springboot集成swagger
springboot集成swagger
1、pom.xml中引入:
<dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger2</artifactId> <version>2.9.2</version> </dependency> <dependency> <groupId>io.springfox</groupId> <artifactId>springfox-swagger-ui</artifactId> <version>2.9.2</version> </dependency>
2、配置类:
@Configuration @EnableSwagger2 public class SwaggerConfig { @Bean public Docket swaggerSpringMvcPlugin() { return new Docket(DocumentationType.SWAGGER_2) .select() //加了ApiOperation注解的类,才生成接口文档 .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class)) .build(); } }
3、controller相应的注解:@ApiOperation
@ApiOperation(value = "用户登录",notes = "") @PostMapping("/loginOn") public ResponseMessage loginOn(@RequestBody @Valid UserReq userReq){ ResponseMessage responseMessage = userServiceImp.loginOn(userReq); return responseMessage; }
最后本地默认访问:http://localhost:8080/swagger-ui.html
既可以看到相关接口效果图:
访问页失败的可能原因:
1》》访问方法本来就是404错误:在sprigboot中有个重要的概念叫做:约定优于配置:
springboot启动的时候如果没有指定扫描的包路径时,默认会去加载其当前包及子包下的组件,这里需要注意
如果把启动类放入service包下,页面就会访问不到:
2》》SwaggerConfig 类的写法有问题:Docket方法挺多的,这里需要注意:
@Configuration @EnableSwagger2 public class SwaggerConfig { @Bean public Docket swaggerSpringMvcPlugin() { return new Docket(DocumentationType.SWAGGER_2) .select() //加了ApiOperation注解的类,才生成接口文档 .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class)) .build(); } }
3》》配置拦截器时是否进行了拦截:
在实现WebMvcConfigurer接口时,我们再配置拦截器时,需要对相应的请求进行过滤放行,比如静态资源,登录请求等
@Configuration public class WebConfig implements WebMvcConfigurer { /** * 配置拦截器 * @param registry */ @Override public void addInterceptors(InterceptorRegistry registry) { registry.addInterceptor(new RequestInterceptor()).addPathPatterns("/**").excludePathPatterns("/user/login") //排除swagger .excludePathPatterns("/swagger-resources/**", "/webjars/**", "/v2/**", "/swagger-ui.html/**"); } }
有的代码是通过重写WebMvcConfigurer的addResourceHandlers方法:
/** * 添加静态资源--过滤swagger-api (开源的在线API文档) * @param registry *//* @Override public void addResourceHandlers(ResourceHandlerRegistry registry) { //过滤swagger registry.addResourceHandler("swagger-ui.html") .addResourceLocations("classpath:/META-INF/resources/"); registry.addResourceHandler("/webjars/**") .addResourceLocations("classpath:/META-INF/resources/webjars/"); registry.addResourceHandler("/swagger-resources/**") .addResourceLocations("classpath:/META-INF/resources/swagger-resources/"); registry.addResourceHandler("/swagger/**") .addResourceLocations("classpath:/META-INF/resources/swagger*"); registry.addResourceHandler("/v2/api-docs/**") .addResourceLocations("classpath:/META-INF/resources/v2/api-docs/"); }*
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