我需要创建一个自动执行 Google 搜索的屏幕。
我了解 JavaScript 并且我正在努力让 GSE 工作。
我有一个搜索引擎和一个 API 密钥。
问题是谷歌的文档是循环的,即页面相互指向。
没有可以让我开始研究的工作样本。
如果您知道工作示例,请提供帮助。
我读过的文件有:
-
cselement-开发指南 https://developers.google.com/custom-search/docs/js/cselement-devguide
- 介绍 https://developers.google.com/custom-search/docs/tutorial/introduction
我知道这是一个老问题,但这是我所做的,使 API 结果的格式类似于 Google Site Search 过去提供的格式,因为它们正在结束付费帐户并且现在将有广告。 API 方式可以选择为每天超过 100 次搜索付费,因此可以继续使用,但仍然必须格式化结果,并使用现有的方式构建 css 来执行类似的样式。
进入此页面的搜索表单很简单:
<form action="search-results.htm" id="cse-search-box">
<div>
<input class="" name="q" type="text">
<input class="" type="submit">
</div>
</form>
然后是搜索结果页面:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>JSON/Atom Custom Search API Example</title>
<!--<link href="default.css" rel="stylesheet" type="text/css">-->
<link href="google.css" rel="stylesheet" type="text/css">
</head>
<body>
<div class="gsc-result-info" id="resInfo-0"></div>
<hr/>
<div id="googleContent"></div>
<script>
//Handler for response from google.
function hndlr(response) {
if (response.items == null) {
//Sometimes there is a strange thing with the results where it says there are 34 results/4 pages, but when you click through to 3 then there is only 30, so page 4 is invalid now.
//So if we get to the invalid one, send them back a page.
window.location.replace("searchresults.htm?start=" + (start - 10) + "&q=" + query);
return;
}
//Search results load time
document.getElementById("resInfo-0").innerHTML = "About " + response.searchInformation.formattedTotalResults + " results (" + response.searchInformation.formattedSearchTime + " seconds)";
//Clear the div first, CMS is inserting a space for some reason.
document.getElementById("googleContent").innerHTML = "";
//Loop through each item in search results
for (var i = 0; i < response.items.length; i++) {
var item = response.items[i];
var content = "";
content += "<div class='gs-webResult gs-result'>" +
"<table class='gsc-table-result'><tbody><tr>";
//Thumbnail image
if (item.pagemap.cse_thumbnail != null)
content += "<td class='gsc-table-cell-thumbnail gsc-thumbnail'><div class='gs-image-box gs-web-image-box gs-web-image-box-portrait'><a class='gs-image' href='" + item.link + "'>" +
"<img class='gs-image' class = 'gs-image-box gs-web-image-box gs-web-image-box-portrait' src='" + item.pagemap.cse_thumbnail[0].src + "'></a></td>";
//Link
content += "<td><a class='gs-title' href='" + item.link + "'>" + item.htmlTitle + "</a><br/>";
//File format for PDF, etc.
if (item.fileFormat != null)
content += "<div class='gs-fileFormat'><span class='gs-fileFormat'>File Format: </span><span class='gs-fileFormatType'>" + item.fileFormat + "</span></div>";
//description text and URL text.
content += item.htmlSnippet.replace('<br>','') + "<br/><div class='gs-bidi-start-align gs-visibleUrl gs-visibleUrl-long' dir='ltr' style='word-break:break-all;'>" + item.htmlFormattedUrl +"</div>" +
"<br/></td></tr></tbody></table></div>";
document.getElementById("googleContent").innerHTML += content;
}
//Page Controls
var totalPages = Math.ceil(response.searchInformation.totalResults / 10);
console.log(totalPages);
var currentPage = Math.floor(start / 10 + 1);
console.log(currentPage);
var pageControls = "<div class='gsc-results'><div class='gsc-cursor-box gs-bidi-start-align' dir='ltr'><div class='gsc-cursor'>";
//Page change controls, 10 max.
for (var x = 1; x <= totalPages && x<=10; x++) {
pageControls += "<div class='gsc-cursor-page";
if (x === currentPage)
pageControls += " gsc-cursor-current-page";
var pageLinkStart = x * 10 - 9;
pageControls+="'><a href='search-results.htm?start="+pageLinkStart+"&q="+query+"'>"+x+"</a></div>";
}
pageControls += "</div></div></div>";
document.getElementById("googleContent").innerHTML += pageControls;
}
//Get search text from query string.
var query = document.URL.substr(document.URL.indexOf("q=") + 2);
var start = document.URL.substr(document.URL.indexOf("start=") + 6, 2);
if (start === "1&" || document.URL.indexOf("start=") === -1)
start = 1;
//Load the script src dynamically to load script with query to call.
// DOM: Create the script element
var jsElm = document.createElement("script");
// set the type attribute
jsElm.type = "application/javascript";
// make the script element load file
jsElm.src = "https://www.googleapis.com/customsearch/v1?key=yourApikeyhere&cx=yoursearchengineidhere&start="+start+"&q=" +query +"&callback=hndlr";
// finally insert the element to the body element in order to load the script
document.body.appendChild(jsElm);
</script>
</body>
</html>
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