package com.matrix.system.common.tools;
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import com.matrix.core.tools.*;
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import com.matrix.system.common.constance.AppConstance;
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import org.springframework.util.FileCopyUtils;
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import org.springframework.web.multipart.MultipartFile;
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import org.springframework.web.multipart.MultipartHttpServletRequest;
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import java.io.File;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.security.NoSuchAlgorithmException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* 文件上传
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*
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* @author JIANGYOUYAO
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* @email 935090232@qq.com
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* @date 2018年6月15日
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*/
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public class UploadUtil {
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private static String STATUSS = "status";
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private static String MSG = "msg";
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/**
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*
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* @author JIANGYOUYAO
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* @email 935090232@qq.com
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* @date 2018年6月15日
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* @param response
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* @param request
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* @param extList
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* @param folderType
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* @param userId
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* @return
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* @throws NoSuchAlgorithmException
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* @throws IOException
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*/
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public static Map<String, String> doUpload(MultipartHttpServletRequest request, List<FileType> extList,
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String folderType, Long userId) throws NoSuchAlgorithmException, IOException {
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Map<String, String> resourceMap = new HashMap<>();
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// 图片保存目录路径
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String baseSavePath = PropertiesUtil.getString(AppConstance.FILES_TORAGE_PATH);
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// 图片保存目录URL
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String baseSaveUrl = PropertiesUtil.getString(AppConstance.NGINX_URL);
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LogUtil.debug("图片保存目录路径={}",baseSavePath);
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LogUtil.debug("图片保存目录URL={}",baseSaveUrl);
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// 检查目录
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File uploadDir = new File(baseSavePath);
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if (!uploadDir.isDirectory()) {
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uploadDir.mkdir();
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}
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// 保存和访问路径检查
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if (StringUtils.isBlank(baseSaveUrl) || StringUtils.isBlank(baseSavePath)) {
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resourceMap.put(STATUSS, "err");
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resourceMap.put(MSG, "服务器图片保存路径配置错误");
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return resourceMap;
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}
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// 检查目录写权限
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if (!uploadDir.canWrite()) {
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resourceMap.put(STATUSS, "err");
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resourceMap.put(MSG, "上传目录没有写权限");
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return resourceMap;
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}
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Map<String, MultipartFile> fileMaps = request.getFileMap();
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for (String key : fileMaps.keySet()) {
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MultipartFile file = fileMaps.get(key);
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if (!FileTypeUtil.checkFileType(file.getInputStream(), extList)) {
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resourceMap.put(STATUSS, "err");
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resourceMap.put(MSG, "文件类型不正确");
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return resourceMap;
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}
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// 拼接64位文件名
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String fileName = file.getOriginalFilename();
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String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
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String newFileName = UUIDUtil.getRandomID() + "." + fileExt;
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Map<String, String> fileUrlMap = fileUrl(baseSavePath, baseSaveUrl, folderType, userId);
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String savePath = fileUrlMap.get("savePath");
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String saveUrl = fileUrlMap.get("saveUrl");
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File uploadedFile = new File(savePath, newFileName);
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try {
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FileCopyUtils.copy(file.getBytes(), uploadedFile);
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} catch (IOException e) {
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resourceMap.put(STATUSS, "err");
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resourceMap.put(MSG, "文件上传失败" + e.getMessage());
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return resourceMap;
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}
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// 图片访问地址
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String visitPath = saveUrl + newFileName;
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String fileSize = file.getBytes().length + "";
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// 保存图片大小
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resourceMap.put("fileSize", fileSize);
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// 图片访问地址
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resourceMap.put("visitPath", visitPath);
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resourceMap.put("savePath", savePath + newFileName);
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}
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resourceMap.put(STATUSS, "ok");
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resourceMap.put(MSG, "图片上传成功");
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return resourceMap;
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}
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/**
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* 加載保存文件路徑
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*
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* @author JIANGYOUYAO
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* @email 935090232@qq.com
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* @date 2018年6月15日
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* @param savePath
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* @param saveUrl
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* @param folderType
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* @param userId
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* @return
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* @throws UnsupportedEncodingException
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* @throws NoSuchAlgorithmException
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*/
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public static Map<String, String> fileUrl(String savePath, String saveUrl, String folderType, Long userId)
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throws UnsupportedEncodingException, NoSuchAlgorithmException {
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Map<String, String> fileUrlMap = new HashMap<>();
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// 创建图片文件夹
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savePath += folderType + File.separatorChar;
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saveUrl += folderType + File.separatorChar;
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File saveDirFile = new File(savePath);
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if (!saveDirFile.exists()) {
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saveDirFile.mkdirs();
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}
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// 以账号ID命名创建文件夹
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String encryptionId = EncrypUtil.getSha1(userId+"");
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savePath += encryptionId + File.separatorChar;
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saveUrl += encryptionId + File.separatorChar;
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File userIdFile = new File(savePath);
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if (!userIdFile.exists()) {
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userIdFile.mkdirs();
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}
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// 创建日期文件夹
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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
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String ymd = sdf.format(new Date());
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savePath += ymd + File.separatorChar;
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saveUrl += ymd + File.separatorChar;
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File dirFile = new File(savePath);
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if (!dirFile.exists()) {
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dirFile.mkdirs();
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}
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fileUrlMap.put("savePath", savePath);
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fileUrlMap.put("saveUrl", saveUrl);
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return fileUrlMap;
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}
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}
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