Merge branch 'master' of https://gitee.com/xiaochen991015/xizang

无关风月

2025-03-06 40158f61b8bf3f07c3ebc928ccd8e5ccbc2e22ff

 ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/PdfUtils.java

@@ -4,6 +4,7 @@
import com.documents4j.api.IConverter;
import com.documents4j.job.LocalConverter;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.xwpf.usermodel.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mock.web.MockMultipartFile;
import org.springframework.stereotype.Component;
@@ -11,7 +12,11 @@

import java.io.*;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@@ -22,7 +27,6 @@
    /**
     * word 转 pdf
     *
     * @param url
     */
//    public  String wordToPdf(String url,String filePath, String fileName) {
//        try {
@@ -62,48 +66,192 @@
//        return null;
//    }

    public String wordToPdf(String url, String filePath, String fileName) {
    public String wordToPdf(String filePath, String fileName) {
        try {
            DocumentType documentType = DocumentType.DOC;
            if (url.contains(".docx")) {
                documentType = DocumentType.DOCX;
            } else if (url.contains(".doc")) {
                documentType = DocumentType.DOC;
            } else if (url.contains(".xlsx")) {
                documentType = DocumentType.XLSX;
            } else if (url.contains(".xls")) {
                documentType = DocumentType.XLS;
            }
            // 1. 首先确保输入文件是UTF-8编码
            String inputFile = filePath + fileName;
            String outputDir = filePath + "/pdf";
            String outputFileName = fileName.substring(0, fileName.lastIndexOf(".")) + ".pdf";

            // Ensure the URL has a protocol part
            if (!url.startsWith("file://") && !url.startsWith("http://") && !url.startsWith("https://")) {
                url = "file://" + url;
            }
            // 2. 创建临时文件用于转换
            String tempDocx = createTempFileWithEncoding(inputFile);

            // 使用LibreOffice进行转换
            ProcessBuilder pb = new ProcessBuilder(
                    "soffice",
                    "--headless",
                    "--convert-to", "pdf",
                    "--outdir", new File(filePath+ "/pdf"+fileName.substring(0, fileName.lastIndexOf(".")) + ".pdf").getParent(),
                    filePath+fileName
            );
            // 3. 使用更详细的LibreOffice转换参数
            List<String> command = new ArrayList<>();
            command.add("/usr/bin/soffice");
            command.add("--headless");
            command.add("--convert-to");
            command.add("pdf:writer_pdf_Export:PDFExport{'EmbedStandardFonts':true}");
            command.add("--outdir");
            command.add(outputDir);
            command.add(tempDocx);

            ProcessBuilder pb = new ProcessBuilder(command);

            // 4. 设置更完整的环境变量
            Map<String, String> env = pb.environment();
            env.put("LC_ALL", "zh_CN.UTF-8");
            env.put("LANG", "zh_CN.UTF-8");
            env.put("LANGUAGE", "zh_CN.UTF-8");
            env.put("PYTHONIOENCODING", "utf8");
            env.put("JAVA_TOOL_OPTIONS", "-Dfile.encoding=UTF-8");

            // 5. 执行转换
            Process process = pb.start();

            // 等待转换完成
            int exitCode = process.waitFor();
            if (exitCode == 0) {
                System.out.println("PDF转换成功！");
            } else {
                System.out.println("PDF转换失败！");
            // 6. 读取输出
            StringBuilder output = new StringBuilder();
            try (BufferedReader reader = new BufferedReader(
                    new InputStreamReader(process.getInputStream(), StandardCharsets.UTF_8))) {
                String line;
                while ((line = reader.readLine()) != null) {
                    output.append(line).append("\n");
                }
            }
            return "";

            // 7. 等待进程完成
            int exitCode = process.waitFor();

            // 8. 清理临时文件
            new File(tempDocx).delete();

            if (exitCode == 0) {
                return outputDir + "/" + outputFileName;
            } else {
                throw new RuntimeException("转换失败: " + output.toString());
            }

        } catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException("Failed to generate PDF: " + e.getMessage(), e);
            throw new RuntimeException("PDF转换失败: " + e.getMessage(), e);
        }
    }
    private static String createTempFileWithEncoding(String inputFile) {
        try {
            // 1. 读取原始文档
            XWPFDocument doc = new XWPFDocument(new FileInputStream(inputFile));

            // 2. 修改文档字体和编码
            for (XWPFParagraph paragraph : doc.getParagraphs()) {
                for (XWPFRun run : paragraph.getRuns()) {
                    // 设置中文字体
                    run.setFontFamily("WenQuanYi Zen Hei");
                    run.setFontFamily("WenQuanYi Zen Hei", XWPFRun.FontCharRange.eastAsia);

                    // 确保文本是UTF-8编码
                    String text = run.getText(0);
                    if (text != null) {
                        text = new String(text.getBytes(StandardCharsets.UTF_8), StandardCharsets.UTF_8);
                        run.setText(text, 0);
                    }
                }
            }

            // 3. 处理表格中的文本
            for (XWPFTable table : doc.getTables()) {
                for (XWPFTableRow row : table.getRows()) {
                    for (XWPFTableCell cell : row.getTableCells()) {
                        for (XWPFParagraph paragraph : cell.getParagraphs()) {
                            for (XWPFRun run : paragraph.getRuns()) {
                                run.setFontFamily("WenQuanYi Zen Hei");
                                run.setFontFamily("WenQuanYi Zen Hei", XWPFRun.FontCharRange.eastAsia);

                                String text = run.getText(0);
                                if (text != null) {
                                    text = new String(text.getBytes(StandardCharsets.UTF_8), StandardCharsets.UTF_8);
                                    run.setText(text, 0);
                                }
                            }
                        }
                    }
                }
            }

            // 4. 保存为临时文件
            String tempFile = inputFile + ".temp.docx";
            try (FileOutputStream out = new FileOutputStream(tempFile)) {
                doc.write(out);
            }

            return tempFile;

        } catch (Exception e) {
            throw new RuntimeException("处理文档编码失败: " + e.getMessage(), e);
        }
    }

    // 在转换之前执行的环境检查
    private static void preConversionCheck() {
        try {
            // 1. 检查并安装必要的字体
            installRequiredFonts();

            // 2. 验证LibreOffice安装
            verifyLibreOfficeInstallation();

            // 3. 设置字体配置
            setupFontConfig();

        } catch (Exception e) {
            throw new RuntimeException("环境检查失败: " + e.getMessage(), e);
        }
    }

    private static void installRequiredFonts() {
        try {
            ProcessBuilder pb = new ProcessBuilder(
                    "sudo", "apt-get", "install", "-y",
                    "fonts-wqy-zenhei",
                    "fonts-wqy-microhei",
                    "fonts-arphic-ukai",
                    "fonts-arphic-uming"
            );
            pb.inheritIO();
            Process p = pb.start();
            p.waitFor();
        } catch (Exception e) {
            System.err.println("警告: 安装字体失败 - " + e.getMessage());
        }
    }

    private static void verifyLibreOfficeInstallation() {
        try {
            Process p = Runtime.getRuntime().exec("soffice --version");
            try (BufferedReader reader = new BufferedReader(
                    new InputStreamReader(p.getInputStream()))) {
                String version = reader.readLine();
                if (version == null || !version.contains("LibreOffice")) {
                    throw new RuntimeException("LibreOffice未正确安装");
                }
            }
        } catch (Exception e) {
            throw new RuntimeException("LibreOffice检查失败: " + e.getMessage());
        }
    }

    private static void setupFontConfig() {
        try {
            String fontConfig =
                    "<?xml version='1.0'?>\n" +
                            "<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>\n" +
                            "<fontconfig>\n" +
                            "  <match target=\"pattern\">\n" +
                            "    <test name=\"family\"><string>SimSun</string></test>\n" +
                            "    <edit name=\"family\" mode=\"assign\" binding=\"same\">\n" +
                            "      <string>WenQuanYi Zen Hei</string>\n" +
                            "    </edit>\n" +
                            "  </match>\n" +
                            "</fontconfig>";

            String userHome = System.getProperty("user.home");
            File fontConfigFile = new File(userHome + "/.fonts.conf");

            try (FileWriter writer = new FileWriter(fontConfigFile)) {
                writer.write(fontConfig);
            }
        } catch (Exception e) {
            System.err.println("警告: 设置字体配置失败 - " + e.getMessage());
        }
    }

    public static MultipartFile convertToMultipartFile(ByteArrayOutputStream baos, String fileName) throws IOException {
        // 创建一个临时文件
@@ -251,12 +399,12 @@
    }

    public String test(String fileName){
        String url = "file:///usr/local/project/file/"+fileName;
//        String url = "file:///usr/local/project/file/"+fileName;
//        String filePath = "E:\\qiyeweixin\\WXWork\\1688855207501340\\Cache\\File\\2024-09";
//        String fileName = "专业技术工作总结.docx";4
        String filePath = "/usr/local/project/file/";

        String s = wordToPdf(url, filePath, fileName);
        String s = wordToPdf(filePath, fileName);
        System.err.println(s);

        return s;