webservice例子及跨域访问配置
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1 实现jax-ws规范的webservice
2 配置跨域访问
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（1）下载jax-ws lib包
（2）创建webservice接口
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package com.iit.server;import javax.jws.WebMethod;import javax.jws.WebService;@WebServicepublic interface IHelloService {@WebMethod String helloWorld();}?(3)实现接口
package com.iit.server;import javax.jws.WebService;@WebService(endpointInterface = "com.iit.server.IHelloService")public class HelloServiceImpl implements IHelloService{public String helloWorld() {// TODO Auto-generated method stubreturn "Hi I am Return";}}?(4)发布webservice，jax2.0有2种发布方式，一种是通过一个main函数来实现类型web服务器发布的模式，另外一种是在web服务器种发布，下面是main函数实现的发布
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package com.iit.server;import javax.xml.ws.Endpoint;import javax.xml.ws.http.HTTPBinding;public class SoapServer {public static void main(String args[]){ HelloServiceImpl service= new HelloServiceImpl(); Endpoint.publish("http://123.14.137.164:8080/hello", service); }}?（5）访问
http://123.14.137.164:8080/hello?wsdl来观察结果
2 配置跨域访问创建package com.iit.server;import java.io.StringReader;import javax.xml.transform.Source;import javax.xml.transform.stream.StreamSource;import javax.xml.ws.Provider;import javax.xml.ws.ServiceMode;import javax.xml.ws.WebServiceProvider;@WebServiceProviderpublic class CrossDomainProvider implements Provider<Source> {public Source invoke(Source request) {System.out.print(request);String replyData = "<?xml version="1.0" encoding="utf-8"?>"+ "<access-policy>" + "<cross-domain-access>" + "<policy>"+ "<allow-from http-request-headers="*">"+ "<domain uri="*"/>" + "</allow-from>" + "<grant-to>"+ "<resource path="/" include-subpaths="true"/>"+ "</grant-to>" + "</policy>" + "</cross-domain-access>"+ "</access-policy>";StreamSource reply = new StreamSource(new StringReader(replyData));return reply;}}?在发布时加入：package com.iit.server;import javax.xml.ws.Endpoint;import javax.xml.ws.http.HTTPBinding;public class SoapServer {public static void main(String args[]){ Endpoint e = Endpoint.create(HTTPBinding.HTTP_BINDING, new CrossDomainProvider()); e.publish("http://123.14.137.164:8080/clientaccesspolicy.xml"); HelloServiceImpl service= new HelloServiceImpl(); Endpoint.publish("http://123.14.137.164:8080/hello", service); }}?注意：（在文本服务器发布的时候 可以手动生产一个clientaccesspolicy.xml文件，这个文件需要放在web服务器根目录中。）