pdf

lib/EmergencyService/zdxtEmergencyAppService/src/main/java/com/zdxt/app/controller/AppEnforceSystemNoticeController.java

@@ -1,14 +1,25 @@
 package com.zdxt.app.controller;
 
+import com.zdxt.auth.framework.web.domain.AjaxResult;
 import com.zdxt.auth.project.system.notice.domain.Notice;
 import com.zdxt.auth.project.system.notice.service.INoticeService;
+import com.zdxt.code.domain.EnforcementInspectionProgram;
 import com.zdxt.common.ZDResponse;
 import com.zdxt.common.controller.BaseController;
+import com.zdxt.common.util.StringUtils;
 import com.zdxt.common.util.TableDataInfo;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.rendering.PDFRenderer;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
 
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 
@@ -84,4 +95,12 @@ public class AppEnforceSystemNoticeController extends BaseController {
         return ZDResponse.success("获取成功", map);
     }
 
+    /**
+     * 转换pdf
+     */
+    @PostMapping("/transPdf")
+    @ResponseBody
+    public AjaxResult transPdf(@RequestBody Notice notice){
+       return noticeService.transPdf(notice);
+    }
 }

lib/EmergencyService/zdxtEmergencyAuthService/src/main/java/com/zdxt/auth/project/system/notice/domain/Notice.java

@@ -57,6 +57,16 @@ public class Notice extends BaseDomain
 
     private  List<FileObject> fileObjects;
 
+    private String url;
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
     /**
      * 文件对象
      */

lib/EmergencyService/zdxtEmergencyAuthService/src/main/java/com/zdxt/auth/project/system/notice/service/INoticeService.java

@@ -1,7 +1,9 @@
 package com.zdxt.auth.project.system.notice.service;
 
+import com.zdxt.auth.framework.web.domain.AjaxResult;
 import com.zdxt.auth.project.system.notice.domain.Notice;
 import com.zdxt.common.zdxtFile.AttFileRespDTO;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.util.List;
@@ -86,4 +88,6 @@ public interface INoticeService
      * @return
      */
     public int removeFile(String key);
+
+    public AjaxResult transPdf(Notice notice);
 }

lib/EmergencyService/zdxtEmergencyAuthService/src/main/java/com/zdxt/auth/project/system/notice/service/NoticeServiceImpl.java

@@ -1,5 +1,9 @@
 package com.zdxt.auth.project.system.notice.service;
 
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.IOException;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -14,6 +18,7 @@ import com.zdxt.auth.dto.ZdxtFileBean;
 import com.zdxt.auth.feign.FileUploadApi;
 import com.zdxt.auth.feign.UserApi;
 import com.zdxt.auth.feign.ZdxtFileCommonApi;
+import com.zdxt.auth.framework.web.domain.AjaxResult;
 import com.zdxt.auth.project.system.dept.mapper.DeptMapper;
 import com.zdxt.auth.project.system.dept.service.IDeptService;
 import com.zdxt.common.annotation.DataScope;
@@ -22,8 +27,11 @@ import com.zdxt.common.zdxtFile.FilePreviewUtilBean;
 import com.zdxt.common.zdxtFile.ZdxtFileCommon;
 import com.zdxt.domain.auth.Dept;
 import org.apache.commons.collections.CollectionUtils;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.rendering.PDFRenderer;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import com.zdxt.auth.common.utils.security.ShiroUtils;
 import com.zdxt.auth.common.utils.text.Convert;
@@ -31,6 +39,8 @@ import com.zdxt.auth.project.system.notice.mapper.NoticeMapper;
 import com.zdxt.auth.project.system.notice.domain.Notice;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.imageio.ImageIO;
+
 /**
  * 公告 服务层实现
  *
@@ -55,6 +65,10 @@ public class NoticeServiceImpl implements INoticeService
     @Autowired
     private UserApi userApi;
 
+    @Value("${ruoyi.profile}")
+    private String filePath;
+
+
     /**
      * 查询公告信息
      *
@@ -352,4 +366,44 @@ public class NoticeServiceImpl implements INoticeService
     public int removeFile(String key) {
         return zdxtFileCommonApi.deleteZdxtFileById(key);
     }
+
+    @Override
+    public AjaxResult transPdf(Notice notice) {
+        List<byte[]> pngs = new ArrayList<>();
+        long startTime = System.currentTimeMillis();
+        System.out.println("地址。。。。 " + filePath+notice.getUrl());
+        // 将文件地址和文件名拼接成路径 注意：线上环境不能使用\\拼接
+        if (com.zdxt.common.util.StringUtils.isNotEmpty(notice.getUrl())){
+            String url = notice.getUrl();
+            int index = url.indexOf("upload"); // 找到"示例"的索引位置
+            if (index != -1) {
+                url = url.substring(index + "upload".length());
+            }
+            notice.setUrl(url);
+        }
+        System.out.println("测试地址。。。。 " + filePath+notice.getUrl());
+        File file = new File(filePath+notice.getUrl());
+        try {
+            // 写入文件
+            PDDocument doc = PDDocument.load(file);
+            PDFRenderer renderer = new PDFRenderer(doc);
+            int pageCount = doc.getNumberOfPages();
+            for (int i = 0; i < pageCount; i++) {
+                // dpi为144，越高越清晰，转换越慢
+                BufferedImage image = renderer.renderImageWithDPI(i, 50); // Windows native DPI
+                ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                ImageIO.write(image, "png", baos); // 使用"png"或其他支持的格式，如"jpg"
+                byte[] imageInByte = baos.toByteArray(); // 将图像数据转换为字节数组
+                pngs.add(imageInByte);
+                baos.close(); // 关闭流
+                // 将图片写出到该路径下
+                //ImageIO.write(image, type, new File(fileAddress + "\\" + filename + "_" + (i + 1) + "." + type));
+            }
+            long endTime = System.currentTimeMillis();
+            System.out.println("共耗时：" + ((endTime - startTime) / 1000.0) + "秒");  //转化用时
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return AjaxResult.success(pngs);
+    }
 }