jsp_project_/store/src/ModiSevrlet -优快云博客

本文介绍了一个用于修改用户信息的Servlet实现。该Servlet通过POST请求接收用户提交的数据，并更新数据库中的相应记录。支持修改用户名、性别、密码等信息。

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import java.io.IOException;
import java.io.PrintWriter;
import java.util.Calendar;

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 conn.ConnectionDatabase;

public class ModiSevrlet extends HttpServlet {

/**
*
*/
private static final long serialVersionUID = 1L;

/**
* Constructor of the object.
*/
public ModiSevrlet() {
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 {

  response.setContentType("text/html");
  PrintWriter out = response.getWriter();
  out
    .println("<!DOCTYPE HTML PUBLIC /"-//W3C//DTD HTML 4.01 Transitional//EN/">");
  out.println("<HTML>");
  out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
  out.println(" <BODY>");
  out.print("    This is ");
  out.print(this.getClass());
  out.println(", using the GET method");
  out.println(" </BODY>");
  out.println("</HTML>");
  out.flush();
  out.close();
}

/**
* 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 String getToday()
{
  Calendar today = Calendar.getInstance();
  int year = today.get(Calendar.YEAR);
  int month = today.get(Calendar.MONTH)+1;
  int day = today.get(Calendar.DAY_OF_MONTH);
  return year+"年"+month+"月"+day+"日";
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {

  response.setContentType("text/html");

  PrintWriter out = response.getWriter();

  String name = new String(((String)request.getParameter("userName")).getBytes("ISO-8859-1"),"GBK");
  String sex = new String(((String)request.getParameter("usersex")).getBytes("ISO-8859-1"),"GBK");
  String pass = new String(((String)request.getParameter("userPass")).getBytes("ISO-8859-1"),"GBK");
  String indexT = new String(((String)request.getParameter("select")).getBytes("ISO-8859-1"),"GBK");
  String indexN = new String(((String)request.getParameter("indexNum")).getBytes("ISO-8859-1"),"GBK");
  String email = new String(((String)request.getParameter("userEmail")).getBytes("ISO-8859-1"),"GBK");
  String telePhone = new String(((String)request.getParameter("telephone")).getBytes("ISO-8859-1"),"GBK");
  String address = new String(((String)request.getParameter("userAdd")).getBytes("ISO-8859-1"),"GBK");
  ConnectionDatabase con = new ConnectionDatabase();
  String sql = "update userInfo set Usex = '"+sex+"'";
  sql+=",UPass ='"+pass+"'";
  sql+=",indexType='"+indexT+"'";
  sql+=",indexNum='"+indexN+"'";
  sql+=",Email='"+email+"'";
  sql+=",telephone='"+telePhone+"'";
  sql+=",address='"+address+"'   where UName='"+name+"'" ;
  HttpSession session = request.getSession();
  session.setAttribute("UserNAme",name);
  if(con.updateBase(sql)>0)
  {
   response.sendRedirect("ModifyS.jsp");
  }else
  {
   response.sendRedirect("ModifyFail.jsp");
  }

  out.close();
  out.println(" </BODY>");
  out.println("</HTML>");
}

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

}