GET 基于报错的SQL注入(less-1) 显示:相应用户名和密码 http://127.0.0.1/sqli-labs-kali2/Less-1/?id=1 显示:报错’ ‘1’’ limit 0,1 ’ http://127.0.0.1/sqli-labs-kali2/Less-1/?id=1%27 即正常情况下(输入id=1)应是:'1’ limit 0,1 故可以推测出SQL: select username,password from 用户表 where id = '输入的id' limit 0,1; 验证: http://127.0.0.1/sqli-l...