<form?action="dologin.jsp"?method="post">
???? <div?class="login"?>
???? <div?style="margin-top:25px;">
???? <input?name="login_name"?id="login_name"?type="text"??placeholder='賬號(hào)'/>
???? </div>
???? <div?style="margin-top:25px;">
???? <input?name="login_password"?id="login_password"??placeholder='密碼'/>
???? </div>
???? <div?style="margin-top:25px;">
???? <!--??<input?type="button"??value="登錄!"?onclick="this.form.submit()">?-->
???? <input?type="submit"?value="登錄"?class="login"?/>
???? </div>????
???? </div>
</form>
String?username?="";
??String?password?="";
??request.setCharacterEncoding("utf-8");//防止中文亂碼
??
??username?=?request.getParameter("login_name");
??password?=?request.getParameter("login_password");
??
??//如果用戶和密碼都等于admin,則登錄成功
??if("admin".equals(username)&&"123".equals(password))
??{
?????session.setAttribute("loginUser",?username);
?????request.getRequestDispatcher("test.jsp").forward(request,?response);
?????
??}
??else
??{
?????response.sendRedirect("error.jsp");
??}
2017-04-15
沒毛病,jsp地址放錯(cuò)了。抱歉w