基于PHP的中文GIF动态验证码生成器的设计与实现  

Design and implementation of chinese GIF dynamic verification code generator based on PHP

作　　者：唐乾林[1] 黎现云 Tang Qianlin;Li Xianyun(Chongqing College of Electronic Engineering,Chongqing 401331,China)

机构地区：[1]重庆电子工程职业学院,重庆401331

出　　处：《无线互联科技》2022年第18期89-92,共4页Wireless Internet Technology

摘　　要：全自动区分计算机和人类的图灵测试(简称“验证码”),是一种区分用户是计算机还是人的公共全自动程序。文章分析了生成随机数技术、汉字编码GB2312,GBK,GB18030,Unicode,UTF-8技术,研究了中文GIF动态验证码生成器的设计思路,并通过PHP语言实现了中文GIF动态验证码生成器,测试后发现该生成器安全、高效。Turing test of fully automatic distinguishing between computer and human(here in after referred to as “verification code”) is a public fully automatic program to distinguish whether the user is a computer or a human.This paper analyzes the technology of generating random numbers,Chinese character encoding GB2312,GBK,GB18030,Unicode,UTF-8,studies the design idea of Chinese GIF dynamic verification code generator,and implements the Chinese GIF dynamic verification code generator through PHP language.After testing,it is found that the generator is safe and efficient.

关 键 词：PHP语言 中文GIF动态验证码 GB2312 GBK GB18030 UNICODE UTF-8 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]