jsp代码
1 <script type="text/javascript" src="${pageContext.request.contextPath}/kindeditor/lang/zh-CN.js"></script>
2 <script type="text/javascript" src="${pageContext.request.contextPath}/kindeditor/kindeditor-all.js"></script>
3 <script type="text/javascript" src="${pageContext.request.contextPath}/js/jquery.js"></script>
4 <script type="text/javascript">
5 var options = {
6 items:['insertfile','image'],
7 uploadJson:"${pageContext.request.contextPath}/UploadServlet"
8 //uploadJson:"${pageContext.request.contextPath}/kindeditor/jsp/upload_json.jsp"
9 // fileManagerJson : "${pageContext.request.contextPath}/kindeditor/jsp/file_manager_json.jsp",
10 // allowFileManager : true,
11 // afterUpload: function(){this.sync();}
12 };
13
14 KindEditor.ready(function(k) {
15 window.editor = k.create("textarea[name='content1']",options);
16 });
17 </script>
18 </head>
19 <body>
20 <!-- 使用kindeditor上传文件 -->
21 <div style="text-align:center">
22 <form name="example" method="post" action="#">
23 <textarea name="content1" style="width:700px;height:200px;visibility:visible;">
24
25
26 </textarea>
27 <br />
28 <input type="submit" name="button" value="提交内容" /> (提交快捷键: Ctrl + Enter)
29 </form>
30
31 </textarea>
32 </div>
33
34 </body>
35 </html>
UploadServlet
1 package cn.tele.servlet; 2 3 import java.io.File; 4 import java.io.IOException; 5 import java.io.PrintWriter; 6 import java.text.SimpleDateFormat; 7 import java.util.Arrays; 8 import java.util.Date; 9 import java.util.HashMap; 10 import java.util.Iterator; 11 import java.util.List; 12 import java.util.Random; 13 14 import javax.servlet.ServletException; 15 import javax.servlet.http.HttpServlet; 16 import javax.servlet.http.HttpServletRequest; 17 import javax.servlet.http.HttpServletResponse; 18 19 import org.apache.commons.fileupload.FileItem; 20 import org.apache.commons.fileupload.FileItemFactory; 21 import org.apache.commons.fileupload.FileUploadException; 22 import org.apache.commons.fileupload.disk.DiskFileItemFactory; 23 import org.apache.commons.fileupload.servlet.ServletFileUpload; 24 import org.json.simple.JSONObject; 25 26 public class UploadServlet extends HttpServlet { 27 28 public void doGet(HttpServletRequest request, HttpServletResponse response) 29 throws ServletException, IOException { 30 response.setContentType("text/html;charset = utf-8"); 31 //文件保存目录路径 32 String savePath = request.getSession().getServletContext().getRealPath("/") + "WEB-INF/attached/"; 33 PrintWriter out = response.getWriter(); 34 //文件保存目录URL 35 String saveUrl = request.getContextPath() + "/WEB-INF/attached/"; 36 37 //定义允许上传的文件扩展名 38 HashMap<String, String> extMap = new HashMap<String, String>(); 39 extMap.put("image", "gif,jpg,jpeg,png,bmp"); 40 extMap.put("flash", "swf,flv"); 41 extMap.put("media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb"); 42 extMap.put("file", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2"); 43 44 //最大文件大小 45 long maxSize = 1000000000; 46 47 response.setContentType("text/html; charset=UTF-8"); 48 49 if(!ServletFileUpload.isMultipartContent(request)){ 50 out.println(getError("请选择文件。")); 51 return; 52 } 53 //检查目录 54 File uploadDir = new File(savePath); 55 if(!uploadDir.isDirectory()){ 56 out.println(getError("上传目录不存在。")); 57 return; 58 } 59 //检查目录写权限 60 if(!uploadDir.canWrite()){ 61 out.println(getError("上传目录没有写权限。")); 62 return; 63 } 64 65 //单独使用组件时要传递dirName,参考demo3.jsp 66 String dirName = request.getParameter("dir"); 67 if (dirName == null) { 68 // dirName = "image"; 69 } 70 System.out.println("dirName--------" + dirName); 71 if(!extMap.containsKey(dirName)){ 72 out.println(getError("目录名不正确。")); 73 return; 74 } 75 //创建文件夹 76 // savePath += dirName + "/"; 77 // saveUrl += dirName + "/"; 78 File saveDirFile = new File(savePath); 79 if (!saveDirFile.exists()) { 80 saveDirFile.mkdirs(); 81 } 82 SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); 83 String ymd = sdf.format(new Date()); 84 // savePath += ymd + "/"; 85 // saveUrl += ymd + "/"; 86 File dirFile = new File(savePath); 87 if (!dirFile.exists()) { 88 dirFile.mkdirs(); 89 } 90 91 FileItemFactory factory = new DiskFileItemFactory(); 92 ServletFileUpload upload = new ServletFileUpload(factory); 93 upload.setHeaderEncoding("UTF-8"); 94 List items; 95 try { 96 items = upload.parseRequest(request); 97 Iterator itr = items.iterator(); 98 while (itr.hasNext()) { 99 FileItem item = (FileItem) itr.next(); 100 String fileName = item.getName(); 101 String oldFileName = fileName; 102 long fileSize = item.getSize(); 103 if (!item.isFormField()) { 104 //检查文件大小 105 if(item.getSize() > maxSize){ 106 out.println(getError("上传文件大小超过限制。")); 107 return; 108 } 109 //检查扩展名 110 String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase(); 111 if(!Arrays.<String>asList(extMap.get(dirName).split(",")).contains(fileExt)){ 112 out.println(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。")); 113 return; 114 } 115 116 SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss"); 117 String newFileName = df.format(new Date()) + new Random().nextInt(1000) + "." + fileExt; 118 File uploadedFile = new File(savePath, newFileName); 119 item.write(uploadedFile); 120 121 JSONObject obj = new JSONObject(); 122 obj.put("error", 0); 123 // obj.put("url", saveUrl + newFileName); 124 obj.put("url",oldFileName);//回显原文件名 125 out.println(obj.toJSONString()); 126 } 127 } 128 }catch (FileUploadException e1) { 129 // TODO Auto-generated catch block 130 e1.printStackTrace(); 131 } catch (Exception e) { 132 // TODO Auto-generated catch block 133 e.printStackTrace(); 134 } 135 } 136 137 public void doPost(HttpServletRequest request, HttpServletResponse response) 138 throws ServletException, IOException { 139 response.setContentType("text/html;charset = utf-8"); 140 doGet(request, response); 141 } 142 143 private String getError(String message) { 144 JSONObject obj = new JSONObject(); 145 obj.put("error", 1); 146 obj.put("message", message); 147 return obj.toJSONString(); 148 } 149 150 }