用cxf编写webservice

本文介绍如何使用Apache CXF快速搭建一个简单的WebService应用。通过详细步骤,包括创建项目、配置服务接口及其实现类、设置Spring配置文件等,指导读者完成整个部署过程。

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cxf的官网文档地址:http://cxf.apache.org/docs/
1.建立一个web project,名称为cfx-new,部署目录写成ROOT
2.下载最新的cxf包http://cxf.apache.org/download.html,我下载的是apache-cxf-2.5.2.zip,直接将lib下的所有jar拷贝到lib下
3.新建一个接口类HelloWorld

package info.frady.service;

import javax.jws.WebParam;
import javax.jws.WebService;

@WebService
public interface HelloWorld {
String sayHi(String text);
}

4.建立一个接口的实现类HelloWorldImpl

package info.frady.service.impl;

import info.frady.service.HelloWorld;

import javax.jws.WebService;

@WebService(endpointInterface = "info.frady.service.HelloWorld",
serviceName = "helloWorld")
public class HelloWorldImpl implements HelloWorld {

public String sayHi(String text) {
return "Hello " + text;
}
}

说明下:
*@WebService:申明为webservice的注解,这样cxf就知道这是个webservice了
*endpointInterface:要暴露的接口类
 *serviceName :    服务名,其实就是调用地址
5.在WEB-INF目录下新建beans.xml,如下:

<?xml version="1.0" encoding="UTF-8"?>
<!-- START SNIPPET: beans -->
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jaxws="http://cxf.apache.org/jaxws"
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">

<import resource="classpath:META-INF/cxf/cxf.xml" />
<import resource="classpath:META-INF/cxf/cxf-extension-soap.xml" />
<import resource="classpath:META-INF/cxf/cxf-servlet.xml" />
<jaxws:endpoint
id="helloWorld"
implementor="info.frady.service.impl.HelloWorldImpl"
address="/helloWorld" />
</beans>

说明:
注: implementor :接口类的实现类
        address:   要和注释里面声明的服务名对应,对应的是外部访问地址
6.在修改web.xml文件,如下

<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">

<!-- START SNIPPET: webxml -->
<web-app>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/beans.xml</param-value>
</context-param>

<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>

<servlet>
<servlet-name>CXFServlet</servlet-name>
<display-name>CXF Servlet</display-name>
<servlet-class>
org.apache.cxf.transport.servlet.CXFServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>CXFServlet</servlet-name>
<url-pattern>/services/*</url-pattern>
</servlet-mapping>
</web-app>
<!-- END SNIPPET: webxml -->


7.启动tomcat
8.输入地址http://localhost:9081/services/,出现WSDL : {http://impl.service.frady.info/}HelloWorld说明服务端成功。
9.编写测试代码

import info.frady.domain.Person;
import info.frady.service.HelloWorld;

import org.apache.cxf.interceptor.LoggingInInterceptor;
import org.apache.cxf.interceptor.LoggingOutInterceptor;
import org.apache.cxf.jaxws.JaxWsProxyFactoryBean;


public class TestHello {

/**
* @param args
*/
public static void main(String[] args) {
JaxWsProxyFactoryBean factory = new JaxWsProxyFactoryBean();
factory.getInInterceptors().add(new LoggingInInterceptor());
factory.getOutInterceptors().add(new LoggingOutInterceptor());
factory.setServiceClass(HelloWorld.class);
factory.setAddress("http://localhost:8080/services/HelloWorld");
HelloWorld client = (HelloWorld) factory.create();
String reply = client.sayHi("frady");
System.out.println("Server said: " + reply);
System.exit(0);
}

}

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