当 PDF 转换中以 HTML 元素为目标时,结果将被裁剪以仅显示 HTML 元素。 然而,问题仍然是如何处理页面的其余部分。 应该显示整个页面,目标 HTML 元素位于顶部还是仅显示 HTML 元素?
默认情况下,会显示完整页面,并且目标 HTML 元素显示在页面顶部。 如右图所示。
然而,有时需要生成仅显示所选 HTML 元素而不显示页面其余部分的 PDF。 左侧显示了一个示例。
为此,您必须将 -1 传递给页面宽度和高度参数。 然而不幸的是,这种方法更加复杂,因为在裁剪 PDF 之前必须对其进行渲染。
因此,如果默认页面大小不够大,无法很好地呈现 HTML 元素,您可能需要设置更大的页面大小和/或方向,以确保其按要求正确呈现。 例如,尝试使用 A3 或 B3 等页面大小,或者横向方向。
请注意,自动调整页面大小功能将起作用 仅由 当 HTML 元素成为目标时。
GrabzItClient grabzIt = new GrabzItClient("Sign in to view your Application Key", "Sign in to view your Application Secret"); PDFOptions options = new PDFOptions(); options.TargetElement = "#Article"; options.PageWidth = -1; options.PageHeight = -1; grabzIt.URLToPDF("http://www.spacex.com", options); grabzIt.Save("http://www.mywebsite.com/Home/Handler");
GrabzItClient grabzIt = new GrabzItClient("Sign in to view your Application Key", "Sign in to view your Application Secret"); PDFOptions options = new PDFOptions(); options.setTargetElement("#Article"); options.setPageWidth(-1); options.setPageHeight(-1); grabzIt.URLToPDF("http://www.spacex.com", options); grabzIt.Save("http://www.mywebsite.com/handler");
<script src="https://cdn.jsdelivr.net/npm/@grabzit/js@3.5.2/grabzit.min.js"></script>
<script>
GrabzIt("Sign in to view your Application Key").ConvertURL("http://www.spacex.com",
{"format": "pdf", "download": 1, "target": "#Article", "height": -1, "width": -1}).Create();
</script>
var grabzit = require('grabzit'); var client = new grabzit("Sign in to view your Application Key", "Sign in to view your Application Secret"); var options = {"targetElement":"#Article","pageWidth":-1,"pageHeight":-1}; client.url_to_pdf("http://www.spacex.com", options); client.save("http://www.example.com/handler", function (error, id){ if (error != null){ throw error; } });
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItPDFOptions->new(); $options->targetElement("#Article"); $options->pageWidth(-1); $options->pageHeight(-1); $grabzIt->URLToPDF("http://www.spacex.com", $options); $grabzIt->Save("http://www.mywebsite.com/handler.pl");
$grabzIt = new \GrabzIt\GrabzItClient("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = new \GrabzIt\GrabzItPDFOptions(); $options->setTargetElement("#Article"); $options->setPageWidth(-1); $options->setPageHeight(-1); $grabzIt->URLToPDF("http://www.spacex.com", $options); $grabzIt->Save("http://www.mywebsite.com/handler.php");
grabzIt = GrabzItClient.GrabzItClient("Sign in to view your Application Key", "Sign in to view your Application Secret") options = GrabzItPDFOptions.GrabzItPDFOptions() options.targetElement = "#Article" options.pageWidth = -1 options.pageHeight = -1 grabzIt.URLToPDF("http://www.spacex.com", options) grabzIt.Save("http://www.mywebsite.com/handler.py")
https://api.grabz.it/services/convert?key=Sign in to view your Application Key&format=pdf&target=%23Article&height= -1&width=-1&url=https%3A%2F%2Fspacex.com%2F
grabzIt = GrabzIt::Client.new("Sign in to view your Application Key", "Sign in to view your Application Secret") options = GrabzIt::PDFOptions.new() options.targetElement = "#Article" options.pageWidth = -1 options.pageHeigh = -1 grabzIt.url_to_pdf("http://www.spacex.com", options) grabzIt.save("http://www.mywebsite.com/handler/index")