java 指定打印机 进行打印

package com.printer;

import java.io.*;
import java.util.Locale;

import javax.print.*;
import javax.print.attribute.*;
import javax.print.attribute.standard.*;

public class PrintTest {

public static void main(String args[]) {

FileInputStream psStream = null;
try {
psStream = new FileInputStream("D:\\work\\发票扫描件\\维修费20121025（发票联）.jpg");
} catch (FileNotFoundException ffne) {
ffne.printStackTrace();
}
if (psStream == null) {
return;
}
//设置打印数据的格式，此处为图片gif格式
DocFlavor psInFormat = DocFlavor.INPUT_STREAM.GIF;
//创建打印数据
//		DocAttributeSet docAttr = new HashDocAttributeSet();//设置文档属性
//		Doc myDoc = new SimpleDoc(psStream, psInFormat, docAttr);
Doc myDoc = new SimpleDoc(psStream, psInFormat, null);

//设置打印属性
PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
aset.add(new Copies(3));//打印份数，3份

//查找所有打印服务
PrintService[] services = PrintServiceLookup.lookupPrintServices(psInFormat, aset);

// this step is necessary because I have several printers configured
//将所有查找出来的打印机与自己想要的打印机进行匹配，找出自己想要的打印机
PrintService myPrinter = null;
for (int i = 0; i < services.length; i++) {
System.out.println("service found: " + services[i]);
String svcName = services[i].toString();
if (svcName.contains("Snagit 11")) {
myPrinter = services[i];
System.out.println("my printer found: " + svcName);
System.out.println("my printer found: " + myPrinter);
break;
}
}

//可以输出打印机的各项属性
AttributeSet att = myPrinter.getAttributes();

for (Attribute a : att.toArray()) {

String attributeName;
String attributeValue;

attributeName = a.getName();
attributeValue = att.get(a.getClass()).toString();

System.out.println(attributeName + " : " + attributeValue);
}

if (myPrinter != null) {
DocPrintJob job = myPrinter.createPrintJob();//创建文档打印作业
try {
job.print(myDoc, aset);//打印文档

} catch (Exception pe) {
pe.printStackTrace();
}
} else {
System.out.println("no printer services found");
}
}
}