添加政策导出

ruoyi-bussiness/pom.xml

@@ -116,6 +116,12 @@
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jsr310</artifactId>
         </dependency>
+        <!-- openpdf -->
+        <dependency>
+            <groupId>com.github.librepdf</groupId>
+            <artifactId>openpdf</artifactId>
+            <version>1.3.30</version>
+        </dependency>
     </dependencies>
 
 </project>

ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/CmsPolicyInfoController.java

@@ -3,6 +3,7 @@ package com.ruoyi.cms.controller.cms;
 import com.ruoyi.cms.domain.policy.PolicyInfo;
 import com.ruoyi.cms.domain.policy.PolicyInfoQuery;
 import com.ruoyi.cms.service.policy.IPolicyInfoService;
+import com.ruoyi.cms.util.pdf.OpenPdfPolicyUtil;
 import com.ruoyi.common.annotation.Log;
 import com.ruoyi.common.core.controller.BaseController;
 import com.ruoyi.common.core.domain.AjaxResult;
@@ -17,6 +18,7 @@ import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.servlet.http.HttpServletResponse;
 import java.io.File;
 import java.io.IOException;
 import java.time.LocalDate;
@@ -168,4 +170,13 @@ public class CmsPolicyInfoController extends BaseController {
             return error("文件上传失败：" + e.getMessage());
         }
     }
+
+    @GetMapping("/exportUtil")
+    public void pdfByUtil(@RequestParam Long id, HttpServletResponse response) throws Exception {
+        PolicyInfo policyInfo=policyInfoService.selectById(id);
+        if (policyInfo == null) {
+            throw new RuntimeException("未查询到对应政策信息");
+        }
+        OpenPdfPolicyUtil.exportPolicyPdf(policyInfo, response);
+    }
 }

ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/pdf/OpenPdfPolicyUtil.java

@@ -0,0 +1,154 @@
+package com.ruoyi.cms.util.pdf;
+
+import com.lowagie.text.*;
+import com.lowagie.text.pdf.BaseFont;
+import com.lowagie.text.pdf.PdfWriter;
+import com.ruoyi.cms.domain.policy.PolicyInfo;
+
+import javax.servlet.http.HttpServletResponse;
+import java.io.OutputStream;
+import java.net.URLEncoder;
+import java.text.SimpleDateFormat;
+
+/**
+ * OpenPDF 政策PDF导出工具
+ * 优化：表格列宽、文本清洗、自动换行、去除多余空行、增加边框区分
+ */
+public class OpenPdfPolicyUtil {
+    private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
+    private static BaseFont baseFont;
+
+    static {
+        try {
+            // OpenPDF内置中文字体，无需外部ttf，Linux/Windows通用
+            baseFont = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
+        } catch (Exception e) {
+            throw new RuntimeException("初始化PDF宋体字体失败", e);
+        }
+    }
+
+    public static void exportPolicyPdf(PolicyInfo policy, HttpServletResponse response) throws Exception {
+        String rawName = getCleanText(policy.getZcmc());
+        String fileName = URLEncoder.encode(rawName + ".pdf", "UTF-8");
+        response.setContentType("application/pdf");
+        response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
+        response.setHeader("Cache-Control", "no-cache");
+
+        try (OutputStream out = response.getOutputStream();
+             Document document = new Document(PageSize.A4, 40, 40, 60, 60)) {
+
+            PdfWriter writer = PdfWriter.getInstance(document, out);
+            document.open();
+
+            // ========== 1、文档主标题 ==========
+            Font titleFont = new Font(baseFont, 20, Font.BOLD);
+            Paragraph titlePara = new Paragraph(getCleanText(policy.getZcmc()), titleFont);
+            titlePara.setAlignment(Element.ALIGN_CENTER);
+            titlePara.setSpacingAfter(25);
+            document.add(titlePara);
+
+            // ========== 2、基础信息表格（调整列宽20/30/20/30，加宽标题列） ==========
+            Font tableHeadFont = new Font(baseFont, 12, Font.BOLD);
+            Font tableValFont = new Font(baseFont, 12);
+            Table infoTable = new Table(4);
+            float[] colWidth = new float[]{20, 30, 20, 30};
+            infoTable.setWidths(colWidth);
+            infoTable.setWidth(100);
+            infoTable.setBorderWidth(0.6f); // 增加边框，区分单元格
+
+            // 第一行
+            infoTable.addCell(buildCell(getCleanText("政策类型"), tableHeadFont));
+            infoTable.addCell(buildCell(getCleanText(policy.getZclx()), tableValFont));
+            infoTable.addCell(buildCell(getCleanText("政策级别"), tableHeadFont));
+            infoTable.addCell(buildCell(getCleanText(policy.getZcLevel()), tableValFont));
+
+            // 第二行
+            infoTable.addCell(buildCell(getCleanText("发文单位"), tableHeadFont));
+            infoTable.addCell(buildCell(getCleanText(policy.getSourceUnit()), tableValFont));
+            infoTable.addCell(buildCell(getCleanText("受理单位"), tableHeadFont));
+            infoTable.addCell(buildCell(getCleanText(policy.getAcceptUnit()), tableValFont));
+
+            // 第三行
+            String publishDate = policy.getPublishTime() == null ? "无" : DATE_FORMAT.format(policy.getPublishTime());
+            infoTable.addCell(buildCell(getCleanText("发文时间"), tableHeadFont));
+            infoTable.addCell(buildCell(publishDate, tableValFont));
+            infoTable.addCell(buildCell(getCleanText("浏览数量"), tableHeadFont));
+            infoTable.addCell(buildCell(String.valueOf(policy.getViewNum()), tableValFont));
+
+            document.add(infoTable);
+            document.add(new Paragraph(" "));
+
+            // ========== 3、政策四大章节 ==========
+            Font sectionTitleFont = new Font(baseFont, 14, Font.BOLD);
+            Font contentFont = new Font(baseFont, 11);
+            float lineMulti = 1.45f;
+
+            addSection(document, "一、政策内容", policy.getZcContent(), sectionTitleFont, contentFont, lineMulti);
+            addSection(document, "二、补贴标准", policy.getSubsidyStandard(), sectionTitleFont, contentFont, lineMulti);
+            addSection(document, "三、申报条件", policy.getApplyCondition(), sectionTitleFont, contentFont, lineMulti);
+            addSection(document, "四、经办渠道", policy.getHandleChannel(), sectionTitleFont, contentFont, lineMulti);
+
+            /*// ========== 4、附件信息 ==========
+            Paragraph fileTitlePara = new Paragraph("五、附件文件信息", sectionTitleFont);
+            fileTitlePara.setSpacingBefore(18);
+            fileTitlePara.setSpacingAfter(8);
+            document.add(fileTitlePara);
+
+            String fileInfo = "文件名称：" + getCleanText(policy.getFileName()) + "\n文件地址：" + getCleanText(policy.getFileUrl());
+            Paragraph filePara = new Paragraph(fileInfo, contentFont);
+            filePara.setMultipliedLeading(lineMulti);
+            filePara.setIndentationLeft(5);
+            document.add(filePara);*/
+
+            document.close();
+            writer.flush();
+            out.flush();
+        }
+    }
+
+    /**
+     * 构建单元格：移除多余\n换行，仅靠段落间距，消除大量空白行
+     */
+    private static Cell buildCell(String text, Font font) {
+        Cell cell = new Cell();
+        Paragraph cellPara = new Paragraph(text, font);
+        cellPara.setSpacingBefore(4);
+        cellPara.setSpacingAfter(4);
+        cell.add(cellPara);
+        return cell;
+    }
+
+    /**
+     * 新增：统一处理章节标题+正文，自动清洗文本、缩进、行间距
+     */
+    private static void addSection(Document doc, String title, String rawContent, Font titleFont, Font contentFont, float lineHeight) throws DocumentException {
+        Paragraph titlePara = new Paragraph(title, titleFont);
+        titlePara.setSpacingBefore(14);
+        titlePara.setSpacingAfter(7);
+        doc.add(titlePara);
+
+        String cleanContent = getCleanText(rawContent);
+        Paragraph contentPara = new Paragraph(cleanContent, contentFont);
+        contentPara.setMultipliedLeading(lineHeight);
+        contentPara.setIndentationLeft(5);
+        doc.add(contentPara);
+    }
+
+    /**
+     * 核心文本清洗：清除多余换行、空格、统一全角符号，解决公文排版错乱
+     */
+    private static String getCleanText(String str) {
+        if (str == null || str.trim().isEmpty()) {
+            return "无";
+        }
+        // 去除首尾空白
+        String temp = str.trim();
+        // 多个换行替换为单个换行
+        temp = temp.replaceAll("\\s*\n\\s*", "\n");
+        // 多个空格压缩为单个
+        temp = temp.replaceAll(" +", " ");
+        // 全角顿号统一（可选，按需开启）
+        temp = temp.replace("､", "、");
+        return temp;
+    }
+}