modifyvetservlet.java~16~

来自「宠物医院」· JAVA~16~ 代码 · 共 67 行

package servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import java.sql.PreparedStatement;
import bean.JDBCBean;
import java.sql.ResultSet;
import java.sql.Connection;

public class modifyVetServlet
    extends HttpServlet {
  private static final String CONTENT_TYPE = "text/html; charset=GBK";

  //Initialize global variables
  public void init() throws ServletException {
  }

  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    PrintWriter out = response.getWriter();
    JDBCBean jdbc=new JDBCBean();
    Connection con=jdbc.getCon();
    PreparedStatement pstm=null;
    ResultSet rs=null;
    String vetname=null;
    try
    {
      String vetNumber=(String)request.getParameter("getvetNumber");  //得到修改医师的id
      String sql="select name from vets where number=?";
      pstm=con.prepareStatement(sql);
      pstm.setString(1,vetNumber);
      rs=pstm.executeQuery();
      if(rs.next())
      {
        vetname=rs.getString(1);
      }

      HttpSession session=request.getSession();
      session.setAttribute("ModifyVetName",vetname);

      javax.servlet.RequestDispatcher dis=request.getRequestDispatcher("modifyVet.jsp?modifyVetId="+vetid);
      dis.forward(request,response);

    }
    catch(Exception e)
    {
      e.printStackTrace();
    }


  }

  //Process the HTTP Post request
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    doGet(request, response);
  }

  //Clean up resources
  public void destroy() {
  }
}