addpositon.java

一个关于商业的网站

package com.everstar.career;

/**
 * Title:        webstar
 * Description:  this is the webstar project
 * $ Modified Record:
                   $2003.4.6: Created.

 * Copyright (C) 2003 www.studyjava.com All rights reserved.
 * @version 1.0
 */
import java.util.*;
import java.sql.*;
import java.io.*;

import javax.servlet.*;
import javax.servlet.http.*;
import com.everstar.database.*;

public class AddPositon {

  private PositionInformation position = null;
  private String error = null;
  private Database dbConn = null;
  private String nextURL = null;

  public PositionInformation getPosition() { return position;}
  public void setPosition(PositionInformation newPosition) { position = newPosition;}

  public void setError(String newError) { error = newError;}
  public String getError() { return error;}

  public Database getDbConn() { return(dbConn); }
  public void   setDbConn(Database newDbConn) { dbConn = newDbConn; }

  public String getNextURL() { return((nextURL != null) ? nextURL : ""); }
  public void setNextURL(String nextURL_) { nextURL = nextURL_; }

  public void init(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    if (dbConn == null) error = "No Database Connection";
    if (position == null) error = "No Position Information";
    int  positionId = 0;
    try {
      String  sqlstr = null;
      sqlstr = "select max(positionId) + 1 from position ";
      ResultSet rs = dbConn.select(sqlstr);
      if (rs.next()){
        positionId = rs.getInt(1) ;
        if(positionId <= 0){
          error ="Excetue error!";
         }
      }
      rs.close();
      sqlstr = "insert into position(positionId,positionName,positionDetail,positionRequest,count) values( " +
        positionId + ",'" + position.getPositionName() + "','" + position.getPositionDetail() + "','" +
        position.getPositionRequest() + "',0)";
      dbConn.insert(sqlstr);
      request.getRequestDispatcher(response.encodeURL(getNextURL())).forward(request, response);
    } catch (Exception e) {
      error = "SQL Error";
     }
  }

  public AddPositon() {
  }
}