Introduction to the summary of verification code generation methods

This article and everyone to share is an integration 1: lowercase pinyin; 2: uppercase pinyin; 3: number; 4: The Code generation class for Chinese characters. The example in this chapter will also have a scenario where MVC uses CAPTCHA validation. With a certain reference value, following the small series together to see it this time and you share is an integration 1: lowercase pinyin 2: uppercase Pinyin 3: Number 4: Chinese character verification code generation class, from the title to feel very ordinary, yes indeed very common, Just this verification code class can be generated by the parameters to specify the code return format rules, but also the main thing is to give you a certain practicality, this chapter example will have an MVC use verification code to verify the scene, I hope you can like. » Verification code Generation Flowchart» Validation code generation pool Code parsing» Draw the validation codes to the picture» MVC login Operation test Verification code correctness below step by step to share:» Verification code Generation Flowchart first of all, Let's have a look at this share of the verification code generated by the generation process flowchart: Can see this figure describes the code generation pool corresponding to a number of different encoding content, which is mainly based on the parameter settings allow the simultaneous acquisition of different encoding content, to reach the text, pinyin

1.. NET encapsulates a validation code generation class

Introduction: This article and everyone to share is an integration 1: lowercase pinyin; 2: uppercase pinyin; 3: Numbers; 4: The Verification code generation class for Chinese characters. The example in this chapter will also have a scenario where MVC uses CAPTCHA validation. Have a certain reference value, follow the small series below to see it

2. Spring code instance generated by Kaptcha configuration Captcha

Introduction: This article mainly introduces spring MVC using Kaptcha to generate verification code instances, detailed introduction of the use of Kaptcha generated verification code steps, interested to know

3. Detailed code case for Java Graphics Verification Code generation Tool Class Web page verification code

Introduction: This article is mainly for you in detail the Java Graphics Verification Code generation tool class, Web page verification verification Code, with a certain reference value, interested in small partners can refer to

4.. NET verification code generation and usage method

Introduction: This article mainly introduces. NET verification code generation and use method, first understand what verification code is and its role, finally shared how to make verification code, the content is very comprehensive, interested in small partners can refer to

5. ASP. NET code generation and refresh and validation

Introduction: In. NET to create a new Web project, add one. aspx page, named Verifycode.aspx, goes to its code-editing state, the following code copy&paste the past can be used, any comments or questions welcome ^@^

6. PHP Verification Code generation principle and implementation

Introduction:: This article mainly introduces the PHP code generation principle and implementation, for the PHP tutorial interested students can refer to.

7. Using GD image Verification code in PHP to generate and save

Introduction:: This article mainly introduces the use of GD image verification code generated and saved in PHP, for the PHP tutorial interested students can refer to.

8. A PHP verification code generated class code

Introduction: A PHP verification code generation class code

9. Python Image verification Code generation codes

Introduction: This article is mainly for you in detail the Python image verification code generation code, interested friends can refer to

PHP Verification Code Generation class complete Code _php tutorial

Introduction: PHP Verification code generates the complete code of the class. This article provides this PHP verification code generation class is flexible and easy to use, the user can define the individual members have width, height, canvas, word number, type, painting type and we just modify $Type can be defined

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