From f396628c87b143f233503b23f36e4fc76df25ab2 Mon Sep 17 00:00:00 2001
From: zhaoxiaohao <913652501@qq.com>
Date: Sat, 04 Jul 2020 21:04:27 +0800
Subject: [PATCH] 开放一些接口,添加上传base64的功能

---
 kidgrow-business/kidgrow-filecenter/kidgrow-filecenter-biz/src/main/java/com/kidgrow/filecenter/service/impl/AbstractIFileService.java |   73 +++++++++++++++++++++++++++++++++++-
 1 files changed, 70 insertions(+), 3 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 f48f7ce..71d54eb 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
@@ -1,10 +1,12 @@
 package com.kidgrow.filecenter.service.impl;
 
 import cn.hutool.core.util.IdUtil;
+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;
@@ -16,14 +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.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.multipart.MultipartFile;
+import sun.misc.BASE64Decoder;
+import sun.misc.BASE64Encoder;
 
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.InputStream;
+import java.io.*;
 import java.util.Date;
 import java.util.List;
 import java.util.Map;
+import java.util.UUID;
 
 /**
  * 石家庄喜高科技有限责任公司 版权所有 © Copyright 2020<br>
@@ -171,5 +176,67 @@
             return fileInfo;
         }
     }
+
+    @Override
+    public FileInfo baseUplaod(String file, String imgType) {
+        if(file==null||"".equals(file.trim())){
+            return null;
+        }
+        String name=file.split(",")[0];
+        file = file.split(",")[1];
+        BASE64Decoder decoder = new BASE64Decoder();
+        try {
+            byte[] bytes = decoder.decodeBuffer(file);
+            ObjectMetadata objectMeta = new ObjectMetadata();
+            objectMeta.setContentLength(file.length());
+            //将字节码转换成流
+            InputStream input = new ByteArrayInputStream(bytes);
+            String fileName= UUID.randomUUID().toString().replaceAll("-","");
+            //image/jpeg;base64
+            String newFileName=fileName+"."+name.substring(name.lastIndexOf("/")+1,name.lastIndexOf(";"));
+            FileInfo newfileInfo=new FileInfo();
+            newfileInfo.setName(newFileName);
+            newfileInfo.setId(IdUtil.fastSimpleUUID());
+            newfileInfo.setSize(file.length());
+            newfileInfo.setIsImg(true);
+            newfileInfo.setContentType("image/jpeg");
+            newfileInfo.setSource("aliyun");
+            newfileInfo.setImgType(imgType);
+            newfileInfo.setCreateTime(new Date());
+            this.fileUpLoadOss(newfileInfo,"HospitalLogo/"+newFileName,input);
+            input.close();
+            baseMapper.insert(newfileInfo);
+            return newfileInfo;
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    @Override
+    public ResultBody baseDownLoad(Map<String, Object> map) {
+        List<FileInfo> fileInfos = baseMapper.selectByMap(map);
+        if(fileInfos.size()>0){
+            FileInfo fileInfo = fileInfos.get(0);
+            InputStream in = null;
+            byte[] data = null;
+            //读取图片字节数组
+            try{
+                in = new FileInputStream(fileInfo.getUrl());
+                data = new byte[in.available()];
+                in.read(data);
+                in.close();
+            }catch (IOException e){
+                e.printStackTrace();
+            }
+            //对字节数组Base64编码
+            BASE64Encoder encoder = new BASE64Encoder();
+            //返回Base64编码过的字节数组字符串
+            String encode = encoder.encode(data);
+            return ResultBody.ok().data(encode);
+        }else {
+            return ResultBody.failed("获取数据失败");
+        }
+    }
 }
 

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