基于SSM框架+mysql开发的一个博客系统项目源码.zip

package wang.dreamland.www.controller; import com.alibaba.fastjson.JSON; import com.google.common.io.ByteStreams; import org.apache.commons.fileupload.FileItemFactory; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.apache.log4j.Logger; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.MultipartHttpServletRequest; import wang.dreamland.www.common.Constants; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.*; /** * Created by wly on 2018/5/20. */ @Controller public class UploadController { private final static Logger log = Logger.getLogger(UploadController.class); @RequestMapping(value = "/fileUpload") @ResponseBody public Map<String, Object> fileUpload(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, FileUploadException { ServletContext application = request.getSession().getServletContext(); String savePath = Constants.SERVER_FILE_ROOT; // String savePath = application.getRealPath("/") + "images/"; // String saveUrl = request.getContextPath() + "/images/"; String saveUrl = Constants.DREAMLAND_DOMAIN + "/images/"; //上传图片，保存路径为：G:\wly\dreamland\target\dreamland\images/,文件url为：/images/ log.info( "上传图片，保存路径为："+savePath+",文件url为："+saveUrl ); // 定义允许上传的文件扩展名 HashMap<String, String> extMap = new HashMap<String, String>(); extMap.put("image", "gif,jpg,jpeg,png,bmp"); extMap.put("flash", "swf,flv"); extMap.put("media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb"); extMap.put("file", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2"); // 最大文件大小 long maxSize = 1000000; response.setContentType("text/html; charset=UTF-8"); if (!ServletFileUpload.isMultipartContent(request)) { return getError("请选择文件。"); } // 检查目录 File uploadDir = new File(savePath); if (!uploadDir.isDirectory()) { return getError("上传目录不存在。"); } // 检查目录写权限 if (!uploadDir.canWrite()) { return getError("上传目录没有写权限。"); } String dirName = request.getParameter("dir"); if (dirName == null) { dirName = "image"; } if (!extMap.containsKey(dirName)) { return getError("目录名不正确。"); } // 创建文件夹 savePath += dirName + "/"; saveUrl += dirName + "/"; File saveDirFile = new File(savePath); if (!saveDirFile.exists()) { saveDirFile.mkdirs(); } SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); String ymd = sdf.format(new Date()); savePath += ymd + "/"; saveUrl += ymd + "/"; File dirFile = new File(savePath); if (!dirFile.exists()) { dirFile.mkdirs(); } FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); upload.setHeaderEncoding("UTF-8"); MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request; Iterator item = multipartRequest.getFileNames(); while (item.hasNext()) { String fileName = (String) item.next(); MultipartFile file = multipartRequest.getFile(fileName); // 检查文件大小 if (file.getSize() > maxSize) { return getError("上传文件大小超过限制。"); } // 检查扩展名 String fileExt = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".") + 1).toLowerCase(); if (!Arrays. asList(extMap.get(dirName).split(",")).contains(fileExt)) { return getError("上传文件扩展名是不允许的扩展名。\n只允许" + extMap.get(dirName) + "格式。"); } SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss"); String newFileName = df.format(new Date()) + "_" + new Random().nextInt(1000) + "." + fileExt; try { File uploadedFile = new File(savePath, newFileName); ByteStreams.copy(file.getInputStream(), new FileOutputStream(uploadedFile)); } catch (Exception e) { return getError("上传文件失败。"); } Map<String, Object> msg = new HashMap<String, Object>(); msg.put("success", 1); msg.put("url", saveUrl + newFileName); // =======savePath=======G:\wly\dreamland\target\dreamland\images/image/20180108/=====url======/images/image/20180108/20180108180524_256.png log.info( "=======savePath======="+savePath+"=====url======"+saveUrl+newFileName ); return msg; } return null; } private Map<String, Object> getError(String message) { Map<String, Object> msg = new HashMap<String, Object>(); msg.put("success",0);//0失败 msg.put("message", message); return msg; } @RequestMapping(value = "/fileManager") public void fileManager(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ServletContext application = request.getSession().getServletContext(); ServletOutputStream out = response.getOutputStream(); // 根目录路径，可以指定绝对路径，比如 /var/www/attached/ String rootPath = application.getRealPath("/") + "images/"; // 根目录URL，可以指定绝对路径，比如 http://www.yoursite.com/attached/ String rootUrl = request.getContextPath() + "/images/"; // 图片扩展名 String[] fileTypes = new String[] { "gif", "jpg", "jpeg", "png", "bmp" }; String dirName = request.getParameter("dir"); if (dirName != null) { if (!Arrays.<String> asList(