Servlet验证码功能 创建验证码生成Servlet package com.pc.verifycode;import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Random;import javax.imageio.ImageIO;
时间:2023-09-07 | 阅读:17