From ac79f760b21529694f4257d508c989beb7a31194 Mon Sep 17 00:00:00 2001
From: mitao <2763622819@qq.com>
Date: 星期四, 03 四月 2025 21:36:19 +0800
Subject: [PATCH] bug修改
---
ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/PdfUtils.java | 273 ++++++++++++++++++++++++++----------------------------
1 files changed, 133 insertions(+), 140 deletions(-)
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/PdfUtils.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/PdfUtils.java
index 172bfd6..ba43f3f 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/PdfUtils.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/PdfUtils.java
@@ -15,6 +15,7 @@
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
@@ -68,188 +69,180 @@
public String wordToPdf(String filePath, String fileName) {
try {
- // 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";
+ // 确保路径正确性
+ String inputFile = new File(filePath, fileName).getAbsolutePath();
+ String outputDir = new File(filePath, "pdf").getAbsolutePath();
- // 2. 创建临时文件用于转换
- String tempDocx = createTempFileWithEncoding(inputFile);
+ // 创建输出目录
+ new File(outputDir).mkdirs();
- // 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);
+ // 使用完整的转换参数
+ List<String> command = Arrays.asList(
+ "/usr/bin/libreoffice", // 使用完整路径
+ "--headless",
+ "--norestore",
+ "--convert-to",
+ "pdf:writer_pdf_Export:PDFExport{" +
+ "EmbedStandardFonts=1;" +
+ "EmbedFonts=1;" +
+ "EmbedOnlyUsedFonts=0;" +
+ "UseTaggedPDF=1" +
+ "}",
+ "--outdir",
+ outputDir,
+ inputFile
+ );
+ // 创建进程构建器
ProcessBuilder pb = new ProcessBuilder(command);
- // 4. 设置更完整的环境变量
+ // 设置环境变量
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
+ // 重定向错误流到标准输出
+ pb.redirectErrorStream(true);
+
+ // 启动进程
Process process = pb.start();
- // 6. 读取输出
+ // 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");
+ System.out.println(line);
}
}
- // 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());
+ // 等待进程完成，设置超时
+ if (!process.waitFor(120, TimeUnit.SECONDS)) {
+ process.destroyForcibly();
+ throw new RuntimeException("转换超时");
}
+
+ int exitCode = process.exitValue();
+ if (exitCode != 0) {
+ throw new RuntimeException("转换失败，退出码：" + exitCode + "\n输出：" + output);
+ }
+
+ // 检查生成的PDF文件
+ String pdfFileName = fileName.substring(0, fileName.lastIndexOf(".")) + ".pdf";
+ File pdfFile = new File(outputDir, pdfFileName);
+
+ if (!pdfFile.exists() || pdfFile.length() == 0) {
+ throw new RuntimeException("PDF文件未生成或为空");
+ }
+ String absolutePath = pdfFile.getAbsolutePath();
+
+ MultipartFile multipartFile = convertFileToMultipartFile(pdfFile);
+ String s = tencentCosUtil.upLoadFile(multipartFile,"/wordToPdf");
+ return s;
} catch (Exception e) {
throw new RuntimeException("PDF转换失败: " + e.getMessage(), e);
}
}
- private static String createTempFileWithEncoding(String inputFile) {
+
+ public MultipartFile convertFileToMultipartFile(File file) throws IOException {
+ // 读取文件内容到字节数组
+ byte[] fileContent = Files.readAllBytes(file.toPath());
+
+ // 创建 MultipartFile 对象
+ MultipartFile multipartFile = new MockMultipartFile(
+ file.getName(), // 文件名
+ file.getName(), // 原始文件名
+ "application/pdf", // 内容类型，根据实际情况调整
+ fileContent // 文件内容
+ );
+
+ return multipartFile;
+ }
+
+ // 在使用前检查和配置环境
+ public static void setupEnvironment() {
try {
- // 1. 读取原始文档
- XWPFDocument doc = new XWPFDocument(new FileInputStream(inputFile));
+ // 1. 检查LibreOffice安装
+ checkLibreOffice();
- // 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);
+ // 2. 检查和安装字体
+ installFonts();
- // 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. 配置字体
+ configureFonts();
- // 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;
+ // 4. 验证环境变量
+ checkEnvironment();
} catch (Exception e) {
- throw new RuntimeException("处理文档编码失败: " + e.getMessage(), e);
+ throw new RuntimeException("环境设置失败: " + 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 checkLibreOffice() throws IOException, InterruptedException {
+ Process process = Runtime.getRuntime().exec("which libreoffice");
+ if (process.waitFor() != 0) {
+ throw new RuntimeException("LibreOffice未安装");
}
}
- 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 installFonts() throws IOException, InterruptedException {
+ // 创建字体安装脚本
+ String scriptContent =
+ "#!/bin/bash\n" +
+ "apt-get update\n" +
+ "apt-get install -y fonts-wqy-zenhei fonts-wqy-microhei fonts-arphic-ukai fonts-arphic-uming\n" +
+ "fc-cache -fv\n";
+
+ File script = new File("/tmp/install_fonts.sh");
+ Files.write(script.toPath(), scriptContent.getBytes());
+ script.setExecutable(true);
+
+ // 执行脚本
+ Process process = Runtime.getRuntime().exec("sudo /tmp/install_fonts.sh");
+ process.waitFor();
+
+ // 清理脚本
+ script.delete();
}
- 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");
- }
+ private static void configureFonts() throws IOException {
+ // 创建字体配置文件
+ String fontConfig =
+ "<?xml version=\"1.0\"?>\n" +
+ "<!DOCTYPE fontconfig SYSTEM \"fonts.dtd\">\n" +
+ "<fontconfig>\n" +
+ " <match target=\"pattern\">\n" +
+ " <test name=\"family\"><string>serif</string></test>\n" +
+ " <edit name=\"family\" mode=\"prepend\">\n" +
+ " <string>WenQuanYi Zen Hei</string>\n" +
+ " </edit>\n" +
+ " </match>\n" +
+ " <match target=\"pattern\">\n" +
+ " <test name=\"family\"><string>sans-serif</string></test>\n" +
+ " <edit name=\"family\" mode=\"prepend\">\n" +
+ " <string>WenQuanYi Zen Hei</string>\n" +
+ " </edit>\n" +
+ " </match>\n" +
+ "</fontconfig>";
+
+ // 写入配置文件
+ File configFile = new File(System.getProperty("user.home") + "/.fonts.conf");
+ Files.write(configFile.toPath(), fontConfig.getBytes());
+ }
+
+ private static void checkEnvironment() {
+ // 检查环境变量
+ String[] requiredVars = {"LANG", "LC_ALL", "LANGUAGE"};
+ for (String var : requiredVars) {
+ String value = System.getenv(var);
+ if (value == null || !value.contains("zh_CN")) {
+ System.err.println("警告: " + var + " 环境变量未正确设置");
}
- } 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());
}
}
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