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Java开发或调用WebService的几种方式

Java开发或调用WebService的几种方式

文章目录

一.JDK自带的 JAX-WS 方式开发WebService服务

1.服务端开发与发布
  1. 编写接口

    @WebService
    public interface JaxWsDemo {
    String helloJaxWS(String userName);
    }

  2. 编写接口的实现类

    @WebService
    public class JaxWsDemoImpl implements JaxWsDemo {
    @WebMethod
    @WebResult(name = “jaxWSResult”)
    @Override
    public String helloJaxWS(@WebParam(name = “userName”)String userName) {
    return “hello,” + userName + “This is a Web Service developed through JAX-WS”;
    }
    }

  3. 发布服务

    public class JAXWSPublishMain {
    public static void main(String[] args) {
    String address = “http://127.0.0.1:8888/JaxWSTest”;
    Endpoint.publish(address, new JaxWsDemoImpl());
    System.out.println(“WebService 服务已发布!”);
    }
    }

  4. 访问已发布的WebService服务

打开浏览器输入http://127.0.0.1:8888/JaxWSTestwsdl访问,如下面内容
在这里插入图片描述

截图内容1

<!--
 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:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:wsp="http://www.w3.org/ns/ws-policy" xmlns:wsp1_2="http://schemas.xmlsoap.org/ws/2004/09/policy" xmlns:wsam="http://www.w3.org/2007/05/addressing/metadata" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://wsimpl.jaxws/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://schemas.xmlsoap.org/wsdl/" targetNamespace="http://wsimpl.jaxws/" name="JaxWsDemoImplService">
<types>
<xsd:schema>
<xsd:import namespace="http://wsimpl.jaxws/" schemaLocation="http://127.0.0.1:8888/JaxWSTest?xsd=1"/>
</xsd:schema>
</types>
<message name="helloJaxWS">
<part name="parameters" element="tns:helloJaxWS"/>
</message>
<message name="helloJaxWSResponse">
<part name="parameters" element="tns:helloJaxWSResponse"/>
</message>
<portType name="JaxWsDemoImpl">
<operation name="helloJaxWS">
<input wsam:Action="http://wsimpl.jaxws/JaxWsDemoImpl/helloJaxWSRequest" message="tns:helloJaxWS"/>
<output wsam:Action="http://wsimpl.jaxws/JaxWsDemoImpl/helloJaxWSResponse" message="tns:helloJaxWSResponse"/>
</operation>
</portType>
<binding name="JaxWsDemoImplPortBinding" type="tns:JaxWsDemoImpl">
<soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="document"/>
<operation name="helloJaxWS">
<soap:operation soapAction=""/>
<input>
<soap:body use="literal"/>
</input>
<output>
<soap:body use="literal"/>
</output>
</operation>
</binding>
<service name="JaxWsDemoImplService">
<port name="JaxWsDemoImplPort" binding="tns:JaxWsDemoImplPortBinding">
<soap:address location="http://127.0.0.1:8888/JaxWSTest"/>
</port>
</service>
</definitions>

浏览器中输入wsdl文档中的 http://127.0.0.1:8888/JaxWSTestxsd=1可查看绑定的参数等信息看如下图:

在这里插入图片描述

截图内容2

<!--
 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. 
-->
<xs:schema xmlns:tns="http://wsimpl.jaxws/" xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.0" targetNamespace="http://wsimpl.jaxws/">
<xs:element name="helloJaxWS" type="tns:helloJaxWS"/>
<xs:element name="helloJaxWSResponse" type="tns:helloJaxWSResponse"/>
<xs:complexType name="helloJaxWS">
<xs:sequence>
<xs:element name="userName" type="xs:string" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="helloJaxWSResponse">
<xs:sequence>
<xs:element name="jaxWSResult" type="xs:string" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
</xs:schema>
  1. jdk自带生成WebService的wsimport命令

    -encoding : 指定编码格式

    -keep:是否生成java源文件

    -d:指定.class文件的输出目录

    -s:指定.java文件的输出目录, 此目录必须存在

    -p:定义生成类的包名,不定义的话有默认包名

    -verbose:在控制台显示输出信息

    -b:指定jaxws/jaxb绑定文件或额外的schemas

    -extension:使用扩展来支持SOAP1.2

    举例

    wsimport -encoding utf-8 -keep -d D: emp -p com.lawyer.user -verbose http://IP:port/serverName?wsdl

2.客户端开发与测试
  1. 生成客户端源码

切换到要生成客户端源码的路径下,如下:

cd F:SpringBootProjectswebServiceDemojwsDemosrcmainjavademoOneclient>

根据wsdl文档地址生成源码信息:

F:SpringBootProjectswebServiceDemojwsDemosrcmainjavademoOneclient>
wsimport -d F:SpringBootProjectswebServiceDemojwsDemosrcmainjavademoOneclient
-keep -verbose http://127.0.0.1:8888/JaxWSTest?wsdl

参数说明:

wsimport : 导入命令,如果使用cxf就换成 wsdl2java  命令 
-d [源码位置]      : 指定要生成的源码的目录,不指定则默认在哪个目录打开的cmd窗口,就生在那个目录下
-keep : 是否生成*.java的源文件,写了此参数则直接生成*.java与*.class文件,不写此参数则只有*.class文件 
-verbose : 显示文件生成过程中的详细信息
-p [包名]: 指定要生成在哪个包下,不指定生成时取默认
  1. 客户端代码生成后测试

    package demoOne.client;

    import demoone.JaxWsDemoImplService;

    /**

    • Created by IntelliJ IDEA.
    • User: jinshengyuan
    • Date: 2019-03-13
    • Time: 10:34
    • description: 客户端测试
      **/
      public class ClientTest {
      public static void main(String[] args) {
      demoone.JaxWsDemoImplService implService = new JaxWsDemoImplService();
      demoone.JaxWsDemoImpl jaxWsDemo = (demoone.JaxWsDemoImpl)implService.getJaxWsDemoImplPort();
      String aa = jaxWsDemo.helloJaxWS("Tom ");
      System.out.println(“调用WebService执行结果:”+aa);
      }
      }

执行结果:

调用WebService执行结果:hello,Tom This is a Web Service developed through JAX-WS

二.Axis1.4调用.Net返回值为DataSet类型的WebService接口

1.相关说明

  1. JDK版本:1.8.0_172
  2. axis版本:Axis1.4

2. Axis1.4客户端WebService服务

1.Axis1.4下载
  1. 官网:http://axis.apache.org/axis/
  2. 下载后是一个压缩文件:axis-bin_1.4.zip
  3. 非maven环境,则导入axis-bin_1.4.zip包下的lib目录下的所有jar包,如下图:

在这里插入图片描述

4.maven环境的话,在pom.xml中添加下面的依赖即可

<!--Axis1.4 及其依赖 begin-->
        <!-- https://mvnrepository.com/artifact/org.apache.axis/axis -->
        <dependency>
            <groupId>org.apache.axis</groupId>
            <artifactId>axis</artifactId>
            <version>1.4</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/jaxrpc/jaxrpc -->
        <!-- https://mvnrepository.com/artifact/axis/axis-jaxrpc -->
        <dependency>
            <groupId>axis</groupId>
            <artifactId>axis-jaxrpc</artifactId>
            <version>1.4</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/axis/axis-ant -->
        <dependency>
            <groupId>axis</groupId>
            <artifactId>axis-ant</artifactId>
            <version>1.4</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/axis/axis-saaj -->
        <dependency>
            <groupId>axis</groupId>
            <artifactId>axis-saaj</artifactId>
            <version>1.4</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/wsdl4j/wsdl4j -->
        <dependency>
            <groupId>wsdl4j</groupId>
            <artifactId>wsdl4j</artifactId>
            <version>1.6.3</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/commons-discovery/commons-discovery -->
        <dependency>
            <groupId>commons-discovery</groupId>
            <artifactId>commons-discovery</artifactId>
            <version>0.5</version>
        </dependency>
        <!--Axis1.4 及其依赖 end-->
<!-- 引入dom4j 解析数据时用-->
 <!-- https://mvnrepository.com/artifact/org.dom4j/dom4j -->
        <dependency>
            <groupId>org.dom4j</groupId>
            <artifactId>dom4j</artifactId>
            <version>2.1.1</version>
        </dependency>
2.WebService服务接口地址及方法
  1. 地址:http://www.webxml.com.cn/WebServices/WeatherWebService.asmx
  2. 调用的方法:http://www.webxml.com.cn/WebServices/WeatherWebService.asmx/getSupportDataSet
    在这里插入图片描述
3.编写调用WebService服务的方法及数据解析
  1. 编写调用WebService服务的客户端java类,并打印结果,类名为:Axis1_Client

    package com.yuan;

    import org.apache.axis.client.Call;
    import org.apache.axis.client.Service;
    import org.apache.axis.encoding.XMLType;
    import org.apache.axis.message.MessageElement;
    import org.apache.axis.types.Schema;
    import org.dom4j.Document;
    import org.dom4j.DocumentException;
    import org.dom4j.DocumentHelper;
    import org.dom4j.Element;
    import org.junit.Test;

    import javax.xml.namespace.QName;
    import java.net.URL;
    import java.util.Iterator;
    import java.util.List;

    /**

    • Created by IntelliJ IDEA.

    • User: jinshengyuan

    • Date: 2019-01-15

    • Time: 15:13

    • description:
      /
      public class Axis1_Client {
      /

      • 使用dom4j解析数据
        */
        @Test
        public void axisWSInvoke(){
        String dataSetDataStr = axisInvokeNetDataSetData();
        //System.out.println(dataSetDataStr);
        if(dataSetDataStr != null){
        try {
        Document doc = DocumentHelper.parseText(dataSetDataStr);// 将字符串转为XML
        Element root = doc.getRootElement();// 获取根节点
        Iterator iterator = root.elementIterator(“Zone”);//迭代节点
        String id,zone;
        while(iterator.hasNext()){
        Element element = (Element) iterator.next();
        id = element.elementTextTrim(“ID”);//取出Zone节点下的ID元素的值
        zone = element.elementTextTrim(“Zone”);//取出Zone节点下的Zone元素的值
        System.out.println(“Id:”+id+“=============================Zone:”+zone);
        }
        } catch (DocumentException e) {
        e.printStackTrace();
        }

        }
        }

      /**

      • 调用.Net写的返回值为DataSet类型的WebService服务
      • @return
        */
        public String axisInvokeNetDataSetData(){
        Service service = new Service();
        String strXml = null;
        Call call = null;
        try {
        call = (Call) service.createCall();
        call.setTargetEndpointAddress(new URL(“http://www.webxml.com.cn/WebServices/WeatherWebService.asmx”));//WSURL,注意不要带?wsdl
        //调用方法方法前设置相关参数
        call.setOperationName(new QName(“http://WebXml.com.cn/”, “getSupportDataSet”));
        call.setReturnType(XMLType.XSD_SCHEMA);//返回类型,这里一定要传入 XMLType.XSD_SCHEMA 类型
        call.setUseSOAPAction(true);
        call.setSOAPActionURI(“http://WebXml.com.cn/getSupportDataSet”);//soapAction
        Object obj = call.invoke((Object[]) null);
        Schema schema = (Schema) obj;
        MessageElement[] messageElements = schema.get_any();
        List messageHead = messageElements[0].getChildren();//消息头,DataSet对象
        List messageBody = messageElements[1].getChildren();//消息体信息,DataSet对象,最终需要解析的数据
        if (messageBody.size() > 0) {
        String head = messageHead.get(0).toString();//消息头,DataSet对象
        String diffgr = messageBody.get(0).toString();//消息体的字符串形式
        strXml = diffgr;
        System.out.println("head:
        "+head);
        System.out.println("diffgr:
        " + diffgr);
        }
        } catch (Exception e) {
        e.printStackTrace();
        }
        return strXml;
        }
        }
  2. 输出结果:

    Id:1=Zone:直辖市
    Id:2
    =Zone:特别行政区
    Id:3=Zone:黑龙江
    Id:4
    =Zone:吉林
    Id:5=Zone:辽宁
    Id:6
    =Zone:内蒙古
    Id:7=Zone:河北
    Id:8
    =Zone:河南
    Id:9=Zone:山东
    Id:10
    =Zone:山西
    Id:11=Zone:江苏
    Id:12
    =Zone:安徽
    Id:13=Zone:陕西
    Id:14
    =Zone:宁夏
    Id:15=Zone:甘肃
    Id:16
    =Zone:青海
    Id:17=Zone:湖北
    Id:18
    =Zone:湖南
    Id:19=Zone:浙江
    Id:20
    =Zone:江西
    Id:21=Zone:福建
    Id:22
    =Zone:贵州
    Id:23=Zone:四川
    Id:24
    =Zone:广东
    Id:25=Zone:广西
    Id:26
    =Zone:云南
    Id:27=Zone:海南
    Id:28
    =Zone:新疆
    Id:29=Zone:西藏
    Id:30
    =Zone:台湾
    Id:31=Zone:亚洲
    Id:32
    =Zone:欧洲
    Id:33=Zone:非洲
    Id:34
    =Zone:北美洲
    Id:35=Zone:南美洲
    Id:36
    =Zone:大洋洲

三. CXF 开发WebService接口

1. jax-ws实现

场景:CXF结合Spring实现发布与调用简单的WebService

  • 导入包
  1. pom.xml引入cxf的依赖即可
  • 开发java接口与实现类代码
  1. 编写接口

    package com.ssm.webservice;

    import javax.jws.WebMethod;
    import javax.jws.WebParam;
    import javax.jws.WebResult;
    import javax.jws.WebService;

    /**

    • Created by IntelliJ IDEA.
    • User: jinshengyuan
    • Date: 2018-11-09
    • Time: 9:04
    • description:
      **/
      @WebService
      public interface Hello {
      @WebMethod
      @WebResult(name = “result”) String sayHello(@WebParam(name = “name”) String name);
      }
  2. 编写接口的实现类

    package com.ssm.webservice.impl;

    import com.ssm.dao.sysManagement.ComLogMapper;
    import com.ssm.model.ComLog;
    import com.ssm.service.sysManagement.ComLogService;
    import com.ssm.utils.CommonsUtil;
    import com.ssm.webservice.Hello;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Component;

    import java.text.SimpleDateFormat;
    import java.util.Date;

    /**

    • Created by IntelliJ IDEA.

    • User: jinshengyuan

    • Date: 2018-11-09

    • Time: 9:06

    • description:
      **/
      public class HelloImpl implements Hello {

      //这里跟controller中调用Service一样,使用@Autowired注解自动注入service
      @Autowired
      ComLogService comLogService;
      @Override
      public String sayHello(String name) {
      //从数据库中获取当前系统日期
      Date date = comLogService.getCurrentDatetime();
      String currentDateTime = null;
      if(date != null){
      SimpleDateFormat dateFormat = new SimpleDateFormat(“yyyy-MM-dd HH:mm:ss”);
      currentDateTime = dateFormat.format(date);
      System.out.println(“系统日期:”+currentDateTime);
      }

       return "hello," + name + ",当前时间为:"+currentDateTime;
      

      }
      }

  • 与spring集成
  1. spring.xml文件中的核心配置

    <import resource="classpath:META-INF/cxf/cxf.xml" />
    
    <!-- 配置方式1   注意:serviceClass为接口类并非接口的实现类 -->
    <jaxws:server serviceClass="com.ssm.webservice.Hello" address="/webServiceTestA"></jaxws:server>
    <!--访问地址:http://localhost:8080/ssm/webService/webServiceTestA?wsdl-->
    
    <!-- 配置方式2    注意:implementor为接口的具体实现类,与springmvc整合时,推荐使用这种方式,如果使用配置方式1,则会在访问时,提示如下错误:
     org.apache.cxf.interceptor.Fault: Could not instantiate service class com.ssm.webservice.Hello because it is an interface.
     -->
    <jaxws:endpoint implementor="com.ssm.webservice.impl.HelloImpl" address="/webServiceTest"></jaxws:endpoint>
    <!--访问地址:http://localhost:8080/ssm/webService/webServiceTest?wsdl-->
    
  2. web.xml中的配置

    <servlet>
        <servlet-name>CXFServlet</servlet-name>
        <servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>CXFServlet</servlet-name>
        <!--工程名(ssm)后面紧跟的 url-->
        <url-pattern>/webService/*</url-pattern>
    </servlet-mapping>
    
  • 测试
  1. 打开浏览器,输入http://localhost:8080/ssm/webService/webServiceTestwsdl进行测试

2. CXF-RESTFul服务实现

  • JAX-RS概述

JAX-RS是Java提供用于开发RESTful Web服务基于注解(annotation)的API。JAX-RS旨在定义一个统一的规范,使得Java程序员可以使用一套固定的接口来开发REST应用,避免了依赖第三方框架。同时JAX-RS使用POJO编程模型和基于注解的配置并集成JAXB,可以有效缩短REST应用的开发周期。JAX-RS只定义RESTful API,具体实现由第三方提供,如Jersey、Apache CXF等。

JAX-RS包含近五十多个接口、注解和抽象类:

  • javax.ws.rs包含用于创建RESTful服务资源的高层次(High-level)接 口和注解。
  • javax.ws.rs.core包含用于创建RESTful服务资源的低层次(Low-level)接口和注解。
  • javax.ws.rs.ext包含用于扩展JAX-RS API支持类型的APIs。

JAX-RS常用注解:

  • @Path:标注资源类或方法的相对路径。
  • @GET、@PUT、@POST、@DELETE:标注方法的HTTP请求类型。
  • @Produces:标注返回的MIME媒体类型。
  • @Consumes:标注可接受请求的MIME媒体类型。
  • @PathParam、@QueryParam、@HeaderParam、@CookieParam、@MatrixParam、@FormParam:标注方法的参数来自于HTTP请求的位置。@PathParam来自于URL的路径,@QueryParam来自于URL的查询参数,@HeaderParam来自于HTTP请求的头信息,@CookieParam来自于HTTP请求的Cookie。

原文地址:https://blog.csdn.net/m0_74822999/article/details/144384490

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