SQL注入

package org.west.demo;

import java.sql.*;

//   Driver  驱动
public class TestJdbc {
      public static void main(String[] args) throws ClassNotFoundException, SQLException {
          Class.forName("com.mysql.jdbc.Driver");
          Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbcstudy", "root", "123456");

          Statement statement = connection.createStatement();

          String sql="delete from users where id=2 or 1=1";
          statement.execute(sql);



      }

}