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鉴于:
CR = %0d = \r LF = %0a = \n
做什么
%3E, %3C
意思是?
它们是 URL 编码字符。%3C 是 <,%3E 是 >
有关URL 编码的更多信息,以及一些较低 ASCII 值的图表。
粘贴
javascript:alert(unescape("%3E"))
进入浏览器的地址栏并点击 Return 以找出答案;)
% 后面的两位数字是用十六进制表示的ASCII码。