cxf+spring+数字签名开发webservice（二）

 1 package http.rpc.util;
 2 
 3 import java.io.BufferedOutputStream;
 4 import java.io.ByteArrayOutputStream;
 5 import java.io.IOException;
 6 import java.io.InputStream;
 7 import java.io.OutputStream;
 8 import java.io.OutputStreamWriter;
 9 import java.net.HttpURLConnection;
10 import java.net.MalformedURLException;
11 import java.net.URL;
12 import java.net.URLEncoder;
13 import java.util.Map;
14 
15 public class ClientUtils {
16   /*
17    * @param url    服务端url地址
18    * @param beanid 访问远程方法所在的类名
19    * @param method 调用服务端的方法名
20    * @param param  服务端的方法的参数
21    */
22     public static Object remoteService(String url, String beanid, String method, String param) {
23         HttpURLConnection urlcon = null;
24         String result = null;
25         try {
26             if (param == null) {
27                 param = "";
28             }
29             URL u = new URL(url + "/webservice.rpc");
30 
31             byte[] databuffer = new byte[1024];
32             ByteArrayOutputStream outStream = new ByteArrayOutputStream();
33             int len = 0;
34             try {
35                 urlcon = (HttpURLConnection) u.openConnection();
36                 urlcon.setDoOutput(true);
37                 urlcon.setRequestMethod("POST");
38                 OutputStream buf = new BufferedOutputStream(urlcon.getOutputStream());
39                 OutputStreamWriter out = new OutputStreamWriter(buf, "UTF-8");
40                 /* 向webservice.rpc传递3个参数 */
41                 out.write("serverid=" + beanid + "&method=" + method + param);
42                 out.flush();
43                 out.close();
44 
45                 urlcon.connect();
46                 if (urlcon.getResponseCode() == 200) {
47                     InputStream in = urlcon.getInputStream();
48                     while ((len = in.read(databuffer)) != -1) {
49                         outStream.write(databuffer, 0, len);
50                     }
51                     in.close();
52                     result = new String(outStream.toByteArray(), "utf-8");
53                     System.out.println(result);
54                     urlcon.disconnect();
55                 }
56             } catch (IOException e) {
57                 e.printStackTrace();
58             }
59         } catch (MalformedURLException e) {
60             e.printStackTrace();
61         }
62         urlcon.disconnect();
63         return result;
64     }
65 }

1 <servlet-mapping>
2    <servlet-name>testserver</servlet-name>
3    <url-pattern>/webservice.rpc</url-pattern>
4 </servlet-mapping>
5   
6 <servlet>
7    <servlet-name>testserver</servlet-name>
8 <servlet-class>http.rpc.Server</servlet-class>

 1 package http.rpc;
 2 
 3 import java.io.IOException;
 4 import javax.servlet.ServletException;
 5 import javax.servlet.ServletOutputStream;
 6 import javax.servlet.http.HttpServlet;
 7 import javax.servlet.http.HttpServletRequest;
 8 import javax.servlet.http.HttpServletResponse;
 9 
10 public class Server extends HttpServlet{
11 
12     @Override
13     protected void doPost(HttpServletRequest req, HttpServletResponse resp)
14             throws ServletException, IOException {
15         System.out.println("doPost");
16         String serverid = req.getParameter("serverid").toString();
17         String method = req.getParameter("method").toString();
18         String methodParam = req.getParameter("param").toString();
19         ServletOutputStream sos = resp.getOutputStream();
20         String result = "远程调用返回";
21         sos.write(result.getBytes("utf-8"));
22     }
23 }