/*
 * Created on 2004-9-24
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package com.affice;

import oa.sys.*;
import oa.sys.Time;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
 ****************************************************
 *類名稱：	Add<br>
 *類功能：	增加公告信息<br>
 *創(chuàng)建：	白偉明	2004年10月5日<br>
 ****************************************************
 * To change the template for this generated type comment go to
 * Window&gt;Preferences&gt;Java&gt;Code Generation&gt;Code and Comments
 */
public class Add extends HttpServlet{
	private HttpSession session=null;
	private ResultSet rs=null;
	private Statement stmt=null;
	private String title,content,sqli,sqls;
	private int temp=0,id;
	
	public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{
		request.setCharacterEncoding("gb2312");//設(shè)定統(tǒng)一編碼樣式，解決中文顯示問題
		response.setContentType("text/html; charset=gb2312");
		Str str=new Str();//獲得字符串轉(zhuǎn)化類中的對(duì)象
		Db db=new Db();//獲得數(shù)據(jù)庫連接對(duì)象
		Time time=new Time();//獲得顯示時(shí)間類中的對(duì)象
		PrintWriter out=response.getWriter();//獲得輸出流對(duì)象
		session=request.getSession();//返回和客戶端關(guān)聯(lián)的Session
		id=Integer.parseInt((String)session.getAttribute("id"));//獲得員工登陸的ID號(hào)
		title=request.getParameter("title");//接收表單提交過來公告標(biāo)題
		content=request.getParameter("content");//接收表單提交過來的公告內(nèi)容
		title=str.inStr(title);//對(duì)標(biāo)題進(jìn)行字符串的格式轉(zhuǎn)化
		content=str.inStr(content);
		sqli="INSERT INTO affice(title,time,employeeid,content)"+
		     " VALUES('"+title+"','"+time.getYMD()+"',"+id+",'"+content+"')";
		sqls="SELECT * FROM affice WHERE time='"+time.getYMD()+"'";
		try {
			stmt=db.getStmtread();
			rs=stmt.executeQuery(sqls);//執(zhí)行判斷今日是否已經(jīng)發(fā)布了公告的SQL語句
			if(!rs.next()){//如果今日還沒有發(fā)布公告
				db.close();
				stmt=db.getStmt();
				temp=stmt.executeUpdate(sqli);//執(zhí)行插入的SQL語句
				if(temp>0){
					request.setAttribute("msg","發(fā)布成功");//通過"名-值"對(duì)的形式將信息保存在Request范圍內(nèi)
				}else{
					request.setAttribute("msg","發(fā)布失敗");
				}
			}else{
				request.setAttribute("msg","今日已經(jīng)發(fā)布公告，不能再發(fā)布");
			}
		} catch (SQLException e) {
			e.printStackTrace();
		}finally{
			db.close();
			//處理完客戶請(qǐng)求后，將請(qǐng)求轉(zhuǎn)發(fā)到相應(yīng)的JSP頁來顯示處理結(jié)果
			RequestDispatcher dispatcher=request.getRequestDispatcher("add.jsp");
			dispatcher.forward(request,response);
		}
	}
	//doGet()方法的執(zhí)行效果和doPost()方法一樣
	public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{
		doPost(request,response);
	}
}