java调用WebService(客户端)

最新推荐文章于 2024-07-09 20:05:23 发布

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最新推荐文章于 2024-07-09 20:05:23 发布

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java调用WebService（客户端）看下了网上大部分都是写java来编写WS服务端，写了下JAVA的调用端。

WebService可以有Get、 Post、Soap、Document四种方式调用，以下是四种方式的参照说明。 name 属性说明 HttpGet 添加HTTP GET协议在追加到HTTP请求URL的查询字符串中传递的方法参数，格式为：?name1=value1&name2=value2...。返回值被当做简单的XML文档放入HTTP响应的正文中（没有<soap:Envelope>）。 HTTPPost 添加HTTP POST协议在HTTP请求的正文中传递的方法参数，格式为：name1=value1&name2=value2...。返回值被当做简单的XML文档放入HTTP响应的正文中（没有< soap:Envelope>）。 HTTPSoap 添加Http Soap协议 Soap消息在HTTP请求的正文中发送；Soap响应在HTTP响应的正文中发送。 Documentation 添加特殊的Documentation协议当在启用了此协议的情况下直接请求.asmx页时，Asp.Net运行Helper页创建HTML文档页，该文档页被传递到提出请求的客户端

对于SOAP协议多写了个CXF的调用（对于CXF必须有以下包：）

以下是调用代码

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import org.apache.cxf.endpoint.Client;
import org.apache.cxf.jaxws.endpoint.dynamic.JaxWsDynamicClientFactory;
/**
* 功能描述：WebService调用
*
*/
public class ClientTest {
/**
* 功能描述：HTTP-GET
*
*/
public String get() {
URL url;
BufferedReader bin = null;
StringBuilder result = new StringBuilder();
try {
String urlTemp = "http://www.webxml.com.cn//WebServices/WeatherWebService.asmx/getSupportCity?byProvinceName="
+ URLEncoder.encode("福建", "UTF-8");// URLEncoder用来参数编码
url = new URL(urlTemp);
InputStream in = url.openStream(); // 请求
bin = new BufferedReader(new InputStreamReader(in, "UTF-8"));
String s = null;
while ((s = bin.readLine()) != null) {
result.append(s);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (null != bin) {
try {
bin.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return result.toString();
}
/**
* 功能描述：HTTP-POST
*
*/
public String post() {
OutputStreamWriter out = null;
StringBuilder sTotalString = new StringBuilder();
try {
URL urlTemp = new URL(
"http://www.webxml.com.cn/WebServices/WeatherWebService.asmx/getSupportCity");
URLConnection connection = urlTemp.openConnection();
connection.setDoOutput(true);
out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
StringBuffer sb = new StringBuffer();
sb.append("byProvinceName=福建");
out.write(sb.toString());
out.flush();
String sCurrentLine;
sCurrentLine = "";
InputStream l_urlStream;
l_urlStream = connection.getInputStream();// 请求
BufferedReader l_reader = new BufferedReader(new InputStreamReader(
l_urlStream));
while ((sCurrentLine = l_reader.readLine()) != null) {
sTotalString.append(sCurrentLine);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (null != out) {
try {
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return sTotalString.toString();
}
/**
* 功能描述：请求 HTTP-SOAP
*
*/
public String getSoapInputStream() {
try {
String soap = "<?xml version=\"1.0\" encoding=\"utf-8\"?><soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\"><soap:Body><getSupportCity xmlns=\"http://WebXml.com.cn/\"><byProvinceName></byProvinceName></getSupportCity></soap:Body></soap:Envelope>";
URL url = new URL(
"http://www.webxml.com.cn/WebServices/WeatherWebService.asmx?wsdl");
URLConnection conn = url.openConnection();
conn.setUseCaches(false);
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setRequestProperty("Content-Length", Integer.toString(soap
.length()));
conn.setRequestProperty("Content-Type", "text/xml; charset=utf-8");
conn.setRequestProperty("SOAPAction",
"http://WebXml.com.cn/getSupportCity");
OutputStream os = conn.getOutputStream();
OutputStreamWriter osw = new OutputStreamWriter(os, "utf-8");
osw.write(soap);
osw.flush();
osw.close();
StringBuilder sTotalString = new StringBuilder();
String sCurrentLine = "";
InputStream is = conn.getInputStream();
BufferedReader l_reader = new BufferedReader(new InputStreamReader(
is));
while ((sCurrentLine = l_reader.readLine()) != null) {
sTotalString.append(sCurrentLine);
}
return sTotalString.toString();
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* 功能描述：使用CXF 请求 HTTP-SOAP
*
*/
public String soap() {
JaxWsDynamicClientFactory clientFactory = JaxWsDynamicClientFactory
.newInstance();
String url = "http://www.webxml.com.cn/webservices/qqOnlineWebService.asmx?wsdl";// http://www.fjyxd.com:17001/DefDispatcher/dispatche?wsdl
Client clientTemp = clientFactory.createClient(url);
Object[] arg;
String result = "";
try {
arg = clientTemp.invoke("qqCheckOnline", "8698053");// 查询8698053在线状态，QQ号码
// String，默认QQ号码：8698053。返回数据：String，Y
// = 在线；N = 离线；E
// = QQ号码错误；A =
// 商业用户验证失败；V =
// 免费用户超过数量
result = (String) arg[0];
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
/**
* 功能描述：调用
*
*/
public static void main(String[] args) {
ClientTest ct = new ClientTest();
System.out.println("HTTP-GET结果：" + ct.get());
System.out.println("HTTP-POST结果：" + ct.post());
System.out.println("HTTP-SOAP结果：" + ct.getSoapInputStream());
System.out.println("CXF HTTP-SOAP结果：" + ct.soap());
}
}

转自：

https://blog.youkuaiyun.com/javaalpha/article/details/8488385