jdbc環境配置。

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/user
username=root
password=123456

日期格式工具方法。

package com.wh.utils;


import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class DateUtil {
	public static Date dateParse(String regdate, String pattern)  {
		SimpleDateFormat sdf = new SimpleDateFormat(pattern);
		try {
			return sdf.parse(regdate);
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return new Date();
	}
}

 

jdbc資料庫連線池獲得工具方法。

package com.wh.utils;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ResourceBundle;

public class DBUtil {
	private static ResourceBundle resourceBundle=ResourceBundle.getBundle("resource/DBConfig");
	public static Connection getConnection() {
		Connection connection = null;
		try {
			Class.forName(resourceBundle.getString("driver"));
			try {
				connection = DriverManager.getConnection(resourceBundle.getString("url"), resourceBundle.getString("username"), resourceBundle.getString("password"));
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return connection;
	}
	
	/*public static void main(String[] args) {
		System.out.println(getConnection());
	}
	main 方法可以讓Java類測試執行
	*/
	public static void closeConnection(Connection connection,PreparedStatement preparedStatement,ResultSet resultSet) {
		if(resultSet!=null) {
			try {
				resultSet.close();
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}else if(preparedStatement!=null) {
			try {
				preparedStatement.close();
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}else if(connection!=null) {
			try {
				connection.close();
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		
	}
	}

 

註冊狀態工具方法。

package com.wh.utils;
/*
 * 註冊狀態的列舉類
 */
public enum RegisterStatus {
	SUCCESS, FAILURE, REAISTERED
}