package com.imooc.servlet;
import java.io.File;
import java.io.IOException;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.jspsmart.upload.SmartUpload;
import com.jspsmart.upload.SmartUploadException;
/**
* Servlet implementation class SmartUploadServlet
*/
@WebServlet("/SmartUploadServlet")
public class SmartUploadServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public SmartUploadServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doPost(request,response);
}
/**
* @throws ServletException
* @throws IOException
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
//设置文件保存路径
String path = getServletContext().getRealPath("/")+"image";
File file = new File(path);
if(file.exists()){
file.mkdirs();
}
SmartUpload su = new SmartUpload();
String result = "文件上传成功";
//初始化SmartUpload对象 getServletConfig()返回一个ServletConfig对象,通过该对象可以获得该servlet的初始化参数
su.initialize(getServletConfig(),request, response);
//设置上传文件的大小为10M
su.setMaxFileSize(1024*1024*10);
//设置上传文件的总大小为100M
su.setTotalMaxFileSize(1024*1024*100);
//设置允许上传文件的类型
su.setAllowedFilesList("txt,jpg,png,gif");
//设置不允许上传类型
try {
// su.setDeniedFilesList("jsp,js,rar");
//上传文件
su.upload();
int count = su.save(path);
System.out.println("上传成功了"+count+"个文件");
// } catch (SQLException e) {
// // TODO Auto-generated catch block
// result = "上传失败";
// e.printStackTrace();
} catch (Exception e) {//这儿不能写成SmartUploadException 如果这样就会转发到异常信息页面而不是转发到02.jsp页面
// TODO Auto-generated catch block
System.out.println(e.getMessage());
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("1005")!=-1){
result = "上传失败:大小超过单个上传文件的最大值";
}else if(e.getMessage().indexOf("1110")!=-1){
result = "上传失败:总大小超过所有上传文件的最大值";
}
e.printStackTrace();
}
request.setAttribute("result", result);
request.getRequestDispatcher("jsp/02.jsp").forward(request, response);
}
}