personupdate.java

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package com.jxc.servlet.person;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;

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 com.jxc.dao.Conn;
import com.jxc.dao.PersonTreat;
import com.jxc.dao.ShoppingTreat;
import com.jxc.vo.Person;
import com.jxc.vo.Shopping;

public class PersonUpdate extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public PersonUpdate() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
     this.doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		request.setCharacterEncoding("UTF-8");
		Connection conn=Conn.getConnection();
		short yage=0;
		String id=request.getParameter("id");
		String yid=request.getParameter("yid");
		String yname=request.getParameter("yname");
		String yjob=request.getParameter("yjob");
		String age=request.getParameter("yage");
		String ysex=request.getParameter("ysex");
		String ypho=request.getParameter("ypho");
		String yaddr=request.getParameter("addr");
		if("".equals(yid)||"".equals(yname)||"".equals(yjob)){
			HttpSession session=request.getSession();
			session.setAttribute("erro", "null");
			response.sendRedirect("personupdate.jsp");
		}else{
			try {
				yage=(short)Integer.parseInt(age);
			} catch (NumberFormatException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		Person person=new Person();
		person.setYid(yid);
		person.setYname(yname);
		person.setYjob(yjob);
		person.setYsex(ysex);
		person.setYaddr(yaddr);
		person.setYpho(ypho);
		person.setYage(yage);
	  if(new PersonTreat().updateById(conn, id, person)){
		  HttpSession session=request.getSession();
			session.setAttribute("erro", "succ");
			response.sendRedirect("personupdate.jsp");
	  }else{
		  HttpSession session=request.getSession();
			session.setAttribute("erro", "fal");
			response.sendRedirect("personupdate.jsp");
	  }
		
		}
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}