maven+SpringMvc发布WebService(附录排除问题小过程)

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简介:项目使用maven管理,SpringMvc框架。但是项目结构只在配置文件中有所体现(引入spring相关jar),未进行实际分模块开发。

过程:

1.创建maven project

2.编辑配置文件总共4个,分别是

   (1)spring-mvc.xml

   (2)spring-webservice.xml

   (3)web.xml

   (4)pom.xml

其中前两个spring开头的配置文件可以随便命名,文件寻址配置在web.xml中

文件内容分别列出:

(1)spring-mvc.xml

<?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:mvc="http://www.springframework.org/schema/mvc"xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"><!-- 开启注解驱动 --><mvc:annotation-driven /><beanclass="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="viewClass"value="org.springframework.web.servlet.view.JstlView" /><property name="prefix" value="/WEB-INF/jsp/" /><property name="suffix" value=".jsp" /></bean> <!-- 配置Controller扫描器 --><context:component-scan base-package="com.msc.controller" /></beans>

(2)spring-webservice.xml

<?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"xsi:schemaLocation="http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"default-lazy-init="true"><bean id="webserviceServer" class="com.msc.service.impl.MyWebserviceImpl" /><!-- 注解2 --><jaxws:endpoint id="myService" implementor="#webserviceServer"address="/webservice111"></jaxws:endpoint></beans>

 (3)web.xml

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://java.sun.com/xml/ns/javaee"xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"version="2.5"><welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list><!-- 注解1 --><context-param><param-name>contextConfigLocation</param-name><param-value> classpath:spring/spring-webservice.xml </param-value></context-param><servlet><servlet-name>springServlet</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><!-- 注解2 --><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:spring/spring-mvc.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>springServlet</servlet-name><url-pattern>/</url-pattern></servlet-mapping><filter><filter-name>characterEncodingFilter</filter-name><filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class><init-param><param-name>encoding</param-name><param-value>UTF-8</param-value></init-param><init-param><param-name>forceEncoding</param-name><param-value>true</param-value></init-param></filter><filter-mapping><filter-name>characterEncodingFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping> <!--Spring MVC是通过DispatcherServlet来加载Spring配置文件的,因此不需要在web.xml中配置ContextLoaderListener。 但是CXF却需要通过ContextLoaderListener来加载Spring。 --><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener> <!-- 配置CXF框架的核心Servlet --><servlet><servlet-name>CXFServlet</servlet-name><servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class><load-on-startup>2</load-on-startup></servlet><!-- 注解3 --><servlet-mapping><servlet-name>CXFServlet</servlet-name><url-pattern>/msc111/*</url-pattern></servlet-mapping></web-app>

注解1和注解2分别配置了spring-mvc.xml和spring-webservice.xml

两个文件不可以使用同一个容器加载。

相关配置的原因百度springmvc父子容器进行不充理解。

(4)pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.msc</groupId><artifactId>msc</artifactId><version>0.0.1-SNAPSHOT</version><packaging>war</packaging><properties><spring.version>4.3.3.RELEASE</spring.version></properties><dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version><scope>test</scope></dependency> <!--spring --><dependency><groupId>org.springframework</groupId><artifactId>spring-core</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-beans</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context-support</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-web</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>${spring.version}</version></dependency><!--web service 以下都是cxf必备的 --> <!--org.apache.cxf.transport.servlet.CXFServlet --><dependency><groupId>org.apache.cxf</groupId><artifactId>cxf-rt-transports-http</artifactId><version>3.1.8</version></dependency> <!--不加这个包会报错Unable to locate spring NamespaceHandler for XML schema namespace [http://cxf.apache.org/jaxws] --><dependency><groupId>org.apache.cxf</groupId><artifactId>cxf-rt-frontend-jaxws</artifactId><version>3.1.8</version></dependency><!--java实现webservice,不部署到tomcat,需要jetty包支持 <dependency> <groupId>org.apache.cxf</groupId> <artifactId>cxf-rt-transports-http-jetty</artifactId> <version>3.1.8</version> </dependency> --></dependencies><!-- 添加tomcat插件 --><build><plugins><plugin><groupId>org.apache.tomcat.maven</groupId><artifactId>tomcat7-maven-plugin</artifactId><configuration><port>8080</port><path>/</path></configuration></plugin><!-- 编译时测试内容报错,需要加 --><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-surefire-plugin</artifactId><configuration><testFailureIgnore>true</testFailureIgnore></configuration></plugin></plugins></build></project>

WebService发布方法:

与一般的maven项目运行相同。项目右键---run as---maven-build

运行如果成功,则可以在浏览器输入:

http://localhost:8080/msc111/webservice111?wsdl

该地址基于spring-webservice.xml中的注解1和web.xml中的注解3

浏览器返回内容为


最后使用紫色方框中的命名空间和名称来进行测试。


在项目中创建一个类,内容如下

package com.msc.client;import java.net.MalformedURLException;import java.net.URL;import javax.xml.namespace.QName;import javax.xml.ws.Service;import com.msc.service.MyWebService;public class WebServiceClient {public static void main(String args[]) {try {URL url = new URL("http://localhost:8080/msc111/webservice111?wsdl"); // 命名空间 及 名称QName qName = new QName("http://impl.service.msc.com/","MyWebserviceImplService");Service service = Service.create(url, qName);MyWebService myWebservice = service.getPort(MyWebService.class);System.out.println(myWebservice.plus(2, 3));System.out.println(myWebservice.minus(2, 3));} catch (MalformedURLException e) {e.printStackTrace();}}}

在该类上右键 ---run as --- java application 就可以访问webservice的远程服务计算加法减法。

maven build失败,如何查找问题所在?

打开命令行,使用cd命令转到当前项目中

然后执行命令:

mvn dependency:analyze


开始按照别人的方法做,就一直不能执行maven build,最终分析结果是,该文作者重复引用了jar文件所致。



生成客户端命令:

首先下载安装cxf,然后配置环境变量

打开命令行

切换到项目目录下输入:

wsdl2java -encoding utf-8 -d E:\workspace\mschttp://localhost:8080/msc111/webservice111?wsdl

回车

项目目录会多出若干package文件夹。可以直接放在客户端项目里使用