JAVA实现服务器端查找指定打印机并且实现模板套打的功能

packagecom.example.demo;
importcom.google.zxing.BarcodeFormat;
importcom.google.zxing.WriterException;
importcom.google.zxing.client.j2se.MatrixToImageWriter;
importcom.google.zxing.common.BitMatrix;
importcom.google.zxing.oned.Code128Writer;
importorg.apache.commons.lang3.StringUtils;
importjavax.print.PrintService;
importjavax.print.attribute.HashPrintRequestAttributeSet;
importjavax.print.attribute.PrintRequestAttributeSet;
importjavax.print.attribute.standard.Copies;
importjava.awt.*;
importjava.awt.image.BufferedImage;
importjava.awt.print.*;
importjava.io.IOException;
importjava.util.ArrayList;
publicclassPdfTaoDaPrinterDemoimplementsPrintable{
privatestaticStringprinterName="Microsoft Print to PDF";
privateString[] value= {"测试","信息与计算科学","数学物理学院","2023年9月1日","XX校区","2023","7","24","1234567890","1234567890"};
privateint[][] positions= {{70,220},{150,400},{300,400},{150,420},{300,420},{490,375},{530,375},{560,375},{560,100},{585,142}};
publicstaticvoidmain(String []args) throwsException {
PrintServiceprintService=getPrintService();
if(printService==null){
//无可用的打印机System.out.println("打印失败，未找到可用打印机，请检查。");
        }else{
PdfTaoDaPrinterDemopdfTaoDaPrinterDemo=newPdfTaoDaPrinterDemo();
printReport(pdfTaoDaPrinterDemo,printService);
        }
    }
publicintprint(Graphicsg,PageFormatpf,intpageIndex){
if(pageIndex>0){
returnPrintable.NO_SUCH_PAGE;
        }
Graphics2Dg2d= (Graphics2D) g;
for(inti=0;i<value.length;i++){
Stringstr=value[i];
inttemp[] =positions[i];
intx=temp[0];
inty=temp[1];
if(i==0){
Fontfont=newFont("微软雅黑",Font.PLAIN,16);
g2d.setFont(font);
g2d.drawString(str,x,y);
            }elseif((i>=5&&i<=7)){
Fontfont=newFont("宋体",Font.PLAIN,12);
g2d.setFont(font);
g2d.drawString(str,x,y);
            }elseif(i>0&&i<5&&i!=2){
Fontfont=newFont("宋体",Font.PLAIN,16);
g2d.setFont(font);
g2d.drawString(str,x,y);
            }elseif(i==2){
if(str.contains("(") ||str.contains("（")){
Fontfont=newFont("宋体",Font.PLAIN,14);
g2d.setFont(font);
java.util.List<String>line_list=newArrayList<String>();
if(str.contains("(")){
StringpreStr=str.substring(0,str.indexOf("("));
StringaffStr=str.substring(str.indexOf("(")+1);
line_list.add(preStr);
line_list.add(affStr);
                    }elseif(str.contains("（")){
StringpreStr=str.substring(0,str.indexOf("（"));
StringaffStr=str.substring(str.indexOf("（"));
line_list.add(preStr);
line_list.add(affStr);
                    }
for(intj=0;j<line_list.size();j++){
Stringline_str=line_list.get(j);
intstrWidth=g2d.getFontMetrics().stringWidth(line_str);
intwordStartX=x+(+150-strWidth) /2;
g.drawString(line_str, wordStartX, y+(j-1)*14) ;//35为每行的高度                    }
                }else {
Fontfont=newFont("宋体",Font.PLAIN,16);
g2d.setFont(font);
g2d.drawString(str, x, y);
                }
            } elseif(i==8){
BufferedImagelogoImg=null;
try {
logoImg=insertWords(getBarcode(str),str);
g2d.drawImage(logoImg, x, y, logoImg.getWidth(), logoImg.getHeight(), null);
                } catch (Exceptione) {
e.printStackTrace();
                }finally {
if(logoImg!=null){
logoImg.flush();
                    }
                }
            }
        }
returnPrintable.PAGE_EXISTS;
    }
privatevoidsetColorWhite(Graphics2Dg2d){
g2d.setColor(Color.WHITE);
//填充整个屏幕g2d.fillRect(0,0,600,600);
//设置笔刷g2d.setColor(Color.BLACK);
    }
publicBufferedImageinsertWords(BufferedImageimage, Stringwords){
// 新的图片，把带logo的二维码下面加上文字if (StringUtils.isNotEmpty(words)) {
BufferedImageoutImage=newBufferedImage(image.getWidth(), image.getHeight()+20, BufferedImage.TYPE_INT_RGB);
Graphics2Dg2d=outImage.createGraphics();
setColorWhite(g2d);
// 画条形码到新的面板g2d.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
// 画文字到新的面板Colorcolor=newColor(0, 0, 0);
g2d.setColor(color);
// 字体、字型、字号g2d.setFont(newFont("新宋体", Font.PLAIN, 10));
//文字长度intstrWidth=g2d.getFontMetrics().stringWidth(words);
//总长度减去文字长度的一半  （居中显示）intwordStartX=(image.getWidth() -strWidth) /2;
intwordStartY=image.getHeight()+10;
// 画文字g2d.drawString(words, wordStartX, wordStartY);
g2d.dispose();
outImage.flush();
returnoutImage;
        }
returnnull;
    }
publicBufferedImagegetBarcode(Strings) throwsIOException {
try {
Code128Writerwriter=newCode128Writer();
BitMatrixbar=writer.encode(s, BarcodeFormat.CODE_128, 80, 50, null);
returnMatrixToImageWriter.toBufferedImage(bar);
        }
catch (WriterExceptione){ thrownewRuntimeException(e); }
    }
privatestaticvoidprintReport(PdfTaoDaPrinterDemopdfTaoDaModel, PrintServiceprintService){
PrinterJobprinterJob=PrinterJob.getPrinterJob();
try {
printerJob.setPrintService(printService);
PageFormatpf=printerJob.defaultPage();
Paperpaper=pf.getPaper();
doublepageWidth=496;
doublepageHeight=765;
paper.setSize(pageWidth,pageHeight);
paper.setImageableArea(0,0,pageWidth,pageHeight);
pf.setOrientation(PageFormat.LANDSCAPE);
pf.setPaper(paper);
printerJob.setPrintable(pdfTaoDaModel,pf);
PrintRequestAttributeSetaset=newHashPrintRequestAttributeSet();
aset.add(newCopies(1)); //份数printerJob.print(aset);
        } catch (PrinterExceptione) {
e.printStackTrace();
System.out.println("PrinterException:"+e.getLocalizedMessage());
        }
    }
privatestaticPrintServicegetPrintService(){
if (printerName!=null) {
// 查找并设置打印机//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.println("打印失败，未找到可用打印机，请检查。");
returnnull;
            }
PrintServiceprintService=null;
//匹配指定打印机for (inti=0;i<printServices.length; i++) {
System.out.println(printServices[i].getName());
if (printServices[i].getName().contains(printerName)) {
printService=printServices[i];
                }
            }
if(printService!=null){
returnprintService;
            }else{
System.out.println("打印失败，未找到名称为"+printerName+"的打印机，请检查。");
returnnull;
            }
        }
returnnull;
    }
publicString[] getValue() {
returnvalue;
    }
publicvoidsetValue(String[] value) {
this.value=value;
    }
publicint[][] getPositions() {
returnpositions;
    }
publicvoidsetPositions(int[][] positions) {
this.positions=positions;
    }
}