From 6557baac627dce769c2b05ab482e4daf262a88ac Mon Sep 17 00:00:00 2001
From: houruijun <411269194@kidgrow.com>
Date: Wed, 17 Jun 2020 17:34:01 +0800
Subject: [PATCH] 1.增加工具类 MultipartFileUtils ,支持将MultipartFile类型转换为file类型 2.增加缩略图相关全局配置变量：宽高和生成缩略图的暂存目录（缩略图上传成功后会删除） 3.修改文件上传中心的上传代码，将生成目录和aliyun上传方法抽离独立 4.增加医院logo上传支持接口（可返回缩略图地址） 5.修改登录后回去用户信息不完整bug
---
kidgrow-business/kidgrow-filecenter/kidgrow-filecenter-biz/src/main/java/com/kidgrow/filecenter/service/impl/AbstractIFileService.java | 67 ++++++++++++++++++++++++++++++++-
1 files changed, 64 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 527487e..0fbab5b 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
@@ -1,19 +1,27 @@
package com.kidgrow.filecenter.service.impl;
+import cn.hutool.core.util.IdUtil;
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.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;
import com.kidgrow.filecenter.model.FileInfo;
import com.kidgrow.filecenter.service.IFileService;
import com.kidgrow.filecenter.util.FileUtil;
-
import lombok.extern.slf4j.Slf4j;
-
+import net.coobird.thumbnailator.Thumbnails;
import org.apache.commons.collections4.MapUtils;
import org.springframework.web.multipart.MultipartFile;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.util.Date;
import java.util.List;
import java.util.Map;
@@ -82,6 +90,8 @@
* @param fileInfo
*/
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);
/**
* 删除文件
@@ -110,5 +120,56 @@
List<FileInfo> list = baseMapper.findList(page, params);
return PageResult.<FileInfo>builder().data(list).code(0).count(page.getTotal()).build();
}
+ /**
+ * 上传图片-并缩略，其实是给文件服务器存储了两个文件 一个原文件 一个缩略图文件
+ * @param file form内的文件数据
+ * @param imgType 业务类型 例如logo
+ * @return 返回的实体中 path字段保存的是缩略图地址
+ * @throws Exception
+ */
+ @Override
+ public FileInfo uploadForThumbnails(MultipartFile file, String imgType) throws Exception {
+ FileInfo fileInfo=this.upload(file,imgType);
+ if (StringUtils.isNotBlank(fileInfo.getUrl())) {
+ //生成缩略图上传
+ File nowFile= MultipartFileUtils.multipartFileToFile(file);
+ //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;
+ //生成缩略图
+ Thumbnails.of(nowFile).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));
+ String folderByDate = DateUtil.formatDate(new Date());
+ String filefloder=this.FilePath(imgType,folderByDate);
+ FileInfo newfileInfo=new FileInfo();
+ newfileInfo.setName(newFileName);
+ newfileInfo.setId(IdUtil.fastSimpleUUID());
+ newfileInfo.setSize(thuFile.length());
+ newfileInfo.setIsImg(true);
+ newfileInfo.setContentType(file.getContentType());
+ newfileInfo.setSource(fileInfo.getSource());
+ newfileInfo.setImgType(imgType);
+ newfileInfo.setCreateTime(new Date());
+ //文件上传到oss
+ this.fileUpLoadOss(newfileInfo,filefloder+newFileName,inputStream);
+ // 将文件信息保存到数据库
+ baseMapper.insert(newfileInfo);
+ fileInfo.setPath(newfileInfo.getUrl());
+ //删除暂存文件
+ MultipartFileUtils.delteTempFile(thuFile);
+ inputStream.close();
+ }
+ return fileInfo;
+ }
+ else
+ {
+ return fileInfo;
+ }
+ }
}
--
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