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The problem of unable to upload images when integrating kindeditor and Struts2 framework_PHP tutorial

WBOY
WBOYOriginal
2016-07-21 14:53:52923browse

Since the struts framework encapsulates the request object, the original upload_json.jsp file that processes uploaded images cannot be used, so the upload_json.jsp file that processes uploaded images in kindeditor was rewritten. After passing many tests , successfully uploaded the image.

<%@ 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="com.opensymphony.xwork2.ActionContext"%>
  <%@ page import="org.apache.struts2.dispatcher.multipart .MultiPartRequestWrapper"%>
 <%@ page import="org.json.simple.*"%>

  <%
    ///The file saving directory path img_upload is the directory name where the server stores uploaded images
   String savePath = request.getSession().getServletContext().getRealPath("/")+ "img_upload/ ";

     //File saving directory URL
  String saveUrl = request.getContextPath() + "/img_upload/";

     // Define the file extensions allowed for uploading
  String[] fileTypes = new String[] { "gif", "jpg", "jpeg", "png", "bmp" };

     //Maximum upload file size allowed
  long maxSize = 1024000;

     //Struts2 request wrapper filter
   MultiPartRequestWrapper wrapper = (MultiPartRequestWrapper) request;

     //Get the uploaded file name
  String fileName = wrapper.getFileNames("imgFile")[0];

     //Get file filter
  File file = wrapper.getFiles("imgFile")[0];

     //Get the extension of the uploaded file
  String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();

                  if (!Arrays. asList(fileTypes).contains(fileExt)) { name. "));
return;
Size exceeds limit "));
     return;
    }

     //Check the directory
   File uploadDir = new File(savePath);
  if (!uploadDir.isDirectory()) {
    out.println(getError("The upload directory does not exist.")) ;

    return; "));

return;
}

                                           ccoute] SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
   String newImgName = df.format(new Date()) + "_"+ new Random(). nextInt(1000) + "." + fileExt;

     //Set the image file address in KE
  String newFileName = request.getScheme() + "://"+ request.getServerName() + ":" + request.getServerPort()
   + saveUrl + newImgName;

  byte[] buffer = new byte[1024];

     //Get the file output stream
  FileOutputStream fos = new FileOutputStream(savePath + newImgName);

     //Get the current file input stream in memory

  InputStream in = new FileInputStream(file);

        try {
         int num = 0;
           while ((num = in.read(buffer)) > 0) {
         fos.write(buffer, 0, num);
         }
        } catch (Exception e) {
         e.printStackTrace(System.err);
        } finally {
          in.close();
         fos.close();
        }

        //发送给 KE

        JSONObject obj = new JSONObject();
        obj.put("error", 0);
        obj.put("url", saveUrl + newImgName);
        out.println(obj.toJSONString());
        %>
        <%!private String getError(String message) {
         JSONObject obj = new JSONObject();
         obj.put("error", 1);
         obj.put("message", message);
         return obj.toJSONString();
        }
        %>

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/364708.htmlTechArticle由于struts框架对request对象做了封装,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...
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