package?qxz;
import?java.sql.*;
import?javax.swing.JComboBox;
import?javax.swing.JList;
import?javax.swing.JOptionPane;
import?javax.swing.table.DefaultTableModel;
public?class?Database?{
public?static?Connection?cn;
public?static?Statement?st;
public?static?Statement?st2;
public?static?ResultSet?rs;
public?static?String?dbms;
//?below?for?SQL?Server
static?String?user?=?ConfigIni.getIniKey?（“UserID“）;
static?String?pwd??=?ConfigIni.getIniKey?（“Password“）;
static?String?ip???=?ConfigIni.getIniKey?（“IP“）;
static?String?acc??=?ConfigIni.getIniKey?（“Access“）;
static?String?dbf??=?ConfigIni.getIniKey?（“Database“）;
//?below?for?Oracle
static?String?UID=ConfigIni.getIniKey?（“UID“）;
static?String?Passd=ConfigIni.getIniKey?（“Passd“）;
static?String?Server=ConfigIni.getIniKey?（“Server“）;
static?String?DB=ConfigIni.getIniKey?（“DB“）;
static?String?Port=ConfigIni.getIniKey?（“Port“）;
//?below?for?MySQL
static?String?UID2=ConfigIni.getIniKey?（“UID2“）;
static?String?Passd2=ConfigIni.getIniKey?（“Passd2“）;
static?String?Server2=ConfigIni.getIniKey?（“Server2“）;
static?String?DB2=ConfigIni.getIniKey?（“DB2“）;
static?String?Port2=ConfigIni.getIniKey?（“Port2“）;
//?below?for?PostgreSQL
static?String?UID3=ConfigIni.getIniKey?（“UID3“）;
static?String?Passd3=ConfigIni.getIniKey?（“Passd3“）;
static?String?Server3=ConfigIni.getIniKey?（“Server3“）;
static?String?DB3=ConfigIni.getIniKey?（“DB3“）;
static?String?Port3=ConfigIni.getIniKey?（“Port3“）;
static?{
	??try?{
	????if（ConfigIni.getIniKey?（“Default_link“）.equals?（“1“））?{//JDBC--SQL?Server?2005
		??DriverManager.registerDriver?（new?com.microsoft.sqlserver.jdbc.SQLServerDriver（））;??//注冊驅動
		??String?url=“jdbc:sqlserver://“+ip+“:“+acc+“;“+“databasename=“+dbf;//獲得一個連接
		??cn?=?DriverManager.getConnection?（url?user?pwd）;
		??dbms=“SQL?Server“;
		}
		else?if（ConfigIni.getIniKey?（“Default_link“）.equals?（“2“））?{//JDBC-SQL?Server?2000
			DriverManager.registerDriver?（new?com.microsoft.jdbc.sqlserver.SQLServerDriver（））;?//注冊驅動
			String?url??=?“jdbc:microsoft:sqlserver://“?+?ip?+?“:“?+?acc?+?“;“?+?“databasename=“?+?dbf;???//獲得一個連接
			cn?=?DriverManager.getConnection?（url?user?pwd）;
			dbms=“SQL?Server“;
		}
		else?if（ConfigIni.getIniKey?（“Default_link“）.equals?（“4“））?{//JDBC-ODBC?to?Oracle
			DriverManager.registerDriver（new?sun.jdbc.odbc.JdbcOdbcDriver（））;
			cn?=?DriverManager.getConnection?（“jdbc:odbc:“+ConfigIni.getIniKey（“linkNameORA“）.trim（）UIDPassd）;?//獲得一個連接
			dbms=“Oracle“;
		}
		else?if（ConfigIni.getIniKey?（“Default_link“）.equals?（“5“））?{//JDBC?to?Oracle
?		???DriverManager.registerDriver（new?oracle.jdbc.driver.OracleDriver（））;
		???String?url?=?“jdbc:oracle:thin:@“+Server+“:“+Port+“:“+DB;
		???cn?=DriverManager.getConnection?（url?UID?Passd）;
		???dbms=“Oracle“;
		}
		else?if（ConfigIni.getIniKey（“Default_link“）.equals?（“6“））?{//JDBC?to?MySQL
		???try?{?Class.forName（“com.mysql.jdbc.Driver“）.newInstance（）;
		???}?catch?（Exception?ex）?{??}
	????????String?ur