text: var _ = require('lodash');
  var path = require("path");
  var Busboy = require('busboy');
  var fs = require("fs");
  var uniqid = require('uniqid');
  var ueditor_config = require(path.join(process.cwd(),"/config/ueditor.config.js"));
  var upload_config = require('config').get("upload_config");
  
  var filetype = 'jpg,png,gif,ico,bmp';
  module.exports = function(req,res,next) {
  
  	if(req.query.action == "config") {
  		// 吐给客户端配置信息 
  		res.jsonp(ueditor_config);
  	} else if (req.query.action === 'uploadimage' || req.query.action === 'uploadfile' || req.query.action === 'uploadvideo') {
  		var busboy = new Busboy({ headers: req.headers });
  		busboy.on('file', function (fieldname, file, filename, encoding, mimetype) {
  			var fileExtArray = filename.split(".");
  			var ext = fileExtArray[fileExtArray.length - 1];
  			var save_filename = uniqid() + "." + ext;
  			var savePath = path.join(process.cwd(),upload_config.get("upload_ueditor"),save_filename);
  			file.on('end', function () {
  				var result = {
  				'url': upload_config.get("baseURL")+"/" + upload_config.get("upload_ueditor") + "/" + save_filename,
  				'title': req.body && req.body.pictitle || filename,
  				'original': filename,
  				'state': 'SUCCESS'
  				};
  				if(req.query.encode) {
  					res.jsonp(result);
  				} else {
  
  					res.redirect(upload_config.get("simple_upload_redirect") + "?result=" + JSON.stringify(result));
  				}
  				
  			});
  
  			file.pipe(fs.createWriteStream(savePath));
  		});
  		req.pipe(busboy);
  	} else if(req.query.action === 'listimage') {
  		fs.readdir(path.join(process.cwd(),upload_config.get("upload_ueditor")),function(err, files){
  			if(err) return res.end();
  			var total = files.length;
  
  			var filelist = [];
  			var total = 0;
  			_(files).forEach(function(file){
  				var fileExtArray = file.split(".");
  				var ext = fileExtArray[fileExtArray.length - 1];
  				if (filetype.indexOf(ext.toLowerCase()) >= 0) {
  					var result_file = {};
  					result_file.url = upload_config.get("baseURL")+"/" + upload_config.get("upload_ueditor") + "/" + file;
  					filelist.push(result_file);
  					total ++;
  				}
  			});
  			res.jsonp({
  				"state": "SUCCESS",
  				"list": filelist,
  				"start": 1,
  				"total": total
                });
  		})
  	}
  }