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reg.java in jspguestbookvoiceoft

			
package guestbook;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.Date;
import java.sql.*;
import javax.sql.DataSource;

public class reg extends HttpServlet {
  private static final String CONTENT_TYPE = "text/html; charset=GB2312";
  private DataSource dataSource=null;
  //Initialize global variables
  public void init() throws ServletException {
    Init init=new Init(getServletContext().getRealPath("/"));
    dataSource=LinkDB.getDB();
    if (dataSource==null) {
      LinkDB.setDB(init.getDriverName(),init.getDBURL(),init.getDBUser(),init.getDBPassword());
      dataSource=LinkDB.getDB();
    }
  }
  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.sendRedirect("reg.jsp");
  }
  //Process the HTTP Post request
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    request.setCharacterEncoding("GB2312");
    String username=request.getParameter("username");
    String usernick=request.getParameter("usernick");
    String usertruename=request.getParameter("usertruename");
    String userpassword=request.getParameter("userpassword");
    String userpasswd1=request.getParameter("userpasswd1");
    String useremail=request.getParameter("useremail");
    String userphone=request.getParameter("userphone");
    String useraddress=request.getParameter("useraddress");
    String usersex=request.getParameter("usersex");
    String userlike=request.getParameter("userlike");
    String userqq=request.getParameter("userqq");
    response.setContentType(CONTENT_TYPE);
    PrintWriter out=response.getWriter();
    if(username.equals("")||usernick.equals("")||usertruename.equals("")||userpassword.equals("")||userpasswd1.equals("")||useremail.equals("")){
      out.println("<script>alert('请把必须填写的资料填写完整');document.location='javascript:history.			

			...
			...
			... to be continued.

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