\u63a7\u5236\u5c42\uff1a<\/p>\n
@Controller\r\n@RequestMapping(\"\/\")\r\npublic class UploadController {\r\n @RequestMapping(\"\/\")\r\n public String index(){return \"upload\";}\r\n \/\/ \u5f97\u5230\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6\u8def\u5f84\r\n public String realPath(String path){\r\n SimpleDateFormat y=new SimpleDateFormat(\"yyyy\");\r\n SimpleDateFormat m=new SimpleDateFormat(\"MM\");\r\n SimpleDateFormat d=new SimpleDateFormat(\"dd\");\r\n Date date=new Date(System.currentTimeMillis());\r\n String year = y.format(date);\r\n String month = m.format(date);\r\n String day = d.format(date);\r\n String realPath=path+ File.separator+year+File.separator+month+File.separator+day;\r\n File file=new File(realPath);\r\n if(!file.exists()) file.mkdirs();\r\n return realPath;\r\n }\r\n\r\n\r\n \/\/ \u5f97\u5230\u4e00\u4e2a\u65b0\u7684\u5e26\u6709\u7528\u6237\u540d\u7684\u6587\u4ef6\u540d\r\n public String newFilename(String username,String filename){\r\n Date date=new Date();\r\n SimpleDateFormat time=new SimpleDateFormat(\"yyyyMMddHHmmss\");\r\n String times = time.format(date);\r\n return times+\"_\"+username+\"_\"+filename;\r\n }\r\n \/\/ \u6587\u4ef6\u4e0a\u4f20\r\n @RequestMapping(\"\/upload\")\r\n public void upload(String username, MultipartFile file, HttpServletRequest request, HttpServletResponse response)throws Exception{\r\n request.setCharacterEncoding(\"utf-8\");\r\n response.setCharacterEncoding(\"utf-8\");\r\n response.setContentType(\"text\/html;charset=utf-8\");\r\n \/\/ \u83b7\u5f97\u6587\u4ef6\u540d\u79f0\r\n String filename = file.getOriginalFilename();\r\n System.out.println(filename);\r\n \/\/ \u5224\u65ad\u662f\u5426\u4e0a\u4f20\u6587\u4ef6\r\n if (file != null && filename != null) {\r\n \/\/ \u83b7\u53d6\u4e0a\u4f20\u76ee\u5f55\r\n String realPath = request.getServletContext().getRealPath(\"\/WEB-INF\/upload\");\r\n String newFilePath = realPath(realPath);\r\n String newFilename = newFilename(username,filename);\r\n \/\/ \u5224\u65ad\u4e0a\u4f20\u76ee\u5f55\u662f\u5426\u5b58\u5728\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u53cd\u4e4b\u76f4\u63a5\u5b58\r\n File file1=new File(newFilePath);\r\n if(!file1.exists())file1.mkdirs();\r\n file.transferTo(new File(newFilePath+File.separator+newFilename));\r\n }\r\n }\r\n \/\/ \u6587\u4ef6\u4e0b\u8f7d\r\n @RequestMapping(\"\/download\")\r\n public void download(String filename,HttpServletRequest request,HttpServletResponse response) throws IOException {\r\n String realPath = request.getServletContext().getRealPath(\"\/WEB-INF\/upload\");\r\n String newFilePath = realPath(realPath);\r\n response.setHeader(\"content-disposition\",\"attachment;filename=\"+filename);\r\n IOUtils.copy(new FileInputStream(newFilePath+File.separator+filename),response.getOutputStream());\r\n }\r\n \/\/ \u83b7\u53d6\u6587\u4ef6\u5217\u8868\r\n public void getFileList(String path, HashMap<String,String> map){\r\n File file=new File(path);\r\n File[] files = file.listFiles();\r\n if (files != null) {\r\n for (File file1 : files) {\r\n if (file1.isDirectory()) {\r\n getFileList(file1.getPath(),map);\r\n }else{\r\n String name = file1.getName();\r\n String sub=name.substring(name.lastIndexOf(\"_\")+1);\r\n map.put(name,sub);\r\n }\r\n }\r\n }\r\n }\r\n \/\/ \u5c55\u793a\u6587\u4ef6\u5217\u8868\r\n @RequestMapping(\"\/fileList\")\r\n public String fileList(HttpServletRequest request){\r\n String realPath = request.getServletContext().getRealPath(\"\/WEB-INF\/upload\");\r\n HashMap<String,String> map=new HashMap<>();\r\n getFileList(realPath,map);\r\n request.setAttribute(\"map\",map);\r\n return \"showFileLists\";\r\n }\r\n}<\/pre>\n\u6587\u4ef6\u5217\u8868\u7684jsp<\/p>\n
<%@ taglib prefix=\"c\" uri=\"http:\/\/java.sun.com\/jsp\/jstl\/core\" %>\r\n<%@ page contentType=\"text\/html;charset=UTF-8\" language=\"java\" %>\r\n<html>\r\n<head>\r\n <title>\u4e0b\u8f7d\u9875\u9762<\/title>\r\n<\/head>\r\n<body>\r\n <h3>\u4e0b\u8f7d\u5217\u8868<\/h3>\r\n <table border=\"1\">\r\n <tr>\r\n <th>\u6587\u4ef6\u540d<\/th>\r\n <th>\u64cd\u4f5c<\/th>\r\n <\/tr>\r\n <c:forEach var=\"files\" items=\"${requestScope.map}\">\r\n <tr>\r\n <td>\u6587\u4ef6\u540d:${files.value}<\/td>\r\n <td>\r\n <a href=\"${pageContext.request.contextPath}\/download?filename=${files.key}\">\u4e0b\u8f7d<\/a>\r\n <\/td>\r\n <\/tr>\r\n <\/c:forEach>\r\n <\/table>\r\n<\/body>\r\n<\/html><\/pre>\n\u53ea\u5c55\u793a\u767b\u5f55\u7528\u6237\u7684\u6587\u4ef6\u5217\u8868\uff0c\u4fee\u6539\u6587\u4ef6\u5217\u8868\u7684jsp\uff0c\u53ef\u4ee5\u628a\u738b\u4e94\u6362\u6210session\u7684\u7528\u6237\u4f5c\u7528\u57df\u91cc\u7684\u7528\u6237\u540d<\/p>\n
<%@ taglib prefix=\"c\" uri=\"http:\/\/java.sun.com\/jsp\/jstl\/core\" %>\r\n<%@ page contentType=\"text\/html;charset=UTF-8\" language=\"java\" %>\r\n<html>\r\n<head>\r\n <title>\u4e0b\u8f7d\u9875\u9762<\/title>\r\n<\/head>\r\n<body>\r\n <h3>\u4e0b\u8f7d\u5217\u8868<\/h3>\r\n <table border=\"1\">\r\n <tr>\r\n <th>\u6587\u4ef6\u540d<\/th>\r\n <th>\u64cd\u4f5c<\/th>\r\n <\/tr>\r\n <c:forEach var=\"files\" items=\"${requestScope.map}\">\r\n <c:if test=\"${files.key.contains('\u738b\u4e94')}\">\r\n <tr>\r\n <td>\u6587\u4ef6\u540d:${files.value}<\/td>\r\n <td>\r\n <a href=\"${pageContext.request.contextPath}\/download?filename=${files.key}\">\u4e0b\u8f7d<\/a>\r\n <\/td>\r\n <\/tr>\r\n <\/c:if>\r\n <\/c:forEach>\r\n <\/table>\r\n<\/body>\r\n<\/html><\/pre>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a7\u5236\u5c42\uff1a @Controller @RequestMapping(“\/”) public class Uplo […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-3079","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/3079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3079"}],"version-history":[{"count":1,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/3079\/revisions"}],"predecessor-version":[{"id":3080,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/3079\/revisions\/3080"}],"wp:attachment":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}