Class.forName("com.mysql.jdbc.Driver");
Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3306/mysql","root","12345");
Statement st =con.createStatement();
String mi = "select * from empinfo where EEmailID = '"+email+"'";
ResultSet rs = st.executeQuery(mi);
if(rs.next()) {
if(email.equals(rs.getString("EEMailID"))){
// Generate a random OTP
Random random = new Random();
int otp = 100000 + random.nextInt(900000);
// Send OTP through email Calling Function
sendEmail(otp, email);
// Store OTP in the session for Verification
HttpSession session = request.getSession();
session.setAttribute("OTP", Integer.toString(otp));
session.setAttribute("eemail",email);
// Redirect the user to the OTP verification page
response.sendRedirect("otp.jsp");
}}
else{
out.println("Enter Registered Email Id only");
RequestDispatcher dis= getServletContext().getRequestDispatcher("/forgotpassword.jsp");
dis.include(request, response);
}
它在输出中显示：-
仅输入注册的电子邮件 ID
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link href="bootstrap-4.0.0-dist/css/bootstrap.css" rel="stylesheet" type="text/css"/>
<link href="bootstrap-4.0.0-dist/css/bootstrap.min.css" rel="stylesheet" type="text/css"/>
<title>JSP Page</title>
</head>
<body>
<center>
<form action="OTPLoginServlet" method="post">
<label for="email">Email:</label>
<input type="email" id="email" name="email"><br><br>
<input type="submit" value="Submit">
</form>
</center>
</body>
</html>
上面是 forgotpassword.jsp 中的代码，它没有执行，只是显示而已。 那么，我能做些什么来解决这个错误呢？
使用以下方法。
不是从 getServletContext() 中检索“RequestDispatcher”的对象，而是从 HttpServletRequest 中检索相同的对象，例如 -
RequestDispatcher rd = request.getRequestDispatcher("/forgotpassword.jsp");
rd.include(request, response);