📄 userinterfaceservlet.java~69~
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package p261;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import javax.*;
import javax.mail.*;
import javax.activation.*;
public class UserInterfaceServlet
extends HttpServlet {
private static final String CONTENT_TYPE = "text/html; charset=gb2312";
//Initialize global variables
public void init() throws ServletException {
}
//Process the HTTP Get request
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
response.setContentType(CONTENT_TYPE);
request.setCharacterEncoding("gb2312");
PrintWriter out = response.getWriter();
out.println("<html><head><title>UserInterfaceServlet</title></head><body>");
out.println("<form id=\"form1\" name=\"form1\" method=\"post\" action=\"/MailModule/userinterfaceservlet\"><table width=\"572\" height=\"135\">");
out.println("<tr><td colspan=\"2\"><h1>请输入所需的详细信息以接收邮件</h1></td></tr>");
out.println("<tr><td width=\"172\" align=\"right\">用户ID:</td><td width=\"388\"><input name=\"txtUID\" type=\"text\" id=\"txtUID\" /></td></tr>");
out.println("<tr><td align=\"right\">密码:</td><td><input name=\"txtUpass\" type=\"password\" id=\"txtUpass\" /></td></tr>");
out.println("<tr><td align=\"right\">主机:</td><td><input name=\"txtUhost\" type=\"text\" id=\"txtUhost\" /></td></tr>");
out.println("<tr><td> </td><td><input type=\"submit\" name=\"Submit\" value=\"提交\" /></td></tr></table></form></body></html>");
out.close();
}
//Process the HTTP Post request
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
//业务逻辑处理
response.setContentType(CONTENT_TYPE);
request.setCharacterEncoding("gb2312");
PrintWriter out = response.getWriter();
out.println("<html><head><title>收邮件</title></head><body>");
HttpSession ses=request.getSession();//用会话对象传递用户信息
String uHost=request.getParameter("txtUhost");
String uName=request.getParameter("txtUID");
String uPass=request.getParameter("txtUpass");
ses.setAttribute("uHost",uHost);
ses.setAttribute("uPass",uPass);
ses.setAttribute("uName",uName);
try{
Properties props=new Properties(); //创建系统属性对象
//props.put("mail.pop3.auth","true"); //声明验证
//props.put("mail.transport.protocol","pop3"); //设置传输协议,收件为pop3 发件为smtp
//props.put("mail.pop3.host",uHost); //设置邮件服务器主机名
//props.put("mail.pop3.port","25"); //设置邮件的端口
Session session=Session.getDefaultInstance(props);//邮件会话对象
Store store=session.getStore("pop3");// 获取邮件存储器对象 (通过会话来获取)
store.connect(uHost,uName,uPass);//连接存储器
Folder folder=store.getFolder("INBOX");//获取存储器中的(INBOX)文件夹
folder.open(Folder.READ_WRITE);//以读写形式打开(INBOX)文件夹
Message[] messages=folder.getMessages(); //获取(INBOX)文件夹中的所有消息对象
out.println("<table><tr><td>发件人:</td><td>主题:</td><td>日期:</td></tr>");
for(int i=0;i<messages.length;i++){
out.println("<tr>"+ //获取消息对象的索引值,并将其做为参数传向读取消息内容的Servlet
"<td><a href=\"//MailModule/mailservlet?mesgid="+(messages[i].getMessageNumber()-1)+"\">"+
messages[i].getFrom()[0]+"</a></td>"+//取消息的发送人
"<td>"+messages[i].getSubject()+"</td>"+//取消息的主题
"<td>"+messages[i].getSentDate().toString()+"</td></tr>");//发送日期
}
}catch(Exception e){
out.println("有异常,发生在UserInterface中:"+e.getMessage());
out.println("没有连接上邮件服务器");
}
out.println("</body></html>");
}
//Clean up resources
public void destroy() {
}
}
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