前台servlet RegisterSer

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package cn.client.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.client.dao.NeUserDao;
import cn.client.dao.impl.NeUserDaoImpl;
public class RegisterSer extends HttpServlet {
public RegisterSer() {
super();
}
public void destroy() {
super.destroy();
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//接收时设置的编码
request.setCharacterEncoding("utf-8");
//转发时设置的编码
response.setCharacterEncoding("utf-8");
//以 超文本格式 方式转发
response.setContentType("text/html");
//获取了一个输出流
PrintWriter out = response.getWriter();
String uname = request.getParameter("uname");
String upass = request.getParameter("upass");
if(uname==null || uname.equals("")){//没有数据则进入本页面
request.getRequestDispatcher("register.jsp").forward(request, response);
}else{
NeUserDao neUserDao = new NeUserDaoImpl();
int count =0;
count = neUserDao.register(uname, upass);
//成功进入首页
if(count > 0){
request.getSession().setAttribute("username", uname);
response.sendRedirect("index");
}else{
request.getRequestDispatcher("register.jsp").forward(request, response);
}
}
//关闭输出流
out.flush();
out.close();
}
public void init() throws ServletException {
}
}