SwaggerUi是一个自动生成接口文档，并且还可以去测试这些接口的东西。
SpringBoot集成SwaggerUi
引入依赖
2.6.1 org.springframework.boot spring-boot-starter-web io.springfox springfox-swagger2 ${swagger.version} io.springfox springfox-swagger-ui ${swagger.version}
编写Swagger配置类com.wjh.config.SwaggerConfig
package com.wjh.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.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;
@Configuration //表示是Swagger的配置类
@EnableSwagger2 //启用Swagger2
public class SwaggerConfig {
@Bean
public Docket api(){
return new Docket(DocumentationType.SWAGGER_2)
.apiInfo(apiInfo())
.pathMapping("/")
.select()
.paths(PathSelectors.regex("/.*"))
.build();
}
private ApiInfo apiInfo() {
return new ApiInfoBuilder().title("我的接口文档")
.contact(new Contact("wjh", "", "[email protected]"))
.description("这是swaggerUI生成的接口文档")
.version("1.0.0.0")
.build();
}
}
编写接口方法类com.wjh.server.MyMethod
package com.wjh.server;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
@RestController
@Api(value = "/", description = "全部的get方法") //Swagger的注解
public class MyMethod {
@RequestMapping(value = "/getCookies", method = RequestMethod.GET)
@ApiOperation(value = "通过这个方法可以获取到cookies", httpMethod = "GET") //Swagger的注解
public String getCookies(HttpServletResponse response){
//HttpServletRequest 装请求信息的类
//HttpServletResponse 装相应信息的类
Cookie cookie = new Cookie("login", "true");
response.addCookie(cookie);
return "恭喜你，获得cookies成功！";
}
/**
* 要求客户端携带cookies访问
* 这是一个需要携带cookies信息才能访问的get请求
*/
@RequestMapping(value = "/get/with/cookies", method = RequestMethod.GET)
@ApiOperation(value = "要求客户端携带cookies访问", httpMethod = "GET") //Swagger的注解
public String getWithCookies(HttpServletRequest request){
Cookie[] cookies = request.getCookies();
if (Objects.isNull(cookies)){
return "你必须携带cookies才能访问";
}
for (Cookie cookie : cookies) {
if (cookie.getName().equals("login") && cookie.getValue().equals("true")){
return "这是一个需要携带cookies信息才能访问的get请求";
}
}
return "你必须携带cookies才能访问";
}
/**
* 开发一个需要携带参数才能访问的get请求。
* 第一种实现方式， url：key=value&key=value
* 模拟获取商品列表
*/
@RequestMapping(value = "/get/with/param", method = RequestMethod.GET)
@ApiOperation(value = "开发一个需要携带参数才能访问的get请求。第一种实现方式", httpMethod = "GET") //Swagger的注解
public Map getList(@RequestParam Integer start, @RequestParam Integer end){
Map myList = new HashMap<>();
myList.put("鞋", 400);
myList.put("衬衫", 300);
myList.put("干脆面", 1);
myList.put("雪碧", 3);
return myList;
}
/**
* 开发一个需要携带参数才能访问的get请求。
* 第二种实现方式， url： ip:port/get/with/param/10/20
* 模拟获取商品列表
*/
@RequestMapping(value = "/get/with/param/{start}/{end}")
@ApiOperation(value = "开发一个需要携带参数才能访问的get请求。第二种实现方式", httpMethod = "GET") //Swagger的注解
public Map myGetList(@PathVariable Integer start, @PathVariable Integer end) {
Map myList = new HashMap<>();
myList.put("雪碧", 3);
myList.put("鞋", 400);
myList.put("衬衫", 300);
myList.put("可乐", 3);
return myList;
}
}
编写启动类Application
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
@SpringBootApplication
@ComponentScan("com.wjh")
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
记一次启动时遇到的错误。（上面类中都是正确的）
2020-06-08 21:39:10.147 ERROR 5720 --- [ main] s.d.s.r.o.OperationHttpMethodReader : Invalid http method: GetValid ones are [[Lorg.springframework.web.bind.annotation.RequestMethod;@5477a1ca] java.lang.IllegalArgumentException: No enum constant org.springframework.web.bind.annotation.RequestMethod.Get at java.lang.Enum.valueOf(Enum.java:238) ~[na:1.8.0_25] at org.springframework.web.bind.annotation.RequestMethod.valueOf(RequestMethod.java:35) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE] at springfox.documentation.swagger.readers.operation.OperationHttpMethodReader.apply(OperationHttpMethodReader.java:49) ~[springfox-swagger-common-2.6.1.jar:2.6.1] at springfox.documentation.spring.web.plugins.DocumentationPluginsManager.operation(DocumentationPluginsManager.java:123) [springfox-spring-web-2.6.1.jar:2.6.1] at springfox.documentation.spring.web.readers.operation.ApiOperationReader.read(ApiOperationReader.java:73) [springfox-spring-web-2.6.1.jar:2.6.1] at springfox.documentation.spring.web.scanners.CachingOperationReader$1.load(CachingOperationReader.java:50) [springfox-spring-web-2.6.1.jar:2.6.1] at springfox.documentation.spring.web.scanners.CachingOperationReader$1.load(CachingOperationReader.java:48) [springfox-spring-web-2.6.1.jar:2.6.1] at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3527) [guava-18.0.jar:na] at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2319) [guava-18.0.jar:na] at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282) [guava-18.0.jar:na] at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2197) [guava-18.0.jar:na] at com.google.common.cache.LocalCache.get(LocalCache.java:3937) [guava-18.0.jar:na] at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3941) [guava-18.0.jar:na] at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824) [guava-18.0.jar:na] at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4830) [guava-18.0.jar:na] at springfox.documentation.spring.web.scanners.CachingOperationReader.read(CachingOperationReader.java:57) [springfox-spring-web-2.6.1.jar:2.6.1] at springfox.documentation.spring.web.scanners.ApiDescriptionReader.read(ApiDescriptionReader.java:66) [springfox-spring-web-2.6.1.jar:2.6.1] at springfox.documentation.spring.web.scanners.ApiListingScanner.scan(ApiListingScanner.java:89) [springfox-spring-web-2.6.1.jar:2.6.1] at springfox.documentation.spring.web.scanners.ApiDocumentationScanner.scan(ApiDocumentationScanner.java:70) [springfox-spring-web-2.6.1.jar:2.6.1] at springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper.scanDocumentation(DocumentationPluginsBootstrapper.java:85) [springfox-spring-web-2.6.1.jar:2.6.1] at springfox.documentation.spring.web.plugins.DocumentationPluginsBootstrapper.start(DocumentationPluginsBootstrapper.java:127) [springfox-spring-web-2.6.1.jar:2.6.1] at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:182) [spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:53) [spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:360) [spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:158) [spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:122) [spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:894) [spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:162) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:553) [spring-context-5.2.2.RELEASE.jar:5.2.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.2.RELEASE.jar:2.2.2.RELEASE] at Application.main(Application.java:10) [classes/:na]
原因是在MyGetMethod类中：
@ApiOperation(value = "通过这个方法可以获取到cookies", httpMethod = "Get")
这个注解中httpMethod = "Get"出错。
将其改为：httpMethod = “GET”
@ApiOperation(value = "通过这个方法可以获取到cookies", httpMethod = "GET")
即可。
打开浏览器，输入http://localhost/swagger-ui.html
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