xml】

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    <version>2.3.12.RELEASE</version>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
    <version>2.3.12.RELEASE</version>
</dependency>
<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-boot-starter</artifactId>
    <version>3.0.0</version>
</dependency>
<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger-ui</artifactId>
    <version>3.0.0</version>
</dependency>

【application.properties】

server.port=8080
spring.application.name=mySwagger

management.server.port=8080
management.endpoints.web.exposure.include=*

【SwaggerConfig.java】

package com.chz.mySwagger.config;

@Configuration
public class SwaggerConfig {

    @Autowired
    private TypeResolver typeResolver;

    @Bean
    public Docket petApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .select()
                .apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any())
                .build()
                .pathMapping("/")
                .directModelSubstitute(LocalDate.class, String.class)
                .genericModelSubstitutes(ResponseEntity.class)
                .alternateTypeRules(
                        newRule(
                                typeResolver.resolve(
                                    DeferredResult.class, typeResolver.resolve(ResponseEntity.class, WildcardType.class)
                                ),
                                typeResolver.resolve(WildcardType.class)
                        )
                )
                .useDefaultResponseMessages(false)
                .globalResponses(HttpMethod.GET,
                        singletonList(new ResponseBuilder()
                                .code("500")
                                .description("500 message")
                                .representation(MediaType.TEXT_XML)
                                .apply(r ->
                                        r.model(m ->
                                                m.referenceModel(ref ->
                                                        ref.key(k ->
                                                                k.qualifiedModelName(q ->
                                                                        q.namespace("some:namespace").name("ERROR")
                                                                )
                                                        )
                                                )
                                        )
                                )
                                .build()))
                .securitySchemes(singletonList(apiKey()))
                .securityContexts(singletonList(securityContext()))
                .enableUrlTemplating(true)
                .globalRequestParameters(
                        singletonList(
                                new springfox.documentation.builders.RequestParameterBuilder()
                                    .name("someGlobalParameter")
                                    .description("Description of someGlobalParameter")
                                    .in(ParameterType.QUERY)
                                    .required(true)
                                    .query(q -> q.model(m -> m.scalarModel(ScalarType.STRING)))
                                    .build()
                        )
                )
                .tags(new Tag("Pet Service", "All apis relating to pets"));
    }

    private ApiKey apiKey() {
        return new ApiKey("mykey", "api_key", "header");
    }

    private SecurityContext securityContext() {
        return SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex("/anyPath.*"))
                .build();
    }

    List<SecurityReference> defaultAuth() {
        AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        return singletonList(new SecurityReference("mykey", authorizationScopes));
    }

    @Bean
    SecurityConfiguration security() {
        return SecurityConfigurationBuilder.builder()
                .clientId("test-app-client-id")
                .clientSecret("test-app-client-secret")
                .realm("test-app-realm")
                .appName("test-app")
                .scopeSeparator(",")
                .additionalQueryStringParams(null)
                .useBasicAuthenticationWithAccessCodeGrant(false)
                .enableCsrfSupport(false)
                .build();
    }

    @Bean
    UiConfiguration uiConfig() {
        return UiConfigurationBuilder.builder()
                .deepLinking(true)
                .displayOperationId(false)
                .defaultModelsExpandDepth(1)
                .defaultModelExpandDepth(1)
                .defaultModelRendering(ModelRendering.EXAMPLE)
                .displayRequestDuration(false)
                .docExpansion(DocExpansion.NONE)
                .filter(false)
                .maxDisplayedTags(null)
                .operationsSorter(OperationsSorter.ALPHA)
                .showExtensions(false)
                .showCommonExtensions(false)
                .tagsSorter(TagsSorter.ALPHA)
                .supportedSubmitMethods(UiConfiguration.Constants.DEFAULT_SUBMIT_METHODS)
                .validatorUrl(null)
                .build();
    }
}

【Test1Controller.java】

package com.chz.mySwagger.controller1;

@Api(tags="chz-Test1Controller")
@Slf4j
@RestController
@RequestMapping("/test1")
public class Test1Controller {

    @ApiOperation(value="第一个测试方法-value",notes="第一个测试方法-notes")
    @ApiImplicitParams({
            @ApiImplicitParam(name="p1",value="p1-value", defaultValue = "p1-defaultValue"),
            @ApiImplicitParam(name="p2",value="p2-value", defaultValue = "p2-defaultValue")
    })
    @ApiResponses({
            @ApiResponse(code = 200, message = "请求成功"),
    })
    @GetMapping("/test1")
    public String test1(
            @RequestParam(value = "p1")String p1,
            @RequestParam(value = "p2")String p2
    ) {
        return "test1: p1="+p1+", p2="+p2+";";
    }
}

【Test2Controller.java】

package com.chz.mySwagger.controller2;

@Api(tags="chz-Test2Controller")
@Slf4j
@RestController
@RequestMapping("/test2")
public class Test2Controller {

    @ApiOperation(value="第一个测试方法-value",notes="第一个测试方法-notes")
    @ApiImplicitParams({
            @ApiImplicitParam(name="p1",value="p1-value", defaultValue = "p1-defaultValue"),
            @ApiImplicitParam(name="p2",value="p2-value", defaultValue = "p2-defaultValue")
    })
    @ApiResponses({
            @ApiResponse(code = 200, message = "请求成功"),
    })
    @GetMapping("/test1")
    public String test1(
            @RequestParam(value = "p1")String p1,
            @RequestParam(value = "p2")String p2
    ) {
        return "test1: p1="+p1+", p2="+p2+";";
    }
}

【IndexController.java】

package com.chz.mySwagger.controller1;

@Slf4j
@Controller
@RequestMapping("/")
public class IndexController {

    @GetMapping("/")
    public String index() {
        return "redirect:/swagger-ui/index.html";
    }
}

【MySwaggerTest.java】

package com.chz.mySwagger;

@SpringBootApplication
@EnableSwagger2
@ComponentScan(basePackageClasses = {
        Test1Controller.class,
        Test2Controller.class,
})
public class MySwaggerTest {

    public static void main(String[] args) {
        SpringApplication.run(MySwaggerTest.class, args);
    }
}