• 单独java 程序连接Mysql数据库


    编辑器加载中...步骤: 1.下载安装mysql

    2.下载mysql驱动的jar包,我的版本为:mysql-connector-java-5.1.10-bin.jar

     3.讲上面的jar包文件复制到jdk安装目录,D:\Program Files\Java\jdk1.6.0_23\jre\lib\ext 下面,我的安装目录是D盘,其他盘类似。

     4.修改环境变量classpath,添加下面的内容: ;D:\Program Files\Java\jdk1.6.0_23\jre\lib\ext\mysql-connector-java-5.1.10-bin.jar , 即jar包目录和jar包文件名字。

     5.写代码测试 代码如下:

    /** * 单独的java程序连接mysql数据库

    * author:JavaAlpha

    * date :2011-3-31 20:48:28

    * IDE:EmEditor Version 9.16

    */

    import java.sql.*;

     public class Test {

     public static void main(String[] args){

    String driver = "com.mysql.jdbc.Driver";

    String url = "jdbc:mysql://127.0.0.1:3306/test";

    String user = "root";

     String password = "123456";

    try {

    Class.forName(driver);

    Connection conn = DriverManager.getConnection(url, user, password);

     if(!conn.isClosed())

    System.out.println("Succeeded connecting to the Database!");

     Statement statement = conn.createStatement();

     String sql = "select * from t_user order by id desc";

    ResultSet rs = statement.executeQuery(sql);

     String name = null;

    while(rs.next()) {

    name = rs.getString("sourse");

     System.out.println(rs.getString("id")+"\t"+rs.getString("href") + "\t" + name + "\t" + rs.getString("title")+"\t"+rs.getString("time"));

     }

     rs.close();

    conn.close();

    } catch(ClassNotFoundException e) {

    System.out.println("Sorry,can`t find the Driver!");

    e.printStackTrace();

     } catch(SQLException e) {

    e.printStackTrace();

    } catch(Exception e) {

    e.printStackTrace();

      }

      }

    }

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  • 原文地址:https://www.cnblogs.com/hongten/p/2039961.html
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