老丁 — Thu, 04 Sep 2008 11:06:00 GMT

首先要把mysql的数据库�q�接驱动加入到工�E�当�?br /> 代码只要修改下sql语句、数据库、表以及(qi��ng)用户名和密码

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

/*
* Create Date:2008-9-4 下午02:27:36
*
* Author:dingkm
*
* Version: V1.0
*
* Description�Q�对�q�行修改的功能进行描�q?br /> *
*
*/

public class DBConnection {

//��试��L��?br /> public static void main(String[] args) {

  DBConnection db = new DBConnection();
  Connection conn = db.getConnection();
  String sql = "select * from newitem";
  ResultSet rs = db.getResultSet(sql, conn);
  try {
   while (rs.next()) {
    String title = rs.getString("title");
    System.out.println(title);
    }
  } catch (SQLException e) {

   e.printStackTrace();
  }

}

//得到Connection
public Connection getConnection() {
  Connection conn = null;
  try {
   Class.forName("com.mysql.jdbc.Driver").newInstance();

   // 建立到MySQL的连�?br />    conn = DriverManager.getConnection(
     "jdbc:mysql://localhost:3306/ding", "root", "ding");
  } catch (Exception e) {
   System.out.println("数据库连接异常！");
   e.printStackTrace();
  }
  return conn;
}

//得到ResultSet

public ResultSet getResultSet(String sql, Connection conn) {
  ResultSet rs = null;
  Statement stmt = null;
  try {
   stmt = conn.createStatement();
   rs = stmt.executeQuery(sql);
  } catch (Exception e) {
   e.printStackTrace();
  }
  return rs;
}
}

执行��可以连接数据库�?br />

老丁 2008-09-04 19:06 发表评论

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