package com.nationalelectirc.utils;
import java.awt.print.PrinterJob;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;

import javax.print.Doc;
import javax.print.DocFlavor;
import javax.print.DocPrintJob;
import javax.print.PrintException;
import javax.print.PrintService;
import javax.print.SimpleDoc;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.Copies;
import javax.print.attribute.standard.OrientationRequested;
import javax.print.attribute.standard.Sides;

public class PrintUtil {
	public static void main(String[] argv) throws Exception {
        String filePath ="http://192.168.0.218:8888/sealFile/image/nWSImageDes/11-3e2bfdccefae446ebf95f8901deb1a76-WaterMark.png";
        String printerName = "jysoft11111";//打印机名包含字串
        
        URL url =new URL(filePath); // 创建URL
        URLConnection urlconn = url.openConnection(); // 试图连接并取得返回状态码
        urlconn.connect();
        HttpURLConnection httpconn =(HttpURLConnection)urlconn;
        if(httpconn.getResponseCode() != HttpURLConnection.HTTP_OK) {
            System.out.print("无法连接到目标文件");
        } else {
            urlconn.getInputStream();
            InputStream inputStream = urlconn.getInputStream();
            JPGPrint(inputStream,printerName);
        }
    }
	

// 传入文件和打印机名称
public static void JPGPrint(InputStream fis,String printerName) throws PrintException {
	try {
		// 设置打印格式，如果未确定类型，可选择autosense
		DocFlavor flavor = DocFlavor.INPUT_STREAM.PNG;
		// 设置打印参数
		PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
		aset.add(new Copies(1)); //份数
		aset.add(OrientationRequested.LANDSCAPE);
		//aset.add(MediaSize.ISO.A4); //纸张
		// aset.add(Finishings.STAPLE);//装订
		aset.add(Sides.DUPLEX);//单双面
		// 定位打印服务
		PrintService printService = null;
		if (printerName != null) {
			//获得本台电脑连接的所有打印机
			PrintService[] printServices = PrinterJob.lookupPrintServices();
			if(printServices == null || printServices.length == 0) {
				System.out.print("打印失败，未找到可用打印机，请检查。");
				return ;
			}
			//匹配指定打印机
			for (int i = 0;i < printServices.length; i++) {
				System.out.println(printServices[i].getName());
				if (printServices[i].getName().contains(printerName)) {
					printService = printServices[i];
					break;
				}
			}
			if(printService==null){
				System.out.print("打印失败，未找到名称为" + printerName + "的打印机，请检查。");
				return ;
			}
		}
	//	fis = new FileInputStream(file); // 构造待打印的文件流
		Doc doc = new SimpleDoc(fis, flavor, null);
		DocPrintJob job = printService.createPrintJob(); // 创建打印作业
		job.print(doc, aset);
	} catch (Exception e1) {
		e1.printStackTrace();
	} finally {
 // 关闭打印的文件流
		if (fis != null) {
			try {
				fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}


   
}