From 2151f9f08df8e60370efdb312a1814f4a78023a6 Mon Sep 17 00:00:00 2001
From: zxh <279049017@qq.com>
Date: Tue, 25 Aug 2020 19:49:23 +0800
Subject: [PATCH] 修改上传空的bug

---
 kidgrow-business/kidgrow-filecenter/kidgrow-filecenter-biz/src/main/java/com/kidgrow/filecenter/service/impl/AbstractIFileService.java |  142 +++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 125 insertions(+), 17 deletions(-)

diff --git a/kidgrow-business/kidgrow-filecenter/kidgrow-filecenter-biz/src/main/java/com/kidgrow/filecenter/service/impl/AbstractIFileService.java b/kidgrow-business/kidgrow-filecenter/kidgrow-filecenter-biz/src/main/java/com/kidgrow/filecenter/service/impl/AbstractIFileService.java
index 638d6a0..3029f24 100644
--- a/kidgrow-business/kidgrow-filecenter/kidgrow-filecenter-biz/src/main/java/com/kidgrow/filecenter/service/impl/AbstractIFileService.java
+++ b/kidgrow-business/kidgrow-filecenter/kidgrow-filecenter-biz/src/main/java/com/kidgrow/filecenter/service/impl/AbstractIFileService.java
@@ -1,13 +1,14 @@
 package com.kidgrow.filecenter.service.impl;
 
 import cn.hutool.core.util.IdUtil;
+import com.aliyun.oss.model.OSSObject;
 import com.aliyun.oss.model.ObjectMetadata;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.kidgrow.common.constant.CommonConstant;
 import com.kidgrow.common.model.PageResult;
+import com.kidgrow.common.model.ResultBody;
 import com.kidgrow.common.utils.DateUtil;
-import com.kidgrow.common.utils.MultipartFileUtils;
 import com.kidgrow.common.utils.RandomValueUtils;
 import com.kidgrow.common.utils.StringUtils;
 import com.kidgrow.filecenter.mapper.FileMapper;
@@ -17,15 +18,17 @@
 import lombok.extern.slf4j.Slf4j;
 import net.coobird.thumbnailator.Thumbnails;
 import org.apache.commons.collections4.MapUtils;
-import org.springframework.http.MediaType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.web.multipart.MultipartFile;
 import sun.misc.BASE64Decoder;
+import sun.misc.BASE64Encoder;
 
 import java.io.*;
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.*;
 
 /**
  * 石家庄喜高科技有限责任公司 版权所有 © Copyright 2020<br>
@@ -38,7 +41,10 @@
 @Slf4j
 public abstract class AbstractIFileService extends ServiceImpl<FileMapper, FileInfo> implements IFileService {
     private static final String FILE_SPLIT = ".";
+    private static Logger logger = LoggerFactory.getLogger(AbstractIFileService.class);
 
+    @Value("${kidgrow.file-server.oss.domain}")
+    private  String DOMAIN;
     @Override
     public FileInfo upload(MultipartFile file) throws Exception {
         FileInfo fileInfo = FileUtil.getFileInfo(file);
@@ -93,7 +99,8 @@
      */
     protected abstract void uploadFile(MultipartFile file, FileInfo fileInfo) throws Exception;
     protected abstract void fileUpLoadOss(FileInfo fileInfo,String newFilePath, InputStream fileStream);
-    protected abstract String FilePath(String imgType,String folderByDate);
+    protected abstract String FilePath(String imgType,String folderByDate,String hospitalId,String departmentId);
+    protected abstract OSSObject down(String url);
 
     /**
      * 删除文件
@@ -132,22 +139,27 @@
     @Override
     public FileInfo uploadForThumbnails(MultipartFile file, String imgType) throws Exception {
         FileInfo fileInfo=this.upload(file,imgType);
+        List<String> lassStr= Arrays.asList("png","bmp","dib","gif","jfif","jpe","jpeg","jpg","tif","tiff","ico");
+        String suffix=file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".")+1);
+        if(!lassStr.contains(suffix)){
+            return null;
+        }
         if (StringUtils.isNotBlank(fileInfo.getUrl())) {
             //生成缩略图上传
-            File nowFile= MultipartFileUtils.multipartFileToFile(file);
+//            File nowFile= MultipartFileUtils.multipartFileToFile(file);
+//            File nowFile= new File(file.getOriginalFilename());
             //暂存目录  发布后真实存在的磁盘目录
             String result = CommonConstant.TEMP_IMAGE_PATH;
             //文件扩展名
-            String suffix=file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
-            String newFileName= RandomValueUtils.uuid()+suffix;
+            String newFileName= RandomValueUtils.uuid()+"."+suffix;
             //生成缩略图
-            Thumbnails.of(nowFile).size(CommonConstant.TH_IMG_WIDTH, CommonConstant.TH_IMG_HEIGHT).toFile(result+newFileName);
+            Thumbnails.of(file.getInputStream()).size(CommonConstant.TH_IMG_WIDTH, CommonConstant.TH_IMG_HEIGHT).toFile(result+newFileName);
             File thuFile= new File(result+newFileName);
             if (thuFile.exists()) {
                 //将生成的文件转换为流
-                InputStream inputStream=new FileInputStream(new File(result+newFileName));
+                InputStream inputStream=new FileInputStream(thuFile);
                 String folderByDate = DateUtil.formatDate(new Date());
-                String filefloder=this.FilePath(imgType,folderByDate);
+                String filefloder=this.FilePath(imgType,folderByDate,null,null);
                 FileInfo newfileInfo=new FileInfo();
                 newfileInfo.setName(newFileName);
                 newfileInfo.setId(IdUtil.fastSimpleUUID());
@@ -160,8 +172,10 @@
                 //文件上传到oss
                 this.fileUpLoadOss(newfileInfo,filefloder+newFileName,inputStream);
                 inputStream.close();
-                //删除暂存文件
-                MultipartFileUtils.delteTempFile(thuFile);
+//                //删除暂存文件
+//                MultipartFileUtils.delteTempFile(thuFile);
+                boolean delete = thuFile.delete();
+
                 // 将文件信息保存到数据库
                 baseMapper.insert(newfileInfo);
                 fileInfo.setPath(newfileInfo.getUrl());
@@ -175,7 +189,7 @@
     }
 
     @Override
-    public FileInfo baseUplaod(String file, String imgType) {
+    public FileInfo baseUplaod(String file, String imgType, String hospitalId, String departmentId) {
         if(file==null||"".equals(file.trim())){
             return null;
         }
@@ -200,7 +214,9 @@
             newfileInfo.setSource("aliyun");
             newfileInfo.setImgType(imgType);
             newfileInfo.setCreateTime(new Date());
-            this.fileUpLoadOss(newfileInfo,"HospitalLogo/"+newFileName,input);
+            String folderByDate =DateUtil.formatDate(new Date());
+            String filePath = FilePath(imgType, folderByDate, hospitalId, departmentId);
+            this.fileUpLoadOss(newfileInfo,filePath+newFileName,input);
             input.close();
             baseMapper.insert(newfileInfo);
             return newfileInfo;
@@ -209,5 +225,97 @@
         }
         return null;
     }
+
+    @Override
+    public ResultBody baseDownLoad(Map<String, Object> map) throws Exception {
+        String urlDiZhi=MapUtils.getString(map,"url");
+        if(!urlDiZhi.contains(DOMAIN)){
+            ByteArrayOutputStream outPut = new ByteArrayOutputStream();
+            byte[] data = new byte[1024];
+            try {
+                // 创建URL
+                URL url = new URL(urlDiZhi);
+                // 创建链接
+                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+                conn.setRequestMethod("GET");
+                conn.setConnectTimeout(10 * 1000);
+                InputStream inStream = conn.getInputStream();
+                int len = -1;
+                while ((len = inStream.read(data)) != -1) {
+                    outPut.write(data, 0, len);
+                }
+                inStream.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+            String substring = urlDiZhi.substring(urlDiZhi.lastIndexOf(".") + 1, urlDiZhi.length());
+            String str="data:image/" + substring + ";base64,";
+            // 对字节数组Base64编码
+            BASE64Encoder encoder = new BASE64Encoder();
+            System.out.println(encoder.encode(outPut.toByteArray()));
+            return ResultBody.ok().data(str+encoder.encode(outPut.toByteArray()).replaceAll("\n", "").replaceAll("\r", ""));
+        }else {
+            List<FileInfo> fileInfos = baseMapper.selectByMap(map);
+            if (fileInfos.size() > 0) {
+                FileInfo fileInfo = fileInfos.get(0);
+                OSSObject down = this.down(fileInfo.getUrl().replace(DOMAIN, ""));
+                InputStream objectContent = down.getObjectContent();
+                //返回Base64编码过的字节数组字符串
+                byte[] data = null;
+                // 读取图片字节数组
+                try {
+                    ByteArrayOutputStream swapStream = new ByteArrayOutputStream();
+                    byte[] buff = new byte[100];
+                    int rc = 0;
+                    while ((rc = objectContent.read(buff, 0, 100)) > 0) {
+                        swapStream.write(buff, 0, rc);
+                    }
+                    data = swapStream.toByteArray();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                } finally {
+                    if (objectContent != null) {
+                        try {
+                            objectContent.close();
+                            down.close();
+                        } catch (IOException e) {
+                            throw new Exception("输入流关闭异常");
+                        }
+                    }
+                }
+                String encode = "data:" + fileInfo.getContentType() + ";base64," + Base64.getEncoder().encodeToString(data);
+                return ResultBody.ok().data(encode);
+            } else {
+                return ResultBody.failed("获取数据失败");
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+
+        ByteArrayOutputStream outPut = new ByteArrayOutputStream();
+        byte[] data = new byte[1024];
+        try {
+            // 创建URL
+            URL url = new URL("http://192.168.2.25:8008/123/J-1.jpg");
+            // 创建链接
+            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+            conn.setRequestMethod("GET");
+            conn.setConnectTimeout(10 * 1000);
+            InputStream inStream = conn.getInputStream();
+            int len = -1;
+            while ((len = inStream.read(data)) != -1) {
+                outPut.write(data, 0, len);
+            }
+            inStream.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        // 对字节数组Base64编码
+        BASE64Encoder encoder = new BASE64Encoder();
+        System.out.println(encoder.encode(outPut.toByteArray()));
+
+    }
+
 }
 

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