smsdb.java

sms的数据库sql,acce

package solink;
import java.sql.*;

public class smsdb {
  String sDBDriver = "sun.jdbc.odbc.JdbcOdbcDriver";
  String sConnStr = "jdbc:odbc:smsdb";
  private Connection conn = null;
  private Statement stmt = null;
  ResultSet rs = null;

  public smsdb() {
    try {
      Class.forName(sDBDriver); 
    }
    catch(java.lang.ClassNotFoundException e) {
      System.err.println("smsdb(): " + e.getMessage());
    }
  }
  
  public ResultSet executeQuery(String sql) {
    rs = null;
    try {
    conn = DriverManager.getConnection(sConnStr,"sa",""); 
    stmt = conn.createStatement();
    rs = stmt.executeQuery(sql);
    } 
    catch(SQLException ex) { 
      System.err.println("aq.executeQuery: " + ex.getMessage());
    }
    return rs;
  }
  
  public void executeUpdate(String sql) {
    stmt = null;
    rs=null;
    try {
    conn = DriverManager.getConnection(sConnStr,"sa",""); 
    stmt = conn.createStatement();
    stmt.executeQuery(sql);
    stmt.close();
    conn.close();
    } 
    catch(SQLException ex) { 
      System.err.println("aq.executeQuery: " + ex.getMessage());
    }
  }

  public void closeStmt(){
    try{
      stmt.close();
     }
    catch(SQLException e){
      e.printStackTrace();
     }
  }
  public void closeConn(){
    try{
      conn.close();
     }
    catch(SQLException e){
      e.printStackTrace();
     }
  }
}