94 lines
3.2 KiB
Plaintext
94 lines
3.2 KiB
Plaintext
package com.nationalelectirc.utils;
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import java.awt.print.PrinterJob;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.net.URLConnection;
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import javax.print.Doc;
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import javax.print.DocFlavor;
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import javax.print.DocPrintJob;
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import javax.print.PrintException;
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import javax.print.PrintService;
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import javax.print.SimpleDoc;
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import javax.print.attribute.HashPrintRequestAttributeSet;
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import javax.print.attribute.PrintRequestAttributeSet;
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import javax.print.attribute.standard.Copies;
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import javax.print.attribute.standard.OrientationRequested;
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import javax.print.attribute.standard.Sides;
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public class PrintUtil {
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public static void main(String[] argv) throws Exception {
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String filePath ="http://192.168.0.218:8888/sealFile/image/nWSImageDes/11-3e2bfdccefae446ebf95f8901deb1a76-WaterMark.png";
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String printerName = "jysoft11111";//打印机名包含字串
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URL url =new URL(filePath); // 创建URL
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URLConnection urlconn = url.openConnection(); // 试图连接并取得返回状态码
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urlconn.connect();
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HttpURLConnection httpconn =(HttpURLConnection)urlconn;
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if(httpconn.getResponseCode() != HttpURLConnection.HTTP_OK) {
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System.out.print("无法连接到目标文件");
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} else {
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urlconn.getInputStream();
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InputStream inputStream = urlconn.getInputStream();
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JPGPrint(inputStream,printerName);
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}
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}
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// 传入文件和打印机名称
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public static void JPGPrint(InputStream fis,String printerName) throws PrintException {
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try {
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// 设置打印格式，如果未确定类型，可选择autosense
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DocFlavor flavor = DocFlavor.INPUT_STREAM.PNG;
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// 设置打印参数
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PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
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aset.add(new Copies(1)); //份数
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aset.add(OrientationRequested.LANDSCAPE);
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//aset.add(MediaSize.ISO.A4); //纸张
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// aset.add(Finishings.STAPLE);//装订
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aset.add(Sides.DUPLEX);//单双面
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// 定位打印服务
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PrintService printService = null;
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if (printerName != null) {
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//获得本台电脑连接的所有打印机
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PrintService[] printServices = PrinterJob.lookupPrintServices();
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if(printServices == null || printServices.length == 0) {
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System.out.print("打印失败，未找到可用打印机，请检查。");
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return ;
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}
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//匹配指定打印机
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for (int i = 0;i < printServices.length; i++) {
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System.out.println(printServices[i].getName());
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if (printServices[i].getName().contains(printerName)) {
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printService = printServices[i];
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break;
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}
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}
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if(printService==null){
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System.out.print("打印失败，未找到名称为" + printerName + "的打印机，请检查。");
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return ;
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}
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}
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// fis = new FileInputStream(file); // 构造待打印的文件流
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Doc doc = new SimpleDoc(fis, flavor, null);
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DocPrintJob job = printService.createPrintJob(); // 创建打印作业
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job.print(doc, aset);
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} catch (Exception e1) {
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e1.printStackTrace();
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} finally {
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// 关闭打印的文件流
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if (fis != null) {
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try {
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fis.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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}
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} |