用javascript获取控件实际位置，点击控件紧邻显示浮动 DIV
日期：2014-05-18 浏览次数：20452 次
【分享】用javascript获取控件实际位置，点击控件紧邻显示浮动 DIV
代码取自JS日历，提取出来方便使用。欢迎回贴提供改进、更通用的代码:
(注：粘贴即用，兼容 IE7，IE8，IE9的兼容模式,但不兼容IE9。如果想兼容，需在<head>添加<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />）
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default2.aspx.vb" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.dv
{
width:200px;
height:100px;
background-color:Yellow;
border:1px black solid;
position:absolute;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<table style="width:100%;">
<tr>
<td>
<asp:Button ID="Button2" runat="server" Text="Button" OnClientClick="return show(this);"
/>
</td>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
<asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="return show(this);" />
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
</table>
<div id="ddv" class="dv">
</div>
<script>
function show(obj) {
var ddv = document.getElementById("ddv");
var fixedX = -1; // x position (-1 if to appear below control)
var fixedY = -1; // x position (-1 if to appear below control)
var leftpos = 0;
var toppos = 0;
var aTag = obj;
do {
aTag = aTag.offsetParent;
leftpos += aTag.offsetLeft;
toppos += aTag.offsetTop;
} while (aTag.tagName != "BODY");
ddv.style.left = fixedX == -1 ? obj.offsetLeft + leftpos : fixedX;
ddv.style.top = (fixedY == -1 ? obj.offsetTop + toppos : fixedY)+20;
return false;
}
</script>
</div>
</form>
</body>
</html>
------解决方案--------------------
能发个效果图上来就更加完美了
------解决方案-------
代码取自JS日历，提取出来方便使用。欢迎回贴提供改进、更通用的代码:
(注：粘贴即用，兼容 IE7，IE8，IE9的兼容模式,但不兼容IE9。如果想兼容，需在<head>添加<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />）
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default2.aspx.vb" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.dv
{
width:200px;
height:100px;
background-color:Yellow;
border:1px black solid;
position:absolute;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<table style="width:100%;">
<tr>
<td>
<asp:Button ID="Button2" runat="server" Text="Button" OnClientClick="return show(this);"
/>
</td>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
<asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="return show(this);" />
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
</table>
<div id="ddv" class="dv">
</div>
<script>
function show(obj) {
var ddv = document.getElementById("ddv");
var fixedX = -1; // x position (-1 if to appear below control)
var fixedY = -1; // x position (-1 if to appear below control)
var leftpos = 0;
var toppos = 0;
var aTag = obj;
do {
aTag = aTag.offsetParent;
leftpos += aTag.offsetLeft;
toppos += aTag.offsetTop;
} while (aTag.tagName != "BODY");
ddv.style.left = fixedX == -1 ? obj.offsetLeft + leftpos : fixedX;
ddv.style.top = (fixedY == -1 ? obj.offsetTop + toppos : fixedY)+20;
return false;
}
</script>
</div>
</form>
</body>
</html>
------解决方案--------------------
能发个效果图上来就更加完美了
------解决方案-------
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