Web Development (Java&jquery) Implementation Verification code

1, Ajax Fancy Capcha

An Ajax-enabled and stunning jQuery Captcha plugin that uses a very user-friendly authentication mechanism.

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From:http://www.webdesignbeach.com/beachbar/ajax-fancy-captcha-jquery-plugin

2. Java Generate verification Code

2-1, Jcaptcha

Jcaptcha is an open-source Java class Library used to generate verification codes, and the latest version is now 2.0. Check here for verification code:

Https://jcaptcha.atlassian.net/wiki/display/general/Samples+tests

2-2, Simplecaptcha

A set of libraries (Java) for generating a variety of graphical verification codes, below are some examples of generating verification codes

	Image generated with the Fiveletterfirstname generator.
	Image generated with the random character generator with 6 chars per Captcha
	Same but with different font and background colors
	etc.
	or with the Shadowgimpyimp
	With a simplified Chinese word producer
	Fisheye Distrotion applied to Captcha

From:http://www.oschina.net/action/project/go?id=840&p=download2-3, PATCHCA

PATCHCA is a Java class library with simple but powerful verification codes.

From Github:https://github.com/pusuo/patchca#readme

The above content from open source China to collect from, because feel good, do a summary here!

Web Development (Java&jquery) Implementation Verification code