| | |
| | | package com.lf.server.service.all; |
| | | |
| | | import com.lf.server.controller.all.BaseController; |
| | | import com.lf.server.entity.all.ResponseMsg; |
| | | import com.lf.server.entity.sys.AttachEntity; |
| | | import com.lf.server.entity.sys.UserEntity; |
| | | import com.lf.server.helper.PathHelper; |
| | | import com.lf.server.service.sys.AttachService; |
| | | import com.sun.xml.internal.fastinfoset.tools.XML_SAX_StAX_FI; |
| | | import org.apache.commons.codec.digest.DigestUtils; |
| | | import org.apache.commons.logging.Log; |
| | | import org.apache.commons.logging.LogFactory; |
| | | import org.apache.tomcat.util.http.fileupload.FileItem; |
| | | import org.apache.tomcat.util.http.fileupload.disk.DiskFileItemFactory; |
| | | import org.apache.tomcat.util.http.fileupload.servlet.ServletFileUpload; |
| | | import org.apache.tomcat.util.http.fileupload.servlet.ServletRequestContext; |
| | | import org.springframework.beans.factory.annotation.Autowired; |
| | | import org.springframework.stereotype.Service; |
| | | import org.springframework.web.multipart.MultipartFile; |
| | | |
| | | import javax.servlet.ServletContext; |
| | | import javax.servlet.http.HttpServletRequest; |
| | | import javax.servlet.http.HttpServletResponse; |
| | | import java.io.File; |
| | | import java.io.FileInputStream; |
| | | import java.io.IOException; |
| | | import java.util.List; |
| | | import java.util.UUID; |
| | | |
| | |
| | | */ |
| | | @Service |
| | | public class FileService { |
| | | @Autowired |
| | | PathHelper pathHelper; |
| | | |
| | | @Autowired |
| | | AttachService attachService; |
| | | |
| | | private static long MAX_FILE_SIZE = 20 * 1024 * 1024; |
| | | |
| | | private final static Log log = LogFactory.getLog(FileService.class); |
| | | |
| | | public ResponseMsg<String> upload(UserEntity ue, String tab, MultipartFile file, BaseController ctrl) { |
| | | try { |
| | | if (file == null && file.isEmpty()) { |
| | | return ctrl.fail("文件上传为空", null); |
| | | } |
| | | if (file.getSize() > MAX_FILE_SIZE) { |
| | | return ctrl.fail(String.format("文件大于 %d MB", MAX_FILE_SIZE / 1024 / 1024), null); |
| | | } |
| | | |
| | | // 传输文件 |
| | | String oldName = file.getOriginalFilename(); |
| | | String filePath = pathHelper.getConfig().getTempPath() + File.separator + oldName; |
| | | File newFile = new File(filePath); |
| | | file.transferTo(newFile); |
| | | |
| | | // 获取MD5 |
| | | String md5 = getFileMd5(filePath); |
| | | AttachEntity entity = attachService.selectByGuid(md5); |
| | | if (entity != null) { |
| | | newFile.delete(); |
| | | return ctrl.success("文件已存在", md5); |
| | | } |
| | | |
| | | String uploadPath = pathHelper.getUploadFullPath(); |
| | | String targetPath = uploadPath + File.separator + md5; |
| | | newFile.renameTo(new File(targetPath)); |
| | | |
| | | AttachEntity ae = getAttachEntity(ue, tab, oldName, md5); |
| | | int rows = attachService.insert(ae); |
| | | |
| | | return rows > 0 ? ctrl.success(md5) : ctrl.fail("保存文件失败", null); |
| | | } catch (Exception ex) { |
| | | return ctrl.fail(ex.getMessage(), null); |
| | | } |
| | | } |
| | | |
| | | private String getFileMd5(String filePath) throws IOException { |
| | | FileInputStream fileStream = new FileInputStream(filePath); |
| | | String md5 = DigestUtils.md5Hex(fileStream); |
| | | fileStream.close(); |
| | | |
| | | return md5; |
| | | } |
| | | |
| | | protected AttachEntity getAttachEntity(UserEntity ue, String tab, String oldName, String md5) { |
| | | AttachEntity entity = new AttachEntity(); |
| | | entity.setName(oldName); |
| | | entity.setTab(tab); |
| | | entity.setGuid(md5); |
| | | String subPath = PathHelper.getUploadPath() + File.separator + md5; |
| | | entity.setPath(subPath); |
| | | if (ue != null) { |
| | | entity.setCreateUser(ue.getId()); |
| | | } |
| | | |
| | | return entity; |
| | | } |
| | | |
| | | /** |
| | | * 上传文件 |
| | | * |