[杂项]handsome启用随机图片,将首页头图与文章头图设为一致

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if (window.location.pathname === "/") {
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    var img =document.getElementsByClassName("item-thumb lazy");
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    var a=document.getElementsByClassName("index-post-img")
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    for (var i = 0; i < a.length; i++) {
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        var yurl = a[i].getElementsByTagName("a")[0].getAttribute("href");
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        url=img[i].style.backgroundImage.split("\"")[1].split("/")[9].split(".")[0]
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        a[i].getElementsByTagName("a")[0].setAttribute("href",yurl+"?p_i="+url);
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    }
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}else if (GetQueryString("p_i")!==null) {
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    document.getElementsByClassName("item-thumb lazy")[0].style.backgroundImage="url(\"/usr/themes/handsome/usr/img/sj/"+GetQueryString("p_i")+".jpg\")"
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}
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function GetQueryString(name)
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{
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     var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
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     var r = window.location.search.substr(1).match(reg);
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     if(r!=null)return  unescape(r[2]); return null;
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}