how to put captcha in html

In PHP to generate verification code picture is quite simple, because in PHP provides us with the graphics Gd.dll Library, to enable the GD graphics library we just put PHP-GD in front of the php.ini; Method One The code is as follows

1 , forwarding, and redirection httpservletresponse response forwarding: RequestDispatcher Dispatcher= Request.getrequestdispatcher ("/secondservlet");Request.setattribute ("pwd", "123");//The value set here can be obtained in the

PHP Verification Code implementation codes (3 kinds), PHP captcha Code of 3 Verification code in the form implementation more and more, but with JS write verification code, always feel inconvenient, so learned the next PHP implementation of the

Functions of the GD library 1,imagecreatetruecolor-----Create a true-color image Imagecreatetruecolor (int x_size,int y_size)//x is wide, y represents high 2,imagecolorallocate Assigning color (palette) to an image Imagecolorallocate (Resource Image,

Verification code in the form implementation more and more, but with JS write verification code, always feel inconvenient, so learned the next PHP implementation of the verification code. Well, there is nothing to do, but do not want to waste time,

This article mainly introduced the Django through the Ajax to complete the mailbox user registration, activates the account the method, now shares to everybody, also gives everybody to make a reference. Come and see it together. First, the image

Teach you how to implement verification code PHP, PHP implementation Verification code Verification code in the form implementation more and more, but with JS write verification code, always feel inconvenient, so learned the next PHP implementation

7 Reasons to choose the Yii 2.0 version Framework http://blog.chedushi.com/archives/8988just contact Yii to talk about the views and feelings of the YII framework http://bbs.csdn.net/topics/390807796More content Baidu: Yii Front Endhttp://my.oschina.

Clickjacking. Welcome back to "this week in HTML 5," where I'll try to summarize the major activity in the ongoing standards process in the whatwg and W3C HTML Working Group. Work continued this week on web forms 2, but I'm going to hold off on

Verification code in the form implementation more and more, but with JS write verification code, always feel inconvenient, so learned the next PHP implementation of the verification code. Well, there is nothing to do, but do not want to waste time,