@font-face{ font-family:"Times New Roman"; } @font-face{ font-family:"宋體"; } @font-face{ font-family:"Calibri"; } p.MsoNormal{ mso-style-name:正文; mso-style-parent:""; margin:0pt; margin-bottom:.0001pt; mso-pagination:none; text-align:justify; text-justify:inter-ideograph; font-family:Calibri; mso-fareast-font-family:宋體; mso-bidi-font-family:'Times New Roman'; font-size:10.5000pt; mso-font-kerning:1.0000pt; } span.msoIns{ mso-style-type:export-only; mso-style-name:""; text-decoration:underline; text-underline:single; color:blue; } span.msoDel{ mso-style-type:export-only; mso-style-name:""; text-decoration:line-through; color:red; } @page{mso-page-border-surround-header:no; mso-page-border-surround-footer:no;}@page Section0{ } div.Section0{page:Section0;}
```
public?function?lock($txt,$key='yao')
??{
??$chars?=?"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-=+";
??$nh?=?rand(0,64);
??$ch?=?$chars\[$nh\];
??$mdKey?=?md5($key.$ch);
??$mdKey?=?substr($mdKey,$nh%8,?$nh%8+7);
??$txt?=?base64\_encode($txt);
????????$tmp?=?'';
????????$i=0;$j=0;$k?=?0;
????????for?($i=0;?$i<strlen($txt);?$i++)?{
??????????$k?=?$k?==?strlen($mdKey)???0?:?$k;
??????????$j?=?($nh+strpos($chars,$txt\[$i\])+ord($mdKey\[$k++\]))%64;
??????????$tmp?.=?$chars\[$j\];
??????}
??????return?urlencode($ch.$tmp);
}
```
