A summary of verification code generation methods

This article shares with you a verification code generation class that integrates 1: lowercase Pinyin; 2: uppercase Pinyin; 3: numbers; 4: Chinese characters. The examples in this chapter will also include a scenario where mvc uses verification code verification. It has a certain reference value. Let’s take a look at it with the editor. What I will share with you this time is a verification code generation class that integrates 1: Lowercase Pinyin 2: Uppercase Pinyin 3: Number 4: Chinese characters. Judging from the title, it feels very It looks ordinary, yes it is very ordinary, but when this verification code class is generated, you can specify the rules of the verification code return format through parameters. More importantly, I hope it can bring some practicality to everyone. There will also be an example in this chapter. I hope you will like the scenario of mvc using verification code. » Verification code generation flow chart » Analysis of verification code generation pool code » Draw the verification code on the picture » MVC login operation test the correctness of the verification code Let’s share it step by step: » Verification code generation flow chart First, how do we do it Take a look at the generation flow chart of the verification code generation class shared this time: You can see that the encoding generation pool described in this picture corresponds to several different encoding contents. Here, it is mainly based on parameter settings to allow different encoding contents to be obtained at the same time to reach the text. , Pinyin

1. .net encapsulates a verification code generation class

##Introduction: This article shares with you a verification code generation class that integrates 1: lowercase Pinyin; 2: uppercase Pinyin; 3: numbers; 4: Chinese characters. The examples in this chapter will also include a scenario where mvc uses verification code verification. It has certain reference value, let’s take a look at it with the editor

2. Spring generates code examples through kaptcha configuration verification code

Introduction: This article mainly introduces spring mvc to use kaptcha to generate verification code examples, and details the steps to use Kaptcha to generate verification codes. , those who are interested can learn more

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#Introduction: This article mainly introduces in detail the java graphic verification code generation tool class and web page verification verification code, which has certain For reference value, interested friends can refer to

4. .net verification code generation and usage method

Introduction: This article mainly introduces the generation and use of .net verification code. First, understand what the verification code is and its function, and finally share how to make the verification code. Code, the content is very comprehensive, interested friends can refer to

5. asp.net verification code generation, refresh and verification

Introduction: Create a new Web project in .NET, add an .ASPX page, name it VerifyCode.aspx, and go to its code editor Status, copy & paste the following code to use it. If you have any comments or questions, please feel free to ask^@^

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PHP verification code generation principle and implementation

Introduction:: This article mainly introduces the principle and implementation of PHP verification code generation. Those who are interested in PHP tutorials Students can refer to it.

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Use gd image verification code to generate and save in php

Introduction::This article mainly introduces Learn how to generate and save GD image verification codes in PHP. Students who are interested in PHP tutorials can refer to it.

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Introduction: A php verification code generation class code

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Introduction: PHP Complete code of verification code generation class. This article provides this PHP verification code generation class that is flexible and easy to use. Users can define each member to include width, height, canvas, number of words, type, and painting type. At the same time, we only need to modify $Type to define

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