java修改

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("/UpdateCustomerServlet")
public class UpdateCustomerServlet 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 {
        Customer customer=new Customer();
        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);
        }


        boolean b = customerService.updateService(customer);
        if (b){
            //重定向
            response.sendRedirect(request.getContextPath()+"/QueryPageCustomerServlet");
        }else{
            request.setAttribute("msg","邮箱已被占用!!!");
            request.setAttribute("customer",customer);
            super.processTemplate("update",request,response);
        }
    }
}