conn.java

一个基于数据库的邮件系统

package webmail;
import java.sql.*;
public class conn {
String sDBDriver = "org.gjt.mm.mysql.Driver";
String sConnStr = "jdbc:mysql://localhost/webmail";
String MyUser="inens";
   String MyPassword="inens";
Connection connect = null;
ResultSet rs = null;
public conn() {
try {
Class.forName(sDBDriver); 
}
catch(java.lang.ClassNotFoundException e) {
System.err.println( e.getMessage());
}
}
public ResultSet executeQuery(String sql) {
rs = null;
try {
connect = DriverManager.getConnection(sConnStr,MyUser,MyPassword); 
Statement stmt = connect.createStatement();
rs = stmt.executeQuery(sql);
} 
catch(SQLException ex) { 
System.err.println(ex.getMessage());
}
return rs;
}
}