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文章目录一、代码1.代码总结 一、代码 1.代码 package com.cookie; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import j

验证码和七天免登陆一、代码1.代码总结 一、代码 1.代码 GenerateCode的验证码类: package com.utils; import javax.imageio.ImageIO; import java.awt.*; import java.awt.geom.AffineTransform; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileOutputStream; import ja