增加Swagger接口

discovery-plugin-router-center/src/main/java/com/nepxion/discovery/plugin/routercenter/configuration/SwaggerConfiguration.java

+package com.nepxion.discovery.plugin.routercenter.configuration;
+
+/**
+ * <p>Title: Nepxion Discovery</p>
+ * <p>Description: Nepxion Discovery</p>
+ * <p>Copyright: Copyright (c) 2017-2050</p>
+ * <p>Company: Nepxion</p>
+ * @author Haojun Ren
+ * @version 1.0
+ */
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+
+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;
+
+@Configuration
+@EnableSwagger2
+public class SwaggerConfiguration extends WebMvcConfigurerAdapter {
+    @Value("${spring.application.name}")
+    private String serviceName;
+
+    @Value("${swagger.service.base.package}")
+    private String basePackage;
+
+    @Value("${swagger.service.description}")
+    private String description;
+
+    @Value("${swagger.service.version}")
+    private String version;
+
+    @Value("${swagger.service.license}")
+    private String license;
+
+    @Value("${swagger.service.license.url}")
+    private String licenseUrl;
+
+    @Value("${swagger.service.contact.name}")
+    private String contactName;
+
+    @Value("${swagger.service.contact.url}")
+    private String contactUrl;
+
+    @Value("${swagger.service.contact.email}")
+    private String contactEmail;
+
+    @Bean
+    public Docket createRestApi() {
+        return new Docket(DocumentationType.SWAGGER_2)
+                .apiInfo(apiInfo())
+                .select()
+                .apis(RequestHandlerSelectors.basePackage(basePackage)) // 扫描该包下的所有需要在Swagger中展示的API，@ApiIgnore注解标注的除外
+                .paths(PathSelectors.any())
+                .build();
+    }
+
+    private ApiInfo apiInfo() {
+        return new ApiInfoBuilder()
+                .title(serviceName)
+                .description(description)
+                .version(version)
+                .license(license)
+                .licenseUrl(licenseUrl)
+                .contact(new Contact(contactName, contactUrl, contactEmail))
+                .build();
+    }
+
+    // 解决跨域问题
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**")
+                .allowedHeaders("*")
+                .allowedMethods("*")
+                .allowedOrigins("*");
+    }
+}
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