2020.04.28 三层架构练习3
作者:互联网
Yummy 22:31:37
package com.aojie.web.Servlet;
import com.aojie.domain.User;
import com.aojie.service.UserService;
import com.aojie.service.impl.UserServiceImpl;
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 java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;
/**
* @author aojie
* @fuction
* @create 2020-04-28 19:53
*/
@WebServlet("/UpdateUserServlet")
public class UpdateUserServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//设置编码格式
request.setCharacterEncoding("utf-8");
//获取表单数据
Map<String, String[]> parameterMap = request.getParameterMap();
//封装对象
User user = new User();
try {
BeanUtils.populate(user,parameterMap);
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
//调用service中update方法
UserService service = new UserServiceImpl();
service.updateUser(user);
//重定向到UserlistServlet
response.sendRedirect(request.getContextPath()+"/UserListServlet");
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request, response);
}
}
Yummy 22:31:45
package com.aojie.web.Servlet;
import com.aojie.domain.User;
import com.aojie.service.UserService;
import com.aojie.service.impl.UserServiceImpl;
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 java.io.IOException;
/**
* @author aojie
* @fuction
* @create 2020-04-28 19:53
*/
@WebServlet("/FindUserServlet")
public class FindUserServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String id = request.getParameter("id");
UserService service = new UserServiceImpl();
User user = service.findUser(id);
request.setAttribute("user",user);
request.getRequestDispatcher("/update.jsp").forward(request,response);
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request, response);
}
}
标签:架构,service,28,request,2020.04,aojie,import,servlet,javax 来源: https://www.cnblogs.com/aojie/p/12798069.html