package myJDBC;
import java.sql.*;
public class Demo {
public Connection Conn = null;
public Connection getConnection() throws SQLException{
try {
String Url = "jdbc:mysql://localhost:3306/test";
String Username = "root";
String Password = "123456";
Class.forName("com.mysql.jdbc.Driver");
Conn = DriverManager.getConnection(Url,Username,Password);
if(Conn!=null)
{
System.out.println("数据库连接成功");
}
} catch (ClassNotFoundException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
return Conn;
}
public static void main(String[] args) throws SQLException {
// TODO 自动生成的方法存根
Demo getDemo = new Demo();
getDemo.getConnection();
}
}
以上是我的代码,但是运行时出现以下错误:
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at myJDBC.Demo.getConnection(Demo.java:15)
at myJDBC.Demo.main(Demo.java:30)
求各位大神看看,这是怎么回事呢?