我在上一篇文章(http://www.zifangsky.cn/2016/03/apache-cxf實現的soap形式的webservices/)中說了下如何實現SOAP方式的web service,這篇文章將繼續說明如何實現RESTful形式的web service

(1)項目結構:
在這里,我沒有新建一個項目,而是在上一個項目的基礎上實現的,具體來說就是新建了3個文件,如下圖所示:

其中,User類是一個普通的實體類,RestService和RestServiceImpl類分別表示服務接口和它的實現類
(2)User.java:
package cn.zifangsky.entity;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement(name="userInfo")
public class User {
private int id;
private String name;
private String contact;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getContact() {
return contact;
}
public void setContact(String contact) {
this.contact = contact;
}
}(3)RestService.java:
package cn.zifangsky.service;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import cn.zifangsky.entity.User;
public interface RestService {
@GET
@Path(value="/user/{id}")
@Produces(value = { MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public User getUser(@PathParam("id") int id);
}(4)RestServiceImpl.java:
package cn.zifangsky.service.impl;
import cn.zifangsky.entity.User;
import cn.zifangsky.service.RestService;
public class RestServiceImpl implements RestService {
public User getUser(int id) {
User user = new User();
user.setId(id);
user.setName("zifangsky");
user.setContact("http://www.zifangsky.cn");
return user;
}
}(5)web.xml不變,修改service-beans.xml:
添加<jaxrs:server></jaxrs:server>節點,表示是RESTful服務
<jaxrs:server id="userRest" address="/services/rest"> <jaxrs:serviceBeans> <bean class="cn.zifangsky.service.impl.RestServiceImpl" /> </jaxrs:serviceBeans> <jaxrs:extensionMappings> <entry key="json" value="application/json" /> <entry key="xml" value="application/xml" /> </jaxrs:extensionMappings> </jaxrs:server>
添加之后,service-beans.xml這個文件的完整代碼是:
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:jaxws="http://cxf.apache.org/jaxws" xmlns:jaxrs="http://cxf.apache.org/jaxrs" xmlns:soap="http://cxf.apache.org/bindings/soap" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd http://cxf.apache.org/jaxrs http://cxf.apache.org/schemas/jaxrs.xsd "> <bean id="outLoggingInterceptor" class="org.apache.cxf.interceptor.LoggingOutInterceptor" /> <bean id="loggingFeature" class="org.apache.cxf.feature.LoggingFeature" /> <bean id="inLoggingInterceptor" class="org.apache.cxf.interceptor.LoggingInInterceptor" /> <jaxws:server id="sayHelloServices" serviceClass="cn.zifangsky.service.CXFService" address="/services/soap" > <jaxws:serviceBean> <bean class="cn.zifangsky.service.impl.CXFServiceImpl" /> </jaxws:serviceBean> <jaxws:outInterceptors> <ref bean="outLoggingInterceptor" /> </jaxws:outInterceptors> <jaxws:inInterceptors> <ref bean="inLoggingInterceptor" /> </jaxws:inInterceptors> <jaxws:features> <ref bean="loggingFeature" /> <wsa:addressing xmlns:wsa="http://cxf.apache.org/ws/addressing" /> </jaxws:features> </jaxws:server> <jaxrs:server id="userRest" address="/services/rest"> <jaxrs:serviceBeans> <bean class="cn.zifangsky.service.impl.RestServiceImpl" /> </jaxrs:serviceBeans> <jaxrs:extensionMappings> <entry key="json" value="application/json" /> <entry key="xml" value="application/xml" /> </jaxrs:extensionMappings> </jaxrs:server> </beans>
(6)測試:
整個配置到這里已經就完成了,在tomcat中啟動項目,效果是這樣:

在瀏覽器中訪問:http://localhost:8080/CXFDemo/services/rest/user/9

可以看出,結果是正確,到此全部配置結束
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