捕獲和轉換Web的工具

如何控制PDF內容的裁剪?

當 PDF 轉換中以 HTML 元素為目標時,結果將被裁切以僅顯示 HTML 元素。 然而,問題仍然是如何處理頁面的其餘部分。 應該顯示整個頁面,目標 HTML 元素位於頂部還是僅顯示 HTML 元素?

預設情況下,會顯示完整頁面,並且目標 HTML 元素顯示在頁面頂部。 如右圖所示。

然而,有時需要產生僅顯示所選 HTML 元素而不顯示頁面其餘部分的 PDF。 左側顯示了一個範例。

為此,您必須將 -1 傳遞給頁面寬度和高度參數。 然而不幸的是,這種方法更加複雜,因為在裁剪 PDF 之前必須對其進行渲染。

因此,如果預設頁面大小不夠大,無法很好地呈現 HTML 元素,您可能需要設定更大的頁面大小和/或方向,以確保其按要求正確呈現。 例如,嘗試使用 A3 或 B3 等頁面大小,或橫向方向。

自動將頁面尺寸裁切為 HTML 目標

請注意,自動調整頁面大小功能將起作用 僅由 當 HTML 元素成為目標時。

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")