spring boot 开发soap webservice的实现代码

发布时间：2020-09-18 20:34:22 来源：脚本之家阅读：247 作者：wls1036 栏目：编程语言

介绍

spring boot web模块提供了RestController实现restful，第一次看到这个名字的时候以为还有SoapController，很可惜没有，对于soap webservice提供了另外一个模块spring-boot-starter-web-services支持。本文介绍如何在spring boot中开发soap webservice接口，以及接口如何同时支持soap和restful两种协议。

soap webservice

Web service是一个平台独立的，低耦合的，自包含的、基于可编程的web的应用程序，既可以是soap webservice也可以是rest webservice，在rest还没出来之前，我们说webservice一般是指基于soap协议进行通信的web应用程序。

在开始之前，我觉得有必要了解下soap webservice，具体的概念网上可以找到很多资料，但网上资料概念性较强，而且soap协议使用的是xml进行通信，相信xml里面一个namespace就能吓跑一大堆人，所以这里不讨论具体的soap协议细节，我想通过一个例子来说明什么是soap webservice，通过该例子，你能了解soap webservice其运作原理，当然如果你觉得你对这个已经很了解了，大可跳过本章节，本章节跟后面的内容没有任何关系。

假设我们开发了一个web接口，想给别人用，我们要怎么办

部署接口到服务器
编写接口文档，写清楚接口是通过什么方法调的，输入参数是什么，输出参数是什么，错误时返回什么。

那问题来了，我们能不能只把接口部署到服务器上，然后接口不单能提供具体的服务，而且还能自动生成一份标准的接口文档，把接口信息都记录在该文档里，如果能做到，是不是能做到"接口即文档"的目的。

那么一个接口的信息包括哪些呢？

接口地址
接口调用方法
接口输入参数
接口输出参数
接口出错返回信息
....

soap webservice里wsdl文件就是接口描述信息。核心的信息就是以上几个。

第二个问题，由于Web service是一个平台独立，也就是说，使用接口的人不知道这个service是用什么技术开发的，可能是php可能是java等，但接口的参数和返回的数据都是一样的，要达到这种目的，就需要两个东西，一个是跟平台无关的数据格式，soap使用的是xml，一个是通信协议，也就是soap协议。

下面就介绍如何不使用任何框架，仅通过servlet实现一个webservice。该webservice功能很简单，就是通过一个人的姓名查询这个人的详细信息。

ps：servlet是java web的基础，理解servlet对理解整个java web非常重要，没写过servlet就开始用各种框架写接口就是在胡闹。

1. wsdl文件

准备以下wsdl文件，不要管这个文件是怎么来的，是怎么生成的，我们这次只讲原理，不谈细节，总之，你根据需求写出了这个wsdl文件。

<?xml version="1.0" encoding="UTF-8" standalone="no"?><wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:sch="http://www.definesys.com/xml/employee" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="http://www.definesys.com/xml/employee" targetNamespace="http://www.definesys.com/xml/employee">
 <wsdl:types>
  <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.definesys.com/xml/employee">

  <xs:element name="EmployeeDetailRequest">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="name" type="xs:string"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="EmployeeDetailResponse">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="Employee" type="tns:Employee"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:complexType name="Employee">
    <xs:sequence>
      <xs:element name="name" type="xs:string"/>
      <xs:element name="email" type="xs:string"/>
    </xs:sequence>
  </xs:complexType>

</xs:schema>
 </wsdl:types>
 <wsdl:message name="EmployeeDetailRequest">
  <wsdl:part element="tns:EmployeeDetailRequest" name="EmployeeDetailRequest">
  </wsdl:part>
 </wsdl:message>
 <wsdl:message name="EmployeeDetailResponse">
  <wsdl:part element="tns:EmployeeDetailResponse" name="EmployeeDetailResponse">
  </wsdl:part>
 </wsdl:message>
 <wsdl:portType name="Employee">
  <wsdl:operation name="EmployeeDetail">
   <wsdl:input message="tns:EmployeeDetailRequest" name="EmployeeDetailRequest">
  </wsdl:input>
   <wsdl:output message="tns:EmployeeDetailResponse" name="EmployeeDetailResponse">
  </wsdl:output>
  </wsdl:operation>
 </wsdl:portType>
 <wsdl:binding name="EmployeeSoap11" type="tns:Employee">
  <soap:binding  transport="http://schemas.xmlsoap.org/soap/http"/>
  <wsdl:operation name="EmployeeDetail">
   <soap:operation soapAction=""/>
   <wsdl:input name="EmployeeDetailRequest">
    <soap:body use="literal"/>
   </wsdl:input>
   <wsdl:output name="EmployeeDetailResponse">
    <soap:body use="literal"/>
   </wsdl:output>
  </wsdl:operation>
 </wsdl:binding>
 <wsdl:service name="EmployeeService">
  <wsdl:port binding="tns:EmployeeSoap11" name="EmployeeSoap11">
   <soap:address location="http://localhost:8081/ws-servlet/ws/employee-detail"/>
  </wsdl:port>
 </wsdl:service>
</wsdl:definitions>

soap:address location里面端口号需要修改为servlet运行的端口号。

从以下xml片段可以看出

...
<wsdl:binding name="EmployeeSoap11" type="tns:Employee">
  <soap:binding  transport="http://schemas.xmlsoap.org/soap/http"/>
  <wsdl:operation name="EmployeeDetail">
   <soap:operation soapAction=""/>
   <wsdl:input name="EmployeeDetailRequest">
    <soap:body use="literal"/>
   </wsdl:input>
   <wsdl:output name="EmployeeDetailResponse">
    <soap:body use="literal"/>
   </wsdl:output>
  </wsdl:operation>
 </wsdl:binding>
 <wsdl:service name="EmployeeService">
  <wsdl:port binding="tns:EmployeeSoap11" name="EmployeeSoap11">
   <soap:address location="http://localhost:8081/ws-servlet/ws/employee-detail"/>
  </wsdl:port>
 </wsdl:service>

接口名称是EmployeeDetail(wsdl:operation)
接口输入参数是EmployeeDetailRequest(wsdl:input)
接口输出参数是EmployeeDetailResponse(wsdl:output)
接口地址是http://localhost:8081/ws-servlet/ws/employee-detail(soap:address)

2. 获取wsdl文件servlet

package com.definesys.demo.servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @Copyright: Shanghai Definesys Company.All rights reserved.
 * @Description:
 * @author: jianfeng.zheng
 * @since: 2019/1/5 下午1:45
 * @history: 1.2019/1/5 created by jianfeng.zheng
 */
public class WsdlServlet extends HttpServlet {
  public static final String WSDL_XML = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?><wsdl:definitions xmlns:wsdl=\"http://schemas.xmlsoap.org/wsdl/\" xmlns:sch=\"http://www.definesys.com/xml/employee\" xmlns:soap=\"http://schemas.xmlsoap.org/wsdl/soap/\" xmlns:tns=\"http://www.definesys.com/xml/employee\" targetNamespace=\"http://www.definesys.com/xml/employee\">\n" +
      " <wsdl:types>\n" +
      "  <xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\" elementFormDefault=\"qualified\" targetNamespace=\"http://www.definesys.com/xml/employee\">\n" +
      "\n" +
      "  <xs:element name=\"EmployeeDetailRequest\">\n" +
      "    <xs:complexType>\n" +
      "      <xs:sequence>\n" +
      "        <xs:element name=\"name\" type=\"xs:string\"/>\n" +
      "      </xs:sequence>\n" +
      "    </xs:complexType>\n" +
      "  </xs:element>\n" +
      "\n" +
      "  <xs:element name=\"EmployeeDetailResponse\">\n" +
      "    <xs:complexType>\n" +
      "      <xs:sequence>\n" +
      "        <xs:element name=\"Employee\" type=\"tns:Employee\"/>\n" +
      "      </xs:sequence>\n" +
      "    </xs:complexType>\n" +
      "  </xs:element>\n" +
      "\n" +
      "  <xs:complexType name=\"Employee\">\n" +
      "    <xs:sequence>\n" +
      "      <xs:element name=\"name\" type=\"xs:string\"/>\n" +
      "      <xs:element name=\"email\" type=\"xs:string\"/>\n" +
      "    </xs:sequence>\n" +
      "  </xs:complexType>\n" +
      "\n" +
      "</xs:schema>\n" +
      " </wsdl:types>\n" +
      " <wsdl:message name=\"EmployeeDetailRequest\">\n" +
      "  <wsdl:part element=\"tns:EmployeeDetailRequest\" name=\"EmployeeDetailRequest\">\n" +
      "  </wsdl:part>\n" +
      " </wsdl:message>\n" +
      " <wsdl:message name=\"EmployeeDetailResponse\">\n" +
      "  <wsdl:part element=\"tns:EmployeeDetailResponse\" name=\"EmployeeDetailResponse\">\n" +
      "  </wsdl:part>\n" +
      " </wsdl:message>\n" +
      " <wsdl:portType name=\"Employee\">\n" +
      "  <wsdl:operation name=\"EmployeeDetail\">\n" +
      "   <wsdl:input message=\"tns:EmployeeDetailRequest\" name=\"EmployeeDetailRequest\">\n" +
      "  </wsdl:input>\n" +
      "   <wsdl:output message=\"tns:EmployeeDetailResponse\" name=\"EmployeeDetailResponse\">\n" +
      "  </wsdl:output>\n" +
      "  </wsdl:operation>\n" +
      " </wsdl:portType>\n" +
      " <wsdl:binding name=\"EmployeeSoap11\" type=\"tns:Employee\">\n" +
      "  <soap:binding style=\"document\" transport=\"http://schemas.xmlsoap.org/soap/http\"/>\n" +
      "  <wsdl:operation name=\"EmployeeDetail\">\n" +
      "   <soap:operation soapAction=\"\"/>\n" +
      "   <wsdl:input name=\"EmployeeDetailRequest\">\n" +
      "    <soap:body use=\"literal\"/>\n" +
      "   </wsdl:input>\n" +
      "   <wsdl:output name=\"EmployeeDetailResponse\">\n" +
      "    <soap:body use=\"literal\"/>\n" +
      "   </wsdl:output>\n" +
      "  </wsdl:operation>\n" +
      " </wsdl:binding>\n" +
      " <wsdl:service name=\"EmployeeService\">\n" +
      "  <wsdl:port binding=\"tns:EmployeeSoap11\" name=\"EmployeeSoap11\">\n" +
      "   <soap:address location=\"http://localhost:8081/ws-servlet/ws/employee-detail\"/>\n" +
      "  </wsdl:port>\n" +
      " </wsdl:service>\n" +
      "</wsdl:definitions>";

  @Override
  protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setContentType("text/xml");
    resp.getOutputStream().write(WSDL_XML.getBytes());
  }
}

是不是很简单，是的，为了简单，我直接将wsdl文件用变量存储，我们还需要配置下web.xml

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
     version="3.1">
  <servlet>
    <servlet-name>wsdl</servlet-name>
    <servlet-class>com.definesys.demo.servlet.WsdlServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>wsdl</servlet-name>
    <url-pattern>/ws/employee</url-pattern>
  </servlet-mapping>
</web-app>

这样我们访问http://localhost:8080/ws/employee就能返回一个wsdl文件，也就是接口描述文件。在wsdl文件里，我们定义接口地址为http://localhost:8080/ws/employee-detail，接下来我们就要实现这个接口。

3. 业务servlet

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @Copyright: Shanghai Definesys Company.All rights reserved.
 * @Description:
 * @author: jianfeng.zheng
 * @since: 2019/1/5 下午2:56
 * @history: 1.2019/1/5 created by jianfeng.zheng
 */
public class EmployeeServlet extends HttpServlet {
  @Override
  protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String response = "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\">\n" +
        "  <SOAP-ENV:Header/>\n" +
        "  <SOAP-ENV:Body>\n" +
        "   <ns2:EmployeeDetailResponse xmlns:ns2=\"http://www.definesys.com/xml/employee\">\n" +
        "     <ns2:Employee>\n" +
        "      <ns2:name>jianfeng</ns2:name>\n" +
        "      <ns2:email>jianfeng.zheng@definesys.com</ns2:email>\n" +
        "     </ns2:Employee>\n" +
        "   </ns2:EmployeeDetailResponse>\n" +
        "  </SOAP-ENV:Body>\n" +
        "</SOAP-ENV:Envelope>";
    resp.getOutputStream().write(response.getBytes());
  }
}

这里不做任何业务处理，不做xml转bean，不做bean转xml，就是这么暴力，直接返回xml，但他仍是一个soap服务，支持所有soap工具调用。

将servlet配置到web.xml里

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
     version="3.1">
  <servlet>
    <servlet-name>wsdl</servlet-name>
    <servlet-class>com.definesys.demo.servlet.WsdlServlet</servlet-class>
  </servlet>
  <servlet>
    <servlet-name>employee</servlet-name>
    <servlet-class>com.definesys.demo.servlet.EmployeeServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>wsdl</servlet-name>
    <url-pattern>/ws/employee</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>employee</servlet-name>
    <url-pattern>/ws/employee-detail</url-pattern>
  </servlet-mapping>
</web-app>

/ws/employee-detail这个地址必须和wsdl文件里定义的保持一致，不然服务无法被找到。

4. 测试

使用soapui测试我们的webservice，通过地址http://localhost:8081/ws-servlet/ws/employee导入wsdl文件，测试接口，返回我们在业务servlet里面写死的内容。恭喜你，你已经不依赖任何第三方包完成了一个soap webservice。

当然这个只是一个玩具，但框架就是在上面的基础上进行扩展，增加wsdl文件自动生成，xml转java，java转xml，xml校验，错误处理等功能，如果你有时间，你也可以写一个soap webservice框架。

代码已经上传至github，欢迎star，开始进入正题，偏的有点远。

spring boot开发soap webservice

1. 创建spring boot工程

你可以通过spring initializr初始化spring boot工程，也可以通过inte idea的spring initializr插件进行初始化，个人推荐后面这种。

2. 添加依赖

添加soap webservice相关依赖包和插件，

pom.xml

<!--依赖-->
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-web-services</artifactId>
</dependency>

<dependency>
  <groupId>wsdl4j</groupId>
  <artifactId>wsdl4j</artifactId>
</dependency>
...

<!--插件-->
<plugin>
  <groupId>org.codehaus.mojo</groupId>
  <artifactId>jaxb2-maven-plugin</artifactId>
  <version>1.6</version>
  <executions>
    <execution>
      <id>xjc</id>
      <goals>
        <goal>xjc</goal>
      </goals>
    </execution>
  </executions>
  <configuration>
    <schemaDirectory>${project.basedir}/src/main/resources/</schemaDirectory>
    <!--<schemaFiles>employee.xsd</schemaFiles>-->
    <outputDirectory>${project.basedir}/src/main/java</outputDirectory>
    <packageName>com.definesys.tutorial.ws.type</packageName>
    <clearOutputDir>false</clearOutputDir>
  </configuration>
</plugin>

插件jaxb2能够实现java和xml之间互转，下面是几个参数的说明

schemaDirectory：xsd文件目录
schemaFiles：指定schemaDirectory下的xsd文件，多个用逗号隔开，必须指定schemaDirectory
outputDirectory：生成java文件保存目录
packageName：生成java文件包路径
clearOutputDir：重新生成前是否需要清空目录

3. 编写xsd文件

假设我们的需求是通过员工工号查询员工详细信息，根据需求编写以下xsd文件，并保存在/src/main/resources/目录下。

employee.xsd

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://www.definesys.com/xml/employee"
      targetNamespace="http://www.definesys.com/xml/employee" elementFormDefault="qualified">

  <xs:element name="EmployeeDetailRequest">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="code" type="xs:string"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:element name="EmployeeDetailResponse">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="Employee" type="tns:Employee"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

  <xs:complexType name="Employee">
    <xs:sequence>
      <xs:element name="code" type="xs:string"/>
      <xs:element name="name" type="xs:string"/>
      <xs:element name="email" type="xs:string"/>
    </xs:sequence>
  </xs:complexType>

</xs:schema>

4. 生成java类型文件

我们需要根据xsd文件生成java类型文件，这就要借助maven插件jaxb2，打开终端运行命令mvn jaxb2:xjc，如果运行正常，就会在目录com.definesys.tutorial.ws.type下生成一堆java文件，此时文件结构如下：

.
├── java
│  └── com
│    └── definesys
│      └── tutorial
│        └── ws
│          ├── SpringbootWsApplication.java
│          └── type
│            ├── Employee.java
│            ├── EmployeeDetailRequest.java
│            ├── EmployeeDetailResponse.java
│            ├── ObjectFactory.java
│            └── package-info.java
└── resources
  ├── application.properties
  ├── employee.xsd
  ├── static
  └── templates

5. 创建配置文件

WebserviceConfig.java

package com.definesys.tutorial.ws;

import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.ws.config.annotation.EnableWs;
import org.springframework.ws.config.annotation.WsConfigurerAdapter;
import org.springframework.ws.transport.http.MessageDispatcherServlet;
import org.springframework.ws.wsdl.wsdl11.DefaultWsdl11Definition;
import org.springframework.ws.wsdl.wsdl11.Wsdl11Definition;
import org.springframework.xml.xsd.SimpleXsdSchema;
import org.springframework.xml.xsd.XsdSchema;

/**
 * @Copyright: Shanghai Definesys Company.All rights reserved.
 * @Description:
 * @author: jianfeng.zheng
 * @since: 2019/1/5 下午4:46
 * @history: 1.2019/1/5 created by jianfeng.zheng
 */

@EnableWs
@Configuration
public class WebserviceConfig extends WsConfigurerAdapter {

  @Bean
  public ServletRegistrationBean messageDispatcherServlet(ApplicationContext applicationContext) {
    MessageDispatcherServlet servlet = new MessageDispatcherServlet();
    servlet.setApplicationContext(applicationContext);
    servlet.setTransformWsdlLocations(true);
    return new ServletRegistrationBean(servlet, "/ws/*");
  }

  @Bean(name = "employee")
  public Wsdl11Definition defaultWsdl11Definition(XsdSchema schema) {
    DefaultWsdl11Definition wsdl = new DefaultWsdl11Definition();
    wsdl.setPortTypeName("EmployeePort");
    wsdl.setLocationUri("/ws/employee-detail");
    wsdl.setTargetNamespace("http://www.definesys.com/xml/employee");
    wsdl.setSchema(schema);
    return wsdl;
  }

  @Bean
  public XsdSchema employeeSchema() {
    return new SimpleXsdSchema(new ClassPathResource("employee.xsd"));
  }
}

6. 创建业务服务

EmployeeSoapController.java

package com.definesys.tutorial.ws;

import com.definesys.tutorial.ws.type.Employee;
import com.definesys.tutorial.ws.type.EmployeeDetailRequest;
import com.definesys.tutorial.ws.type.EmployeeDetailResponse;
import org.springframework.ws.server.endpoint.annotation.PayloadRoot;
import org.springframework.ws.server.endpoint.annotation.RequestPayload;
import org.springframework.ws.server.endpoint.annotation.ResponsePayload;

/**
 * @Copyright: Shanghai Definesys Company.All rights reserved.
 * @Description:
 * @author: jianfeng.zheng
 * @since: 2019/1/5 下午4:49
 * @history: 1.2019/1/5 created by jianfeng.zheng
 */
@Endpoint
public class EmployeeSoapController {

  private static final String NAMESPACE_URI = "http://www.definesys.com/xml/employee";

  @PayloadRoot(namespace = NAMESPACE_URI, localPart = "EmployeeDetailRequest")
  @ResponsePayload
  public EmployeeDetailResponse getEmployee(@RequestPayload EmployeeDetailRequest request) {

    EmployeeDetailResponse response = new EmployeeDetailResponse();

    //这里只作为演示,真正开发中需要编写业务逻辑代码
    Employee employee = new Employee();
    employee.setName("jianfeng");
    employee.setEmail("jianfeng.zheng@definesys.com");
    employee.setCode(request.getCode());
    response.setEmployee(employee);

    return response;
  }
}

与RestController不一样的是，spring boot soap是根据请求报文来指定调用的函数，RestController是根据请求路径来确定。@PayloadRoot就是关键，如本次请求报文如下：

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:emp="http://www.definesys.com/xml/employee">
  <soapenv:Header/>
  <soapenv:Body>
   <emp:EmployeeDetailRequest>
     <emp:code>?</emp:code>
   </emp:EmployeeDetailRequest>
  </soapenv:Body>
</soapenv:Envelope>

xmlns:emp="http://www.definesys.com/xml/employee"就是@PayloadRoot.namespace，emp:EmployeeDetailRequest对应@PayloadRoot.localPart。理解了这个其他都很好理解。

7. 测试

使用soapui进行测试，通过地址http://localhost:8080/ws/employee.wsdl导入wsdl文件进行测试。

输入报文

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:emp="http://www.definesys.com/xml/employee">
  <soapenv:Header/>
  <soapenv:Body>
   <emp:EmployeeDetailRequest>
     <emp:code>004</emp:code>
   </emp:EmployeeDetailRequest>
  </soapenv:Body>
</soapenv:Envelope>

输出报文

<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
  <SOAP-ENV:Header/>
  <SOAP-ENV:Body>
   <ns2:EmployeeDetailResponse xmlns:ns2="http://www.definesys.com/xml/employee">
     <ns2:Employee>
      <ns2:code>004</ns2:code>
      <ns2:name>jianfeng</ns2:name>
      <ns2:email>jianfeng.zheng@definesys.com</ns2:email>
     </ns2:Employee>
   </ns2:EmployeeDetailResponse>
  </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

同时提供soap和restful两种服务

soap一般在企业内部用的比较多，做系统间的集成，restful一般用于移动应用和h6应用，如果在企业应用开发里能够同时提供两种协议的支持，将极大提高接口的复用。其实也没有想象中的那么复杂，在本例中，只需把业务逻辑部分用service实现再创建一个RestController即可，通过设计模式即可解决，不需要引入新的技术。

EmployeeService.java

package com.definesys.tutorial.ws;

import com.definesys.tutorial.ws.type.Employee;
import com.definesys.tutorial.ws.type.EmployeeDetailRequest;
import com.definesys.tutorial.ws.type.EmployeeDetailResponse;
import org.springframework.stereotype.Service;

/**
 * @Copyright: Shanghai Definesys Company.All rights reserved.
 * @Description:
 * @author: jianfeng.zheng
 * @since: 2019/1/5 下午5:42
 * @history: 1.2019/1/5 created by jianfeng.zheng
 */
@Service
public class EmployeeService {

  public EmployeeDetailResponse getEmployee(EmployeeDetailRequest request) {

    EmployeeDetailResponse response = new EmployeeDetailResponse();

    //这里只作为演示,真正开发中需要编写业务逻辑代码
    Employee employee = new Employee();
    employee.setName("jianfeng");
    employee.setEmail("jianfeng.zheng@definesys.com");
    employee.setCode(request.getCode());
    response.setEmployee(employee);

    return response;
  }
}

EmployeeSoapController.java

package com.definesys.tutorial.ws;

import com.definesys.tutorial.ws.type.Employee;
import com.definesys.tutorial.ws.type.EmployeeDetailRequest;
import com.definesys.tutorial.ws.type.EmployeeDetailResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.ws.server.endpoint.annotation.Endpoint;
import org.springframework.ws.server.endpoint.annotation.PayloadRoot;
import org.springframework.ws.server.endpoint.annotation.RequestPayload;
import org.springframework.ws.server.endpoint.annotation.ResponsePayload;

/**
 * @Copyright: Shanghai Definesys Company.All rights reserved.
 * @Description:
 * @author: jianfeng.zheng
 * @since: 2019/1/5 下午4:49
 * @history: 1.2019/1/5 created by jianfeng.zheng
 */
@Endpoint
public class EmployeeSoapController {

  @Autowired
  private EmployeeService service;

  private static final String NAMESPACE_URI = "http://www.definesys.com/xml/employee";

  @PayloadRoot(namespace = NAMESPACE_URI, localPart = "EmployeeDetailRequest")
  @ResponsePayload
  public EmployeeDetailResponse getEmployee(@RequestPayload EmployeeDetailRequest request) {

    return service.getEmployee(request);
  }
}

EmployeeRestController.java

package com.definesys.tutorial.ws;

import com.definesys.tutorial.ws.type.EmployeeDetailRequest;
import com.definesys.tutorial.ws.type.EmployeeDetailResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

/**
 * @Copyright: Shanghai Definesys Company.All rights reserved.
 * @Description:
 * @author: jianfeng.zheng
 * @since: 2019/1/5 下午5:43
 * @history: 1.2019/1/5 created by jianfeng.zheng
 */
@RestController
@RequestMapping(value = "/rest")
public class EmployeeRestController {

  @Autowired
  private EmployeeService service;

  @RequestMapping(value = "/employee-detail", method = RequestMethod.POST)
  public EmployeeDetailResponse getEmployeeDetail(@RequestBody EmployeeDetailRequest request) {
    return service.getEmployee(request);
  }
}

测试

$ curl http://localhost:8080/rest/employee-detail -X POST -d '{"code":"004"}' -H "Content-Type: application/json"
{
  "employee": {
    "code": "004",
    "name": "jianfeng",
    "email": "jianfeng.zheng@definesys.com"
  }
}

这样就实现了soap和rest同时提供的目的。

本文代码已提交至gitlab欢迎star

相关参考文档

https://spring.io/guides/gs/producing-web-service/
https://github.com/wls1036/tutorial-springboot-soap
https://github.com/wls1036/pure-ws-servlet

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持亿速云。

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