一、數據庫jar;
二、驅動
三、數據庫URL+數據庫名稱
四、數據庫用戶名及密碼
private static final String Driver="com.microsoft.sqlserver.jdbc.SQLServerDriver";
private static final String URL="jdbc:sqlserver://localhost:1433;databaseName=Ward";
private static final String name="sa";
private static final String password="123456";
/**
* 連接數據庫
* @return
*/
public static Connection getConn() {
Connection conn=null;
try {
Class.forName(Driver);
conn=DriverManager.getConnection(URL,name,password);
System.out.println("連接數據庫成功!");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
System.out.println("鏈接驅動失敗");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
System.out.println("連接數據庫失敗");
}
return conn;
}
/**
* 關閉數據庫
* @param ret
* @param pret
* @param conn
*/
public static void CloseAll(ResultSet ret,PreparedStatement pret,Connection conn) {
if(ret!=null){
try {
ret.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
if(pret!=null){
try {
pret.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
if(conn!=null){
try {
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}