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Three Tier Architecture //datainsert.java import java.io.*; import java.lang.*; import java.sql.*; import javax.servlet.*; import javax.servlet.http.*; public class datainsert extends HttpServlet{ public void doPost(HttpServletRequest req,HttpServletResponse res) throws ServletException, IOException { res.setContentType("text/html"); PrintWriter pw = res.getWriter(); Connection connection; try{ String first1=req.getParameter("fname"); String last1=req.getParameter("lname"); String pass1=req.getParameter("pass"); String cpass1=req.getParameter("cpass"); String phno1=req.getParameter("phno"); String emailid1=req.getParameter("email"); String gender1=req.getParameter("gender"); String area1=req.getParameter("area"); String sel1=req.getParameter("sel"); Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); connection = DriverManager.getConnection("jdbc:odbc:regdsn1"," "," "); PreparedStatement pst = connection.prepareStatement("insert into regtable1 values(?,?,?,?,?,?,?,?,?)"); pst.setString(1,first1); pst.setString(2,last1);
pst.setString(3,pass1); pst.setString(4,cpass1); pst.setString(5,phno1); pst.setString(6,emailid1); pst.setString(7,gender1); pst.setString(8,area1); pst.setString(9,sel1); int i = pst.executeUpdate(); if(i!=0){ pw.println("<br>Record has been inserted"); } else{ pw.println("failed to insert the data"); } } catch (Exception e){ pw.println(e); } } } //dataretrive.java import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.sql.*; public class dataretrive extends HttpServlet { public void doGet(HttpServletRequest req,HttpServletResponse res) throws ServletException, IOException { /* database connection*/ try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection con=DriverManager.getConnection("jdbc:odbc:regdsn1","","");
PrintWriter out=res.getWriter(); //out.println("<p> connection established</p>"); String first1=req.getParameter("fname"); Statement stmt=con.createStatement(); ResultSet rs=stmt.executeQuery("select * from regtable1 where firstname='"+first1+"'"); if (!rs.next()) { out.println("<html><head><title> Hello</title></head><body> <h1>Incorrect Username and password </h1></body><html>"); } else { out.println("<html><head><title> Hello</title></head>"); out.println("<body><p> <h1>welcome to"+" "+ req.getParameter("fname")+"</h1></p>"); out.println("<table border=2><tr><th>REGISTERDFIELDS</th><th>VALUE</th></tr>"); out.println("<tr><td>FIRST NAME</td><td>"); out.println(rs.getString(1)); out.println("</td></tr><td>LAST NAME</td><td>"); out.println(rs.getString(2)); out.println("</td></tr><td>PASSWORD</td><td>"); out.println(rs.getString(3)); out.println("</td></tr><td>CPASSWORD</td><td>"); out.println(rs.getString(4)); out.println("</td></tr><td>PHONENUMBER</td><td>"); out.println(rs.getString(5)); out.println("</td></tr><td>EMAIL-ID</td><td>"); out.println(rs.getString(6)); out.println("</td></tr><td>GENDER</td><td>"); out.println(rs.getString(7)); out.println("</td></tr><td>ADDRESS</td><td>"); out.println(rs.getString(8)); out.println("</td></tr><td>STATE</td><td>"); out.println(rs.getString(9)); out.println("</td></tr></table>");
} rs.close(); con.close(); out.close(); } catch(Exception e) { e.printStackTrace(); } } } dataretrive.html <html> <head> <title>Login Page</title> </head> <body> <form method="GET" action="/dataretrive"> <p>Enter Name: <input type="text" name="fname" size="20"></p> <input type="submit" value="Submit" name="B1"></p> </form> </body> </html> userregistration.html <DOCTYPE html> <head> <title>REGISTRATION PAGE</TITLE> <script type="text/javascript"> function validation() { var a = document.form.fname.value; var b = document.form.lname.value; var password=document.form.pass.value;
var cpassword=document.form.cpass.value; var c = document.form.phno.value; var address=document.form.email.value; var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/; var gender = document.form.gender.value; if(a=="" || a==null) { alert("Please Enter Your first Name"); document.form.fname.focus(); return false; } if(b=="" || b==null) { alert("Please Enter Your last Name"); document.form.lname.focus(); return false; } if(password=="" || password==null) { alert("Please Enter Your password"); document.form.pass.focus(); return false; } if (password.length < 6) { alert("enter minimum 6 characters"); document.form.pass.focus(); return false; } if(password!=cpassword) { alert("Please Enter Your correct password"); document.form.cpass.focus(); return false; } if (c==null || c=="") {
alert("Phone no. cannot be left blank"); document.form.phno.focus(); return false; } if(isNaN(c)|| c.indexOf(" ")!=-1) { alert("Enter numeric value"); document.form.phno.focus(); return false; } if (c.length < 10) { alert("enter 10 characters"); document.form.phno.focus(); return false; } if(reg.test(address) == false) { alert('Invalid Email Address'); return false; } if ( ( form.gender[0].checked == false ) && ( form.gender[1].checked == false ) ) { alert ( "Please choose your Gender: Male or Female" ); return false; } if (ErrorText= "") { form.submit() } } </script> </head> <body bgcolor="#E6E6FA"> <table> <form name="form" method="POST" action="/datainsert" onsubmit="return validation()">
<tr><td><STRONG><b><font color="green">REGISTRATION:</font><b></STRONG></td></tr> <tr><td><font color="blue">First Name</font><font color="red">*:</font></td> <td><input type="text" name="fname" size=20></td></tr> <tr><td><font color="blue">Last Name</font><font color="red">*:</font></td><td><input type="text" name="lname" size=20></td></tr> <tr><td><font color="blue">Password</font><font color="red">*:</font></td><td> <input type="password" name="pass" size=15></td></tr> <tr><td><font color="blue">Confirm Password</font><font color="red">*:</font></td><td> <input type="password" name="cpass" size=15></td></tr> <tr><td><font color="blue">PhoneNo</font><font color="red">*:</font></td><td> <input type="text" name="phno" size=10></td></tr> <tr><td><font color="blue">Email-id</font><font color="red">*:</font></td><td> <input type="text" name="email" size=10></td></tr> <tr><td><font color="blue">Select Gender</font><font color="red">*:<td></font><input type="radio" name="gender" value="male"><font color="blue">MALE:</font> <input type="radio" name="gender" value="female"><font color="blue">FEMALE:</font></td></tr> <tr><td><font color="blue">Address:</font></td><td><textarea name="area" size=20></textarea></td></tr> <tr><td><font color="blue">Select State:</font></td><td><select name="sel"> <option name="tn">TAMILNADU</option> <option name="ap">ANDHARA PRADESH</option> <option name="kl">KERALA</option> </select> </td></tr> <tr><td><input type="submit" name="sub" value="Submit"></td></tr> </tr> </form></table> </body> </html>
To Create ms-access database
Click on new link- click blank database--window will open
Enter database name regdb1 save in mydocuments-click on create
Clck on create table in design view
Create number of field names based on number of registrationpage fields And close sub window it will ask save -save table name regtable1 Again it will ask primary key yer or no -click no
Now table created if u click on regtable1 it will show fields
Close all windows now go start -settings-control panel-click on administrative tools(if suppose not there check performance and maintance)
Click on datasource
Click on add tab
Select Microsoft Access Driver(*.mdb) click finish
Enter Data Source Name regdsn1 and click select
Select database from my documents select regdb1 and click ok-ok-ok It will close all windows now driver connection over Step1: Create datainsert .java file and dataretrive.java and save in C:\Program Files\apache-tomcat6.0.36\webapps\ROOT\WEB-INF\src\datainsert.java C:\Program Files\apache-tomcat6.0.36\webapps\ROOT\WEB-INF\src\dataretrive.java Step2: Create userregistration.html file save in C:\Program Files\apache-tomcat6.0.36\webapps\ROOT\userregistration.html C:\Program Files\apache-tomcat6.0.36\webapps\ROOT\dataretrive.html Step3: Compile datainsert.java and dataretrive.java Open command prompt C:\Document and Settings\administrator>cd\ Copy and paste full path upto src C:\cd C:\Program Files\apache-tomcat6.0.36\webapps\ROOT\WEB-INF\src C:\Program Files\apache-tomcat6.0.36\webapps\ROOT\WEB-INF\src>javac datainsert.java
C:\Program Files\apache-tomcat6.0.36\webapps\ROOT\WEB-INF\src>javac dataretrive.java
Step4: create datainsert.classes and dataretrive.classes file in src (cut and past in classes folder save file in this location C:\Program Files\apache-tomcat6.0.36\webapps\ROOT\WEB-INF\classes Step5: Create web.xml file with web.xml coding give two files name <web-apps> <web-app> <servlet> <servlet-name>datainsert</servlet-name> <servlet-class>datainsert</servlet-class> </servlet> <servlet-mapping> <servlet-name>datainsert</servlet-name> <url-pattern>/datainsert</url-pattern> </servlet-mapping> <servlet> <servlet-name>dataretrive</servlet-name> <servlet-class>dataretrive</servlet-class> </servlet> <servlet-mapping> <servlet-name>dataretrive</servlet-name> <url-pattern>/dataretrive</url-pattern> </servlet-mapping>
</web-app> Step6: Start apache-tomacat server double click on bin
C:\Program Files\apache-tomcat6.0.36\bin Step7:after server startup open browser type url
