js获取url参数
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<script type="text/javascript">
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function $G(){
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var Url=top.window.location.href;
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var u,g,StrBack='';
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if(arguments[arguments.length-1]=="#")
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u=Url.split("#");
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else
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u=Url.split("?");
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if (u.length==1) g='';
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else g=u[1];
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if(g!=''){
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gg=g.split("&");
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var MaxI=gg.length;
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str = arguments[0]+"=";
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for(i=0;i<MaxI;i++){
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if(gg[i].indexOf(str)==0) {
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StrBack=gg[i].replace(str,"");
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break;
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}
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}
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}
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return StrBack;
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}
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</script>
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上边个函数可以放在外部js文件、head、body等未知皆可
使用参考:
例:想获取URL http://www.xker.com/?ip=202.201.0.137 中IP这个参数的内容
<script type="text/javascript">
var IP=$G("IP")
//之后你可以将IP用来alert、write等,总之可以最为一个变量随便使用了
</script>
可以歇歇了!!