spring mvc 与 kindeditor 整合
当使用spring mvc 框架，再去使用kindeditor会出现上传错误。纠起原因是upload.parseRequest(request)取值的老是NULL.因为此时取得的request是DefaultMultipartHttpServletRequest 类型。原来处理上传图片的upload_json.jsp文件无法使用了，于是对kindeditor中处理上传图片的upload_json.jsp文件进行重写。一下是重写后的upload_json.jsp文件。
<%@ page language=”java” contentType=”text/html; charset=UTF-8″
pageEncoding=”UTF-8″%>
<%@ page import=”java.util.*,java.io.*”%>
<%@ page import=”java.text.SimpleDateFormat”%>
<%@ page import=”org.apache.commons.fileupload.*”%>
<%@ page import=”org.apache.commons.fileupload.disk.*”%>
<%@ page import=”org.apache.commons.fileupload.servlet.*”%>
<%@ page import=”org.json.simple.*”%>
<%@ page import=”org.springframework.web.multipart.support.*”%>
<%@ page import=”org.springframework.web.multipart.*”%>
<%@ page import=”org.springframework.web.multipart.commons.*”%>
<%
/**
* KindEditor JSP
*
* 本JSP程序是演示程序，建议不要直接在实际项目中使用。
* 如果您确定直接使用本程序，使用之前请仔细确认相关安全设置。
*
*/
//文件保存目录路径
String savePath = pageContext.getServletContext().getRealPath(“/”) + “attached/”;
//文件保存目录URL
String saveUrl = request.getContextPath() + “/attached/”;
//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”, “pdf,doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2,java,php,exe,gif,jpg,jpeg,png,bmp”);
//最大文件大小 100M
long maxSize = 102400000;
response.setContentType(“text/html; charset=UTF-8″);
if(!ServletFileUpload.isMultipartContent(request)){
out.println(getError(“请选择文件。”));
return;
}
//检查目录
File uploadDir = new File(savePath);
if(!uploadDir.isDirectory()){
out.println(getError(“上传目录不存在。”));
return;
}
//检查目录写权限
if(!uploadDir.canWrite()){
out.println(getError(“上传目录没有写权限。”));
return;
}
String dirName = request.getParameter(“dir”);
if (dirName == null) {
dirName = “image”;
}
if(!extMap.containsKey(dirName)){
out.println(getError(“目录名不正确。”));
return;
}
//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″);
List items = upload.parseRequest(request);
DefaultMultipartHttpServletRequest mrequest= (DefaultMultipartHttpServletRequest)request;
Map map=mrequest.getFileMap();
Collection<MultipartFile> c = map.values();
Iterator it = c.iterator();
for (; it.hasNext();) {
CommonsMultipartFile file=(CommonsMultipartFile) it.next();
if(!file.isEmpty())
{
long fileSize = file.getSize();
String fileName = file.getOriginalFilename();
String contentType=file.getContentType();
String fileExt = fileName.substring(fileName.lastIndexOf(“.”) + 1).toLowerCase();
if(fileSize > maxSize){
out.println(getError(“上传文件大小超过限制100M。”));
return;
}
if(!Arrays.<String>asList(extMap.get(dirName).split(“,”)).contains(fileExt)){
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。”));
return;
}
FileItem item = null;
SimpleDateFormat df = new SimpleDateFormat(“yyyyMMddHHmmss”);
String newFileName = df.format(new Date()) + “_” + new Random().nextInt(1000) + “.” + fileExt;
try{
File uploadedFile = new File(savePath, newFileName);
file.transferTo(uploadedFile);
}catch(Exception e){
out.println(getError(“上传文件失败。”));
return;
}
JSONObject obj = new JSONObject();
obj.put(“error”, 0);
obj.put(“url”, saveUrl + newFileName);
obj.put(“title”, fileName);
System.out.println(fileName);
out.println(obj.toJSONString());
}
else
{
out.println(getError(“不可以上传空文件！”));
return;
}
}
%>
<%!
private String getError(String message) {
JSONObject obj = new JSONObject();
obj.put(“error”, 1);
obj.put(“message”, message);
return obj.toJSONString();
}
%>