blocks|key|205707|text|选项1：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|205708|我还没有测试过，但我在这里找到了另一个答案：https://stackoverflow.com/a/4096547/2528978|offset|length|205709|假设您可以使用以下内容：|205710|<style+type="text/css"+media="print">
+++body+*{display:none}
+++iframe{display:block}
</style>|code-block|syntax|javascript|205711|那么就只显示pdf了？|205712|选项2：|205713|创建一个指向pdf文件的超链接，上面写着“打印我”。|205714|<a+href='Path/To/PDF'>Print+Me</a>|205715|希望这能帮到你。|205716|-Andrew|205717|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/4096547/2528978^0|0|M|17|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|17|8|@]|9|@$D|18|E|19|1|1A]]|A|$]]|$1|F|3|G|5|6|7|1B|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|1C|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|1D|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1E|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1F|8|@]|9|@]|A|$]]|$1|S|3|T|5|J|7|1G|8|@]|9|@]|A|$K|L]]|$1|U|3|V|5|6|7|1H|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|1I|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]]|Z|$10|$5|11|12|13|A|$14|15]]]]

Option 1: 

I haven't tested this but I found another answer here: <a href="https://stackoverflow.com/a/4096547/2528978">https://stackoverflow.com/a/4096547/2528978</a>

Assuming that you could use the following:

<pre><code>&lt;style type="text/css" media="print"&gt;
 body *{display:none}
 iframe{display:block}
&lt;/style&gt;
</code></pre>

So then just the pdf is displayed?

Option 2:

Make a hyperlink to the pdf file that says "Print me"

<pre><code>&lt;a href='Path/To/PDF'&gt;Print Me&lt;/a&gt;
</code></pre>

Hope this helps...

-Andrew

blocks|key|2841188|text|您可以直接使用窗口打印选项。使用onclick选项|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2841189|onclick="javascript:window.print();“|2841190|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

You can use directly window print option.
use onclick option 

onclick="javascript:window.print();"

blocks|key|207632|text|这似乎起作用了：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|207633|+++<style+type="text/css"+media="print">
+++body+*{display:none}
+++iframe{display:block}
+++</style>|code-block|syntax|javascript|207634|那么就只显示pdf了？|207635|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

This seems to be working:

<pre><code> &lt;style type="text/css" media="print"&gt;
 body *{display:none}
 iframe{display:block}
 &lt;/style&gt;
</code></pre>

So then just the pdf is displayed?

blocks|key|3054196|text|正如此similar+question答案中所建议的，您可以这样做：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3054197|window.frames.pdfFrame.print();|code-block|syntax|javascript|3054198|这应该可以解决您的问题。|3054199|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/10654200/2374649^0|3|G|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|F|7|W|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|X|8|@]|9|@]|C|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

As suggested in this answer for a <a href="https://stackoverflow.com/a/10654200/2374649">similar question</a>, you could do this:

<pre><code>window.frames.pdfFrame.print();
</code></pre>

This should solve your problem.

blocks|key|203387|text|我一直在努力寻找一种既适用于IE又适用于Chrome的解决方案。这对我来说很有效：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|203388|$(function()+{
++++var+ua+=+window.navigator.userAgent;
++++var+msie+=+ua.indexOf('MSIE+');
++++var+trident+=+ua.indexOf('Trident/');
++++var+edge+=+ua.indexOf('Edge/');
++++var+url+=+'/url/to/file.pdf';
++++var+pdf+='';
++++var+style+=+'position:fixed;+top:0px;+left:0px;+bottom:0px;+right:0px;+width:100%25;+height:100%25;+border:none;+margin:0;+padding:0;+overflow:hidden;';

++++if(msie+>+0+%7C%7C+trident+>+0+%7C%7C+edge+>+0){
++++++++pdf+=+'<object+data="'+%2B+url+%2B+'"+name="print_frame"+id="print_frame"+style="'+%2B+style+%2B+'"+type="application/pdf">';
++++}
++++else{
++++++++pdf+='<iframe+src="'+%2B+url+%2B+'"+name="print_frame"+id="print_frame"+style="'+%2B+style+%2B+'"></iframe>';
++++}

++++$(document.body).append(pdf);

++++setTimeout(function(){
++++++++window.frames["print_frame"].focus();
++++++++window.frames["print_frame"].print();
++++},2000);
});|code-block|syntax|javascript|203389|...cheers。|203390|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I have struggled a bit to find a solution that works for both IE and Chrome. This works for me:

<pre><code>$(function() {
 var ua = window.navigator.userAgent;
 var msie = ua.indexOf('MSIE ');
 var trident = ua.indexOf('Trident/');
 var edge = ua.indexOf('Edge/');
 var url = '/url/to/file.pdf';
 var pdf ='';
 var style = 'position:fixed; top:0px; left:0px; bottom:0px; right:0px; width:100%; height:100%; border:none; margin:0; padding:0; overflow:hidden;';

 if(msie &gt; 0 || trident &gt; 0 || edge &gt; 0){
 pdf = '&lt;object data="' + url + '" name="print_frame" id="print_frame" style="' + style + '" type="application/pdf"&gt;';
 }
 else{
 pdf ='&lt;iframe src="' + url + '" name="print_frame" id="print_frame" style="' + style + '"&gt;&lt;/iframe&gt;';
 }

 $(document.body).append(pdf);

 setTimeout(function(){
 window.frames["print_frame"].focus();
 window.frames["print_frame"].print();
 },2000);
});
</code></pre>

...cheers.

blocks|key|2841260|text|const+target_iframe+=+$("#pdfViewerIframe")

target_iframe.attr("src",+URL.createObjectURL(new+Blob([resp],+{
++++++++++++++++++++++++++++++++type:+"application/pdf"
++++++++++++++++++++++++++++})))

target_iframe[0].contentWindow.print()|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|2841261|注意：resp是你从服务器上得到的pdf。|unstyled|offset|length|style|CODE|2841262|entityMap^0|0|3|4|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|N|8|@$G|O|H|P|I|J]]|9|@]|A|$]]|$1|K|3|-4|5|F|7|Q|8|@]|9|@]|A|$]]]|L|$]]

<pre><code>const target_iframe = $(&quot;#pdfViewerIframe&quot;)

target_iframe.attr(&quot;src&quot;, URL.createObjectURL(new Blob([resp], {
 type: &quot;application/pdf&quot;
 })))

target_iframe[0].contentWindow.print()
</code></pre>
NOTE: <code>resp</code> is pdf you get from server

I have an iframe which needs point directly to a PDF file (not a page with a PDF):

<pre><code>&lt;iframe id="ecard-pdf" name="ecard-pdf" style="position: absolute;" src="/profile.pdf"&gt;
&lt;/iframe&gt;
</code></pre>

I want to be able to print the PDF in this iFrame

I have found several solutions in other questions that do not fit my needs:

<ol>
<li>Require to have a function in the iframe (
<a href="https://stackoverflow.com/a/473270/1246369">https://stackoverflow.com/a/473270/1246369</a> )</li>
<li>Suggest focusing the frame and then performing print action on it (
<a href="https://stackoverflow.com/a/9616706/1246369">https://stackoverflow.com/a/9616706/1246369</a> )</li>
<li>Access contentWindow of the iframe and print it (
<a href="https://stackoverflow.com/a/9617566/1246369">https://stackoverflow.com/a/9617566/1246369</a> )</li>
<li>Variations of those</li>
</ol>

However, it seems that FireFox and IE can't do this if the iframe's src points directly to a PDF and not to a page wrapped around the PDF.

Firefox:

Instead of printing, it displays this dialog: "Prevent this page from creating additional dialogues" with "OK" and "Cancel" buttons, neither of which prints the PDF.

IE:

just ignores my attempts to print using the above methods.

Question:

How can I allow users to print the PDF in the iFrame no matter what browser they are using?

How to print PDF from IFRAME if src = pdf?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我有一个iframe，它需要直接指向PDF文件(而不是包含PDF的页面)：<iframe id="ecard-pdf" name="ecard-pdf" style="position: absolute;" src="/profile.pdf"></iframe>我希望能够在此iFrame中打印PDF我在其他问题中找...

问如果src = PDF，如何从IFRAME打印pdf？
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问如果src = PDF，如何从IFRAME打印pdf？
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