package com.yx.codeutil; import java.io.IOException; import java.io.OutputStream; public interface IVerifyCodeGen { /** * 生成验证码并返回code,将图片写的os中 * * @param width * @param height * @param os * @return * @throws IOException */ String generate(int width, int height, OutputStream os) throws IOException; /** * 生成验证码对象 * * @param width * @param height * @return * @throws IOException */ VerifyCode generate(int width, int height) throws IOException; }