JSP Authentication Implementation | Javamazon
JSP Authentication Implementation | Javamazon:
'via Blog this'
'via Blog this'
In this example we will show you how to authenticate the user against user name and password. This program consists of a HTML Page, authenticate JSP page, LoginError JSP Page to authenticate the user against password.
HTML Form (main.html)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | <html> <body> <form name="f1" action="authenticate.jsp"> <font size=4 face="Verdana" color=#120292> <marquee> Online Banking System </marquee> <br><br> <table cellspacing=15 cellpadding=15 bgcolor=#959999 colspan=2 rowspan=2 align="center"> <tr> <td> Bank Customer Authentication Form</td> </tr> <tr> <td>Enter Customer Id :</td> <td><input type=text name="uname"></td> </tr> <tr> <td>Enter Password: </td> <td><input type=password name="password"></td> </tr> </table> <br> <table align="center"> <tr> <td><input type="submit" value=" Login " ></td> <td><input type="Reset" value=" Cancel " ></td> </tr> </table> </font> </form> </body></html> |
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LoginError JSP Page
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | <%@ page isErrorPage="true" %><html> <body> <h3>An exception has occurred</h3> <table> <tr> <td>Exception Class:</td> <td><%= exception.getClass() %></td> </tr> <tr> <td>Message:</td> <td><%= exception.getMessage() %></td> </tr> </table> <br> To go to login page again, click Login Page button <form name="f2" action="main.html"> <input type="submit" name="button1" value="Login Page"> </form> </body></html> |
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Authenticate JSP page
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | <%@ page errorPage="LoginErrorPage.jsp" %><html> <body> <font face ="verdana"> <% String user=request.getParameter("uname"); int customerID=Integer.parseInt(user); String pass=request.getParameter("password"); if( customerID== India143 && pass.equals("Bangalore")) { out.println("Welcome to Online Banking System"); %> <br><br> <% out.println("Login Successful"); } else { out.println("Login Unsuccessful"); } %> </font> </body></html> |
Refer the other article Implement Redirect JSP
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