e683. 设置打印的方向

  PrinterJob pjob = PrinterJob.getPrinterJob();

    PageFormat pf = pjob.defaultPage();

    if (portrait) {

        pf.setOrientation(PageFormat.PORTRAIT);

    } else {

        pf.setOrientation(PageFormat.LANDSCAPE);

    }

    pjob.setPrintable(printable, pf);

    try {

        pjob.print();

    } catch (PrinterException e) {

    }

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