package servlets;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

import bean.User;

import dao.UserDao;

/**

*

* 此类用于用户修改头像 或者上传头像

* @author acer

*

*/

@SuppressWarnings("serial")

public class ChangeIconServlet extends HttpServlet{

@Override

protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

/* UserDao ud=new UserDao();

User user=ud.getUser("tyqinjava");

user.setUser_icon("/face/1.png");

ud.update(user);*/

}

protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

req.setCharacterEncoding("utf-8");

resp.setContentType("text/plain;charset=utf-8");

PrintWriter out=resp.getWriter();

String changeIcon=req.getParameter("changeIcon");

String iconName=req.getParameter("iconname");

HttpSession session=req.getSession();

UserDao ud=new UserDao();

if(changeIcon!=null&&iconName!=null){ //更改头像逻辑

User user=(User)session.getAttribute("user"); //session不同步问题先不讨论

if(user==null){

out.print("{\"state\":1}"); //session 过期

}else{

user.setUser_icon("face/"+iconName);

ud.update(user);

out.print("{\"state\":0}");

}

}else{

User user=(User)session.getAttribute("user"); //session不同步问题先不讨论

if(user==null){

out.print("{\"state\":1}"); //session 过期

}else{

user.setUser_icon(iconName); //上传头像

ud.update(user);

out.print("{\"state\":0}");

}

}

}

}