<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> Untitled Document </title>
<Script>
Document. write (escape ("Haha") + "<br> ");
Document. write (unescape ("% u54C8 % u54C8") + "<br> ");
Document. write (encodeURIComponent ("Haha") + "<br> ");
Document. write (decodeURIComponent ("% E5 % 93% 88% E5 % 93% 88") + "<br> ");
</Script>
</Head>
<Body>
<? Php
Echo urldecode ("% E5 % 93% 88% E5 % 93% 88 ");
Echo "<br> ";
Echo rawurldecode ("% E5 % 93% 88% E5 % 93% 88 ");
Echo "<br/> ";
Echo utf8_decode ("% E5 % 93% 88% E5 % 93% 88 ");
Echo "<br/> ";
Echo "% E5 % 93% 88% E5 % 93% 88 ";
Echo "<br/> ";
Echo $ _ GET ['ac'];
Echo "<br/> ";
Echo urlencode ($ _ GET ['ac']);
?>
</Body>
</Html>