I've created a jsp login page form and I've put my logic inside the doPost(). But seems it is not working. Even the System.out.println statement result in doPost() method is not shown in the console. JSP page::(LogIn.jsp)
<body>
<form method="post" action="LogIn">
<table>
<tr>
<td colspan=2 align="center"
style="font-weight: bold; font-size: 20pt;" align="center"><b>User
Login Form</b></td>
</tr>
<tr>
<td colspan=2></td>
</tr>
<tr>
<td>User Name:</td>
<td><input type="text" id="txtUserName" /></td>
</tr>
<tr>
<td>Password:</td>
<td><input type="password" id="txtpassword" /></td>
</tr>
<tr>
<td></td>
<td><input type="button" id="btnSubmit" value="Submit" /></td>
</tr>
</table>
</form>
</body>
Servlet class (LogIn.java)
@WebServlet("/LogIn")
public class LogIn extends HttpServlet {
private static final long serialVersionUID = 1L;
public LogIn() {
super();
// TODO Auto-generated constructor stub
}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// TODO Auto-generated method stub
response.getWriter().append("Served at: ").append(request.getContextPath());
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
String UserName = request.getParameter("txtUserName");
String Password = request.getParameter("txtpassword");
System.out.println(UserName);
System.out.println(Password);
if (UserName == "Servlet" && Password == "admin") {
response.sendRedirect("Home.jsp");
Enumeration paramNames = request.getParameterNames();
while (paramNames.hasMoreElements()) {
String paramName = (String) paramNames.nextElement();
String[] paramValues = request.getParameterValues(paramName);
// Read single valued data
if (paramValues.length == 1) {
String paramValue = paramValues[0];
if (paramValue.length() == 0)
{
System.out.println("no values");
}
else
System.out.println(paramValue);
} else {
// Read multiple valued data
System.out.println(".....");
for (int i = 0; i < paramValues.length; i++) {
System.out.println( paramValues[i]);
}
}
}
}
}
Web.xml file
<servlet>
<servlet-name>LogIn</servlet-name>
<servlet-class>LogIn</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>LogIn</servlet-name>
<url-pattern>/LogIn</url-pattern>
</servlet-mapping>
