e685. 显示页面格式窗口

The page format dialog allows the user to change the default page format values such as the orientation and paper size.

    PrinterJob pjob = PrinterJob.getPrinterJob();
    
    // Get and change default page format settings if necessary.
    PageFormat pf = pjob.defaultPage();
    pf.setOrientation(PageFormat.LANDSCAPE);
    
    // Show page format dialog with page format settings.
    pf = pjob.pageDialog(pf);
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原文地址：https://www.cnblogs.com/borter/p/9575592.html