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📄 savedata.jsp

📁 以JSP与TOMCAT数据库连接池实现的订餐系统
💻 JSP
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<%@page contentType="text/html; charset=gb2312"%>
<%@ page import="java.util.*"%>
<%@ include file="connect_odbc.jsp"%>

<html>
<head>
<title>
保存订餐数据
</title>
</head>
<body bgcolor="#009999">
<%
	String sk,temp=null;
	String user="HXK";
	String year_get,month_get,day_get;
	int saturday_lunch,sunday_lunch,saturday_supper,sunday_supper;
	int k=0;
	int ksdm=0;
	int zcsl=0;
	int wcsl=0;
	int zitemp=0,witemp=0;
	int p=0;
	String err="";
	boolean save=true;

	sk=session.getAttribute("k").toString();
	k=Integer.parseInt(sk);

	sk=session.getAttribute("ksdm").toString();
	user=sk.toString();
	ksdm=Integer.parseInt(sk);

	sk=session.getAttribute("zcsl").toString();
	zcsl=Integer.parseInt(sk);

	sk=session.getAttribute("wcsl").toString();
	wcsl=Integer.parseInt(sk);

	sk=session.getAttribute("p").toString();
	p=Integer.parseInt(sk);

	sk=session.getAttribute("saturday_lunch").toString();
	saturday_lunch=Integer.parseInt(sk);

	sk=session.getAttribute("saturday_supper").toString();
	saturday_lunch=Integer.parseInt(sk);

	sk=session.getAttribute("sunday_lunch").toString();
	sunday_lunch=Integer.parseInt(sk);

	sk=session.getAttribute("sunday_supper").toString();
	sunday_supper=Integer.parseInt(sk);

	if(p>0)
	{
		err="对不起,数据已提交不能进行修改,如需修改请和营养科联系!";
		save=false;
	}
	else
	{
		if(k>0)
		{

			int cdxh[] = new int[k];
			int wcdxh[] = new int[k];
			int zc[] = new int[k];
			int wc[] = new int[k];

			for(int i=0;i<k;i++)
			{
				//取得菜单序号数组
				temp=session.getAttribute("cdxh"+i).toString();
				cdxh[i]=Integer.parseInt(temp);

				temp=session.getAttribute("wcdxh"+i).toString();
				wcdxh[i]=Integer.parseInt(temp);

				//取得输入的数量数组
				temp=request.getParameter("zc"+(i+1));
				zc[i]=Integer.parseInt(temp);

				zitemp=zitemp+zc[i];

				if(zitemp>zcsl)
				{
					err="对不起,中餐份数太多,请重输!";
					save=false;
					break;
				}

				temp=request.getParameter("wc"+(i+1));
				wc[i]=Integer.parseInt(temp);

				witemp=witemp+wc[i];

				if(witemp>wcsl)
				{
					err="对不起,晚餐份数太多,请重输!";
					save=false;
					break;
				}
			 }
			int week;
			year_get=session.getAttribute("year").toString();
			month_get=session.getAttribute("month").toString();
			day_get=session.getAttribute("day").toString();

			Calendar calendar_week=Calendar.getInstance();
			calendar_week.setFirstDayOfWeek(Calendar.SUNDAY);
			calendar_week.set(Calendar.YEAR,Integer.parseInt(year_get));
			calendar_week.set(Calendar.MONTH,Integer.parseInt(month_get));
			calendar_week.set(Calendar.DAY_OF_MONTH,Integer.parseInt(day_get));

			int year,month,day,hour,minute,second;
			String syear="",smonth="",sday="",shour="",sminute="",ssecond="";
			String sbtid="";
			String sql_1;
			int n=0;
			String sysj;
			boolean save_1=true;
			boolean save_2=true;
			String sqrq="";
			String sq="";

			/*以下部分为取得当前系统时间及取得BTID号码*/
			GregorianCalendar calendar;
			calendar=new GregorianCalendar();
			year=calendar.get(Calendar.YEAR);
			month=calendar.get(Calendar.MONTH)+1;//月份
			day=calendar.get(Calendar.DAY_OF_MONTH);//天
			hour=calendar.get(Calendar.HOUR_OF_DAY);//小时(24小时制)
			minute=calendar.get(Calendar.MINUTE);//分钟
			second=calendar.get(Calendar.SECOND);//秒

			//年份
			if(year<10)
			{
				syear="0"+year;
			}
			else
			{
				syear=year+"";
			}

			//月份
			if(month<10)
			{
				smonth="0"+month;
			}
			else
			{
				smonth=month+"";
			}
			//日
			if(day<10)
			{
				sday="0"+day;
			}
				else
			{
				sday=day+"";
			}
			//小时
			if(hour<10)
			{
				shour="0"+hour;
			}
				else
			{
				shour=hour+"";
			}

			//分钟
			if(minute<10)
			{
				sminute="0"+minute;
			}
				else
			{
				sminute=minute+"";
			}

			//秒
			if(second<10)
			{
				ssecond="0"+second;
			}
				else
			{
				ssecond=second+"";
			}

			sqrq = syear+"-"+smonth+"-"+sday+" "+shour+":"+sminute+":"+ssecond;

			sq=syear+smonth+sday;
			sbtid = year_get+month_get+day_get;

			int y,y_1;

			y=Integer.parseInt(sq);
			y_1=Integer.parseInt(sbtid);

			if(y>=y_1)
			{
				err="对不起,职工餐只能订今天以后的菜肴!";
				save=false;
			}

			if(y_1-y==1&&Integer.parseInt(shour)>=16)
			{
				err="对不起,职工餐必须在下午4点前预订!";
				save=false;
			}

			sysj = year_get+"-"+month_get+"-"+day_get+" 00:00:00";
			/*结束*/

			sql_1="SELECT BTID,KSDM,TJGH,TJRQ FROM YY_EMPLOYE WHERE BTID="+sbtid+" AND KSDM="+ksdm+"";

			rs = stmt.executeQuery(sql_1);

			while(rs.next())
			{
				n++;
			}

			sql="insert into YY_EMPLOYE(BTID,KSDM,SYRS,SQRQ,SQGH) VALUES("+sbtid+","+ksdm+",1,to_date('"+sqrq+"','yyyy-mm-dd hh24:mi:ss'),'"+user+"')";

			if(save)
			{
				con.setAutoCommit(false); //事务控制语句
				try{

						if(n<=0)
						{
							stmt.executeUpdate(sql);
						}

						//保存中餐
						n=0;
						for(int i=0;i<k;i++)
						{

							if(cdxh[i]>0)
							{
								sql_1="SELECT BTID FROM YY_EMPLOYE_DETAIL WHERE  KSDM ="+ksdm+" AND CDXH ="+cdxh[i]+"";

								rs=stmt.executeQuery(sql_1);
								while(rs.next())
								{
									n++;
								}
								if(n<=0)
								{
									sql="insert into YY_EMPLOYE_DETAIL(BTID,KSDM,CDXH,SYSJ,SYRS,CDCX,SYSL) VALUES("+sbtid+","+ksdm+","+cdxh[i]+",to_date('"+sysj+"','yyyy-mm-dd hh24:mi:ss'),1,2,"+zc[i]+")";
									stmt.executeUpdate(sql);
								}
								else
								{
									sql="update YY_EMPLOYE_DETAIL set SYSL="+zc[i]+" WHERE  KSDM ="+ksdm+" AND CDXH ="+cdxh[i]+"";
									stmt.executeUpdate(sql);
								}
							}
							//保存晚餐
							if(wcdxh[i]>0)
							{
								n=0;
								sql_1="SELECT BTID FROM YY_EMPLOYE_DETAIL WHERE  KSDM ="+ksdm+" AND CDXH ="+wcdxh[i]+"";

								rs=stmt.executeQuery(sql_1);
								while(rs.next())
								{
									n++;
								}
								if(n<=0)
								{
									sql="insert into YY_EMPLOYE_DETAIL(BTID,KSDM,CDXH,SYSJ,SYRS,CDCX,SYSL) VALUES("+sbtid+","+ksdm+","+wcdxh[i]+",to_date('"+sysj+"','yyyy-mm-dd hh24:mi:ss'),1,3,"+wc[i]+")";
									stmt.executeUpdate(sql);
								}
								else
								{
									sql="update YY_EMPLOYE_DETAIL set SYSL="+wc[i]+" WHERE  KSDM ="+ksdm+" AND CDXH ="+wcdxh[i]+"";
									stmt.executeUpdate(sql);
								}
							}
						}

						con.commit();
						err="数据保存成功,谢谢使用!";
				}
				catch(SQLException se)
				{
					out.println(sql);
					con.rollback();
					err=se.getMessage()+",数据保存失败!";
				}

			}
		}
		else
		{
			err="对不起,出现错误,数据不能保存!";
		}
	}

	pool.releaseConnection(con);
	%>

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