I know that this subject is quite old but I want to share my experience about that topic. Actually, I was searching a module that can help me with my daily reports. I'm writting some documentations and some reports in HTML + CSS (instead of Word, Latex, OO, ...). The objectif would be to print them on A4 paper to share it with friends, ... Instead of searching, I decided to have a small funny coding session to implement a simple lib that can handle "pages", page number, summary, header, footer, .... Finally, I did it in ~~2h and I know that's not the best tool ever but it's almost ok for my purpose. You can take a look at this project on my repo and don't hesitate to share your ideas. It's maybe not what you are searching for at 100% but I think that this module can help you.

基本上我创建了一个页面的主体“宽度:200mm;”和容器的高度:290mm(小于A4)。然后我使用了page-break-after: always;因此，浏览器的“打印”选项知道何时拆分页面。

回购:https://github.com/kursion/jsprint

为每一页创建节，并使用下面的代码来调整页边距、高度和宽度。

如果你打印的是A4尺寸。

然后用户

Size : 8.27in and 11.69 inches

@page Section1 {
    size: 8.27in 11.69in; 
    margin: .5in .5in .5in .5in; 
    mso-header-margin: .5in; 
    mso-footer-margin: .5in; 
    mso-paper-source: 0;
}

div.Section1 {
    page: Section1;
} 

然后创建一个包含所有内容的div。

<div class="Section1"> 
    type your content here... 
</div>

or

@media print {
    .page-break { 
        height: 0; 
        page-break-before: always; 
        margin: 0; 
        border-top: none; 
    }
}

body, p, a,
span, td { 
    font-size: 9pt;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    margin-left: 2em; 
    margin-right: 2em;
}

.page {
    height: 947px;
    padding-top: 5px;
    page-break-after: always;   
    font-family: Arial, Helvetica, sans-serif;
    position: relative;
    border-bottom: 1px solid #000;
}

从技术上讲，您可以这样做，但是要让所有浏览器打印出与屏幕上显示的一模一样的页面，需要做很多工作。而且，大多数浏览器强制在打印结果上输入URL、打印日期和页码，这并不总是理想的。这不能被改变或禁用。

相反，我建议根据屏幕上的内容创建一个PDF，并将PDF提供给下载和/或打印。虽然大多数可用的PDF库都是付费的，但也有一些免费的替代方案可用于创建基本的PDF。

有很多方法:

使用毫米:

html, body {
    width:  210mm;
    height: 297mm;
}

使用公分cm:

html, body {
    width:  21.0cm;
    height: 29.7cm;
}

使用点pt:

html, body {
    width:  595pt;
    height: 842pt;
}

完全可以将布局设置为a4页面的比例。你只需要设置相应的宽度和高度(可能检查窗口。innerHeight和window。虽然我不确定这是否可靠)。

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 .

显然，一旦你创建了一个A4比例的PDF打印，它将导致一个干净的A4打印页面。这是否值得投入时间是另一个问题。

A4尺寸为210x297mm

所以你可以用CSS设置HTML页面来适应这些大小:

html,body{
    height:297mm;
    width:210mm;
}