gatehub verification code

below to share a PHP-produced picture Verification code case: Cases such as:The use of PHP gd detailed see: http://www.php.net/manual/zh/book.image.phpThe background image code is as follows:The front code is as follows:Add click to execute changes as follows: This case original, reproduced please specify!

This time the note is Shiro Verification code function, the last note did not do, this note continues to do. Complete Project Download path (project download online Hui framework again, what ghost files are inside, temporarily clear, so many): http://download.csdn.net/download/u013845177/9992748 Related LIB package path: http://download.csdn.net/download/u013845177/9992728 Modify the Lsformauthenticationfi

DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd ">HTMLxmlns= "http://www.w3.org/1999/xhtml">Head>Scriptsrc= "Html/js/jquery-1.4.1.min.js"type= "Text/javascript">Script>Scripttype= "Text/javascript">varintervalobj;//timer variable, control timevarCount= 5; //interval function, 1 second executionvarCurcount;//current number of seconds remainingfunctionSendMessage () {Curcount=count; //Set button effect to start timing $("#b

Php registration page verification code, do not know where there is an error, each submission even if the verification code is wrong, it can be successfully submitted. The following are all the codes on the registration page. the content of each verification

PHP Generate verification Code, PHP generated verification code After reading will, will not you hit me, the words do not say more, open engage ( people hard words not many ) 1 First look at the code first 1 PHP 2header("content-type:text/html; Charset=utf-8 "); /

PHP Write login Verification code function with call method, PHP verification code The example of this article for everyone to share a PHP write login verification code function, for your reference, the specific content as follow

When Ajax submits a form, the verification code automatically verifies the php backend verification code detection, and the ajax backend This article uses the source code to demonstrate how to update the verification

Original link: http://www.cnblogs.com/steed-zgf/archive/2012/02/03/2336984.html"-//W3C//DTD XHTML 1.0 transitional//en""Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">"Http://www.w3.org/1999/xhtml">"Text/javascript">var intervalobj;//Timer variable, control timevar count =5;//Interval function, 1 second executionvar Curcount;//Current number of seconds remainingfunction SendMessage () {Curcount =Count//Set the button effect to start the timer $ ("#btnSendCode"). attr ("Disabled","True"

Complete jsp page Verification Code instance, jsp page Verification Code This example shares the code of the sp page verification code for your reference. The details are as follows: Th

Android automatically reads the SMS verification code and android SMS Verification Code The system automatically obtains the SMS verification code of the mobile phone. The principle is to parse the SMS and obtain the

PHP implementation of simple and practical Verification code class, PHP simple and practical Verification code This paper introduces the simple and practical verification code class of PHP implementation. Share to everyone for yo

Enter the verification code:

This article mainly explains how to generate an image verification code in php, including a digital verification code, a digital and letter verification code, a Chinese verification

Class captcha{Private $charset = ' abcdefghkmnprstuvwxyzABCDEFGHKMNPRSTUVWXYZ23456789 '; Random factor,Private $code; Verification Code StringPrivate $codelen = 4; Verification Code lengthPrivate $width = 150; WidthPrivate $height = 40; HeightPrivate $img; Graphics resource

1 //four-bit random verification code2Random ran=NewRandom ();3String str1 = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXUZ";4 Char[] A=New Char[4];5 for(inti=0;i)6 {7A[i]=str1.charat (Ran.nextint (62));8 }9 TenStringBuilder rzm1=NewStringBuilder (); One for(inti=0;i) A { -Rzm1.append (A[i]);//Generate 4-bit authentication code