、八月份的前奏

摘要： //validationCode类。package com.validationCode; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.image.BufferedImage; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.util.Random; import javax.imageio.ImageIO; import javax.... 阅读全文