PSPrinterJob.java 文件源码

public int print(Graphics g, PageFormat pf, int pgIndex) {
    if (pgIndex > 0) {
        return Printable.NO_SUCH_PAGE;
    } else {
        // "aware" client code can detect that its been passed a
        // PrinterGraphics and could theoretically print
        // differently. I think this is more likely useful than
        // a problem.
        applet.printAll(g);
        return Printable.PAGE_EXISTS;
    }
}