nikolas_511的博客

验证码生成

import java.math.BigInteger;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;public class MD5Utils { /** * md5算法进行密码加密程序 */ public static String md5(String st...

import java.util.Properties;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.AddressException;impo...

import java.io.IOException;import java.sql.Connection;import java.sql.SQLException;import java.util.Properties;import javax.sql.DataSource;import org.apache.commons.dbcp.BasicDataSourceFactory;...