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How to make a HTML Page in A4 paper size page(s)?

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有刺的猬
有刺的猬 2020-11-22 16:30

Is it possible to make a HTML page behave, for example, like a A4-sized page in MS Word?

Essentially, I want to be able to show the HTML page in the browser, and out

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15条回答
  • 陌清茗
    2020-11-22 17:10

    I've used HTML to generate reports which print-out correctly at real sizes on real paper.

    If you carefully use mm as your units in the CSS file you should be OK, at least for single pages. People can screw you up by changing the print zoom in their browser, though.

    I seem to remember everything I was doing was single page, so I didn't have to worry about pagination - that might be much harder.

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  • 爱一瞬间的悲伤
    2020-11-22 17:13

    It would be fairly easy to force the web browser to display the page with the same pixel dimensions as A4. However, there may be a few quirks when things are rendered.

    Assuming your monitors display 72 dpi, you could add something like this:

    <!DOCTYPE html>
<html>
  <head>
    <style>
    body {
        height: 842px;
        width: 595px;
        /* to centre page on screen*/
        margin-left: auto;
        margin-right: auto;
    }
    </style>
  </head>
  <body>
  </body>
</html>
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  • 野性不改
    2020-11-22 17:13

    PPI and DPI make absolutely no difference to how a document will print off a browser. the printer takes no information on screen dot pitch or the DPI of the images etc. if you are printing images they would print at a size similar in proportion to how they are displayed on screen. the print processor of the browser would increase the DPI of the images from something rather low like 72dpi to whatever DPI the rest of the document is. say the image displays as half a page wide, then its about 4" wide physically. the pixel width of the image would be approx 300px to display correctly in the browser. by the time it prints at a nominal 300DPI, the processor has added pixels and the image will grow to around 1200px which at 300 DPI is 4".

    when it comes to vector or non pixel based elements like text, the printer chooses its own DPI from the driver which doesnt relate to screen dot pitch or browser width etc. if the browser is 3000px wide, the print processor will wrap text as appropriate.

    heres what makes it hard about creating print displays: each browser and printer will interpret text sizes (pt, em, px) and spacing in its own way. depending on what printer, browser and maybe even OS you use, you will get a different amount of lines and characters per page. so even if you test on your computer using your browser and printer and figure out that you can display the text in a box at 640x900px and its perfect on print, the next guy who tries to print will possibly get it printing differently. there really is no way to force each printer and browser to get it identical each time.

    forget pixels and moreso forget DPI, the only thing you could use pixels for is setting a table width that simulates the width of a printable area on your printer. in that case i found that 640px wide is close.

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  • 天命终不由人
    2020-11-22 17:15

    I saw this solution after searching at google, search for "A4 CSS page template" (codepen.io). It shows an A4 (A3,A5, also portrait) sized area in the browser, using the <page> tag. Inside this tag the content is shown, but absolute position is still with respect to browser area.

    body {
  background: rgb(204,204,204); 
}
page {
  background: white;
  display: block;
  margin: 0 auto;
  margin-bottom: 0.5cm;
  box-shadow: 0 0 0.5cm rgba(0,0,0,0.5);
}
page[size="A4"] {  
  width: 21cm;
  height: 29.7cm; 
}
page[size="A4"][layout="portrait"] {
  width: 29.7cm;
  height: 21cm;  
}
@media print {
  body, page {
    margin: 0;
    box-shadow: 0;
  }
}
    <page size="A4">A4</page>
<page size="A4" layout="portrait">A4 portrait</page>

    This works for me without any other css/js-library to be included. Works for current browsers (IE, FF, Chrome).

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  • 悲&欢浪女
    2020-11-22 17:15 
    <html>
<head>
    <meta http-equiv="content-type" content="text/html; charset=windows-1252"/>
    <title>DIN A4 Page</title>
    <style type="text/css">
        @page { size: 21cm 29.7cm; margin: 2cm }
        p { line-height: 120%; text-align: justify; background: transparent }
    </style>
</head>
<body>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do
eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim
ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut
aliquip ex ea commodo consequat. Duis aute irure dolor in
reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla
pariatur. Excepteur sint occaecat cupidatat non proident, sunt in
culpa qui officia deserunt mollit anim id est laborum.</p>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do
eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim
ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut
aliquip ex ea commodo consequat. 
</p>
</body>
</html>
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  • 有刺的猬
    2020-11-22 17:16

    It's entirely possible to set your layout to assume the proportions of an a4 page. You would only have to set width and height accordingly (possibly check with window.innerHeight and window.innerWidth although I'm not sure if that is reliable).

    The tricky part is with printing A4. Javascript for example only supports printing pages rudimentarily with the window.print method. As @Prutswonder suggested creating a PDF from the webpage probably is the most sophisticated way of doing this (other than supplying PDF documentation in the first place). However, this is not as trivial as one might think. Here's a link that has a description of an all open source Java class to create PDFs from HTML: http://www.javaworld.com/javaworld/jw-04-2006/jw-0410-html.html .

    Obviously once you have created a PDF with A4 proportions printing it will result in a clean A4 print of your page. Whether that's worth the time investment is another question.

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