怎样在JavaBean中写一个方法来写入cookie值，例如写入name，然后又怎样把这个cookie值读出来？

Question

/*
 * Created on 2005-9-22
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.softbrain.wangzl.net.http;import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;/**
 * @author wangzl
 *
 * @MSN [email protected]
 * 
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class SendCookie {    public static void main(String[] args) {
        try {
            // Create a URLConnection object for a URL
            URL url = new URL("http://community.csdn.net/expert/forum.asp");
            URLConnection conn = url.openConnection();
        
            // Set the cookie value to send
            conn.setRequestProperty("Cookie", "name1=value1; name2=value2");
        
            // Send the request to the server
            conn.connect();
        } catch (MalformedURLException e) {
        } catch (IOException e) {
        }    }
}

Answer 1

/*
 * Created on 2005-9-22
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.softbrain.wangzl.net.http;import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;/**
 * @author wangzl
 *
 * @MSN [email protected]
 * 
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class GetCookie {    public static void main(String[] args) {
        try {
            // Create a URLConnection object for a URL
            URL url = new URL("http://community.csdn.net/expert/forum.asp");
            URLConnection conn = url.openConnection();
        
            // Get all cookies from the server.
            // Note: The first call to getHeaderFieldKey() will implicit send
            // the HTTP request to the server.
            for (int i=0; ; i++) {
                String headerName = conn.getHeaderFieldKey(i);
                String headerValue = conn.getHeaderField(i);
        
                if (headerName == null && headerValue == null) {
                    // No more headers
                    break;
                }
                if ("Set-Cookie".equalsIgnoreCase(headerName)) {
                    // Parse cookie
                    String[] fields = headerValue.split(";\\s*");
        
                    String cookieValue = fields[0];
                    System.out.print(cookieValue + "\n");
                    
                    String expires = null;
                    String path = null;
                    String domain = null;
                    boolean secure = false;
        
                    // Parse each field
                    for (int j=1; j<fields.length; j++) {
                        if ("secure".equalsIgnoreCase(fields[j])) {
                            secure = true;
                        } else if (fields[j].indexOf('=') > 0) {
                            String[] f = fields[j].split("=");
                            if ("expires".equalsIgnoreCase(f[0])) {
                                expires = f[1];
                                System.out.print(expires + "\n");
                            } else if ("domain".equalsIgnoreCase(f[0])) {
                                domain = f[1];
                                System.out.print(domain + "\n");
                            } else if ("path".equalsIgnoreCase(f[0])) {
                                path = f[1];
                                System.out.print(path + "\n");                            
                            }
                        }
                    }
        
                    // Save the cookie...
                }
            }
        } catch (MalformedURLException e) {
        } catch (IOException e) {
        }    }
}