<?php class ev { public $cookie; public $post; public $get; public $file; public $url; public $G; private $e; public function __construct() {if (ini_get('magic_quotes_gpc')) { //判断php.ini是否有magic_quotes_gpc过滤(转义)函数 $get = $this->stripSlashes($_REQUE
字符串前加 f(重点!敲黑板!) 作用:相当于 format() 函数 name = "帅哥" age = 12 print(f"my name is {name},age is {age}") 执行结果 my name is 帅哥,age is 12 字符串前加 r r"" 的作用是:去除转义字符 场景:想复制某个文件夹的目录,假设是 F:\Python_Easy\n4\test.py 当你不用 r"" ,你有三种写法 p