- package dao;
- import java.sql.*;
- public class BaseDao {
- //oracle
- // private static final String Dirver="oracle.jdbc.driver.OracleDriver";
- // private static final String URL="jdbc:oracle:thin:@localhost:1521:XE";
- // private static final String name="admin";
- // private static final String pass="123";
- //sqlserver
- // private static final String Dirver="com.microsoft.sqlserver.jdbc.SQLServerDriver";
- // private static final String URL="jdbc:sqlserver://localhost:1433;DatabaseName=TBLdb";
- // private static final String name="sa";
- // private static final String pass="sa";
- //mysql
- private static final String Dirver="com.mysql.jdbc.Driver";
- private static final String URL="jdbc:mysql://127.0.0.1:3306/school";
- private static final String name="root";
- private static final String pass="123456";
- public Connection getCconnection()
- {
- Connection conn=null;
- try {
- Class.forName(Dirver);
- conn=DriverManager.getConnection(URL,name,pass);
- } catch (Exception e) {
- e.printStackTrace();
- }
- return conn;
- }
- public void closAll(Connection conn,PreparedStatement ps,ResultSet rs)
- {
- try {
- if(null!=rs)
- rs.close();
- if(null!=ps)
- ps.close();
- if(null!=conn)
- conn.close();
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- public int executeUpdate(String sql,String parms[])
- {
- Connection conn=null;
- PreparedStatement ps=null;
- int result=-1;
- try {
- conn=getCconnection();
- ps=conn.prepareStatement(sql);
- if(null!=parms){
- for(int i=0;i<parms.length;i++){
- ps.setString(i+1,parms[i]);
- }
- }
- result=ps.executeUpdate();
- execute();
- } catch (Exception e) {
- System.out.println(e.getMessage());
- }finally{
- closAll(conn, ps, null);
- }
- return result;
- }
- public static void main(String[] args)throws Exception
- {
- BaseDao b=new BaseDao();
- Connection con=b.getCconnection();
- System.out.println(con.isClosed());
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/1704201512312.html
来源: http://www.codesnippet.cn/detail/1704201512312.html