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Java Verification Code

Public classVerifycodecontroller {Private intwidth = -;//define the width of the picture Private intHeight = -;//defines the height of a picture Private intCodecount =4;//define the number of verification codes displayed on the image

SPRINGMVC Verification Code Program

Original address: http://my.oschina.net/u/1757031/blog/488322ImportJava.awt.Color;ImportJava.awt.Font;ImportJava.awt.Graphics;ImportJava.awt.image.BufferedImage;Importjava.io.IOException;ImportJava.util.Random;ImportJavax.imageio.ImageIO;ImportJavax.

Springmvc+java Verification Code Perfect registration function

This article simply wrote a Java verification code, for the previously written SPRINGMVC registration function plus Verification code, the role of verification code is not much to say, to prevent the bot malicious registration and so on.Where

Code accumulation-Generate CAPTCHA servlet

Packageweb;ImportJava.awt.Color;ImportJava.awt.Font;ImportJava.awt.Graphics2D;ImportJava.awt.image.BufferedImage;Importjava.io.IOException;ImportJava.util.Random;ImportJavax.imageio.ImageIO;Importjavax.servlet.ServletException;ImportJavax.servlet.Ser

Example of the generation of Java EE Verification Code

First, the prefaceThe advantage of using a captcha in a form page is to effectively prevent users from submitting the form maliciously, or to use a plug-in to attack the system illegally. Ii. Conditions of preparation1, a common Web project

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