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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String name = request.getParameter("name");
String password = request.getParameter("password");
if(null == name || null == password || name.trim().equals("") || password.equals(""))
{
request.setAttribute("message", "请输入用户名和密码");
request.getRequestDispatcher("/index.jsp").forward(request, response);
}
if(name.equals(password))
{
request.setAttribute("name", name);
request.getRequestDispatcher("/welcome.jsp").forward(request, response);
}else
{
request.setAttribute("message", "请输入正确的用户名和密码");
request.getRequestDispatcher("/index.jsp").forward(request, response);
}
}
if(null == name && name.trim().equals("") )
{
request.setAttribute("message", "请输入用户名和密码");
request.getRequestDispatcher("/index.jsp").forward(request, response);
}
if(null == password && password.equals("")){
}