Question

java打印小票怎么才能弹出这个框直接打印呢

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Answer 1

package com.zhidao;

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;

/**
* 打印机
* @author Administrator
*
*/
public class PrintDemo {
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:/zkyzl.txt"); //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();
}
}
}
}

}

参考资料：http://bbs.csdn.net/topics/330062487

Answer 2

自己写一个呗