emailsender1.java

完整的网上商城程序

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.ServletException;

import java.io.*;

import java.sql.*;

import javax.sql.*;

import javax.naming.*;

import javax.servlet.*;

import javax.servlet.http.*;

import mypack.*;







public class EmailSender1 extends HttpServlet



{

	

	

	public void doGet( HttpServletRequest req, HttpServletResponse res )

                      throws IOException, ServletException

    {

         // processRequest( req, res );

    }

    

    public void doPost( HttpServletRequest req, HttpServletResponse res )

                      throws IOException, ServletException

    {

    	HttpSession session=req.getSession();

      PrintWriter out = res.getWriter();

    	
     String message=req.getParameter("message");
     
      String user_name=(String)session.getAttribute("user_name");


    	String email=null;

          

        try{

        

             Connection con=null;

            // PreparedStatement prepStmt=null;

             ResultSet rs=null;

             TicketDB db=new TicketDB();

	

	         con=db.getConnection();

	         Statement statement = con.createStatement();

             String selectStatement="select email from member where user_name='"+user_name+"'";

             

             rs=statement.executeQuery(selectStatement);

		    

		

		if(rs.next())

		    {

			   email=rs.getString("email");

			}

	     

	     else

	        {

	          out.println("You don't write your email");	

	     	}

	    

	     

	     	rs.close();

	     	con.close();

	     	statement.close();

           }

           catch(Exception e)



	     {out.println(e.getMessage());}

	    

	     processRequest( req, res, email,user_name, message);

	    // requestDispatcher rd = getServletContext().getRequestDispatcher("/receipt.jsp");

       RequestDispatcher rd = getServletContext().getRequestDispatcher("/jsp/page1.jsp");

        

       rd.forward(req, res);

    }

    

    public void processRequest( HttpServletRequest req, HttpServletResponse res, String email, String user_name, String message)

                      throws IOException, ServletException

    {

          PrintWriter out = res.getWriter();
         // out.println(email);
         // out.println(message);
           try

              {

                //replace the email below with your current email

                SendEmail.sendEmail( email, "CrazyTickets Payment invoice", 

                "Hello"+" "+user_name+'\n'+'\n'+"You have finished payment, your receipt is:"+'\n'+message);

                //out.println( "The invoice email have sent to your via email box!" );

              }

           catch( Throwable th )

              {

                out.println( "COULD NOT SEND MAIL: " + th );

                System.out.println( th );

              }

    }

}