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页面上可以用鼠标拖动的图片

稿源：互联网 2022-04-20 08:04:55 点击： 1536 撤稿纠错

页面上可以用鼠标拖动的图片，可自定义。

以下讨论的是和拖动脚本相关的页面上可以用鼠标拖动的图片教程文章，内容是本站精心挑选整理的教程，希望对广大的网友给到帮助,下面是详细内容：

脚本代码(For Alixixi.com)如下:

有什么问题请到<a href='/bbs/index.asp?boardid=2'>论坛</a>中发表<br>

<head><style type="text/css">
#floater {
position: absolute;
left: 500;
top: 146;
width: 125;
visibility: visible;
z-index: 10;
}</style>
</head>

<body>

<div ID="floater" style="left: 590px; top: 158px">
<p align="center"><img SRC="http://img.alixixi.com/mylogo1.gif" alt="欢迎您来到网页教学网" WIDTH="125" HEIGHT="60"><br>
<font color="#FF8040">网页教学网</font>

</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;

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;
}
}


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;
}

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>
</boyd>

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关于页面上可以用鼠标拖动的图片的内容写到这里就结束啦，您可以收藏本页网址https://js.alixixi.com/a/20080714868.shtml方便下次再访问哦。

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页面上可以用鼠标拖动的图片

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