init

2025-06-23 10:33:26 +08:00
commit d04c487851
13 changed files with 829 additions and 0 deletions
@@ -0,0 +1,13 @@
+package com.goeing.printserver;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class GoeingPrintServerApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(GoeingPrintServerApplication.class, args);
+    }
+
+}
@@ -0,0 +1,51 @@
+package com.goeing.printserver.main;
+
+import cn.hutool.core.util.IdUtil;
+import cn.hutool.http.HttpUtil;
+import cn.hutool.json.JSONUtil;
+import com.goeing.printserver.main.domain.request.PrintRequest;
+import com.goeing.printserver.main.utils.PdfPrinter;
+import org.springframework.web.bind.annotation.*;
+
+import javax.print.PrintService;
+import java.awt.print.PrinterJob;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@RestController
+@RequestMapping("/api")
+public class PrintController {
+    private final String rootPath = "/Users/fl0919/work_space/goeingPrintServer/pdf";
+
+    @GetMapping("printerList")
+    public List<String> printerList(){
+        PrintService[] printServices = PrinterJob.lookupPrintServices();
+        Set<String> collect = Arrays.stream(printServices).map(PrintService::getName).collect(Collectors.toSet());
+        return collect.stream().sorted().collect(Collectors.toList());
+    }
+
+
+    @PostMapping("print")
+    public String print(@RequestBody PrintRequest request) {
+
+        System.out.println(JSONUtil.toJsonPrettyStr(request));
+
+        String fileUrl = request.getFileUrl();
+        String filePath = rootPath+"/"+IdUtil.getSnowflakeNextId() + ".pdf";
+        try {
+            HttpUtil.downloadFile(fileUrl, filePath);
+        } catch (Exception e) {
+            System.err.println("There was an error downloading the print file！");
+            throw new RuntimeException("There was an error downloading the print file！");
+        }
+        try {
+            PdfPrinter.print(filePath, request.getPrinterName(), request.getPrintOption());
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+
+        return "success";
+    }
+}
@@ -0,0 +1,22 @@
+package com.goeing.printserver.main.domain.bo;
+
+import lombok.Data;
+
+@Data
+public class PrintOption {
+    private String size;
+    private String paper;
+    private String color;
+    private String sides;
+    private String bind;
+    private double margin; // in inches
+    private String position;
+    private String front;
+    private String back;
+    private String section;
+    private String orientation;
+
+    private int qty;
+
+
+}
@@ -0,0 +1,12 @@
+package com.goeing.printserver.main.domain.request;
+
+import com.goeing.printserver.main.domain.bo.PrintOption;
+import lombok.Data;
+
+@Data
+public class PrintRequest {
+    private String fileUrl;
+    private String printerName;
+    private PrintOption printOption;
+
+}
@@ -0,0 +1,152 @@
+package com.goeing.printserver.main.utils;// src/main/java/com/example/printer/PdfPrinter.java
+
+import cn.hutool.core.util.StrUtil;
+import com.goeing.printserver.main.domain.bo.PrintOption;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.printing.PDFPageable;
+
+import javax.print.PrintService;
+import javax.print.PrintServiceLookup;
+import javax.print.attribute.HashPrintRequestAttributeSet;
+import javax.print.attribute.PrintRequestAttributeSet;
+import javax.print.attribute.standard.*;
+import java.awt.print.PageFormat;
+import java.awt.print.Paper;
+import java.awt.print.PrinterException;
+import java.awt.print.PrinterJob;
+import java.io.File;
+import java.util.HashMap;
+import java.util.Map;
+
+public class PdfPrinter {
+
+    private static final Map<String, MediaSizeName> PAPER_SIZES = new HashMap<>();
+
+    static {
+        PAPER_SIZES.put("Letter", MediaSizeName.NA_LETTER);//8.5" × 11"
+        PAPER_SIZES.put("Legal", MediaSizeName.NA_LEGAL);//8.5" × 14"
+        PAPER_SIZES.put("Tabloid", MediaSizeName.TABLOID);//11" × 17"
+    }
+
+    public static PDDocument print(String pdfPath, String printerName, PrintOption option) throws Exception {
+        File file = new File(pdfPath);
+        PDDocument document = PDDocument.load(file);
+        PrinterJob job = getPrintServiceByName(printerName);
+        setPageStyle(document, job, option);
+        return document;
+    }
+
+    public static PrinterJob getPrintServiceByName(String printerName) throws Exception {
+        PrintService[] services = PrintServiceLookup.lookupPrintServices(null, null);
+
+        if (services == null || services.length == 0) {
+            throw new RuntimeException("No working printers found");
+        }
+
+        for (PrintService service : services) {
+            if (StrUtil.isNotBlank(printerName)&&service.getName().equalsIgnoreCase(printerName)) {
+                PrinterJob job = PrinterJob.getPrinterJob();
+                job.setPrintService(service);
+                return job;
+            }
+        }
+        throw new RuntimeException("No name found [" + printerName + "] Printers");
+    }
+
+    private static void setPageStyle(PDDocument document, PrinterJob job, PrintOption option) {
+        // 创建PageFormat对象
+        PageFormat pageFormat = new PageFormat();
+        // 根据打印选项获取纸张大小
+        Paper paper = getPdfPaper(option.getSize());
+
+        // 计算边距大小
+        double marginPoints = option.getMargin() * 72;
+        // 计算可打印区域的宽度
+        double imageableWidth = paper.getWidth() - 2 * marginPoints;
+        // 计算可打印区域的高度
+        double imageableHeight = paper.getHeight() - 2 * marginPoints;
+        // 设置纸张的可打印区域
+        paper.setImageableArea(marginPoints, marginPoints, imageableWidth, imageableHeight);
+        // 设置PageFormat对象的纸张
+        pageFormat.setPaper(paper);
+
+        // 根据打印选项设置页面方向
+        if ("ORI_LANDSCAPE".equalsIgnoreCase(option.getOrientation())) {
+            pageFormat.setOrientation(PageFormat.LANDSCAPE);
+        } else {
+            pageFormat.setOrientation(PageFormat.PORTRAIT);
+        }
+
+        // 创建PrintRequestAttributeSet对象
+        PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
+
+        // 设置纸张大小
+        aset.add(PAPER_SIZES.getOrDefault(option.getSize(), MediaSizeName.NA_LETTER));
+
+        // 根据打印选项设置颜色模式
+        if ("Full Color".equalsIgnoreCase(option.getColor()) || "Cover Letter Color Only".equalsIgnoreCase(option.getColor())) {
+            aset.add(Chromaticity.COLOR);
+        } else {
+            aset.add(Chromaticity.MONOCHROME);
+        }
+
+        // 根据打印选项设置打印面
+        if ("Double-Sided".equalsIgnoreCase(option.getSides()) || "Two-Sided".equalsIgnoreCase(option.getSides())) {
+            aset.add(Sides.TWO_SIDED_LONG_EDGE);
+        } else {
+            aset.add(Sides.ONE_SIDED);
+        }
+
+        // 设置打印份数
+        aset.add(new Copies(option.getQty()));
+
+        // 设置装订选项
+        setBindingOption(aset, option.getBind());
+
+        // 设置Pageable对象
+        job.setPageable(new PDFPageable(document));
+        try {
+            // 执行打印任务
+            job.print(aset);
+        } catch (PrinterException e) {
+            // 打印异常处理
+            e.printStackTrace();
+        }
+    }
+
+
+    private static Paper getPdfPaper(String size) {
+        switch (size) {
+            case "Letter":
+                return createPaper(8.5 * 72, 11 * 72);
+            case "Legal":
+                return createPaper(8.5 * 72, 14 * 72);
+            case "Tabloid":
+                    return createPaper(8.5 * 72, 16 * 72);
+            default:
+                return createPaper(8.5 * 72, 11 * 72);
+        }
+    }
+
+    private static Paper createPaper(double width, double height) {
+        Paper paper = new Paper();
+        paper.setSize(width, height);
+        return paper;
+    }
+
+    private static void setBindingOption(PrintRequestAttributeSet aset, String bind) {
+        switch (bind) {
+//            case "Left":
+//                aset.add(Binding.LEFT);
+//                break;
+//            case "Top":
+//                aset.add(Binding.TOP);
+//                break;
+            case "Staple":
+                aset.add(Finishings.STAPLE);
+                break;
+            default:
+                break;
+        }
+    }
+}
@@ -0,0 +1,3 @@
+spring.application.name=goeingPrintServer
+server.port=9090
+