kindeditor完美整合struts2实现图片上传的功能 - JAVA

当年第一次做这个，网上找的方法很不满意，现在功力大增，使用自己的方法整合一下。很是满意。用到这方面的同学一看就能懂了。
1.action部分
package com.actions.kindEditor;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.Random;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.dispatcher.multipart.MultiPartRequestWrapper;
import org.json.simple.JSONObject;

import com.opensymphony.xwork2.ActionSupport;

public class UploadImgAction extends ActionSupport{

	
	public String img() throws FileUploadException, IOException{
		
		HttpServletRequest request = ServletActionContext.getRequest();
		HttpServletResponse response = ServletActionContext.getResponse();
		PrintWriter out = response.getWriter();
		
		String savePath = request.getRealPath("/")+"attached/";
		File test = new File(savePath);
		if(!test.exists()){
			test.mkdirs();
		}
		//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
  
    extMap = new HashMap
   
    (); 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", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2"); //最大文件大小 long maxSize = 1000000; response.setContentType("text/html; charset=UTF-8"); if(!ServletFileUpload.isMultipartContent(request)){ out.print(getError("请选择文件。")); return "err"; } //检查目录 File uploadDir = new File(savePath); if(!uploadDir.isDirectory()){ out.print(getError("上传目录不存在。")); return "err"; } //检查目录写权限 if(!uploadDir.canWrite()){ out.print(getError("上传目录没有写权限。")); return "err"; } String dirName = request.getParameter("dir"); if (dirName == null) { dirName = "image"; } if(!extMap.containsKey(dirName)){ out.print(getError("目录名不正确。")); return "err"; } //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(); } MultiPartRequestWrapper wrapper = (MultiPartRequestWrapper)request; String fileName = wrapper.getFileNames("imgFile")[0]; File file = wrapper.getFiles("imgFile")[0]; String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase(); if(!Arrays.
    
     asList(extMap.get(dirName).split(",")).contains(fileExt)){ out.print(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。")); } SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss"); String newFileName = df.format(new Date()) + "_" + new Random().nextInt(1000) + "." + fileExt; saveUrl += newFileName; FileOutputStream fos = new FileOutputStream(savePath + newFileName); byt
kindeditor完美整合struts2实现图片上传的功能(一)
