printimage.java

这里面有150个从简单到难的java 程序的源代码

package javaio;
import java.io.*;
import javax.print.*;
import javax.print.attribute.*;
import javax.print.attribute.standard.*;
public class PrintImage
{
	public PrintImage(String filename)
	{
		try
		{
			//获得打印属性
			PrintRequestAttributeSet pras =
				new HashPrintRequestAttributeSet();
			pras.add(new Copies(1));
			//获得打印设备
			PrintService pss[] =
				PrintServiceLookup.lookupPrintServices(
					DocFlavor.INPUT_STREAM.GIF,
					pras);
			if (pss.length == 0)
				throw new RuntimeException
("No printer services available.");
			PrintService ps = pss[0];
			System.out.println("Printing to " + ps);
			//获得打印工作
			DocPrintJob job = ps.createPrintJob();
			FileInputStream fin = new FileInputStream(filename);
			Doc doc =
				new SimpleDoc(
					fin,
					DocFlavor.INPUT_STREAM.GIF,
					null);
			//开始打印
			job.print(doc, pras);
			fin.close();
		}
		catch (IOException ie)
		{
			ie.printStackTrace();
		}
		catch (PrintException pe)
		{
			pe.printStackTrace();
		}
	}
	public static void main(String args[]) throws Exception
	{
		if (args.length < 1)
		{
			System.err.println(
				"Usage: java PrintImage <image name>");
			System.exit(1);
		}
		new PrintImage(args[0]);
	}
}