编码示例
如下是一个包含需要保护的 JScript 代码的简短示例：
<HTML>
<HEAD>
<TITLE>脚本编码器示例页</TITLE>
<SCRIPT LANGUAGE="JScript">
<!--//
//Copyright© 1998 Microsoft Corporation. All Rights Reserved.
//**开始编码**
function verifyCorrectBrowser(){
if(navigator.appName == "Microsoft Internet Explorer")
if (navigator.appVersion.indexOf ("5.") >= 0)
return(true);
else
return(false);
}
function getAppropriatePage(){
var str1 = "Had this been an actual Web site, a page compatible with ";
var str2 = "browsers other than ";
var str3 = "Microsoft Internet Explorer 5.0 ";
var str4 = "would have been loaded.";
if (verifyCorrectBrowser())
document.write(str1 + str3 + str4);
else
document.write(str1 + str2 + str3 + str4);
}
//-->
</SCRIPT>
</HEAD>
<BODY onload="getAppropriatePage()">
</BODY>
</HTML>
该页在经脚本编码器运行后如下所示：
<HTML>
<HEAD>
<TITLE>脚本编码器示例页</TITLE>
<SCRIPT LANGUAGE="JScript.Encode">
<!--//
//Copyright© 1998 Microsoft Corporation. All Rights Reserved.
//**开始编码**#@~^QwIAAA==@#@&0; mDkW P7nDb0zZKD.n1YAMGhk+Dvb`@#@&P,kW`UC7kLlDGDcl22gl:n~{'~Jtr1DGkW6YP&xDnD +OPA62sKD+ME#@#@&P,~~k6PvxCrLmYGDcCwa.n.kkWU bx+X66Pcr*cJ#,@*{~!*P~P,P~.YEMU`DDEbIP,P,+s/n@#@&P~P,~PM+O;Mx`WC^/n#pN6EU1YbWx,oObaw.WaDrCD+nmL+v# @#@&~P7lMPdY.q,'~J_CN,Y4rkP4nn PCx,C1Y;mV,+(PkrY~~l,wCLPmKhwmYk(snPSkDt~JI@#@&P~m.PkY.+,'PE8MWA/.kPGDtDPDtmUPri@#@&,P-CMP/D.&,'PrrmMWkWWY~( YnD nY,2a2^WDn.,* !,Ep@#@&,P7lD,/D.c,'~JSW;s9Ptm-+,4+U~VKl9+[REI,Pr0,cDrWHZW..mOAMGS/nM`*#@#@&P,~P9W^Es+UOchDbO+v/YMq~_,/DDfPQ~kY.c*IP,+sd@#@&~~,P[W1;s+UDRSDkD+vdYMF~_,/O.yP_,dYM&P3~dYMc*iNz&R @*^#~@
//-->
</SCRIPT>
</HEAD>
<BODY onload="getAppropriatePage()">
</BODY>
</HTML>
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要点 ：经过编码后，如果您改动编码后的文本，哪怕只改动一个字。脚本的完整性就会丢失，从而不能再使用。
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