PDF24 Javascript PDF API
Khái quát
PDF24.org provides a free PDF generation service to create PDF files. This Javascript API is an interface to this service.
The API has been developed for blogs, foren, wiki systems and other article-based internet software to create PDF files in an easy way. Developer of blogs, foren and wiki systems can use this API to provide a PDF button.
The API has been developed for blogs, foren, wiki systems and other article-based internet software to create PDF files in an easy way. Developer of blogs, foren and wiki systems can use this API to provide a PDF button.
API Location
The API is located at https://doc2pdf.pdf24.org/js/api.js.
Class References
There are two main Javascript classes which have to be used to create a PDF files. The class PDF24Doc provides the functionality
to manage general document content such as document title or document url and provides methods to add elements to the document.
The class PDF24Element represents a content element inside a PDF24Doc document. A content element is a container holding some data such as a title and a html body.
The following table illustrates that:
The class PDF24Element represents a content element inside a PDF24Doc document. A content element is a container holding some data such as a title and a html body.
The following table illustrates that:
PDF24Doc
PDF24Element 1
PDF24Element 2
PDF24Element 3
Class PDF24Doc
Parameters
charset
The charset of the document. Default is ISO-8859-1. Curently supported values are
ISO-8859-1 and UTF-8.headline
The headline of the document.
headlineUrl
The headline url of the headline.
baseUrl
The baseUrl of the document. This url is important if you use relative links in
body content of elements. This url is used to resolve relative links to find images and other content.
filename
The filename of the created PDF file e.g. myFileName.
pageSize
The size of each page in the document. The size is encoded as WIDTHxHEIGHT whereas WIDTH is the width of
each page in mm and HEIGHT is the height of each page in mm. The default width is 210mm and the default height is 297mm which represents
an ISO A4 page.
Constructors
PDF24Doc()
Creates a document object with no parameters. Use the setXX methods to set parameters later.
PDF24Doc(params)
Creates a document object and initialized the document parameters with the parameters given in
paramsMethods
addElement(element)
Adds the element
element to the PDF document.setParam(paramKey, paramValue)
Sets a document parameter with the key
paramKey and the value paramValue.getParam(paramKey)
Returns the document parameter with the key
paramKey.setCharset(charset)
Sets the
charset parameter of the document to charset. The default charset is ISO-8859-1.setHeadline(headline)
Sets the
headline parameter of the document to headline.setHeadlineUrl(headlineUrl)
Sets the
headlineUrl parameter of the document to headlineUrl.setBaseUrl(baseUrl)
Sets the
baseUrl parameter of the document to baseUrl.setFilename(filename)
Sets the
filename parameter of the document to filename.setPageSize(width, height)
Sets the
pageSize parameter of the document to width, height.create()
This method packs all given parameters into a formular and submits it in a popup window to the PDF24.org PDF creation service.
The service checks the parameters and creates the PDF file. Status methods are printed to the popup window so that the user can see PDF creation status.
Class PDF24Element
Parameters
title
The title of the element.
url
The url of the element. The title and the url are used to form a link.
author
The author of the elements content.
dateTime
A timestamp (Any string that represents a timestamp, e.g. date and time or only date or time)
body
The content of the element. Can be plain or html formated text.
Constructors
PDF24Element()
Creates an element with no parameters. Use the setXX methods to set parameters later.
Methods
setTitle(title)
Sets the
title parameter of the element to title.setUrl(url)
Sets the
url parameter of the element to url. The title and the url together form a link.setAuthor(author)
Sets the
author parameter of the element to author.setDateTime(dateTime)
Sets the
dateTime parameter of the element to dateTime.setBody(body)
Sets the
body parameter of the element to body. body can be plain or html formatted text.Code Samples
Include the Javscript PDF API in you document by adding the following line to your webpage:
<script type="text/javascript" src="http://doc2pdf.pdf24.org/js/api.js"></script>
/*
* Create a document with parameters
*/
var doc = new PDF24Doc({
charset : "UTF-8",
headline : "This ist the headline",
headlineUrl : "http://www.pdf24.org",
baseUrl : "http://www.pdf24.org",
filename : "test",
pageSize : "210x297"
emailTo : "stefanz@pdf24.org",
emailFrom : "stefanz@pdf24.org",
emailSubject: "Here is your created PDF files",
emailBody: "The created PDF file is attached to this email. Regards www.pdf24.org!"
emailBodyType: "text"
});
/*
* Add an element without using PDF24Element
*/
doc.addElement({
title : "This is a title",
url : "http://www.pdf24.org",
author : "Stefan Ziegler",
dateTime : "2010-04-15 8:00",
body : "THis is the content of the element"
});
/*
* Create the PDF file
*/
doc.create();
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