通过键盘触发 JQuery Modal Box 的 Ctrl+P 打印 [英] Trigger Ctrl+P printing for a JQuery Modal Box through keyboard
问题描述
我有一个文档，它在网站上的 JQuery 模态框内弹出.文档末尾有一个打印按钮，它只是在弹出框中打印文档.
我正在寻找一种可以通过按 Ctrl+P 打印弹出框的解决方案.现在 Ctrl+p 打印包括背景在内的所有页面......我只是希望找到一个解决方案来帮助我仅在弹出窗口中打印文档.
我的 JQuery 模态框在 iFrame 中，显示方式如下:-
<iframe id="lightboxFrame" width="950px" scrolling="auto" height="500px"><!DOCTYPE html><头><身体>(Div 中的整个文档)</body>...这是打印弹出文档的弹出 HTML 中的 DIV.
<input id="print-submit" class="form-submit" value="Print this Survey" name="print" onclick="printAssessment()" type="button"/>
这就是我所做的:-
$(document).keydown(function(event) {if (event.ctrlKey==true && (event.which == '80')) {//cntrl + pevent.preventDefault();打印评估()；}});函数打印评估(){//alert("打印小页面");窗口.打印()；}
当我按 Ctrl+P 时肯定会调用该函数，但它仍会打印整个页面.我希望它只打印模态框.奇怪的是，当我按下使用相同功能的模态框内的打印按钮时，它打印正确.
谢谢，
第一次-
现在部分工作.
当我将 PrintAssessment() 的函数更改为以下内容时，它起作用了:-
function printAssessment() {window.frames["lightboxFrame"].focus();window.frames["lightboxFrame"].print();}
但是，奇怪的是它仅在我第一次单击 Ctrl+P 时打印.当我再次尝试打印时，它不断给我这个错误:-
未捕获的类型错误:无法调用未定义的方法打印"
或
未捕获的类型错误:无法调用未定义的方法焦点"
谢谢.
解决方案 代替:
window.print();
您可以像下面这样打印 iframe 的内容:
$('#lightboxFrame')[0].contentWindow.print();
将下面的代码放入你的函数printAssessment()
I have a document which pops up on the site within a JQuery Modal Box. The document has a print button at the end which just prints the document in the Pop-Up Box.
I am looking to find a solution that I can print the pop-up box by pressing Ctrl+P. Right now Ctrl+p prints all the page including the background ... I am just hoping to find a solution which helps me print the document in the pop-up only.
My JQuery Modal Box is in iFrame and is shown in the following way:-
<div id="frameContainer">
<iframe id="lightboxFrame" width="950px" scrolling="auto" height="500px">
<!DOCTYPE html>
<html>
<head>
<body> (Whole Document in a Div) </body>
...
This is the DIV in the pop-up HTML that prints the pop-up document.
<div id="edit-actions" class="form-actions form-wrapper">
<input id="print-submit" class="form-submit" value="Print this Survey" name="print" onclick="printAssessment()" type="button" />
</div>
This is what I did:-
$(document).keydown(function(event) {
if (event.ctrlKey==true && (event.which == '80')) { //cntrl + p
event.preventDefault();
printAssessment();
}
});
function printAssessment() {
//alert("Print the little page");
window.print();
}
The function is definitely being called when I press Ctrl+P but it still prints the whole page. I want that it prints only the Modal Box. Weirdly, when I press the print button inside the Modal Box, which uses the same function, it prints correctly.
Thanks,
FIRST EDIT:-
Partially working now.
When I changed the function of PrintAssessment() to the following, it works:-
function printAssessment() {
window.frames["lightboxFrame"].focus();
window.frames["lightboxFrame"].print();
}
But, the weird thing is that It prints when I click Ctrl+P only the first time. When I try to print again, it keeps giving me this error:-
Uncaught TypeError: Cannot call method 'print' of undefined
or
Uncaught TypeError: Cannot call method 'focus' of undefined
Thanks.
解决方案 Instead of :
window.print();
You can print the content of the iframe like following :
$('#lightboxFrame')[0].contentWindow.print();
Put the code bellow in your function printAssessment()
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