complete_4.java

来自「程序练习中包括书中实例程序代码和练习中要用到的代码,是压缩文件」· Java 代码 · 共 43 行

JAVA
43 行
字号 
package questions.c17;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class Complete_4 extends HttpServlet {
   private static String letters = 
      "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
   public void service( HttpServletRequest req, 
                        HttpServletResponse res )
      throws ServletException, IOException 
   {  PrintWriter out = res.getWriter( );
      res.setContentType( "text/html" );
      out.println( "<HTML>" );
      out.println( "<BODY>" );
      out.println( "<H3>The Cookie Collector</H3>" );
// insert code to get all the cookies in the request
      if ( cookies.length < 1 ) {
         out.println( "<p>No cookies in request." );
      } else {
         out.println( "<p>The request has cookies." );
         out.println( "<pre><b>Cookie Value</b>" );
      }
      for ( int i = 0; i < cookies.length; i++ ) {
// insert code to print each cookie's name and value
      }
      out.println( "</p>" );
      int n = (int) ( Math.random() * 26 );
// insert code to create the new cookie,
//    set its age to be removed when the browser ends,
//    and add it to the response 
      out.println( "<p>Adding cookie:" );
      out.println( "<br>   " + cookie.getName() + 
         "   " + cookie.getValue() );
         out.println( "</pre></p>" );
      out.println( "<p><a href=http://localhost:8080/" +
         "servlet/questions.c17.Complete_4>Repeat</a>" );
      out.println( "</BODY>" );
      out.println( "</HEAD>" );

        
      
   }
}

complete_4.java - 源码说明

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