package org.shengke.servlet;

import java.io.File;
import java.io.IOException;

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

import com.jspsmart.upload.SmartUpload;

/**
 * 文件批量上传
 */
public class SmartUploadServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(req,resp);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		//设置上传文件保存路径
//		String filePath = getServletContext().getRealPath("/") + "images";
		String filePath = "/home/shengke/workspace/wenjianSCXZ/WebContent/images";
		File file = new File(filePath);
		//这个应该都知道把，如果路径不存在，就创建它，注意权限问题
		if(!file.exists()){
			file.mkdir();
		}
		//下面就是使用Smart组建实现批量上传
		SmartUpload su = new SmartUpload();
		//初始化对象
		su.initialize(getServletConfig(), req, resp);
		//设置上传文件大小
		su.setMaxFileSize(1024*1024*10);
		//设置所有文件的大小
		su.setTotalMaxFileSize(1024*1024*100);
		//设置允许上传文件类型
		su.setAllowedFilesList("txt,jpg,gif");
		String result = "上传成功！";
		//设置禁止上传的文件类型
		try {
			//和setAllowedFilesList是相对的，一般项目保留一个就可以满足需求
			su.setDeniedFilesList("rar,jsp,js");
			//上传文件
			su.upload();
			
			int count = su.save(filePath);
			System.out.println("上传成功" +  count + "个文件！");
		} catch (Exception e) {
			result = "上传失败！";
			//对异常作出不同的提示，如果感兴趣的话，可以 测试一下异常代号
			if(e.getMessage().indexOf("1015")!=-1){
				result = "上传失败:上传文件类型不正确！";
			}else if(e.getMessage().indexOf("1010")!=-1){
				result = "上传失败:上传文件类型不正确！";
			}else if(e.getMessage().indexOf("1105")!=-1){
				result = "上传失败:上传文件大小超出单个文件最大值！";
			}else if(e.getMessage().indexOf("1110")!=-1){
				result = "上传失败:上传文件总大小超出总文件最大值！";
			}
			e.printStackTrace();
		}
		
		//控制台输出上传文件的信息，供君使用
		for(int i =0; i < su.getFiles().getCount(); i++){
			com.jspsmart.upload.File tempFile = su.getFiles().getFile(i);
			System.out.println("---------------------------");
			System.out.println("表单当中name属性值：" + tempFile.getFieldName());
			System.out.println("上传文件名：" + tempFile.getFieldName());
			System.out.println("上传文件长度:" + tempFile.getSize());
			System.out.println("上传文件的拓展名：" + tempFile.getFileExt());
			System.out.println("上传文件的全名：" + tempFile.getFilePathName());
			System.out.println("---------------------------");
		}
		
		//跳转页，把result带过去
		req.setAttribute("result", result);
		req.getRequestDispatcher("jsp/02.jsp").forward(req, resp);
	}

}