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Copy CodeThe code is as follows: /** Default Home **/Class Defaultcontroller extends AppController{Public Function index () {$len = 5;$str = "ABCDEFGHIJKLNMPQRSTUVWXYZ123456789";$im = Imagecreatetruecolor (70, 20);$BGC = Imagecolorallocate ($im, 255, 255, 255);$bgtxt = Imagecolorallocate ($im, 220, 220, 220);Random Palette$colors = Array (Imagecolorallocate ($im, 255, 0, 0),Imagecolorallocate ($im, 0, 20

limited by the min and max parameters.The Code is as follows: Result: 652696728 (random result) 1. Use php to generate a random number within a specified range. If we want to generate a random number between two numbers, we need to set two parameters for rand, the result we get is in our control. It should be min

When logging on to many websites, they no longer use simple English and digital verification codes. In order to prevent attacks by disgusting registration and group-sending software, they are now using Chinese verification codes.Today, we will share with you the source code of a random Chinese verification code image generated using Python. The

Random Verification Code Generation code PackageCom.zuidaima.core.util; ImportJava.util.Random; Public classRandomutil { Public Static FinalString Allchar = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; Public Static FinalString Letterchar = "ABCDEFGHIJKLLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"; Public Static FinalString Numberchar =

Python generates a 6-digit verification code at random, and python generates a 6-digit verification code. 1. Generate source code Copy codeThe Code is as follows:#-*-Coding: UTF-8 -*- Import random Def generate_verification_code (

The simplest example of generating a random verification code Image The code is as follows: /** Default homepage **/Class DefaultController extends AppController{Public function index (){$ Len = 5;$ Str = "ABCDEFGHIJKLNMPQRSTUVWXYZ123456789 ";$ Im = imagecreatetruecolor (70, 20 );$ Bgc = imagecolorallocate ($ im, 255,255,255 );$ Bgtxt = imagecolorallocate ($

Generate C code implementation for random passwords and c code Problem description Some software often requires the user to enter a random password (or verification code) sent by the system during login to verify the user's identity and prevent malicious login. A 6-digit

Many systems now register, log in or publish information modules are added to the random code function, is to avoid automatic registration program or the use of automatic publishing programs.The verification code is actually randomly chooses some characters to display in the picture the form on the page, if carries on the Tomato Garden XP system downloading submi

CopyCode The Code is as follows: /** Default homepage **/ Class defaultcontroller extends appcontroller { Public Function Index (){ $ Len = 5; $ STR = "abcdefghijklnmpqrstuvwxyz123456789 "; $ Im = imagecreatetruecolor (70, 20 );$ BGC = imagecolorallocate ($ im, 255,255,255 );$ Bgtxt = imagecolorallocate ($ im, 220,220,220 ); // Random color palette$ Colors = array (Imagecolorallocate ($ im, 255, 0, 0 )

This article describes how to generate a Chinese Random verification code in python. For more information, see the following code: #-*-Coding: UTF-8 -*-Import Image, ImageDraw, ImageFontImport randomImport math, string Class RandomChar ():"Used to randomly generate Chinese characters """@ StaticmethodDef Unicode ():Val = ran