多文件上传，并将完整链接存至数据库

曾经终败给现在 2022-06-10 05:44 157阅读 0赞

package com.base.util;
    
    import java.io.FileOutputStream;
    import java.io.OutputStream;
    import java.text.SimpleDateFormat;
    import java.util.Date;
    import java.util.UUID;
    
    import javax.servlet.http.HttpServletRequest;
    
    import org.apache.tomcat.util.http.fileupload.servlet.ServletFileUpload;
    import org.springframework.web.multipart.MultipartFile;
    import org.springframework.web.multipart.MultipartHttpServletRequest;
    
    public class UploadFile {
    	
    	public   UploadFile() {
    		
    	}
    	/**
    	 * 获取文件路径
    	 * @param file
    	 * @param request
    	 */
    	public static String getUploadFilePath(MultipartFile file,HttpServletRequest request){
    		OutputStream outputStream = null;
    		String str= "";
    		
    		if (file != null) {
    			String filePathDir = "uploadFiles/"
    					+ new SimpleDateFormat("yyyyMMdd").format(new Date());
    			String fileRealPathDir = request.getSession().getServletContext().getRealPath(filePathDir); //获取本地存储路径
    			java.io.File fileSaveFile = new java.io.File(fileRealPathDir);
    			if (!fileSaveFile.exists()) 
    				fileSaveFile.mkdirs();
    				System.out.println(file.getOriginalFilename());
    				str="/"+filePathDir+"/"+UUID.randomUUID().toString().trim().replaceAll("-", "").toLowerCase() + "."
    						+file.getOriginalFilename().split("\\.")[1];
    				java.io.File newFile = new java.io.File(request.getSession().getServletContext()
    						.getRealPath("/")
    						+str);  //新建一个文件
    				try {
    					outputStream =new FileOutputStream(newFile);
    					outputStream.write(file.getBytes());
    				} catch (Exception e) {
    					e.printStackTrace();
    				}finally {
    					try {
    						outputStream.flush();
    						outputStream.close();
    					} catch (Exception e2) {
    						e2.printStackTrace();
    					}
    				}
    				return str;
    			}
    		return null;
    	}
    	
    	/**
    	 * 获取http路径
    	 * @param request
    	 * @return
    	 */
    	public static String getBasePath(HttpServletRequest request) {
    		String basePath = "";
    		if (request.getServerPort() == 80) {
    			basePath = request.getScheme() + "://" + request.getServerName()
    					+ request.getContextPath();
    		} else {
    			basePath = request.getScheme() + "://" + request.getServerName()
    					+ ":" + request.getServerPort() + request.getContextPath();
    		}
    		return basePath;
    	}
    
    	
    	/**
    	 * 获取http+文件路径
    	 * @param request
    	 * @param file
    	 * @return
    	 */
    	public static String getAllPath(HttpServletRequest request,MultipartFile file) {
    		if (ServletFileUpload.isMultipartContent(request)) {
    			String allPath=getBasePath(request)+getUploadFilePath(file, request);
    			return allPath;
    		}
    		return null;
    	}
    }