package cn.itcast.travel.web.servlet;

import cn.itcast.travel.domain.ResultInfo;
import cn.itcast.travel.domain.User;
import cn.itcast.travel.service.Impl.UserServiceImpl;
import cn.itcast.travel.service.UserService;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.beanutils.BeanUtils;

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 javax.servlet.http.HttpSession;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;

@WebServlet("/registUserServlet")
public class RegistUserServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {


        String check = request.getParameter("check");
        HttpSession session = request.getSession();
        String checkcode_server = (String)session.getAttribute("CHECKCODE_SERVER");
        session.removeAttribute("CHECKCODE_SERVER");
        if(checkcode_server == null || !checkcode_server.equalsIgnoreCase(check)){
            //验证码错误：
            ResultInfo info = new ResultInfo();
            info.setFlag(false);
            info.setErrorMsg("注册失败");
            ObjectMapper mapper = new ObjectMapper();
            String json = mapper.writeValueAsString(info);
            response.setContentType("application/json;charset=utf-8");
            response.getWriter().write(json);
            return;
        }

        Map<String, String[]> map = request.getParameterMap();
        User user = new User();
        try {
            BeanUtils.populate(user,map);
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
        UserService service = new UserServiceImpl();
        Boolean flag = service.regist(user);
        ResultInfo info = new ResultInfo();
        if(flag){
            info.setFlag(true);
        }else {
            info.setFlag(false);
            info.setErrorMsg("注册失败");
        }
        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writeValueAsString(info);
        response.setContentType("application/json;charset=utf-8");
        response.getWriter().write(json);


    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doPost(request, response);
    }
}

package cn.itcast.travel.web.servlet;

import cn.itcast.travel.domain.ResultInfo;
import cn.itcast.travel.domain.User;
import cn.itcast.travel.service.Impl.UserServiceImpl;
import cn.itcast.travel.service.UserService;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.beanutils.BeanUtils;

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 javax.servlet.http.HttpSession;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;

@WebServlet("/registUserServlet")
public class RegistUserServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {


        String check = request.getParameter("check");
        HttpSession session = request.getSession();
        String checkcode_server = (String)session.getAttribute("CHECKCODE_SERVER");
        session.removeAttribute("CHECKCODE_SERVER");
        if(checkcode_server == null || !checkcode_server.equalsIgnoreCase(check)){
            //验证码错误：
            ResultInfo info = new ResultInfo();
            info.setFlag(false);
            info.setErrorMsg("注册失败");
            ObjectMapper mapper = new ObjectMapper();
            String json = mapper.writeValueAsString(info);
            response.setContentType("application/json;charset=utf-8");
            response.getWriter().write(json);
            return;
        }

        Map<String, String[]> map = request.getParameterMap();
        User user = new User();
        try {
            BeanUtils.populate(user,map);
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
        UserService service = new UserServiceImpl();
        Boolean flag = service.regist(user);
        ResultInfo info = new ResultInfo();
        if(flag){
            info.setFlag(true);
        }else {
            info.setFlag(false);
            info.setErrorMsg("注册失败");
        }
        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writeValueAsString(info);
        response.setContentType("application/json;charset=utf-8");
        response.getWriter().write(json);


    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doPost(request, response);
    }
}