regserv.java

一个简单的局域网网聊天程序 用Eclipse编写 数据库为SQL Server2

package com.xj.serv;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.xj.bean.DB;

public class regServ extends HttpServlet {
	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request, response);
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html;charset=gb2312");//???????
		response.setCharacterEncoding("gb2312");
		request.setCharacterEncoding("gb2312");
		
		HttpSession session=request.getSession();
		
		String u=request.getParameter("username");
		u=u.toLowerCase();
		u=new String(u.getBytes("iso-8859-1"),"gb2312");
		
		String p=request.getParameter("pass1");
		p=new String(p.getBytes("iso-8859-1"),"gb2312");
		
		String s=request.getParameter("sex");
		s=new String(s.getBytes("iso-8859-1"),"gb2312");
		
		String e=request.getParameter("email");
		e=new String(e.getBytes("iso-8859-1"),"gb2312");
		
		PrintWriter out = response.getWriter();
		DB db = new DB();
		int i=0;
		try {
			db.openConn();
			
			i=db.regedit(u, p, s, e);		
			
		} catch (ClassNotFoundException e1) {
			System.out.println(e1.getMessage());

		} catch (SQLException e1) {
			
			System.out.println(e1.getMessage());
		}finally{
			session.setAttribute("reginfo", i);
			
			response.sendRedirect("index.jsp");
			try {
				db.closeAll();
			} catch (SQLException e1) {
				System.out.println(e1.getMessage());
			}
		}
		
	}

}