运行出现异常，怎么解决？

Question

代码：package com.jdbc;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.Statement;public class Jdbc {  private static final String URL ="jdbc:mysql://127.0.0.1:3306/lee";  private static final String USER="root";  private static final String PASSWORD ="123";     public static void main (String[ ]  args) throws Exception    {              //1.加载驱动程序 Class.forName("com.mysql.jdbc.Driver"); //2.获得数据库的连接 Connection conn = DriverManager.getConnection(URL, USER, PASSWORD); //3.通过数据库的连接操作数据库，实现增删改查； Statement stat = conn.createStatement(); ResultSet rs = stat.executeQuery("select  user_name,age  from immoc_goddess"); while (rs.next()) { System.out.println(rs.getString("user_name")+","+rs.getString("age")); }     }}下面是异常；异常：Exception in thread "main" java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:169) at com.jdbc.Jdbc.main(Jdbc.java:17)

Answer 1

你是不是忘了mysql的jar包啊