package framework.fileUpload;
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import java.io.File;
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import java.util.Iterator;
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import java.util.List;
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import java.util.UUID;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpSession;
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import org.apache.ibatis.annotations.Param;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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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 framework.base.FrameBaseController;
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import framework.startup.FrameUtil;
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/**
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* 通用的文件上传类，与sys.js中的 $.commonFileUpload一起使用<br/>
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*
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* 需要验证权限，一般只能登录才可上传
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*
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* @author liuyajun, 8384503@qq.com
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* @date 2016年1月18日
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* @time 下午7:18:41
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*/
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@Controller
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public class FileUploadController extends FrameBaseController {
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@Autowired
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MyMultipartResolver resolver;
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@RequestMapping(value = "systemFileUpload", method = RequestMethod.POST)
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public String upload(HttpServletRequest request,
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@Param("getProgress") String getProgress,
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@Param("clear") String clear) throws Exception {
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//清空session，以备记录上传进度
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if(clear !=null && "y".equals(clear)){
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HttpSession session = request.getSession();
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session.removeAttribute(FileUploadProgressListener.SESSION_FILE_UPLOAD_KEY_MAX);
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session.removeAttribute(FileUploadProgressListener.SESSION_FILE_UPLOAD_KEY);
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return this.ajax(null);
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}
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//获取上传进度
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if(getProgress !=null && "y".equals(getProgress)){
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HttpSession session = request.getSession();
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String max =(String)session.getAttribute(
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FileUploadProgressListener.SESSION_FILE_UPLOAD_KEY_MAX);
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String percent = (String)session.getAttribute(
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FileUploadProgressListener.SESSION_FILE_UPLOAD_KEY);
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if(max !=null){
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return this.ajax(max);
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}
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return this.ajax(percent);
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}
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//接收上传的文件
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resolver.setServletContext(request.getSession().getServletContext());
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String uploadPath = FrameUtil.getUploadFilePath();
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if (resolver.isMultipart(request)) {
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MultipartHttpServletRequest req = (MultipartHttpServletRequest)request;
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Iterator<String> iter = req.getFileNames();
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String split = FileUploadHelper.SPLIT;
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StringBuffer ss = new StringBuffer();
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while (iter.hasNext()) {
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String inputName = iter.next();
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List<MultipartFile> fileList = req.getFiles(inputName);
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for(MultipartFile file : fileList){
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if(file==null || file.getOriginalFilename().trim().length()==0){
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continue;
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}
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// CommonsMultipartFile cf= (CommonsMultipartFile)file;
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// DiskFileItem fi = (DiskFileItem)cf.getFileItem();
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// File f = fi.getStoreLocation();
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// System.err.println(f.getAbsolutePath());
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String oriName = file.getOriginalFilename().trim();
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String newName = UUID.randomUUID().toString().toLowerCase()
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.replace("-", "").replace("/", "");
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String fileString = inputName+split+newName+split+oriName;
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ss.append(split).append(split).append(fileString);
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String newPath = uploadPath + newName;
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file.transferTo(new File(newPath));
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}
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}
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if(ss.length()>0){
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ss.delete(0, 2);
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}
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/*
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* 上传文件控件name/保存的文件名(相对于上传目录)/文件原始名//
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*/
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this.getRequest().setAttribute("fileInfo", ss.toString());
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}
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return "forward:/frame-jsp/file-upload-succuess.jsp";
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}
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}
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