package com.matrix.system.common.actions;
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import com.alibaba.fastjson.JSONObject;
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import com.matrix.core.tools.StringUtils;
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import com.matrix.core.tools.UUIDUtil;
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import com.matrix.system.common.constance.AppConstance;
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import org.apache.commons.fileupload.FileUploadException;
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import org.apache.log4j.Logger;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Controller;
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import org.springframework.util.FileCopyUtils;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.ResponseBody;
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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 javax.servlet.http.HttpServletResponse;
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import java.io.File;
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import java.io.IOException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* 多文件上传控制器
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*
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* @author jiangyouyao
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* @email 512061637@qq.com
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* @date 2019年2月25日
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*/
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@Controller
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@RequestMapping(value = "admin/multipleUploadFile")
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public class MultipleFileUploadAction {
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Logger log = Logger.getLogger(MultipleFileUploadAction.class);
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@Value("${file_storage_path}")
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private String fileStoragePath;
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@Value("${static_resource_url}")
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private String nginxUrl;
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/**
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* 最大值
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*/
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private Long maxSize = 1024*1024*100L;
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/**
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* 多文件上传方法
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*
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* @author jiangyouyao
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* @email 512061637@qq.com
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* @date 2019年2月25日
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* @param response
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* @param request
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* @return
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* @throws IOException
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* @throws FileUploadException
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*/
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@RequestMapping(value = "/doUpload")
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public @ResponseBody JSONObject doFileUpload(HttpServletResponse response, MultipartHttpServletRequest request, Integer data)
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throws IOException, FileUploadException {
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// 文件保存目录路径
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String savePath = fileStoragePath;
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// 文件保存目录URL
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String saveUrl = nginxUrl;
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// String msgPag = "common/fileUploadResult";
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JSONObject object = new JSONObject();
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response.setContentType("text/html; charset=UTF-8");
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request.setCharacterEncoding("UTF-8");
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// 保存和访问路径检查
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if (StringUtils.isBlank(saveUrl) || StringUtils.isBlank(savePath)) {
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object.put("status", "err");
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object.put("msg", "文件上传失败错误代码：001");
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return object;
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}
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// 检查目录
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File uploadDir = new File(savePath);
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if (!uploadDir.isDirectory()) {
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uploadDir.mkdir();
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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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// object.put("status", "err");
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// object.put("msg", "上传目录没有写权限");
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// return object;
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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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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
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String ymd = sdf.format(new Date());
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savePath += ymd + "/";
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saveUrl += ymd + "/";
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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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log.info("上传文件名：" + file.getOriginalFilename());
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log.info("上传文件大小：" + file.getBytes().length);
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log.info("上传文件大小限制：" + maxSize);
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log.info("上传文件大小是否超过限制：" + (file.getBytes().length > maxSize));
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if (file.getBytes().length > maxSize) {
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object.put("status", "err");
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object.put("msg", "上传文件大小超过限制");
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return object;
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}
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String fileName = file.getOriginalFilename();
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String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
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fileName = fileName.replace("." + fileExt, "");
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fileName = getSensitive(fileName);
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String newFileName = UUIDUtil.getRandomID() + UUIDUtil.getRandomID() + "." + fileExt;
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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 (Exception e) {
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object.put("status", "err");
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object.put("msg", "上传文件失败 "+e.getMessage());
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return object;
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}
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log.info("saveUrl：" + saveUrl);
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String visitPath = saveUrl + newFileName;
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log.info("上传一个文件：" + newFileName);
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log.info("访问路径：" + visitPath);
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// 获取回调函数
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/*
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* String callBack = request.getParameter("callBack"); String inputId =
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* request.getParameter("inputId"); request.setAttribute("status", "200");
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* request.setAttribute("callBack", callBack); request.setAttribute("inputId",
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* inputId); request.setAttribute("url", visitPath);
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*/
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object.put("path", visitPath);
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object.put("fileName", fileName);
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object.put("status", 200);
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if (data != null) {
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object.put("index", data);
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}
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}
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return object;
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}
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/**
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* 检查文件名，过滤特殊字符
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*
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* @author jiangyouyao
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* @email 512061637@qq.com
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* @date 2019年2月25日
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* @param globWords
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* @return
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*/
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public String getSensitive(String globWords) {
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String sensitive = "";
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Pattern pattern = Pattern.compile(AppConstance.SPECIAL_CHARACTERS);
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Matcher matcher = pattern.matcher(globWords);
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while (matcher.find()) {
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sensitive += matcher.group();
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}
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/*
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* if(sensitive=="" || sensitive.length()<3 ){
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* sensitive=StringUtils.getRandomString(8); }
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*/
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return sensitive;
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}
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}
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