我使用下面顯示的java代碼在連接到我的計算機的HP DeskJet1000 USB打印機上打印文本文件。每當我運行此代碼時,都會發送打印作業,但打印機不會打印任何內容。狀態顯示打印機正在打印,但它甚至沒有進入頁面。請幫忙!我的代碼如下:java打印代碼不工作
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();
}
}
}
其他該打印機工作應用程序(如Word或記事本)? – Jeffrey 2012-04-27 22:41:03
是的,它可以完美地打印所有其他應用程序。 – 2012-04-27 22:44:41
你不檢查有多少打印服務返回,你只是硬編碼使用索引0? (只是想知道是否安裝了僞打印機) – Benj 2012-04-27 22:49:29