Applet与Servlet通讯 (片段源码) _applet片段代码-优快云博客

本文链接：https://blog.youkuaiyun.com/java169/article/details/2471404



showStatus(textField1.getText());

URL servlet = new URL(this.getDocumentBase(),"servlet/GetParameterServlet");

URLConnection connection = servlet.openConnection();

connection.setUseCaches(false);

connection.setDoOutput(true);

ByteArrayOutputStream byteStream = new ByteArrayOutputStream(1024);

PrintWriter out = new PrintWriter(byteStream, true);

String postData = "Name="   URLEncoder.encode(textField1.getText());

out.print(postData);

out.flush();

String lengthString = String.valueOf(byteStream.size());

connection.setRequestProperty("Content-Length", lengthString);

connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

byteStream.writeTo(connection.getOutputStream());

BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));

textArea1.setText("");

String s;

for(; (s = br.readLine()) != null && s.length() > 0; textArea1.appendText(s   "/n"));

   ...

Servlet source



// GetParameterServlet

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

import java.util.*;





public class GetParameterServlet extends HttpServlet {

  public void doGet(HttpServletRequest request,

                    HttpServletResponse response)

      throws ServletException, IOException {

    response.setContentType("text/html");

    

    PrintWriter out = response.getWriter();

    String title = "Reading Request Parameters";

    String name = request.getParameter("Name");

    out.println(title);

    out.println("Hello: "   name );    

    

  }



  public void doPost(HttpServletRequest request,

                     HttpServletResponse response)

      throws ServletException, IOException {

    doGet(request, response);

  }

}

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