API tools faq
paste
Advertisement
yashgupta2196

IWP

yashgupta2196
Nov 5th, 2017
34
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 28.76 KB | None | 0 0
raw download clone embed print report
  1. Login form in servlet
  2. 1. Servlet Login
  3.  
  4. Database
  5. create table userreg(name varchar2(40),pass varchar2(40));
  6.  
  7. index.html
  8. <form action="servlet1" method="post">
  9. Name:<input type="text" name="username"/><br/><br/>
  10. Password:<input type="password" name="userpass"/><br/><br/>
  11. <input type="submit" value="login"/>
  12. </form>
  13.  
  14. FirstServlet.java
  15. import java.io.IOException;
  16. import java.io.PrintWriter;
  17.  
  18. import javax.servlet.RequestDispatcher;
  19. import javax.servlet.ServletException;
  20. import javax.servlet.http.HttpServlet;
  21. import javax.servlet.http.HttpServletRequest;
  22. import javax.servlet.http.HttpServletResponse;
  23.  
  24.  
  25. public class FirstServlet extends HttpServlet {
  26. public void doPost(HttpServletRequest request, HttpServletResponse response)
  27. throws ServletException, IOException {
  28.  
  29. response.setContentType("text/html");
  30. PrintWriter out = response.getWriter();
  31.  
  32. String n=request.getParameter("username");
  33. String p=request.getParameter("userpass");
  34.  
  35. if(LoginDao.validate(n, p)){
  36. RequestDispatcher rd=request.getRequestDispatcher("servlet2");
  37. rd.forward(request,response);
  38. }
  39. else{
  40. out.print("Sorry username or password error");
  41. RequestDispatcher rd=request.getRequestDispatcher("index.html");
  42. rd.include(request,response);
  43. }
  44.  
  45. out.close();
  46. }
  47. }
  48.  
  49. LoginDao.java
  50. import java.sql.*;
  51. public class LoginDao {
  52. public static boolean validate(String name,String pass){
  53. boolean status=false;
  54. try{
  55. Class.forName("oracle.jdbc.driver.OracleDriver");
  56. Connection con=DriverManager.getConnection(
  57. "jdbc:oracle:thin:@localhost:1521:xe","system","oracle");
  58. PreparedStatement ps=con.prepareStatement(
  59. "select * from userreg where name=? and pass=?");
  60. ps.setString(1,name);
  61. ps.setString(2,pass);
  62. ResultSet rs=ps.executeQuery();
  63. status=rs.next();
  64. }catch(Exception e){System.out.println(e);}
  65. return status;
  66. }
  67. }
  68.  
  69. WelcomeServlet.java
  70. import java.io.IOException;
  71. import java.io.PrintWriter;
  72. import javax.servlet.ServletException;
  73. import javax.servlet.http.HttpServlet;
  74. import javax.servlet.http.HttpServletRequest;
  75. import javax.servlet.http.HttpServletResponse;
  76. public class WelcomeServlet extends HttpServlet {
  77. public void doPost(HttpServletRequest request, HttpServletResponse response)
  78. throws ServletException, IOException {
  79. response.setContentType("text/html");
  80. PrintWriter out = response.getWriter();
  81. String n=request.getParameter("username");
  82. out.print("Welcome "+n);
  83. out.close();
  84. }
  85. }
  86.  
  87. 2. Servlet Login and Logout Example using Cookies
  88.  
  89.  
  90. Index.html
  91. <!DOCTYPE html>
  92. <html>
  93. <head>
  94. <meta charset="ISO-8859-1">
  95. <title>Servlet Login Example</title>
  96. </head>
  97. <body>
  98.  
  99. <h1>Welcome to Login App by Cookie</h1>
  100. <a href="login.html">Login</a>|
  101. <a href="LogoutServlet">Logout</a>|
  102. <a href="ProfileServlet">Profile</a>
  103.  
  104. </body>
  105. </html>
  106.  
  107. link.html
  108. <a href="login.html">Login</a> |
  109. <a href="LogoutServlet">Logout</a> |
  110. <a href="ProfileServlet">Profile</a>
  111. <hr>
  112.  
  113. login.html
  114. <form action="LoginServlet" method="post">
  115. Name:<input type="text" name="name"><br>
  116. Password:<input type="password" name="password"><br>
  117. <input type="submit" value="login">
  118. </form>
  119.  
  120. LoginServlet.java
  121. import java.io.IOException;
  122. import java.io.PrintWriter;
  123. import javax.servlet.ServletException;
  124. import javax.servlet.http.Cookie;
  125. import javax.servlet.http.HttpServlet;
  126. import javax.servlet.http.HttpServletRequest;
  127. import javax.servlet.http.HttpServletResponse;
  128. public class LoginServlet extends HttpServlet {
  129. protected void doPost(HttpServletRequest request, HttpServletResponse response)
  130. throws ServletException, IOException {
  131. response.setContentType("text/html");
  132. PrintWriter out=response.getWriter();
  133.  
  134. request.getRequestDispatcher("link.html").include(request, response);
  135.  
  136. String name=request.getParameter("name");
  137. String password=request.getParameter("password");
  138.  
  139. if(password.equals("admin123")){
  140. out.print("You are successfully logged in!");
  141. out.print("<br>Welcome, "+name);
  142.  
  143. Cookie ck=new Cookie("name",name);
  144. response.addCookie(ck);
  145. }else{
  146. out.print("sorry, username or password error!");
  147. request.getRequestDispatcher("login.html").include(request, response);
  148. }
  149. out.close();
  150. }
  151. }
  152.  
  153. LogoutServlet.java
  154. import java.io.IOException;
  155. import java.io.PrintWriter;
  156. import javax.servlet.ServletException;
  157. import javax.servlet.http.Cookie;
  158. import javax.servlet.http.HttpServlet;
  159. import javax.servlet.http.HttpServletRequest;
  160. import javax.servlet.http.HttpServletResponse;
  161. public class LogoutServlet extends HttpServlet {
  162. protected void doGet(HttpServletRequest request, HttpServletResponse response)
  163. throws ServletException, IOException {
  164. response.setContentType("text/html");
  165. PrintWriter out=response.getWriter();
  166.  
  167.  
  168. request.getRequestDispatcher("link.html").include(request, response);
  169.  
  170. Cookie ck=new Cookie("name","");
  171. ck.setMaxAge(0);
  172. response.addCookie(ck);
  173.  
  174. out.print("you are successfully logged out!");
  175. }
  176. }
  177. ProfileServlet.java
  178. import java.io.IOException;
  179. import java.io.PrintWriter;
  180. import javax.servlet.ServletException;
  181. import javax.servlet.http.Cookie;
  182. import javax.servlet.http.HttpServlet;
  183. import javax.servlet.http.HttpServletRequest;
  184. import javax.servlet.http.HttpServletResponse;
  185. public class ProfileServlet extends HttpServlet {
  186. protected void doGet(HttpServletRequest request, HttpServletResponse response)
  187. throws ServletException, IOException {
  188. response.setContentType("text/html");
  189. PrintWriter out=response.getWriter();
  190.  
  191. request.getRequestDispatcher("link.html").include(request, response);
  192.  
  193. Cookie ck[]=request.getCookies();
  194. if(ck!=null){
  195. String name=ck[0].getValue();
  196. if(!name.equals("")||name!=null){
  197. out.print("<b>Welcome to Profile</b>");
  198. out.print("<br>Welcome, "+name);
  199. }
  200. }else{
  201. out.print("Please login first");
  202. request.getRequestDispatcher("login.html").include(request, response);
  203. }
  204. out.close();
  205. }
  206. }
  207.  
  208.  
  209. web.xml
  210.  
  211. <?xml version="1.0" encoding="UTF-8"?>
  212. <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  213. xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
  214. http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  215.  
  216. <servlet>
  217. <description></description>
  218. <display-name>LoginServlet</display-name>
  219. <servlet-name>LoginServlet</servlet-name>
  220. <servlet-class>com.javatpoint.LoginServlet</servlet-class>
  221. </servlet>
  222. <servlet-mapping>
  223. <servlet-name>LoginServlet</servlet-name>
  224. <url-pattern>/LoginServlet</url-pattern>
  225. </servlet-mapping>
  226. <servlet>
  227. <description></description>
  228. <display-name>ProfileServlet</display-name>
  229. <servlet-name>ProfileServlet</servlet-name>
  230. <servlet-class>com.javatpoint.ProfileServlet</servlet-class>
  231. </servlet>
  232. <servlet-mapping>
  233. <servlet-name>ProfileServlet</servlet-name>
  234. <url-pattern>/ProfileServlet</url-pattern>
  235. </servlet-mapping>
  236. <servlet>
  237. <description></description>
  238. <display-name>LogoutServlet</display-name>
  239. <servlet-name>LogoutServlet</servlet-name>
  240. <servlet-class>com.javatpoint.LogoutServlet</servlet-class>
  241. </servlet>
  242. <servlet-mapping>
  243. <servlet-name>LogoutServlet</servlet-name>
  244. <url-pattern>/LogoutServlet</url-pattern>
  245. </servlet-mapping>
  246. </web-app>
  247.  
  248.  
  249.  
  250.  
  251. 3. Student information forms using servlet
  252.  
  253. Database
  254. CREATE TABLE "REGISTERUSER"
  255. ( "NAME" VARCHAR2(4000),
  256. "PASS" VARCHAR2(4000),
  257. "EMAIL" VARCHAR2(4000),
  258. "COUNTRY" VARCHAR2(4000)
  259. )
  260.  
  261. register.html
  262. <html>
  263. <body>
  264. <form action="servlet/Register" method="post">
  265.  
  266. Name:<input type="text" name="userName"/><br/><br/>
  267. Password:<input type="password" name="userPass"/><br/><br/>
  268. Email Id:<input type="text" name="userEmail"/><br/><br/>
  269. Country:
  270. <select name="userCountry">
  271. <option>India</option>
  272. <option>Pakistan</option>
  273. <option>other</option>
  274. </select>
  275.  
  276. <br/><br/>
  277. <input type="submit" value="register"/>
  278.  
  279. </form>
  280. </body>
  281. </html>
  282. Register.java
  283. import java.io.*;
  284. import java.sql.*;
  285. import javax.servlet.ServletException;
  286. import javax.servlet.http.*;
  287.  
  288. public class Register extends HttpServlet {
  289. public void doPost(HttpServletRequest request, HttpServletResponse response)
  290. throws ServletException, IOException {
  291.  
  292. response.setContentType("text/html");
  293. PrintWriter out = response.getWriter();
  294.  
  295. String n=request.getParameter("userName");
  296. String p=request.getParameter("userPass");
  297. String e=request.getParameter("userEmail");
  298. String c=request.getParameter("userCountry");
  299.  
  300. try{
  301. Class.forName("oracle.jdbc.driver.OracleDriver");
  302. Connection con=DriverManager.getConnection(
  303. "jdbc:oracle:thin:@localhost:1521:xe","system","oracle");
  304.  
  305. PreparedStatement ps=con.prepareStatement(
  306. "insert into registeruser values(?,?,?,?)");
  307.  
  308. ps.setString(1,n);
  309. ps.setString(2,p);
  310. ps.setString(3,e);
  311. ps.setString(4,c);
  312.  
  313. int i=ps.executeUpdate();
  314. if(i>0)
  315. out.print("You are successfully registered...");
  316.  
  317.  
  318. }catch (Exception e2) {System.out.println(e2);}
  319.  
  320. out.close();
  321. }
  322.  
  323. }
  324.  
  325.  
  326. web.xml
  327. <web-app>
  328.  
  329. <servlet>
  330. <servlet-name>Register</servlet-name>
  331. <servlet-class>Register</servlet-class>
  332. </servlet>
  333.  
  334. <servlet-mapping>
  335. <servlet-name>Register</servlet-name>
  336. <url-pattern>/servlet/Register</url-pattern>
  337. </servlet-mapping>
  338.  
  339. <welcome-file-list>
  340. <welcome-file>register.html</welcome-file>
  341. </welcome-file-list>
  342.  
  343. </web-app>
  344.  
  345.  
  346. PHP Form Validation
  347.  
  348. 1. Dynamic Page(Without connecting database)
  349.  
  350.  
  351. <!DOCTYPE HTML>
  352. <html>
  353. <head>
  354. </head>
  355. <body>
  356.  
  357. <?php
  358. // define variables and set to empty values
  359. $name = $email = $gender = $comment = $website = "";
  360.  
  361. if ($_SERVER["REQUEST_METHOD"] == "POST") {
  362. $name = test_input($_POST["name"]);
  363. $email = test_input($_POST["email"]);
  364. $website = test_input($_POST["website"]);
  365. $comment = test_input($_POST["comment"]);
  366. $gender = test_input($_POST["gender"]);
  367. }
  368.  
  369. function test_input($data) {
  370. $data = trim($data);
  371. $data = stripslashes($data);
  372. $data = htmlspecialchars($data);
  373. return $data;
  374. }
  375. ?>
  376. <h2>PHP Form Validation Example</h2>
  377. <form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
  378. Name: <input type="text" name="name">
  379. <br><br>
  380. E-mail: <input type="text" name="email">
  381. <br><br>
  382. Website: <input type="text" name="website">
  383. <br><br>
  384. Comment: <textarea name="comment" rows="5" cols="40"></textarea>
  385. <br><br>
  386. Gender:
  387. <input type="radio" name="gender" value="female">Female
  388. <input type="radio" name="gender" value="male">Male
  389. <br><br>
  390. <input type="submit" name="submit" value="Submit">
  391. </form>
  392. <?php
  393. echo "<h2>Your Input:</h2>";
  394. echo $name;
  395. echo "<br>";
  396. echo $email;
  397. echo "<br>";
  398. echo $website;
  399. echo "<br>";
  400. echo $comment;
  401. echo "<br>";
  402. echo $gender;
  403. ?>
  404.  
  405. </body>
  406. </html>
  407.  
  408. 2. Dynamic Page with required fields(Without connecting database)
  409. <!DOCTYPE HTML>
  410. <html>
  411. <head>
  412. <style>
  413. .error {color: #FF0000;}
  414. </style>
  415. </head>
  416. <body>
  417.  
  418. <?php
  419. // define variables and set to empty values
  420. $nameErr = $emailErr = $genderErr = $websiteErr = "";
  421. $name = $email = $gender = $comment = $website = "";
  422.  
  423. if ($_SERVER["REQUEST_METHOD"] == "POST") {
  424. if (empty($_POST["name"])) {
  425. $nameErr = "Name is required";
  426. } else {
  427. $name = test_input($_POST["name"]);
  428. }
  429.  
  430. if (empty($_POST["email"])) {
  431. $emailErr = "Email is required";
  432. } else {
  433. $email = test_input($_POST["email"]);
  434. }
  435.  
  436. if (empty($_POST["website"])) {
  437. $website = "";
  438. } else {
  439. $website = test_input($_POST["website"]);
  440. }
  441.  
  442. if (empty($_POST["comment"])) {
  443. $comment = "";
  444. } else {
  445. $comment = test_input($_POST["comment"]);
  446. }
  447.  
  448. if (empty($_POST["gender"])) {
  449. $genderErr = "Gender is required";
  450. } else {
  451. $gender = test_input($_POST["gender"]);
  452. }
  453. }
  454.  
  455. function test_input($data) {
  456. $data = trim($data);
  457. $data = stripslashes($data);
  458. $data = htmlspecialchars($data);
  459. return $data;
  460. }
  461. ?>
  462.  
  463. <h2>PHP Form Validation Example</h2>
  464. <p><span class="error">* required field.</span></p>
  465. <form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
  466. Name: <input type="text" name="name">
  467. <span class="error">* <?php echo $nameErr;?></span>
  468. <br><br>
  469. E-mail: <input type="text" name="email">
  470. <span class="error">* <?php echo $emailErr;?></span>
  471. <br><br>
  472. Website: <input type="text" name="website">
  473. <span class="error"><?php echo $websiteErr;?></span>
  474. <br><br>
  475. Comment: <textarea name="comment" rows="5" cols="40"></textarea>
  476. <br><br>
  477. Gender:
  478. <input type="radio" name="gender" value="female">Female
  479. <input type="radio" name="gender" value="male">Male
  480. <span class="error">* <?php echo $genderErr;?></span>
  481. <br><br>
  482. <input type="submit" name="submit" value="Submit">
  483. </form>
  484.  
  485. <?php
  486. echo "<h2>Your Input:</h2>";
  487. echo $name;
  488. echo "<br>";
  489. echo $email;
  490. echo "<br>";
  491. echo $website;
  492. echo "<br>";
  493. echo $comment;
  494. echo "<br>";
  495. echo $gender;
  496. ?>
  497.  
  498. </body>
  499. </html>
  500. 3. Login form using Database
  501.  
  502.  
  503.  
  504. Mysql
  505. 1. CREATE TABLE login(name varchar(30), password varchar(30), PRIMARY KEY(name));
  506. 2. INSERT INTO login VALUES('guru','guru');
  507.  
  508. Login.php
  509. <html>
  510. <head>
  511. <style type="text/css">
  512. input{
  513. border:1px solid olive;
  514. border-radius:5px;
  515. }
  516. h1{
  517. color:darkgreen;
  518. font-size:22px;
  519. text-align:center;
  520. }
  521. </style>
  522. </head>
  523. <body>
  524. <h1>Login<h1>
  525. <form action='#' method='post'>
  526. <table cellspacing='5' align='center'>
  527. <tr><td>User name:</td><td><input type='text' name='name'/></td></tr>
  528. <tr><td>Password:</td><td><input type='password' name='pwd'/></td></tr>
  529. <tr><td></td><td><input type='submit' name='submit' value='Submit'/></td></tr>
  530. </table>
  531.  
  532. </form>
  533. <?php
  534. session_start();
  535. if(isset($_POST['submit']))
  536. {
  537. mysql_connect('localhost','root','') or die(mysql_error());
  538. mysql_select_db('new') or die(mysql_error());
  539. $name=$_POST['name'];
  540. $pwd=$_POST['pwd'];
  541. if($name!=''&&$pwd!='')
  542. {
  543. $query=mysql_query("select * from login where name='".$name."' and password='".$pwd."'") or die(mysql_error());
  544. $res=mysql_fetch_row($query);
  545. if($res)
  546. {
  547. $_SESSION['name']=$name;
  548. header('location:welcome.php');
  549. }
  550. else
  551. {
  552. echo'You entered username or password is incorrect';
  553. }
  554. }
  555. else
  556. {
  557. echo'Enter both username and password';
  558. }
  559. }
  560. ?>
  561. </body>
  562. </html>
  563.  
  564. Welcome.php
  565. <?php
  566. session_start();
  567. $name=$_SESSION['name'];
  568. echo'welcome :'. $name.'<br>';
  569. echo'<a href="signout.php">Signout</a>';
  570. ?>
  571.  
  572. Signout.php
  573. <?php
  574. session_start();
  575. session_destroy();
  576. header('location:login.php');
  577. ?>
  578.  
  579.  
  580. JAVASCRIPT FORM VALIDATION:
  581.  
  582. HTML:
  583. <!DOCTYPE html>
  584. <html lang="en"><head>
  585. <meta charset="utf-8">
  586. <title>JavaScript Form Validation using a sample registration form</title>
  587. <meta name="keywords" content="example, JavaScript Form Validation, Sample registration form" />
  588. <meta name="description" content="This document is an example of JavaScript Form Validation using a sample registration form. " />
  589. <link rel='stylesheet' href='js-form-validation.css' type='text/css' />
  590. <script src="sample-registration-form-validation.js"></script>
  591. </head>
  592. <body onLoad="document.registration.userid.focus();">
  593. <h1>Registration Form</h1>
  594. <p>Use tab keys to move from one input field to the next.</p>
  595. <form name='registration' onSubmit="return formValidation();">
  596. <ul>
  597. <li><label for="userid">User id:</label></li>
  598. <li><input type="text" name="userid" size="12" /></li>
  599. <li><label for="passid">Password:</label></li>
  600. <li><input type="password" name="passid" size="12" /></li>
  601. <li><label for="username">Name:</label></li>
  602. <li><input type="text" name="username" size="50" /></li>
  603. <li><label for="address">Address:</label></li>
  604. <li><input type="text" name="address" size="50" /></li>
  605. <li><label for="country">Country:</label></li>
  606. <li><select name="country">
  607. <option selected="" value="Default">(Please select a country)</option>
  608. <option value="AF">Australia</option>
  609. <option value="AL">Canada</option>
  610. <option value="DZ">India</option>
  611. <option value="AS">Russia</option>
  612. <option value="AD">USA</option>
  613. </select></li>
  614. <li><label for="zip">ZIP Code:</label></li>
  615. <li><input type="text" name="zip" /></li>
  616. <li><label for="email">Email:</label></li>
  617. <li><input type="text" name="email" size="50" /></li>
  618. <li><label id="gender">Sex:</label></li>
  619. <li><input type="radio" name="sex" value="Male" /><span>Male</span></li>
  620. <li><input type="radio" name="sex" value="Female" /><span>Female</span></li>
  621. <li><label>Language:</label></li>
  622. <li><input type="checkbox" name="en" value="en" checked /><span>English</span></li>
  623. <li><input type="checkbox" name="nonen" value="noen" /><span>Non English</span></li>
  624. <li><label for="desc">About:</label></li>
  625. <li><textarea name="desc" id="desc"></textarea></li>
  626. <li><input type="submit" name="submit" value="Submit" /></li>
  627. </ul>
  628. </form>
  629. </body>
  630. </html>
  631.  
  632. CSS:
  633. h1 {
  634. margin-left: 70px;
  635. }
  636. form li {
  637. list-style: none;
  638. margin-bottom: 5px;
  639. }
  640.  
  641. form ul li label{
  642. float: left;
  643. clear: left;
  644. width: 100px;
  645. text-align: right;
  646. margin-right: 10px;
  647. font-family:Verdana, Arial, Helvetica, sans-serif;
  648. font-size:14px;
  649. }
  650.  
  651. form ul li input, select, span {
  652. float: left;
  653. margin-bottom: 10px;
  654. }
  655.  
  656. form textarea {
  657. float: left;
  658. width: 350px;
  659. height: 150px;
  660. }
  661.  
  662. [type="submit"] {
  663. clear: left;
  664. margin: 20px 0 0 230px;
  665. font-size:18px
  666. }
  667.  
  668. p {
  669. margin-left: 70px;
  670. font-weight: bold;
  671. }
  672.  
  673. JAVASCRIPT:
  674. function formValidation()
  675. {
  676. var uid = document.registration.userid;
  677. var passid = document.registration.passid;
  678. var uname = document.registration.username;
  679. var uadd = document.registration.address;
  680. var ucountry = document.registration.country;
  681. var uzip = document.registration.zip;
  682. var uemail = document.registration.email;
  683. var umsex = document.registration.msex;
  684. var ufsex = document.registration.fsex; if(userid_validation(uid,5,12))
  685. {
  686. if(passid_validation(passid,7,12))
  687. {
  688. if(allLetter(uname))
  689. {
  690. if(alphanumeric(uadd))
  691. {
  692. if(countryselect(ucountry))
  693. {
  694. if(allnumeric(uzip))
  695. {
  696. if(ValidateEmail(uemail))
  697. {
  698. if(validsex(umsex,ufsex))
  699. {
  700. }
  701. }
  702. }
  703. }
  704. }
  705. }
  706. }
  707. }
  708. return false;
  709.  
  710. } function userid_validation(uid,mx,my)
  711. {
  712. var uid_len = uid.value.length;
  713. if (uid_len == 0 || uid_len >= my || uid_len < mx)
  714. {
  715. alert("User Id should not be empty / length be between "+mx+" to "+my);
  716. uid.focus();
  717. return false;
  718. }
  719. return true;
  720. }
  721. function passid_validation(passid,mx,my)
  722. {
  723. var passid_len = passid.value.length;
  724. if (passid_len == 0 ||passid_len >= my || passid_len < mx)
  725. {
  726. alert("Password should not be empty / length be between "+mx+" to "+my+" / between 7 and 12 characters with at least one uppercase, one lower case, one number and one special character");
  727. passid.focus();
  728. return false;
  729. }
  730. var decimal= /^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z0-9])(?!.*\s).{8,15}$/;
  731. if(passid.value.match(decimal) == false)
  732. {
  733. return false;
  734. }
  735. return true;
  736. }
  737. function allLetter(uname)
  738. {
  739. var letters = /^[A-Za-z]+$/;
  740. if(uname.value.match(letters))
  741. {
  742. return true;
  743. }
  744. else
  745. {
  746. alert('Username must have alphabet characters only');
  747. uname.focus();
  748. return false;
  749. }
  750. }
  751. function alphanumeric(uadd)
  752. {
  753. var letters = /^[0-9a-zA-Z]+$/;
  754. if(uadd.value.match(letters))
  755. {
  756. return true;
  757. }
  758. else
  759. {
  760. alert('User address must have alphanumeric characters only');
  761. uadd.focus();
  762. return false;
  763. }
  764. }
  765. function countryselect(ucountry)
  766. {
  767. if(ucountry.value == "Default")
  768. {
  769. alert('Select your country from the list');
  770. ucountry.focus();
  771. return false;
  772. }
  773. else
  774. {
  775. return true;
  776. }
  777. }
  778. function allnumeric(uzip)
  779. {
  780. var numbers = /^[0-9]+$/;
  781. if(uzip.value.match(numbers))
  782. {
  783. return true;
  784. }
  785. else
  786. {
  787. alert('ZIP code must have numeric characters only');
  788. uzip.focus();
  789. return false;
  790. }
  791. }
  792. function ValidateEmail(uemail)
  793. {
  794. var mailformat = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
  795. if(uemail.value.match(mailformat))
  796. {
  797. return true;
  798. }
  799. else
  800. {
  801. alert("You have entered an invalid email address!");
  802. return false;
  803. }
  804. } function validsex(umsex,ufsex)
  805. {
  806. x=0;
  807.  
  808. if(umsex.checked)
  809. {
  810. x++;
  811. }
  812. if(ufsex.checked)
  813. {
  814. x++;
  815. }
  816.  
  817. if (x==2)
  818. {
  819. alert('Both Male/Female are checked');
  820. ufsex.checked=false
  821. umsex.checked=false
  822. umsex.focus();
  823. return false;
  824. }
  825.  
  826. if(x==0)
  827. {
  828. alert('Select Male/Female');
  829. umsex.focus();
  830. return false;
  831. }
  832. else
  833. {
  834. alert('Form Succesfully Submitted');
  835. window.location.reload()
  836. return true;
  837. }
  838. }
  839.  
  840.  
  841.  
  842.  
  843.  
  844.  
  845.  
  846.  
  847. PHP FILE UPLOAD:
  848.  
  849. HTML:
  850. <!DOCTYPE html>
  851. <html>
  852. <body>
  853.  
  854. <form action="upload.php" method="post" enctype="multipart/form-data">
  855. Select image to upload:
  856. <input type="file" name="fileToUpload" id="fileToUpload">
  857. <input type="submit" value="Upload Image" name="submit">
  858. </form>
  859.  
  860. </body>
  861. </html>
  862.  
  863.  
  864. PHP:
  865. <?php
  866. $target_dir = "uploads/";
  867. $target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
  868. $uploadOk = 1;
  869. $imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);
  870. // Check if image file is a actual image or fake image
  871. if(isset($_POST["submit"])) {
  872. $check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
  873. if($check !== false) {
  874. echo "File is an image - " . $check["mime"] . ".";
  875. $uploadOk = 1;
  876. } else {
  877. echo "File is not an image.";
  878. $uploadOk = 0;
  879. }
  880. }
  881. // Check if file already exists
  882. if (file_exists($target_file)) {
  883. echo "Sorry, file already exists.";
  884. $uploadOk = 0;
  885. }
  886. // Check file size
  887. if ($_FILES["fileToUpload"]["size"] > 500000) {
  888. echo "Sorry, your file is too large.";
  889. $uploadOk = 0;
  890. }
  891. // Allow certain file formats
  892. if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg"
  893. && $imageFileType != "gif" ) {
  894. echo "Sorry, only JPG, JPEG, PNG & GIF files are allowed.";
  895. $uploadOk = 0;
  896. }
  897. // Check if $uploadOk is set to 0 by an error
  898. if ($uploadOk == 0) {
  899. echo "Sorry, your file was not uploaded.";
  900. // if everything is ok, try to upload file
  901. } else {
  902. if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
  903. echo "The file ". basename( $_FILES["fileToUpload"]["name"]). " has been uploaded.";
  904. } else {
  905. echo "Sorry, there was an error uploading your file.";
  906. }
  907. }
  908. ?>
  909.  
  910.  
  911.  
  912.  
  913.  
  914.  
  915.  
  916. SERVLET FILE UPLOAD:
  917.  
  918. HTML:
  919. <html>
  920. <head>
  921. <title>File Uploading Form</title>
  922. </head>
  923.  
  924. <body>
  925. <h3>File Upload:</h3>
  926. Select a file to upload: <br />
  927. <form action = "UploadServlet" method = "post" enctype = "multipart/form-data">
  928. <input type = "file" name = "file" size = "50" />
  929. <br />
  930. <input type = "submit" value = "Upload File" />
  931. </form>
  932. </body>
  933. </html>
  934.  
  935.  
  936. UploadServlet:
  937. // Import required java libraries
  938. import java.io.*;
  939. import java.util.*;
  940.  
  941. import javax.servlet.ServletConfig;
  942. import javax.servlet.ServletException;
  943. import javax.servlet.http.HttpServlet;
  944. import javax.servlet.http.HttpServletRequest;
  945. import javax.servlet.http.HttpServletResponse;
  946.  
  947. import org.apache.commons.fileupload.FileItem;
  948. import org.apache.commons.fileupload.FileUploadException;
  949. import org.apache.commons.fileupload.disk.DiskFileItemFactory;
  950. import org.apache.commons.fileupload.servlet.ServletFileUpload;
  951. import org.apache.commons.io.output.*;
  952.  
  953. public class UploadServlet extends HttpServlet {
  954.  
  955. private boolean isMultipart;
  956. private String filePath;
  957. private int maxFileSize = 50 * 1024;
  958. private int maxMemSize = 4 * 1024;
  959. private File file ;
  960.  
  961. public void init( ){
  962. // Get the file location where it would be stored.
  963. filePath = getServletContext().getInitParameter("file-upload");
  964. }
  965.  
  966. public void doPost(HttpServletRequest request, HttpServletResponse response)
  967. throws ServletException, java.io.IOException {
  968.  
  969. // Check that we have a file upload request
  970. isMultipart = ServletFileUpload.isMultipartContent(request);
  971. response.setContentType("text/html");
  972. java.io.PrintWriter out = response.getWriter( );
  973.  
  974. if( !isMultipart ) {
  975. out.println("<html>");
  976. out.println("<head>");
  977. out.println("<title>Servlet upload</title>");
  978. out.println("</head>");
  979. out.println("<body>");
  980. out.println("<p>No file uploaded</p>");
  981. out.println("</body>");
  982. out.println("</html>");
  983. return;
  984. }
  985.  
  986. DiskFileItemFactory factory = new DiskFileItemFactory();
  987.  
  988. // maximum size that will be stored in memory
  989. factory.setSizeThreshold(maxMemSize);
  990.  
  991. // Location to save data that is larger than maxMemSize.
  992. factory.setRepository(new File("c:\\temp"));
  993.  
  994. // Create a new file upload handler
  995. ServletFileUpload upload = new ServletFileUpload(factory);
  996.  
  997. // maximum file size to be uploaded.
  998. upload.setSizeMax( maxFileSize );
  999.  
  1000. try {
  1001. // Parse the request to get file items.
  1002. List fileItems = upload.parseRequest(request);
  1003.  
  1004. // Process the uploaded file items
  1005. Iterator i = fileItems.iterator();
  1006.  
  1007. out.println("<html>");
  1008. out.println("<head>");
  1009. out.println("<title>Servlet upload</title>");
  1010. out.println("</head>");
  1011. out.println("<body>");
  1012.  
  1013. while ( i.hasNext () ) {
  1014. FileItem fi = (FileItem)i.next();
  1015. if ( !fi.isFormField () ) {
  1016. // Get the uploaded file parameters
  1017. String fieldName = fi.getFieldName();
  1018. String fileName = fi.getName();
  1019. String contentType = fi.getContentType();
  1020. boolean isInMemory = fi.isInMemory();
  1021. long sizeInBytes = fi.getSize();
  1022.  
  1023. // Write the file
  1024. if( fileName.lastIndexOf("\\") >= 0 ) {
  1025. file = new File( filePath + fileName.substring( fileName.lastIndexOf("\\"))) ;
  1026. } else {
  1027. file = new File( filePath + fileName.substring(fileName.lastIndexOf("\\")+1)) ;
  1028. }
  1029. fi.write( file ) ;
  1030. out.println("Uploaded Filename: " + fileName + "<br>");
  1031. }
  1032. }
  1033. out.println("</body>");
  1034. out.println("</html>");
  1035. } catch(Exception ex) {
  1036. System.out.println(ex);
  1037. }
  1038. }
  1039.  
  1040. public void doGet(HttpServletRequest request, HttpServletResponse response)
  1041. throws ServletException, java.io.IOException {
  1042.  
  1043. throw new ServletException("GET method used with " +
  1044. getClass( ).getName( )+": POST method required.");
  1045. }
  1046. }
  1047. }
  1048.  
  1049.  
  1050.  
  1051.  
  1052. JAVASCRIPT FILE UPLOAD:
  1053.  
  1054. <!DOCTYPE html>
  1055. <html>
  1056. <body onload="myFunction()">
  1057. <input type="file" id="myFile" multiple size="50" onchange="myFunction()">
  1058. <p id="demo"></p>
  1059. <script>
  1060. function myFunction(){
  1061. var x = document.getElementById("myFile");
  1062. var txt = "";
  1063. if ('files' in x) {
  1064. if (x.files.length == 0) {
  1065. txt = "Select one or more files.";
  1066. } else {
  1067. for (var i = 0; i < x.files.length; i++) {
  1068. txt += "<br><strong>" + (i+1) + ". file</strong><br>";
  1069. var file = x.files[i];
  1070. if ('name' in file) {
  1071. txt += "name: " + file.name + "<br>";
  1072. }
  1073. if ('size' in file) {
  1074. txt += "size: " + file.size + " bytes <br>";
  1075. }
  1076. }
  1077. }
  1078. }
  1079. else {
  1080. if (x.value == "") {
  1081. txt += "Select one or more files.";
  1082. } else {
  1083. txt += "The files property is not supported by your browser!";
  1084. txt += "<br>The path of the selected file: " + x.value; // If the browser does not support the files property, it will return the path of the selected file instead.
  1085. }
  1086. }
  1087. document.getElementById ("demo").innerHTML = txt;
  1088. }
  1089. </script>
  1090.  
  1091. <p><strong>Tip:</strong> Use the Control or the Shift key to select multiple files.</p>
  1092.  
  1093. </body>
  1094. </html>
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!