springboot 系统学习 1 -- 集成jersey

最近在学习springboot， 故写下这些文章来记录我的学习历程，本人菜鸟一只，如果有错误的地方，希望大家积极指正，

这篇文章主要是讲 springboot 如何继承jersey， 来时先mvc思想，当然 springboot 是支持controller 来写实现接口的设计，使用@RequestMapping, @RestController 这些注解

但是我还是觉得jersey 看起来更加优雅，然后易于维护和阅读

首先需要搭建一个spingboot项目， 项目地址

build 文件

subprojects {    apply plugin: 'java'    apply plugin: 'maven'    group 'com.smaug'    version '1.0-SNAPSHOT'    targetCompatibility = 1.8    sourceCompatibility = 1.8    [compileJava, compileTestJava].each() {        it.options.encoding = "UTF-8"    }    repositories {        mavenLocal()        maven {            url 'http://maven.aliyun.com/nexus/content/groups/public/'        }        mavenCentral()    }    task sourcesJar(type: Jar, dependsOn: classes) {        classifier = 'sources'        from sourceSets.main.allSource    }    artifacts {        archives sourcesJar    }    configurations.all {        resolutionStrategy.cacheChangingModulesFor 1, 'minutes'    }    dependencies {        compile('org.springframework.boot:spring-boot-starter:1.5.7.RELEASE') {            exclude(module: 'spring-boot-starter-logging')        }        compile('org.slf4j:slf4j-api:1.7.25')        compile('org.apache.logging.log4j:log4j-slf4j-impl:2.8.2')        compile('org.apache.logging.log4j:log4j-core:2.8.2')        compile('org.apache.logging.log4j:log4j-web:2.8.2')        compile "org.springframework.boot:spring-boot-starter-jersey:1.5.1.RELEASE"        compile 'mysql:mysql-connector-java:6.0.6'        compile 'org.mybatis.generator:mybatis-generator-core:1.3.5'        compile 'org.projectlombok:lombok:1.16.8'        compile 'org.springframework:spring-core:4.2.5.RELEASE'        compile 'org.springframework:spring-context-support:4.2.5.RELEASE'        compile 'org.springframework:spring-beans:4.2.5.RELEASE'        compile 'org.springframework:spring-oxm:4.2.5.RELEASE'        compile "org.springframework:spring-jms:4.2.5.RELEASE"        compile 'org.springframework.retry:spring-retry:1.1.2.RELEASE'        compile 'org.springframework:spring-context:4.2.5.RELEASE'        compile 'com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.8.9'        compile 'com.alibaba:fastjson:1.2.38'        //testCompile "junit:junit:4.12"        testCompile 'org.springframework:spring-test:5.0.0.RELEASE'        testCompile 'org.springframework.boot:spring-boot-starter-test:1.5.7.RELEASE'    }}

创建一个smaug_cloud_api module 并写一个interface

package smaug.cloud.api.interfaces;import smaug.cloud.api.vos.test.TestResponse;import javax.ws.rs.*;import javax.ws.rs.core.MediaType;/** * Created by Allen on 17/10/10. */@Path("test")@Consumes({MediaType.APPLICATION_JSON, MediaType.TEXT_XML})@Produces({"application/json;charset=UTF-8", "text/xml;charset=UTF-8"})public interface TestService {    @POST    @Path("test")    String test();    @POST    @Path("getUser")    TestResponse getUser();}

新建module smaug_cloud_service, 创建TestServiceImpl 用来实现 TestService

package smaug.cloud.provider.impl;import org.springframework.stereotype.Service;import smaug.cloud.api.interfaces.TestService;import smaug.cloud.api.vos.test.TestResponse;import smaug.cloud.common.utils.jsons.FastJsonUtil;import smaug.cloud.common.utils.jsons.JsonUtil;/** * Created by Allen on 17/10/10. */@Service("testServiceImpl")public class TestServiceImpl implements TestService {    protected JsonUtil jsonUtil = new FastJsonUtil();    @Override    public String test() {        return "test";    }    @Override    public TestResponse getUser() {        TestResponse response = new TestResponse();        response.setId(1);        response.setName("13");        System.out.println(jsonUtil.toJson(response));        return response;    }}

创建一个JerseyConfig类

package smaug.cloud.config.jerseryConfig;import org.glassfish.jersey.server.ResourceConfig;import org.glassfish.jersey.server.spring.scope.RequestContextFilter;/** * Created by Allen on 17/10/10. */public class AnnotationJerseyConfig extends ResourceConfig {    public AnnotationJerseyConfig() {        register(RequestContextFilter.class);        packages("smaug.cloud.api.interfaces");    }}

在项目启动类里

package smaug.cloud.provider;import com.alibaba.fastjson.serializer.SerializerFeature;import com.alibaba.fastjson.support.config.FastJsonConfig;import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter4;import org.glassfish.jersey.servlet.ServletContainer;import org.glassfish.jersey.servlet.ServletProperties;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.EnableAutoConfiguration;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;import org.springframework.boot.autoconfigure.web.HttpMessageConverters;import org.springframework.boot.web.servlet.ServletRegistrationBean;import org.springframework.context.annotation.Bean;import org.springframework.http.converter.HttpMessageConverter;import smaug.cloud.config.jerseryConfig.AnnotationJerseyConfig;/** * Created by Allen on 17/10/10. */@SpringBootApplication@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})public class SmaugCloudApplication {    public static void main(String[] args) {        SpringApplication.run(SmaugCloudApplication.class, args);    }    @Bean    public ServletRegistrationBean jerseyServlet() {        ServletRegistrationBean registration = new ServletRegistrationBean(new ServletContainer(), "/*");        registration.addInitParameter(ServletProperties.JAXRS_APPLICATION_CLASS, AnnotationJerseyConfig.class.getName());        return registration;    }    @Bean    public HttpMessageConverters fastJsonHttpMessageConverters() {        FastJsonHttpMessageConverter4 converter = new FastJsonHttpMessageConverter4();        FastJsonConfig jsonConfig = new FastJsonConfig();        jsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);        converter.setFastJsonConfig(jsonConfig);        HttpMessageConverter<?> httpConverter = converter;        return new HttpMessageConverters(httpConverter);    }}

jerseyServlet 方法就是实现 jersey 的bean
此时运行启动即可