]*>[\s\S]*?<\/script>/gi," ")
.replace(/]*>[\s\S]*?<\/style>/gi," ")
.replace(/<[^>]+>/g," ")
.replace(/\s+/g," ")
.trim();
}
function absolute(value){
try{
var u=new URL(value,location.href);
u.protocol="https:";
u.host="www.yokechina.com";
return u.href;
}catch(e){
return "";
}
}
function setMeta(selector,attributes){
var node=document.querySelector(selector);
if(!node){
node=document.createElement("meta");
document.head.appendChild(node);
}
Object.keys(attributes).forEach(function(name){
node.setAttribute(name,attributes[name]);
});
return node;
}
var timer=setInterval(function(){
tries++;
var titleNode=document.querySelector("#yk-pcat-title");
var cards=document.querySelectorAll(
"#yk-product-grid .yk-product-card"
);
if(!cards.length){
cards=document.querySelectorAll(".w-list-ul .w-list-item");
}
if(!titleNode||!cards.length){
if(tries>=40)clearInterval(timer);
return;
}
clearInterval(timer);
var canonical=SITE+
"/ProductInfoCategory?categoryId="+
encodeURIComponent(categoryId);
var canonicalNodes=document.querySelectorAll(
'link[rel="canonical"]'
);
var canonicalNode=canonicalNodes[0]||
document.createElement("link");
canonicalNode.rel="canonical";
canonicalNode.href=canonical;
if(!canonicalNode.parentNode){
document.head.appendChild(canonicalNode);
}
Array.prototype.slice.call(canonicalNodes,1)
.forEach(function(node){
node.remove();
});
var crumbNav=document.querySelector("#yk-pcat-crumbs");
var crumbParts=[];
if(crumbNav){
crumbNav.querySelectorAll("a,strong").forEach(function(node){
var name=clean(node.textContent);
var url=node.tagName==="A"?
absolute(node.href):
canonical;
if(name&&url){
crumbParts.push({
name:name,
url:url
});
}
});
}
var heading=clean(titleNode.textContent)
.replace(/产品与实验室仪器选型目录$/,"")
.replace(/产品分类$/,"")
.trim();
var category=crumbParts.length?
crumbParts[crumbParts.length-1].name:
heading;
if(!category||category==="产品分类"){
category=heading;
}
if(!category)return;
if(!crumbParts.length){
crumbParts=[
{
name:"首页",
url:SITE+"/"
},
{
name:"产品中心",
url:SITE+"/products"
},
{
name:category,
url:canonical
}
];
}
var seen={};
var items=[];
var models=[];
cards.forEach(function(card){
var link=card.querySelector(
"a.yk-product-title,a.w-list-link,.yk-product-title a"
);
if(!link)return;
var url=absolute(link.href);
if(!url||seen[url])return;
var nameNode=card.querySelector(
".yk-product-title,.w-list-title"
);
var descNode=card.querySelector(
".yk-product-desc,.w-list-desc"
);
var imageNode=card.querySelector(
".yk-product-media img,.w-list-pic img,img"
);
var name=clean(
nameNode&&nameNode.textContent||
link.textContent
);
if(!name)return;
seen[url]=true;
if(models.length<3){
models.push(name);
}
var product={
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"@id":url+"#product",
"name":name,
"url":url,
"category":category,
"brand":{
"@type":"Brand",
"name":"YOKON 佑科"
}
};
var image=absolute(
imageNode&&
(imageNode.currentSrc||imageNode.src)
);
var desc=clean(
descNode&&descNode.textContent
);
if(image)product.image=image;
if(desc)product.description=desc;
items.push({
"@type":"ListItem",
"position":items.length+1,
"item":product
});
});
if(!items.length)return;
var seoTitle=
category+"产品与选型-上海佑科";
var intro=document.querySelector(
"#yk-pcat-intro,.yk-category-intro"
);
var introText=clean(
intro&&intro.textContent
);
var modelText=models.length?
"代表产品包括"+models.join("、")+"。":
"";
var description=introText;
if(!description||description.length<45){
description=
"上海佑科提供"+category+
"产品、技术参数与实验室仪器选型支持。"+
modelText+
"适用于科研、质检、环境、食品、制药及第三方检测等实验室场景。";
}
if(description.length>155){
description=description.slice(0,152)+"…";
}
document.title=seoTitle;
setMeta('meta[name="description"]',{
name:"description",
content:description
});
setMeta('meta[property="og:title"]',{
property:"og:title",
content:seoTitle
});
setMeta('meta[property="og:description"]',{
property:"og:description",
content:description
});
setMeta('meta[property="og:url"]',{
property:"og:url",
content:canonical
});
setMeta('meta[property="og:type"]',{
property:"og:type",
content:"website"
});
var breadcrumb={
"@type":"BreadcrumbList",
"@id":canonical+"#breadcrumb",
"itemListElement":crumbParts.map(function(item,index){
return {
"@type":"ListItem",
"position":index+1,
"name":item.name,
"item":item.url
};
})
};
var itemList={
"@type":"ItemList",
"@id":canonical+"#itemlist",
"name":category+"产品列表",
"itemListOrder":
"https://schema.org/ItemListOrderAscending",
"numberOfItems":items.length,
"itemListElement":items
};
var page={
"@type":"CollectionPage",
"@id":canonical+"#webpage",
"url":canonical,
"name":category+"产品与选型",
"headline":seoTitle,
"description":description,
"inLanguage":"zh-CN",
"isPartOf":{
"@type":"WebSite",
"@id":SITE+"/#website",
"name":"上海佑科仪器仪表有限公司",
"url":SITE+"/"
},
"publisher":{
"@type":"Organization",
"@id":SITE+"/#organization",
"name":"上海佑科仪器仪表有限公司",
"url":SITE+"/"
},
"breadcrumb":{
"@id":canonical+"#breadcrumb"
},
"mainEntity":{
"@id":canonical+"#itemlist"
},
"about":{
"@type":"DefinedTerm",
"name":category
}
};
document.querySelectorAll(
"#yokon-category-schema"
).forEach(function(node){
node.remove();
});
var output=document.createElement("script");
output.type="application/ld+json";
output.id="yokon-category-schema";
output.textContent=JSON.stringify({
"@context":"https://schema.org",
"@graph":[
page,
breadcrumb,
itemList
]
});
document.head.appendChild(output);
},250);
})();
