1.我在ASPX文件中放一个图片,我可以拖动图片,问题是:拖动图片的时候鼠标的形状改变了,变成cursor:not allow模式了,我想把拖动过程的鼠标形状定义一下,怎么办?
2.我有一个图片和一个按钮,我想点一下图片,然后选择按钮获得图片ID,在服务器端执行逻辑!怎么实现获得ID和执行服务器端的逻辑.
2.我有一个图片和一个按钮,我想点一下图片,然后选择按钮获得图片ID,在服务器端执行逻辑!怎么实现获得ID和执行服务器端的逻辑.
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用javascript控制css2.点击图片再点击按钮,这明显是客户段来做的,然后一次提交到服务器,然后非要用服务器来处理就要用ajax了,否则你想每点一次就刷新吗
2:你用个控件属性或<intpu type="hidden"/>在pageload事件中就把图片的ID赋值,
然后在点按钮的事件就可以获得ID来执行服务器端的逻辑!
2:你用个控件属性或<intpu type="hidden"/>在pageload事件中就把图片的ID赋值,
然后在点按钮的事件就可以获得ID来执行服务器端的逻辑!
------------------------------------------------------可以试一下
拖动的时候鼠标会变成不允许拖动的样式,简单的指定all.id.Style完全不能实现效果.请确定问题后再回答.
LZ去44吧~
#floater {
position: absolute;
left: 500;
top: 146;
width: 125;
visibility: visible;
z-index: 10;
}</style>
<div ID="floater" style="left: 50px; top: 50px">
<p align="center">
<img SRC="image\Dog.jpg" border="0">
</div><script LANGUAGE="JavaScript">
self.onError=null;
currentX = currentY = 0;
whichIt = null;
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;
<!-- STALKER CODE -->
function heartBeat() {
if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }
if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
if(diffY != lastScrollY) {
percent = .1 * (diffY - lastScrollY);
if(percent > 0) percent = Math.ceil(percent);
else percent = Math.floor(percent);
if(IE) document.all.floater.style.pixelTop += percent;
if(NS) document.floater.top += percent;
lastScrollY = lastScrollY + percent;
}
if(diffX != lastScrollX) {
percent = .1 * (diffX - lastScrollX);
if(percent > 0) percent = Math.ceil(percent);
else percent = Math.floor(percent);
if(IE) document.all.floater.style.pixelLeft += percent;
if(NS) document.floater.left += percent;
lastScrollX = lastScrollX + percent;
}
}
<!-- /STALKER CODE -->
<!-- DRAG DROP CODE -->
function checkFocus(x,y) {
stalkerx = document.floater.pageX;
stalkery = document.floater.pageY;
stalkerwidth = document.floater.clip.width;
stalkerheight = document.floater.clip.height;
if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;
else return false;
}
function grabIt(e) {
if(IE) {
whichIt = event.srcElement;
while (whichIt.id.indexOf("floater") == -1) {
whichIt = whichIt.parentElement;
if (whichIt == null) { return true; }
}
whichIt.style.pixelLeft = whichIt.offsetLeft;
whichIt.style.pixelTop = whichIt.offsetTop;
currentX = (event.clientX + document.body.scrollLeft);
currentY = (event.clientY + document.body.scrollTop);
} else {
window.captureEvents(Event.MOUSEMOVE);
if(checkFocus (e.pageX,e.pageY)) {
whichIt = document.floater;
StalkerTouchedX = e.pageX-document.floater.pageX;
StalkerTouchedY = e.pageY-document.floater.pageY;
}
}
return true;
}
function moveIt(e) {
if (whichIt == null) { return false; }
if(IE) {
newX = (event.clientX + document.body.scrollLeft);
newY = (event.clientY + document.body.scrollTop);
distanceX = (newX - currentX); distanceY = (newY - currentY);
currentX = newX; currentY = newY;
whichIt.style.pixelLeft += distanceX;
whichIt.style.pixelTop += distanceY;
if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;
if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;
if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
event.returnValue = false;
} else {
whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);
if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;
if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;
if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
return false;
}
return false;
}
function dropIt() {
whichIt = null;
if(NS) window.releaseEvents (Event.MOUSEMOVE);
return true;
}
<!-- DRAG DROP CODE -->
if(NS) {
window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
window.onmousedown = grabIt;
window.onmousemove = moveIt;
window.onmouseup = dropIt;
}
if(IE) {
document.onmousedown = grabIt;
document.onmousemove = moveIt;
document.onmouseup = dropIt;
}
if(NS || IE) action = window.setInterval("heartBeat()",1);
</script>
<HTML>
<HEAD>
<title>地图</title>
<meta name="GENERATOR" content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" content="Visual Basic .NET 7.1">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<script language="javascript">
var currentImage;
function GetObject()
{
if(event.button==1)
{
currentImage=event.srcElement;
}
}
function MoveImage()
{
currentImage.style.left=event.clientX;
currentImage.style.top=event.clientY;
}
</script>
<style type="text/css">
body{margin:0px;padding:0px}
#Container{float:left;}
#img{position:absolute;left:100px;top:100px;float:left;clear:left;}
</style>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<div id="Container" ondrag="MoveImage()">
<img id="img" onmousedown="GetObject()" src="http://cn.yimg.com/vikii/614750_0831_25x25.gif">
</div>
</form>
</body>
</HTML>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<title>地图</title>
<meta name="GENERATOR" content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" content="Visual Basic .NET 7.1">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<script language="javascript">
var x,y,z,down=false,obj
function init()
{
obj=event.srcElement //事件触发对象
obj.setCapture() //设置属于当前对象的鼠标捕捉
z=obj.style.zIndex //获取对象的z轴坐标值
//设置对象的z轴坐标值为100,确保当前层显示在最前面
obj.style.zIndex=100
x=event.offsetX //获取鼠标指针位置相对于触发事件的对象的X坐标
y=event.offsetY //获取鼠标指针位置相对于触发事件的对象的Y坐标
down=true //布尔值,判断鼠标是否已按下,true为按下,false为未按下
} function moveit()
{
//判断鼠标已被按下且onmouseover和onmousedown事件发生在同一对象上
if(down&&event.srcElement==obj)
{
with(obj.style)
{
/*设置对象的X坐标值为文档在X轴方向上的滚动距离加上当前鼠标指针相当于文档对象的X坐标值减鼠标按下时指针位置相对于触发事件的对象的X坐标*/
posLeft=document.body.scrollLeft+event.x-x
/*设置对象的Y坐标值为文档在Y轴方向上的滚动距离加上当前鼠标指针相当于文档对象的Y坐标值减鼠标按下时指针位置相对于触发事件的对象的Y坐标*/
posTop=document.body.scrollTop+event.y-y
}
}
} function stopdrag()
{
//onmouseup事件触发时说明鼠标已经松开,所以设置down变量值为false
down=false
obj.style.zIndex=z //还原对象的Z轴坐标值
obj.releaseCapture() //释放当前对象的鼠标捕捉
}
</script>
<style type="text/css">
img
{
cursor:all-scroll;
position:absolute;
left:0px;
top:0px;
width:100px;
height:150px;
}
</style>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<img id="" onmousedown="init()" onmousemove="moveit()" onmouseup="stopdrag()" src="http://www2.flash8.net/Uploadteach/2005/06/27/200562720315827.jpg"
style="left:100;top:200;">
</form>
</body>
</HTML>