📄 论坛 - 关于java打印文件流的问题？？？请指教.htm
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<TD><FONT class=p2 face=arial,sans-serif color=#ffffff>这个主题有 <B>0</B> 回复 ／
<B>1</B> 页 </FONT></TD></TR></TBODY></TABLE><A name=23787></A>
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<TD><FONT class=p2 face=arial,sans-serif color=#000000><A
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color=#000000><BR><BR>发贴/文章: 3 <BR>参与分: 9 <BR>专家分: 0 <BR>注册时间:
五月, 2003 <BR><BR></FONT></TD></TR></TBODY></TABLE></TD>
<TD style="WIDTH: 97%; WORD-WRAP: break-word"><FONT
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<TD noWrap width="1%"><FONT class=p2 face=arial,sans-serif
color=#000000>发表时间: 2003-7-29 下午4:10 </FONT></TD>
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color=#000000> private void printFileAction() {<BR> JFileChooser fileChooser = new JFileChooser(SystemProperties.USER_DIR);<BR> //fileChooser.setFileFilter(new com.szallcom.file.JavaFilter());<BR> int state = fileChooser.showOpenDialog(this);<BR> if (state == fileChooser.APPROVE_OPTION) {<BR> File file = fileChooser.getSelectedFile();<BR> PrintRequestAttributeSet pras = new HashPrintRequestAttributeSet();<BR> DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;<BR> //DocFlavor flavor = new DocFlavor("text/gif", "java.io.InputStream");<BR> //DocFlavor flavor = DocFlavor.INPUT_STREAM.TEXT_HTML_US_ASCII;<BR> PrintService printService[] = PrintServiceLookup.lookupPrintServices(flavor, pras);<BR> PrintService defaultService = PrintServiceLookup.lookupDefaultPrintService();<BR> PrintService service = ServiceUI.printDialog(null, 200, 200, printService, defaultService, flavor, pras);<BR> if (service != null) {<BR> try {<BR> DocPrintJob job = service.createPrintJob();<BR><BR> PrintJobWatcher pjDone = new PrintJobWatcher(job);<BR><BR> FileInputStream fis = new FileInputStream(file);<BR> DocAttributeSet das = new HashDocAttributeSet();<BR> Doc doc = new SimpleDoc(fis, flavor, das);<BR> //Doc doc = new SimpleDoc(fis, flavor, null);<BR> job.print(doc, pras);<BR><BR> pjDone.waitForDone();<BR> }<BR> catch (Exception e) {<BR> e.printStackTrace();<BR> }<BR> }<BR> }<BR> }<BR><BR>为什么总是会出问题呢，不知道为什么，有高手可以指教吗，最好给附上代码
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