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modules/bjflapi/src/main/java/com/jeesite/modules/bjflapi/report/ResearchBriefReportControllerApi.java

@@ -2,7 +2,11 @@ package com.jeesite.modules.bjflapi.report;
 
 import com.jeesite.common.collect.ListUtils;
 import com.jeesite.common.collect.MapUtils;
+import com.jeesite.common.constant.Constants;
 import com.jeesite.common.entity.Page;
+import com.jeesite.modules.file.entity.FileEntity;
+import com.jeesite.modules.file.entity.FileUpload;
+import com.jeesite.modules.file.utils.FileUploadUtils;
 import com.jeesite.modules.report.entity.ResearchBriefReport;
 import com.jeesite.modules.report.entity.ResearchBriefReportLabel;
 import com.jeesite.modules.report.service.ResearchBriefReportLabelRelevancyService;
@@ -10,13 +14,15 @@ import com.jeesite.modules.report.service.ResearchBriefReportService;
 import com.jeesite.modules.sys.utils.R;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.io.IOUtils;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.*;
 import java.util.List;
 import java.util.Map;
 
@@ -28,6 +34,9 @@ public class ResearchBriefReportControllerApi {
     private ResearchBriefReportService researchBriefReportService;
     @Resource
     private ResearchBriefReportLabelRelevancyService relevancyService;
+    @Value("${file.baseDir}")
+    private String basePath;
+    private final static String serverPath = "/userfiles/fileupload/";
 
     /**
      * 简报智库分页列表
@@ -110,4 +119,37 @@ public class ResearchBriefReportControllerApi {
     public R<List<ResearchBriefReport>> choicenessReports(String marketType) {
         return R.ok(researchBriefReportService.choicenessReports(marketType));
     }
+
+    @RequestMapping(value = "/download", method = RequestMethod.GET)
+    public void download(String id, HttpServletResponse response) {
+        List<FileUpload> list = FileUploadUtils.findFileUpload(id, Constants.briefReport.BRIEFING_INFO_PREVIEW_PDF);
+        String fileName = basePath + serverPath;
+        if (CollectionUtils.isEmpty(list)) {
+            return;
+        }
+        FileEntity fileEntity = list.get(0).getFileEntity();
+        if (fileEntity != null) {
+            fileName = fileName + fileEntity.getFilePath() + fileEntity.getFileId() + '.' + fileEntity.getFileExtension() ;
+        }
+        response.reset();
+        response.setContentType("application/pdf");
+        FileInputStream fileInputStream = null;
+        OutputStream outputStream = null;
+        try {
+            File file = new File(fileName);
+            fileInputStream = new FileInputStream(file);
+            outputStream = response.getOutputStream();
+            IOUtils.copy(fileInputStream, outputStream);
+            outputStream.flush();
+            response.setHeader("Content-Disposition",
+                    "inline; filename= file");
+            outputStream.flush();
+        } catch (Exception e) {
+        } finally {
+            // 使用IOUtils关闭流，它会安全地处理null值
+            IOUtils.closeQuietly(fileInputStream);
+            IOUtils.closeQuietly(outputStream);
+        }
+//        return response;
+    }
 }