java - 如何修复错误包 com.mysql 不存在

Question

如何修复这个程序？

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

class MySqlData {
    public static void main(String args[]) throws Exception {
        DriverManager.registerDriver(new com.mysql.jdbcDriver());
        Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3306/test/user=root&password=merimaa");
        Statement stmt = con.createStatement();
        ResultSet res=stmt.executeQuery("Select * from employee");
        while (res.next()) {
            System.out.println(res.getString("employee_name"));
        }
        con.close();
    }
}

Answer 1

正如其他人所说:

• 你的代码没问题
• 您的错误与类路径问题有关
• 下载 MySQL java 库
• http://dev.mysql.com/downloads/connector/j/5.0.html
• 阅读文档 http://dev.mysql.com/doc/refman/5.1/en/connector-j.html