Question

java调用本地打印机实现打印PDF文件，怎么做

Answer 1

使用虚拟打印机pdf factory即可实现，而且其他格式文件只要是能够打印，选择这个虚拟打印机，都可以做成PDF文件，很简单实用，一劳永逸。

Answer 2

java中调用本地系统上关联的打印机打印本地文件:
import java.io.File;
import java.io.FileInputStream;
import javax.print.Doc;
import javax.print.DocFlavor;
import javax.print.DocPrintJob;
import javax.print.PrintService;
import javax.print.PrintServiceLookup;
import javax.print.ServiceUI;
import javax.print.SimpleDoc;
import javax.print.attribute.DocAttributeSet;
import javax.print.attribute.HashDocAttributeSet;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.swing.JFileChooser;
public class TestPrinter1 {
public static void main(String[] args) {
JFileChooser fileChooser = new JFileChooser();//创建打印作业
int state = fileChooser.showOpenDialog(null);
if(state == fileChooser.APPROVE_OPTION){
//File file = new File("D:/haha.txt");//获取选择的文件
File file = fileChooser.getSelectedFile();//获取选择的文件
//构建打印请求属性集
HashPrintRequestAttributeSet pras = new HashPrintRequestAttributeSet();
//设置打印格式，因为未确定类型，所以选择autosense
DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;
//查找所有的可用的打印服务
PrintService printService[] = PrintServiceLookup.lookupPrintServices(flavor, pras);
//定位默认的打印服务
PrintService defaultService = PrintServiceLookup.lookupDefaultPrintService();
//显示打印对话框
PrintService service = ServiceUI.printDialog(null, 200, 200, printService,defaultService, flavor, pras);
if(service != null){
try {
DocPrintJob job = service.createPrintJob();//创建打印作业
FileInputStream fis = new FileInputStream(file);//构造待打印的文件流
DocAttributeSet das = new HashDocAttributeSet();
Doc doc = new SimpleDoc(fis, flavor, das);
job.print(doc, pras);
} catch (Exception e){
e.printStackTrace();
}
}
}
}
}