servlet/jsp 中的打印对话框
我想在 servlet/jsp 中显示打印对话框。 下面是我的代码：
DocFlavor flavor = DocFlavor.BYTE_ARRAY.AUTOSENSE;
PrintRequestAttributeSet pras = new HashPrintRequestAttributeSet () ;
PrintService printService[] = PrintServiceLookup.lookupPrintServices(flavor, pras);
PrintService defaultService = PrintServiceLookup.lookupDefaultPrintService();
PrintService service = javax.print.ServiceUI.printDialog(null, 200, 200, printService, defaultService, flavor, pras);
if (service != null)
{
DocPrintJob job = service.createPrintJob();
Doc doc = new SimpleDoc(decodedImageData, flavor, null);
job.print(doc, null);
}
它在独立应用程序中运行良好。 但是，我无法在 servlet/jsp 中显示打印对话框。
I want to display print dialog in servlet/jsp. Below is my code:
DocFlavor flavor = DocFlavor.BYTE_ARRAY.AUTOSENSE;
PrintRequestAttributeSet pras = new HashPrintRequestAttributeSet () ;
PrintService printService[] = PrintServiceLookup.lookupPrintServices(flavor, pras);
PrintService defaultService = PrintServiceLookup.lookupDefaultPrintService();
PrintService service = javax.print.ServiceUI.printDialog(null, 200, 200, printService, defaultService, flavor, pras);
if (service != null)
{
DocPrintJob job = service.createPrintJob();
Doc doc = new SimpleDoc(decodedImageData, flavor, null);
job.print(doc, null);
}
It works well in a standalone application. However, I am not able to display print dialog in servlet/jsp.
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您需要注意，不是客户端在此处执行您的代码。 这是服务器。
您必须创建一个 javascript 函数才能使其工作。
You need to be aware that it is not the client that is executing your code here. It's the server.
You'll have to make a javascript function for that to work.
我会在 javascript 中调用
window.print();。 下面试试吧。I would call
window.print();in javascript. Try it below.