文件流传入

gavel/src/main/java/com/gavel/kwell/controller/KmesBoardController.java

@@ -2,13 +2,11 @@ package com.gavel.kwell.controller;
 
 import com.alibaba.fastjson.JSONObject;
 import com.gavel.common.base.controller.BaseController;
-import com.gavel.common.utils.ThreadContext;
 import com.gavel.kwell.service.KmesBoardService;
 import com.gavel.kwell.vo.GpfkHgVO;
 import com.gavel.kwell.vo.PcslVO;
 import com.gavel.kwell.vo.SdclVO;
 import com.gavel.kwell.vo.UWoVO;
-import com.gavel.wo.persistent.Pcjhmx;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -16,6 +14,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.ResponseBody;
 
+import javax.servlet.http.HttpServletResponse;
+import java.io.FileInputStream;
 import java.util.List;
 
 @Controller
@@ -127,25 +127,24 @@ public class KmesBoardController extends BaseController {
 
 
     /**
-     * 视频路径api
+     * pdf路径api
      */
-    @RequestMapping(value ="getPdf", method = RequestMethod.POST)
-    @ResponseBody
-    public Object getPdf(@RequestBody JSONObject param) {
-        returnData().add("pdf", kmesBoardService.getPdf());
-        return ThreadContext.getReturnData();
+    @RequestMapping(value ="getPdf")
+    public void getPdf(HttpServletResponse response) {
+        FileInputStream fileInputStream = kmesBoardService.getPdf();
+        kmesBoardService.doAttachmentPreview(response, fileInputStream);
     }
 
     /**
      * 视频路径api
      */
 
-    @RequestMapping(value ="getVideo", method = RequestMethod.POST)
-    @ResponseBody
-    public Object getVideo(@RequestBody JSONObject param) {
-        returnData().add("video", kmesBoardService.getVideo());
-        return ThreadContext.getReturnData();
+    @RequestMapping(value ="getVideo")
+    public void getVideo(HttpServletResponse response) {
+        FileInputStream fileInputStream = kmesBoardService.getVideo();
+        kmesBoardService.doAttachmentPreview(response, fileInputStream);
     }
 
 
+
 }

gavel/src/main/java/com/gavel/kwell/service/KmesBoardService.java

@@ -7,6 +7,8 @@ import com.gavel.kwell.vo.SdclVO;
 import com.gavel.kwell.vo.UWoVO;
 import com.gavel.wo.persistent.Pcjhmx;
 
+import javax.servlet.http.HttpServletResponse;
+import java.io.FileInputStream;
 import java.util.List;
 
 
@@ -26,7 +28,11 @@ public interface KmesBoardService extends BaseEditService {
 
   public List<GpfkHgVO> queryGpfkHgl();
 
-  public String getPdf();
+  public FileInputStream getPdf();
 
-  public String getVideo();
+  public FileInputStream getVideo();
+
+  public FileInputStream downloadFile(String path);
+
+  public void doAttachmentPreview(HttpServletResponse response, FileInputStream fileInputStream);
 }

gavel/src/main/java/com/gavel/kwell/service/impl/KmesBoardServiceImpl.java

@@ -4,6 +4,7 @@ import com.gavel.common.base.service.impl.BaseEditServiceImpl;
 import com.gavel.common.business.service.CommonService;
 import com.gavel.common.utils.DateUtils;
 import com.gavel.common.utils.NumberUtils;
+import com.gavel.common.utils.StringUtils;
 import com.gavel.kwell.dao.GpfkcxDao;
 import com.gavel.kwell.dao.KmesBoardDao;
 import com.gavel.kwell.persistent.Gpfk;
@@ -15,10 +16,14 @@ import com.gavel.kwell.vo.PcslVO;
 import com.gavel.kwell.vo.SdclVO;
 import com.gavel.kwell.vo.UWoVO;
 import com.gavel.wo.persistent.Pcjhmx;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import javax.servlet.http.HttpServletResponse;
+import java.io.*;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
@@ -29,6 +34,9 @@ import java.util.List;
 @Transactional
 public class KmesBoardServiceImpl extends BaseEditServiceImpl implements KmesBoardService {
 
+
+    private Logger logger = LoggerFactory.getLogger(KmesBoardServiceImpl.class);
+
     @Autowired
     private KmesBoardDao kmesBoardDao;
 
@@ -135,12 +143,64 @@ public class KmesBoardServiceImpl extends BaseEditServiceImpl implements KmesBoa
     }
 
     @Override
-    public String getPdf() {
-        return commonService.getStringOptionValue(KwellParamEnum.DASHBORAD_PDF.getId());
+    public FileInputStream getPdf() {
+        String path = commonService.getStringOptionValue(KwellParamEnum.DASHBORAD_PDF.getId());
+        if(StringUtils.isEmpty(path)) {
+            logger.error("文件路径参数为空，请检查！");
+            return null;
+        }
+        return downloadFile(path);
+    }
+
+    @Override
+    public FileInputStream getVideo() {
+        String path = commonService.getStringOptionValue(KwellParamEnum.DASHBORAD_VIDEO.getId());
+        if(StringUtils.isEmpty(path)) {
+            logger.error("文件路径参数为空，请检查！");
+            return null;
+        }
+        return downloadFile(path);
+    }
+
+    @Override
+    public void doAttachmentPreview(HttpServletResponse response, FileInputStream fileInputStream) {
+        try {
+            BufferedInputStream bis = new BufferedInputStream(fileInputStream);
+            try {
+                BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream());
+                try {
+                    byte[] buff = new byte[2048];
+
+                    int bytesRead;
+                    while(-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
+                        bos.write(buff, 0, bytesRead);
+                    }
+                } finally {
+                    bos.close();
+                }
+            } finally {
+                bis.close();
+            }
+        } catch (Exception var23) {
+            this.logger.error("", var23);
+        }
     }
 
     @Override
-    public String getVideo() {
-        return commonService.getStringOptionValue(KwellParamEnum.DASHBORAD_VIDEO.getId());
+    public FileInputStream downloadFile(String path) {
+        File dataFile = new File(path);
+        if (dataFile.exists()) {
+            //获取输入流
+            FileInputStream inStream = null;
+            try {
+                inStream = new FileInputStream(dataFile);
+            } catch (FileNotFoundException e) {
+                logger.error(e.getMessage());
+            }
+            return inStream;
+        }
+        return null;
     }
+
+
 }