Captcha"
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| − | A < | + | A <code>captcha</code> component can generate a special distortion image, also called a CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) image. Developers could set <code>height </code>and <code>width </code>for dimension of captcha. By default, captcha render the image with a randomly generated text, and developers can set <code>value </code>to assign a purposive text. |
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=Supported Events= | =Supported Events= | ||
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! Version !! Description !! Example Location | ! Version !! Description !! Example Location | ||
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== Linux == | == Linux == | ||
| − | Captcha depends on Java Swing that might not work under some version of JVM. | + | Captcha depends on Java Swing that might not work under some version of JVM. For the information to make it work under Linux, please refer to [[ZK Installation Guide/Setting up OS/Linux|ZK Installation Guide: Linux]]. |
=Version History= | =Version History= | ||
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! Version !! Date !! Content | ! Version !! Date !! Content | ||
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Latest revision as of 10:40, 12 January 2022
Captcha
- Demonstration: Capcha
- Java API: Captcha
- JavaScript API: Captcha
- Style Guide: N/A
- Available in ZK PE and EE only
Employment/Purpose
A captcha component can generate a special distortion image, also called a CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) image. Developers could set height and width for dimension of captcha. By default, captcha render the image with a randomly generated text, and developers can set value to assign a purposive text.
Example
<vbox>
<captcha id="cpa" length="5" width="200px" height="50px"/>
</vbox>
Supported Events
| None | None |
- Inherited Supported Events: Image
Supported Children
*NONE
Use Cases
| Version | Description | Example Location |
|---|---|---|
Troubleshooting
Linux
Captcha depends on Java Swing that might not work under some version of JVM. For the information to make it work under Linux, please refer to ZK Installation Guide: Linux.
Version History
| Version | Date | Content |
|---|---|---|