标签:方式 intern 健全 operation cti .net override ted ati
1 package com.slp.webservice; 2 3 import javax.jws.WebService; 4 5 /** 6 * Created by sanglp on 2017/2/25. 7 * 接口 8 */ 9 @WebService 10 public interface IMyService { 11 public int add(int a,int b); 12 public int minus(int a,int b); 13 }
package com.slp.webservice; import javax.jws.WebService; /** * Created by sanglp on 2017/2/25. * 实现 */ @WebService(endpointInterface = "com.slp.webservice.IMyService") public class MyServiceImpl implements IMyService { @Override public int add(int a, int b) { System.out.println(a+"+"+b+"="+(a+b)); return a+b; } @Override public int minus(int a, int b) { System.out.println(a+"-"+b+"="+(a-b)); return a-b; } }
package com.slp.webservice; import javax.xml.ws.Endpoint; /** * Created by sanglp on 2017/2/25. * 服务 */ public class MyServer { public static void main(String [] args){ String address="http://localhost:8888/ns"; Endpoint.publish(address,new MyServiceImpl()); } }
访问http://localhost:8888/ns?wsdl得到的页面
<?xml version="1.0" encoding="UTF-8"?> <!-- Published by JAX-WS RI (http://jax-ws.java.net). RI‘s version is JAX-WS RI 2.2.9-b130926.1035 svn-revision#5f6196f2b90e9460065a4c2f4e30e065b245e51e. --> <!-- Generated by JAX-WS RI (http://jax-ws.java.net). RI‘s version is JAX-WS RI 2.2.9-b130926.1035 svn-revision#5f6196f2b90e9460065a4c2f4e30e065b245e51e. --> <definitions xmlns="http://schemas.xmlsoap.org/wsdl/" name="MyServiceImplService" targetNamespace="http://webservice.slp.com/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://webservice.slp.com/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:wsam="http://www.w3.org/2007/05/addressing/metadata" xmlns:wsp1_2="http://schemas.xmlsoap.org/ws/2004/09/policy" xmlns:wsp="http://www.w3.org/ns/ws-policy" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"> <types> <xsd:schema> <xsd:import schemaLocation="http://localhost:8888/ns?xsd=1" namespace="http://webservice.slp.com/"/> </xsd:schema> </types> <message name="add"> <part name="parameters" element="tns:add"/> </message> <message name="addResponse"> <part name="parameters" element="tns:addResponse"/> </message> <message name="minus"> <part name="parameters" element="tns:minus"/> </message> <message name="minusResponse"> <part name="parameters" element="tns:minusResponse"/> </message> <portType name="IMyService"> <operation name="add"> <input message="tns:add" wsam:Action="http://webservice.slp.com/IMyService/addRequest"/> <output message="tns:addResponse" wsam:Action="http://webservice.slp.com/IMyService/addResponse"/> </operation> <operation name="minus"> <input message="tns:minus" wsam:Action="http://webservice.slp.com/IMyService/minusRequest"/> <output message="tns:minusResponse" wsam:Action="http://webservice.slp.com/IMyService/minusResponse"/> </operation> </portType> <binding type="tns:IMyService" name="MyServiceImplPortBinding"> <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/> <operation name="add"> <soap:operation soapAction=""/> <input> <soap:body use="literal"/> </input> <output> <soap:body use="literal"/> </output> </operation> <operation name="minus"> <soap:operation soapAction=""/> <input> <soap:body use="literal"/> </input> <output> <soap:body use="literal"/> </output> </operation> </binding> <service name="MyServiceImplService"> <port name="MyServiceImplPort" binding="tns:MyServiceImplPortBinding"> <soap:address location="http://localhost:8888/ns"/> </port> </service> </definitions>
package com.slp.webservice; import javax.xml.namespace.QName; import javax.xml.ws.Service; import java.net.MalformedURLException; import java.net.URL; /** * Created by sanglp on 2017/2/25. */ public class TestClient { public static void main(String [] args) throws MalformedURLException { //创建访问wsdl服务地址的url URL url = new URL("http://localhost:8888/ns?wsdl"); //通过QName指明服务的具体消息 QName sname = new QName("http://webservice.slp.com/","MyServiceImplService"); //创建服务 Service service = Service.create(url,sname); //实现接口 IMyService ms=service.getPort(IMyService.class); System.out.println(ms.add(12,33)); //以上服务有问题,依然依赖于IMyService接口 } }
webService三要素:
SOAP,WSDL,UDDI.soap用来描述传递消息的格式,wsdl用来描述如何访问具体的接口,uudi用来管理,分发,查询webservice.
SOAP=RPC+HTTP+XML
SOAP简单的理解就是这样的一个开放协议:采用HTTP作为底层通讯协议
RPC作为一致性的调用途径,XML作为数据传送的格式,允许服务提供者和服务客户经过防火墙在INTERNET进行通讯交互。RPC的描叙可能不大准确,因为SOAP一开始构思就是要实现平台与环境的无关性和独立性,每一个通过网络的远程调用都可以通过SOAP封装起来,包括DCE(Distributed Computing Environment ) RPC CALLS,COM/DCOM CALLS, CORBA CALLS, JAVA CALLS,etc。
SOAP 使用 HTTP 传送 XML,尽管HTTP 不是有效率的通讯协议,而且 XML 还需要额外的文件解析(parse),两者使得交易的速度大大低于其它方案。但是XML 是一个开放、健全、有语义的讯息机制,而 HTTP 是一个广泛又能避免许多关于防火墙的问题,从而使SOAP得到了广泛的应用。但是如果效率对你来说很重要,那么你应该多考虑其它的方式,而不要用 SOAP。
wsdl讲解:
types:定义访问的类型
message:SOAP
portType:指明服务器的接口,并且通过operation绑定相应的消息,其中in表示参数,out表示返回值
binding:指定传递消息所用的格式
service:指定服务所发布的名称
标签:方式 intern 健全 operation cti .net override ted ati
原文地址:http://www.cnblogs.com/dream-to-pku/p/6442238.html