例:
package servlet;
import javax.naming.Context;
import javax.sql.DataSource;
import javax.naming.InitialContext;
//import org.apache.log4j.Logger;
import org.apache.*;
import java.sql.*;
public class Dbconn{
//private static Logger log=Logger.getLogger(Dbconn.class);
public static Connection conn = null;
public Context initCtx = null;
public static Connection getConn() {
try {
conn = DriverManager.getConnection("proxool.cityrcPool");
if(conn==null){System.out.print("+++++++++++++++++++++++");}else{
System.out.print("________________________");
}
//log.info("============获取Connection===========");
} catch (Exception e) {
//log.info("============不能获取Connectiot========");
e.printStackTrace();
}
finally{
}
return conn;
}
}
我在另一个类中:
import servlet.*;
我就可以调用了:
Connection con=Dbcon.getConn()