java添加用户

package com.yh.controller;

import com.yh.model.Customer;
import com.yh.service.CustomerService;
import com.yh.service.impl.CustomerServiceImpl;
import org.apache.commons.beanutils.BeanUtils;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;

@WebServlet("/AddCustomerServlet")
public class AddCustomerServlet extends ViewBaseServlet{
    CustomerService customerService=new CustomerServiceImpl();
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request,response);
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

//        登录认证思路  登陆成功之后  在session上绑定属性
//        以后操作时先获取对应的属性：获取到：表示通过
//                                获取不到：表示未登录 跳转到登录页面
//        Object user = request.getSession().getAttribute("user");
//        if (user != null) {
//  //          尚未登陆
//            response.sendRedirect("/login&®ist.html");
//            return;
//        }

        Customer customer=new Customer();
        //获取请求参数
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");
        //获取请求参数
        Map<String,String[]> map=request.getParameterMap();
        try {
            //把参数封装成对象
            BeanUtils.populate(customer, map);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        } catch (InvocationTargetException e) {
            throw new RuntimeException(e);
        }



        int i = customerService.register(customer);
        if (i==1){
            request.setAttribute("msg","邮箱已被占用!!!");
            request.setAttribute("customer",customer);
         // request.getRequestDispatcher("add,html").forward(request,response);
            super.processTemplate("add",request,response);
        }else {
            //重定向
            response.sendRedirect(request.getContextPath()+"/QueryPageCustomerServlet");
    }
    }
}