从Chrome中打印铬：如何知道打印完成？ [英] Printing from javascript in chrome: how to know printing is done?

问题描述

在我的chrome浏览器版本17.0.942.0 winvista中， printdlg不是通常的模式系统printdlg，而是在网站内呈现。所以我想按照这里的描述打印画布内容。但代码

window.print（）;
window.close（）;

不会工作，因为 window.close 也关闭printdlg。所以在chrome window.close 中必须由用户启动或以某种方式延迟。有没有办法知道 window.print 是否已经完成，这样窗口可以自动关闭？

解决方案

在类似于您所遇到的错误报告中查看此评论：
http://code.google.com/p/chromium/issues/detail?id=92107#c31

看起来像 window.print 是异步的，解决方法是在打印后检查鼠标移动事件，当打印对话框出现时关闭，那么您可以执行其余的操作。

另请参阅：

In my chrome browser version 17.0.942.0 winvista the printdlg is not the usual modal system-printdlg but renderered within the website itself. So I want to print canvas content as described here. But the code

window.print(); window.close();

wont work, because window.close also closes the printdlg. So in chrome window.close must be initiated by the user or delayed somehow. Is there a way to know if window.print was finished, so that the window can be closed automatically?

解决方案

Check this comment on a bug report similar to what you are experiencing: http://code.google.com/p/chromium/issues/detail?id=92107#c31

It seems like window.print is async, the workaround is to check for a mouse movement event after the print, which would occur when the print dialog is closed, then you can perform the rest of your actions.

Also see: Chrome window.print() window.close() results in 'print preview failed'. Solution?

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