在java程序中连接mysql，先要到mysql的网站上面去下载驱动，并且安装，默认安装在c盘（我的都是默认安装，目录为C:\Program Files\MySQL\MySQL Connector J），如果mysql也是默认安装的话，刚安装的路径在mysql目录下面，地址为http://www.mysql.com/products/connector/，如果是java，则下载JDBC Driver for MySQL (Connector/J)
下载完成安装完成后，在开发工具里引入安装好后目录下的mysql-connector-java-5.1.30-bin.jar，引入后代码如下：
package com.jll.model;
import java.sql.Connection;
import java.sql.DriverManager;
import
java.sql.ResultSet;
import java.sql.SQLException;
import
java.sql.Statement;
import java.util.LinkedList;
import
java.util.List;
public class Driver {
public static void main(String[]
args) {
Connection conn =
null;
Statement stmt =
null;
ResultSet rs =
null;
List list = new
LinkedList();
try
{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost/mydata?"
+
"user=root&password=root");
stmt =
conn.createStatement();
rs = stmt.executeQuery("SELECT * FROM
article");
} catch
(ClassNotFoundException e)
{
e.printStackTrace();
} catch
(SQLException e)
{
e.printStackTrace();
}
try
{
while(rs.next()){
int i =
rs.getInt("id");
list.add(i);
}
} catch (SQLException e)
{
e.printStackTrace();
}finally{
try
{
rs.close();
stmt.close();
conn.close();
} catch (SQLException e)
{
e.printStackTrace();
}
}
for(int i =
0;i<list.size();i++){
System.out.println(list.get(i));
}
}
}