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java代码在连接到我的计算机的HP DeskJet1000 USB打印机上打印文本文件.每当我运行此代码时,都会发送打印作业,但打印机不会打印任何内容.状态显示打印机正在打印,但它甚至没有进入页面.请帮忙!我的代码如下:

package printing;

import java.io.FileInputStream;

import javax.print.*;

import javax.print.attribute.HashPrintRequestAttributeSet;

import javax.print.attribute.PrintRequestAttributeSet;

/** @author Majid */

public class Printing {

public static void main (String [] args) {

// TODO code application logic here

DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;

PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet ();

/* locate a print service that can handle it */

PrintService [] pservices = PrintServiceLookup.lookupPrintServices (flavor, aset);

/* create a print job for the chosen service */

int printnbr = 0;

DocPrintJob pj = pservices [printnbr].createPrintJob ();

try {

FileInputStream fis = new FileInputStream ("e:/fypdatabase/test.txt");

Doc doc = new SimpleDoc (fis, flavor, null);

//PrintJobWatcher pjDone = new PrintJobWatcher (pj);

/* print the doc as specified */

pj.print (doc, aset);

}

catch (Exception ex) {

ex.printStackTrace ();

}

}

}

本文标签: 无法正常代码工作Java