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();
}
}
}