此生无分起相思

结合网上资料自己封装了一个使用AES算法加解密String字符串的工具类，现记录如下import java.io.UnsupportedEncodingException; import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import java.security.Sec...

毕业设计中使用到了集合（List）和json之间的互相转换，整理记录如下：首先给出bean中包含的相关属性：public class FillInQuestionsBean { private int questionId; private String questionBody; private String questionAnswer; private String questio...

1.user_info 用户数据结构package Data; public class user_info { private String user_name = ""; private String user_password = ""; private String user_type = ""; //private String user_register_time = ""...

dbManager：public class dbManager { private static String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver"; private static String dbURL = "jdbc:sqlserver://localhost:1433;DatabaseName=mai...

public static String getNowTime() //获取当前系统时间并格式化 { System.setProperty("user.timezone", "GMT+08"); Calendar calendar = Calendar.getInstance(); int year = calendar.get(Calendar.YEAR);...