数字型 0-9
查询语句:
$sql"select * from sy_guestbook where id$i"; 字符型 a-z 中文 标点符号 加入了单引号
查询语句:
$sql"select * from sy_guestbook where gTpl$g";
simple order by 16--select * from sy_guestbook w…
DROP DATABASE IF EXISTS zengwenfeng;CREATE DATABASE zengwenfeng DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS 0;USE zengwenfeng; 脚本天天少这些,天天找这段!