`

分类排序方法——上移下移操作(ASP版)

阅读更多

  最近项目中遇到了上移下移操作的一个操作,以前也看到过,但一直没有去研究过,这次项目中遇到了,也就去研究了一把,其实实现原理也挺简单的,说白了就是要记录数据库里的要
进行排序表的总记录数量,然后根据循环的次数,多写几个隐藏变量,进行上移下移操作的时候进行判断就可以了。
  现在一起来看看具体的代码实现吧,希望会对那些没有做过这些操作的朋友有所帮助。

<%
dim database,conn
database=server.mappath("/inc/db1.mdb")
set conn=server.createobject("adodb.connection")
connstr="Driver={Microsoft Access Driver (*.mdb)}; DBQ="&database
conn.open connstr

'--------------------------------------------
' Author:jack
' Date:2009/11/21
'
'--------------------------------------------
'--------------------------------------------
'- 上移或下移操作
'--------------------------------------------
Dim moveflag
moveflag = Request.Form("moveflag")
If Not IsNull(moveflag) And moveflag<>"" Then 
	Dim premenuid,premenuordernum,nextmenuid,nextmenuordernum,nowmenuid,nowmenuordernum,movetype
	movetype = Request.Form("movetype")
	premenuid = Request.Form("premenuid")
	premenuordernum = Request.Form("premenuordernum")
	nowmenuid = Request.Form("nowmenuid")
	nowmenuordernum = Request.Form("nowmenuordernum")
	nextmenuid = Request.Form("nextmenuid")
	nextmenuordernum = Request.Form("nextmenuordernum")
	
	If movetype="up" Then 
		sql = "update c_menu set ordernum="& premenuordernum &" where menuid="& nowmenuid		
		conn.execute(sql)
		sql = "update c_menu set ordernum="& nowmenuordernum &" where menuid="& premenuid
		conn.execute(sql)

	End If 
	If movetype="down" Then 
		sql = "update c_menu set ordernum="& nextmenuordernum &" where menuid="& nowmenuid
		conn.execute(sql)
		sql = "update c_menu set ordernum="& nowmenuordernum &" where menuid="& nextmenuid
		conn.execute(sql)
	End If 
	response.write "<script>parent.location.href='MenuSet.asp';</script>"
End If 
'--------------------------------------------
'- 设置栏目首页可见
'--------------------------------------------
Dim subflag
subflag = request.Form("subflag")
if not isnull(subflag) and subflag<>""  Then
	Dim menuId,menuName,display,msg
	MenuId = request.form("MenuId")
	menuName = request.Form("hdmenuname")
	display = request.Form("hddisplay")
	if MenuId<>"" and cint(MenuId)>0 Then
		sql = "update c_menu set isdisplay=abs(isdisplay-1) where menuid="&MenuId
		Conn.execute(sql)
		msg = menuName & "为" 
		If CInt(display)=1 Then 
			msg = msg & "首页不可见" 
		Else 
			msg = msg & "首页可见" 
		End If 
		response.write "<script>alert('成功设置"& msg &"');parent.location.href='MenuSet.asp';</script>"
	end if
end If

%>
<html>
<head>
<title>首页栏目配置</title>
<link rel="stylesheet" href="inc/Style.css" type="text/css">
</head>
<body>
<table border="0" cellspacing="1" cellpadding="0" width="98%" align="center">
	<tr><td height="10"></td></tr>
	<tr><td height="30"><font class="title">□&nbsp;<B>首页栏目配置</B></font></td></tr>
	<tr><td height="20">注意:您可以设置首页栏目的顺序,并可以设置栏目是否显示在首页[最多7条]!</td></tr>
</table>
<table id="Table1" cellSpacing="0" cellPadding="0" width="100%" border="0" align="center">
	<tr>
		<td align="center">		
			<table id="Table4" cellSpacing="0" cellPadding="0" width="98%" align="center" border="0">
				<tr>
					<td align="center">
						<table class="td_table" cellspacing="1" cellpadding="0" align="center" rules="all" border="0" width="100%" ID="Table5">
							<tr bgColor="#d8e5ff" height=23>
								<td align="center" width="60"><b>序号</b></td>
								<td align="center"><b>栏目名称</b></td>
								<td align="center" width="120"><b>首页可见</b></td>
								<td align="center" width="120"><b>添加时间</b></td>
								<td align="center" width="60"><b>操作</b></td>
								<td align="center" width="50"><b>操作</b></td>
							</tr>
							<%
							sql = "select * from c_menu order by isdisplay desc,ordernum asc"
							set rs=server.createobject("adodb.recordset")
							rs.open sql,conn,1,3
							if rs.eof and rs.bof then
							%>
							<tr>
								<td height="25" bgcolor="F9FBFE" align="center" colspan="10"><font color="#ff0000">数据库中没有符合要求的记录 </font></td>
							</tr>
							<tr>
								<td colspan="10" height="1" bgcolor="#d8e5ff"></td>
							</tr>
							<%
							else
								i=0
								Response.write "<input type=""hidden"" name=""totalMenus"" id=""totalMenus"" value="""&rs.recordcount&""">"
								do while not rs.eof
								if i mod 2=0 then
									color = "#f3f6ff"
								else
									color = "#ffffff"
								end if
							%>
								<tr bgcolor="<%=color%>" height=23>
									<td align="center"><%=i+1%><input type="hidden" name="menuorder_<%=i+1%>" id="menuorder_<%=i+1%>" value="<%=i+1%>"><input type="hidden" name="menuid_<%=i+1%>" id="menuid_<%=i+1%>" value="<%=Rs("menuid")%>"></td>
									<%if rs("isdisplay")="1" Then%>
									<td align="left">&nbsp;<font color=red><%=rs("MenuName")%></font></td>
									<td align="center"><font color=red>使用中...</font></td>
									<%else%>
									<td align="left">&nbsp;<%=rs("MenuName")%></td>
									<td align="center"><font color=#666666>禁用中...</font></td>
									<%end if%>
									<td align="center"><%=rs("AddTime")%></td>
									<td align="center">
										<a href="#" onclick="moveMenu('<%=Rs("menuid")%>','<%=i+1%>','up');"><img src="../../Img/icon_digg.gif" border="0" alt="上移"/></a>
										<a href="#" onclick="moveMenu('<%=Rs("menuid")%>','<%=i+1%>','down');"><img src="../../Img/icon_bury.gif" border="0" alt="下移"/></a>
									</td>
									<td align="center">
										<a href="#" onclick="changeDisplay('<%=Rs("menuid")%>','<%=Rs("menuname")%>','<%=Rs("isdisplay")%>');">
										<%
										if rs("isdisplay")="1" then
											response.write "禁用"
										else
											response.write "<font color=red>启用</font>"
										end if
										%>
										</a>
									</td>
								</tr>
							<%
								i=i+1
								rs.movenext
								loop
							%>
						</table>
					</td>
				</tr>
				<tr>
					<td colspan="2" height="1" bgcolor="#d8e5ff"></td>
				</tr>
				<%
				rs.close
				set rs=nothing
				end if
				%>
			</table>
		</td>
	</tr>
</table>
<form action="" method="post" name="form1" id="form1" target="Checkframe">	
	<input type="hidden" name="subflag" id="subflag" value="1">
	<input type="hidden" name="MenuId" id="MenuId">
	<input type="hidden" name="hdmenuname" id="hdmenuname">
	<input type="hidden" name="hddisplay" id="hddisplay">
</form>
<form action="" method="post" name="form2" id="form2" target="Checkframe">
	<input type="hidden" name="moveflag" id="moveflag" value="1">
	<input type="hidden" name="movetype" id="movetype">
	<input type="hidden" name="premenuid" id="premenuid">
	<input type="hidden" name="premenuordernum" id="premenuordernum">
	<input type="hidden" name="nowmenuid" id="nowmenuid">
	<input type="hidden" name="nowmenuordernum" id="nowmenuordernum">
	<input type="hidden" name="nextmenuid" id="nextmenuid">
	<input type="hidden" name="nextmenuordernum" id="nextmenuordernum">
</form>
</body>
</html>
<script language="javascript">
function changeDisplay(MenuId,MenuName,Display){
	document.getElementById("MenuId").value = MenuId;
	document.getElementById("hdmenuname").value = MenuName;
	document.getElementById("hddisplay").value = Display;
	document.getElementById("form1").submit();
}
function moveMenu(menuid,menuordernum,movetype){
	var num,prenum,premenuid,nextnum,nextmenuid,maxnum;
	document.getElementById("movetype").value = movetype;	
	num = parseInt(menuordernum);	
	if(movetype=="up"){			
		if(num==1){
			alert("当前已经处于第一位!");
		}else{
			prenum = document.getElementById("menuorder_"+(num-1)).value;
			premenuid = document.getElementById("menuid_"+(num-1)).value;
			document.getElementById("premenuid").value = premenuid;
			document.getElementById("premenuordernum").value = prenum;
			document.getElementById("nowmenuid").value = menuid;
			document.getElementById("nowmenuordernum").value=menuordernum;
			document.getElementById("form2").submit();
		}
	}else{
		maxnum = parseInt(document.getElementById("totalMenus").value);
		if(num>=maxnum){
			alert("已经处于最后了!");
		}else{
			nextnum = document.getElementById("menuorder_"+(num+1)).value;
			nextmenuid = document.getElementById("menuid_"+(num+1)).value;
			document.getElementById("nextmenuid").value = nextmenuid;
			document.getElementById("nextmenuordernum").value = nextnum;
			document.getElementById("nowmenuid").value = menuid;
			document.getElementById("nowmenuordernum").value = menuordernum;
			document.getElementById("form2").submit();
		}
	}
}
</script>
<%

'异常错误处理
if err.number <> 0 then 
	logError err.number,forerr(err.source&":"&err.description)
	err.clear
	Response.end
end if

Conn.Close
set Conn = nothing
%>
 

以上是核心的代码实现。本人会在近段时间写java版本的操作,希望有需要的朋友在点评那里说下。

如果有需要具体信息的朋友,可以去我的博客里下载:

分类排序方法——上移下移操作(ASP版)

 

0
0
分享到:
评论

相关推荐

Global site tag (gtag.js) - Google Analytics