java调用webservice接口 三种方法

// 方法一：使用JAX-WS调用WebService接口

import javax.xml.namespace.QName;
import javax.xml.ws.Service;
import java.net.URL;

public class JAXWSTest {
    public static void main(String[] args) {
        try {
            // 1. 创建WebService的URL地址
            URL url = new URL("http://example.com/service?wsdl");
            // 2. 创建QName对象，指定命名空间和Service名称
            QName qname = new QName("http://example.com/", "ExampleService");
            // 3. 创建Service对象
            Service service = Service.create(url, qname);
            // 4. 获取远程接口实例
            ExamplePortType examplePort = service.getPort(ExamplePortType.class);
            // 5. 调用方法
            String result = examplePort.someMethod("param");
            System.out.println("Result: " + result);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

// 方法二：使用Apache CXF调用WebService接口

import org.apache.cxf.jaxws.JaxWsProxyFactoryBean;

public class ApacheCXFTest {
    public static void main(String[] args) {
        try {
            // 1. 创建JaxWsProxyFactoryBean对象
            JaxWsProxyFactoryBean factory = new JaxWsProxyFactoryBean();
            // 2. 设置Service的地址
            factory.setAddress("http://example.com/service");
            // 3. 设置Service接口类型
            factory.setServiceClass(ExamplePortType.class);
            // 4. 创建代理对象
            ExamplePortType client = (ExamplePortType) factory.create();
            // 5. 调用方法
            String result = client.someMethod("param");
            System.out.println("Result: " + result);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

// 方法三：使用HTTPClient发送SOAP请求

import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class HttpClientSOAPTest {
    public static void main(String[] args) {
        try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
            // 1. 创建HttpPost对象，指定请求地址
            HttpPost httpPost = new HttpPost("http://example.com/service");
            // 2. 设置SOAP消息体
            String soapEnvelope = "<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:exa=\"http://example.com/\">" +
                    "<soapenv:Header/>" +
                    "<soapenv:Body>" +
                    "<exa:someMethod>" +
                    "<arg0>param</arg0>" +
                    "</exa:someMethod>" +
                    "</soapenv:Body>" +
                    "</soapenv:Envelope>";
            // 3. 设置请求头
            httpPost.setHeader("Content-Type", "text/xml;charset=UTF-8");
            httpPost.setHeader("SOAPAction", "someMethod");
            // 4. 设置请求体
            StringEntity entity = new StringEntity(soapEnvelope, "UTF-8");
            httpPost.setEntity(entity);
            // 5. 发送请求并获取响应
            try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
                HttpEntity responseEntity = response.getEntity();
                if (responseEntity != null) {
                    String result = EntityUtils.toString(responseEntity);
                    System.out.println("Result: " + result);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}