java 用java打印HTML文件
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Printing an HTML file in java
提问by user1123530
I'm trying to print an HTML file my program generates, but it won't work. On Ubuntu, ".isSupported(Desktop.Action.PRINT)" return false, even though I have the gnome libraries installed, and on Windows 7, java throws the following exception:
我正在尝试打印我的程序生成的 HTML 文件，但它不起作用。在 Ubuntu 上，“.isSupported(Desktop.Action.PRINT)”返回 false，即使我安装了 gnome 库，在 Windows 7 上，java 会抛出以下异常：
java.io.IOException: Failed to print file:/C:/Users/user/Documents/document.html. Error message: Unspecified error
followed by a stacktrace. Below is the code, I'm using java.awt.Desktop.
其次是堆栈跟踪。下面是代码，我使用的是 java.awt.Desktop。
File doc = DocumentComposer.writeDocument(new File(System.getProperty("user.dir") + File.separator + "docs" + File.separator + docName + ".html"), case, data);
if (Desktop.isDesktopSupported())
{
Desktop desktop = Desktop.getDesktop();
if (desktop.isSupported(Desktop.Action.PRINT))
{
desktop.print(doc);
}
else
printError();
}
else
printError();
Any kind of help would be much appreciated :).
任何形式的帮助将不胜感激:)。
回答by user1123530
I ended up not using java.awt.Desktop, it simply wouldn't work. Instead, I followed the instructions in this IBM tutorial, http://www.ibm.com/developerworks/java/library/j-mer0322/. To be precise, the code I'm now using is the following (and it runs flawlessly on both Linux and Windows!):
我最终没有使用 java.awt.Desktop，它根本行不通。相反，我按照 IBM 教程http://www.ibm.com/developerworks/java/library/j-mer0322/ 中的说明进行操作。准确地说，我现在使用的代码如下（它在 Linux 和 Windows 上都可以完美运行！）：
PrintRequestAttributeSet pras = new HashPrintRequestAttributeSet();
DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;
PrintService printService[] = PrintServiceLookup.lookupPrintServices(flavor, pras);
PrintService defaultService = PrintServiceLookup.lookupDefaultPrintService();
PrintService service = ServiceUI.printDialog(GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration(), 200, 200,
printService, defaultService, flavor, pras);
if (service != null) {
DocPrintJob job = service.createPrintJob();
FileInputStream fis = new FileInputStream(doc);
DocAttributeSet das = new HashDocAttributeSet();
Doc document = new SimpleDoc(fis, flavor, das);
job.print(document, pras);
}
