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webservices例题:http://blog.csdn.net/xw13106209/article/details/7049614
使用Axis编写WebService比较简单,就我的理解,WebService的实现代码和编写Java代码其实没有什么区别,主要是将哪些Java类发布为WebService。下面是一个从编写测试例子到发布WebService,以及编写测试代码的过程介绍。
本例子的WebService提供了两个方法,分别是sayHello和sayHelloToPerson,第一个只是返回一个"Hello"字符串,没有参数,第二个函数接受一个字符串作为参数,返回"Hello 参数值",该例子比较简单,但是清楚的说明了从编写代码到发布为WebService以及测试编写好的WebService全过程。
编写服务代码
服务代码提供了两个函数,分别为sayHello和sayHelloToPerson,源代码如下:
Java代码
/*
* File name: HelloService.java
*
* Version: v1.0
*
* Created on Aug 2, 2008 9:40:20 AM
*
* Designed by Stephen
*
* (c)Copyright 2008
*/
package com.sinosoft.webservice;
/** *//**
* @author Stephen
*
* Test web service
*/
public class HelloService {
/** *//**
* 不带参数的函数
*
* @return 返回Hello字符串
*/
public String sayHello() {
return "Hello";
}
/** *//**
* 带参数的函数
*
* @param name
* 名称
* @return 返回加上名称的欢迎词
*/
public String sayHelloToPerson(String name) {
if (name == null || name.equals("")) {
name = "nobody";
}
return "Hello " + name;
}
}
发布WebService
要将上边写的HelloService类发布为WebService,需要先搭建Web应用。下面是在Tomcat下使用Axis(http://ws.apache.org/axis/)创建WebService服务的例子。
在Tomcat下创建Web应用
在该例子中,在Tomcat下创建了一个context path为ws的WEB应用。
1. 在myeclipse中创建WebServiceTest的webproject
2. 在WEB-INF文件夹下web.xml文件,该文件的内容如下:
Xml代码
<?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">
<web-app>
<display-name>Apache-Axis</display-name>
<listener>
<listener-class>org.apache.axis.transport.http.AxisHTTPSessionListener</listener-class>
</listener>
<servlet>
<servlet-name>AxisServlet</servlet-name>
<display-name>Apache-Axis Servlet</display-name>
<servlet-class>
org.apache.axis.transport.http.AxisServlet
</servlet-class>
</servlet>
<servlet>
<servlet-name>AdminServlet</servlet-name>
<display-name>Axis Admin Servlet</display-name>
<servlet-class>
org.apache.axis.transport.http.AdminServlet
</servlet-class>
<load-on-startup>100</load-on-startup>
</servlet>
<servlet>
<servlet-name>SOAPMonitorService</servlet-name>
<display-name>SOAPMonitorService</display-name>
<servlet-class>
org.apache.axis.monitor.SOAPMonitorService
</servlet-class>
<init-param>
<param-name>SOAPMonitorPort</param-name>
<param-value>5001</param-value>
</init-param>
<load-on-startup>100</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>AxisServlet</servlet-name>
<url-pattern>/servlet/AxisServlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>AxisServlet</servlet-name>
<url-pattern>*.jws</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>AxisServlet</servlet-name>
<url-pattern>/services/*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>SOAPMonitorService</servlet-name>
<url-pattern>/SOAPMonitor</url-pattern>
</servlet-mapping>
<!-- uncomment this if you want the admin servlet -->
<!--
<servlet-mapping>
<servlet-name>AdminServlet</servlet-name>
<url-pattern>/servlet/AdminServlet</url-pattern>
</servlet-mapping>
-->
<session-config>
<!-- Default to 5 minute session timeouts -->
<session-timeout>5</session-timeout>
</session-config>
<!-- currently the W3C havent settled on a media type for WSDL;
http://www.w3.org/TR/2003/WD-wsdl12-20030303/#ietf-draft
for now we go with the basic 'it's XML' response -->
<mime-mapping>
<extension>wsdl</extension>
<mime-type>text/xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>xsd</extension>
<mime-type>text/xml</mime-type>
</mime-mapping>
<welcome-file-list id="WelcomeFileList">
<welcome-file>index.jsp</welcome-file>
<welcome-file>index.html</welcome-file>
<welcome-file>index.jws</welcome-file>
</welcome-file-list>
</web-app>
在上面的web.xml中主要是配置了axis的相关配置。
axis的相关配置
在上述的web.xml文件中已经对axis进行了配置,但是还需要进行额外的配置。
复制axis相关的jar文件
将axis的相关jar文件复制到WEB-INF\lib文件夹下。这些文件包括:
activation.jar
axis.jar
axis-ant.jar
commons-discovery-0.2.jar
commons-logging-1.0.4.jar
jaxrpc.jar
log4j-1.2.8.jar
saaj.jar
wsdl4j-1.5.1.jar
测试发布的Web应用
启动Tomcat服务,打开IE浏览器,访问地址http://127.0.0.1:8080/WebServiceTest/services,如果看到如下界面就说明AXIS部署成功了。
发布WebService
发布WebService需要使用现有的AdminService来实现,这里我写了一个批处理文件来发布WebService,以后如果需要发布其他文件,只需要修改相应的参数就可以了。
创建deploy.wsdd文件
文件deploy.wsdd内容如下所示:
Xml代码
<?xml version="1.0" encoding="UTF-8"?>
<deployment xmlns="http://xml.apache.org/axis/wsdd/" xmlns:java="http://xml.apache.org/axis/wsdd/providers/java">
<service name="HelloServices" provider="java:RPC">
<parameter name="className" value="com.sinosoft.webservice.HelloService"/>
<parameter name="allowedMethods" value="*"/>
</service>
</deployment>
创建发布WebService服务的批处理文件
批处理文件deploywebservice.bat内容如下:
Xml代码
java -cp axis-ant.jar;axis-schema.jar;axis.jar;commons-discovery-0.2.jar;commons-logging-1.0.4.jar;jaxrpc.jar;log4j-1.2.8.jar;saaj.jar;wsdl4j-1.5.1.jar;xmlsec-1.3.0.jar org.apache.axis.client.AdminClient -lhttp://localhost:8080/WebServiceTest/services/AdminService deploy.wsdd
pause
其中上面的jar包我都拷到和bat文件在同一个目录,现在将所有的jar文件都加入到classpath中进行执行。
-l后的参数是本地要发布WebService的AdminService对应的访问地址。
最后deploy.wsdd是对应的配置文件名称。
发布WebService服务
将deploy.wsdd文件和deploywebservice.bat文件复制到同一个文件夹下,执行deploywebservice.bat批处理文件,就可以将deploy.wsdd中描述的Java类发布为WebService。发布完成之后在访问http://host:port/ws/services如下图所示:
从上图可以看出,发布成功后,多了一个HelloServices的服务。这样就说明HelloService发布成功了。
查看HelloServices的wsdl
访问http://127.0.0.1:8080/WebServiceTest/services/HelloServices?wsdl可以看到如下wsdl的内容:
Xml代码
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions targetNamespace="http://127.0.0.1:8080/WebServiceTest/services/HelloServices" xmlns:apachesoap="http://xml.apache.org/xml-soap" xmlns:impl="http://127.0.0.1:8080/WebServiceTest/services/HelloServices" xmlns:intf="http://127.0.0.1:8080/WebServiceTest/services/HelloServices" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:wsdlsoap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<!--WSDL created by Apache Axis version: 1.4
Built on Apr 22, 2006 (06:55:48 PDT)-->
<wsdl:message name="sayHelloToPersonRequest">
<wsdl:part name="name" type="soapenc:string"/>
</wsdl:message>
<wsdl:message name="sayHelloRequest">
</wsdl:message>
<wsdl:message name="sayHelloToPersonResponse">
<wsdl:part name="sayHelloToPersonReturn" type="soapenc:string"/>
</wsdl:message>
<wsdl:message name="sayHelloResponse">
<wsdl:part name="sayHelloReturn" type="soapenc:string"/>
</wsdl:message>
<wsdl:portType name="HelloService">
<wsdl:operation name="sayHello">
<wsdl:input message="impl:sayHelloRequest" name="sayHelloRequest"/>
<wsdl:output message="impl:sayHelloResponse" name="sayHelloResponse"/>
</wsdl:operation>
<wsdl:operation name="sayHelloToPerson" parameterOrder="name">
<wsdl:input message="impl:sayHelloToPersonRequest" name="sayHelloToPersonRequest"/>
<wsdl:output message="impl:sayHelloToPersonResponse" name="sayHelloToPersonResponse"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="HelloServicesSoapBinding" type="impl:HelloService">
<wsdlsoap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="sayHello">
<wsdlsoap:operation soapAction=""/>
<wsdl:input name="sayHelloRequest">
<wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://webservice.sinosoft.com" use="encoded"/>
</wsdl:input>
<wsdl:output name="sayHelloResponse">
<wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://127.0.0.1:8080/WebServiceTest/services/HelloServices" use="encoded"/>
</wsdl:output>
</wsdl:operation>
<wsdl:operation name="sayHelloToPerson">
<wsdlsoap:operation soapAction=""/>
<wsdl:input name="sayHelloToPersonRequest">
<wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://webservice.sinosoft.com" use="encoded"/>
</wsdl:input>
<wsdl:output name="sayHelloToPersonResponse">
<wsdlsoap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://127.0.0.1:8080/WebServiceTest/services/HelloServices" use="encoded"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="HelloServiceService">
<wsdl:port binding="impl:HelloServicesSoapBinding" name="HelloServices">
<wsdlsoap:address location="http://127.0.0.1:8080/WebServiceTest/services/HelloServices"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>
用Java调用WebService实例
下面是用Java调用刚发布的WebService例子。
Java代码
/*
* File name: TestHelloService.java
*
* Version: v1.0
*
* Created on Aug 2, 2008 9:54:10 AM
*
* Designed by Stephen
*
* (c)Copyright 2008
*/
package test.com.sinosoft.webservice;
import java.io.IOException;
import java.net.MalformedURLException;
import javax.xml.namespace.QName;
import javax.xml.rpc.ServiceException;
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Stephen
*
* 测试调用WebService
*/
public class TestHelloService {
private static final Log log = LogFactory.getLog(TestHelloService.class);
private static final String HELLO_SERVICE_ENDPOINT = "http://127.0.0.1:8080/WebServiceTest/services/HelloServices?wsdl";
public static void main(String[] args) {
TestHelloService tester = new TestHelloService();
// tester.callSayHello();
tester.callSayHelloToPerson();
}
public void callSayHello() {
try {
Service service = new Service();
Call call = (Call) service.createCall();
call.setTargetEndpointAddress(new java.net.URL(
HELLO_SERVICE_ENDPOINT));
//下面名字查询的http://127.0.0.1:8080/WebServiceTest/services/HelloServices?wsdl文件里有
call.setOperationName(new QName("http://webservice.sinosoft.com/",
"sayHello"));
call.setReturnType(org.apache.axis.Constants.XSD_STRING);
try {
//远程调用发布的方法
String ret = (String) call.invoke(new Object[] {});
System.out.println("The return value is:" + ret);
return;
} catch (IOException e) {
e.printStackTrace();
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (ServiceException e) {
e.printStackTrace();
}
log.error("call sayHello service error!");
}
public void callSayHelloToPerson() {
try {
Service service = new Service();
Call call = (Call) service.createCall();
call.setTargetEndpointAddress(new java.net.URL(HELLO_SERVICE_ENDPOINT));
call.setOperationName(new QName("http://webservice.sinosoft.com/",
"sayHelloToPerson"));
call.addParameter("name", org.apache.axis.Constants.XSD_STRING,
javax.xml.rpc.ParameterMode.IN);
call.setReturnType(org.apache.axis.Constants.XSD_STRING);
try {
String ret = (String) call.invoke(new Object[] { "Stephen" });
System.out.println("The return value is:" + ret);
return;
} catch (IOException e) {
e.printStackTrace();
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (ServiceException e) {
e.printStackTrace();
}
log.error("call sayHello service error!");
}
}
发表评论
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webservice wsdl文件详解
2015-03-06 10:59 1668WSDL: Web Services De ... -
Spring整合CXF,发布RSETful 风格WebService
2013-01-18 15:56 1560文章链接:http://zhangfan822.ite ... -
webservice能跑的demo
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webservice知识点
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java WebService例子
2012-04-09 22:20 1414一、Axis安装 1、环境 J2SE SDK 1.3 or 1 ... -
Webservice原理
2012-04-07 22:51 1721Webservice的基本概念: Web Services 直 ...
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