我要用javascript和Html语言做一个就像QQ空间上的挂件一样可以用鼠标...
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发布时间：2022-05-09 18:15
共3个回答
懂视网
时间：2022-05-17 15:57
实现步骤:
1.首先是动态创建一个类似这样的html结构:
代码如下:
关闭
2.id为body的为你要放置内容的div容器,move是可移动的span,close是关闭这个窗口(准确说是层).
3.然后将事件绑定到这些对象上.具体看一下代码.
代码如下:
sx.activex.windowex={
init:function(step,t,html){
var a=document.createElement("div");
var head=document.createElement("div");
var move=document.createElement("span");
var close=document.createElement("span");
close.innerText="关闭";
var body=document.createElement("div");
head.appendChild(move);
head.appendChild(close);
a.appendChild(head);
a.appendChild(body);
a.style.height="200px";
a.style.width="200px";
a.style.overflow="hidden";
a.style.border="1px red solid";
head.style.backgroundColor="blue";
head.style.height="5%";
move.style.width="90%";
move.style.height="100%";
close.style.height="100%";
close.style.overflow="hidden";
close.style.whiteSpace="nowrap";
close.style.backgroundColor="yellow";
body.style.height="93%";
body.style.width="100%";
body.style.overflow="auto";
a.style.position="absolute";
close.style.position="absolute";
close.style.cursor="hand";
close.style.top=0+"px";
close.style.right=0+"px";
close.onclick=function(){
window.event.cancelBubble=true;
var q=a.offsetHeight;
var h=window.setInterval(function(){
if(Math.abs(q)>=0){
a.style.height=q+"px";
q=q-step;
if(Math.abs(q)
window.clearInterval(h);
//window.setTimeout(function(){
//alert(this==window);
close.style.cursor="normal";
a.parentNode.removeChild(a);
//a.style.lineHeight="0px";
//},10);
}
}else{
window.clearInterval(h);
//a.style.display="none";
}
},t);
}
move.onmousedown=function(){
this.move=1;
this.x=window.event.offsetX;
//alert(this.x);
this.y=window.event.offsetY;
this.setCapture();
}
move.onmousemove=function(){
this.style.cursor="move";
if(window.event.clientX<=0 || window.event.clientY<=0 || window.event.clientX>=document.body.clientWidth || window.event.clientY>=document.body.clientHeight){return false;}
if(this.move==1){
this.parentNode.parentNode.style.left=window.event.clientX-this.x+"px";
this.parentNode.parentNode.style.top=window.event.clientY-this.y+"px";
this.setCapture();
}
}
move.onmouseup=function(){
if(this.move==1){
this.move=0;
//this.style.cursor="normal";
this.releaseCapture();
}
}
a.onmousemove=function(){
if(this.move==1){
if(window.event.clientX-this.offsetLeft<2 || window.event.clientY-this.offsetTop<2) return false;
this.style.width=window.event.clientX-this.offsetLeft+"px";
this.style.height=window.event.clientY-this.offsetTop+"px";
close.style.right="0px";
this.setCapture();
}
else{
if(window.event.offsetX-this.offsetWidth>-6 && window.event.offsetY-this.offsetHeight>-6)
this.style.cursor="nw-resize";
else
this.style.cursor="default";
}
}
a.onmouseup=function(){
if(this.move==1){
this.move=0;
this.releaseCapture();
}
}
a.onmousedown=function(){
if(this.style.cursor=="nw-resize"){
this.move=1;
this.setCapture();
}
}
body.innerHTML=html;
return a;
}
代码也不复杂,主要是什么onmousedown,onmousemove,onmouseup的编写.我调整大小的原理当的你鼠标移动到层的右下角时,鼠标指针改变,这时按下鼠标并且移动时,会将当前层setcapture,移动鼠标层会随鼠标的位置而调整大小,松开鼠标releasecapture.
函数的参数step是你按下关闭时每次时间间隔移动的步数,t是时间间隔,html是你要插入到body层里的html代码.
一下给出一个调用例子:
代码如下:
"); //a.contentEditable=true;
a.style.bottom="0px";
a.style.right="0px";
document.body.appendChild(a);
// -->
代码有bug的地方还请大家多多包涵.
热心网友
时间：2022-05-17 13:05
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
#main div{position:absolute;width:220px;height:150px;border:1px solid #999;}
</style>
<script type="text/javascript">
var a;
document.onmouseup=function(){if(!a)return;document.all?a.releaseCapture():window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);a="";};
document.onmousemove=function (d){if(!a)return;if(!d)d=event;a.style.left=(d.clientX-b)+"px";a.style.top=(d.clientY-c)+"px";};
function $(o,e){a=o;document.all?a.setCapture():window.captureEvents(Event.MOUSEMOVE);b=e.clientX-parseInt(a.style.left);c=e.clientY-parseInt(a.style.top);}
</script>
</head>
<body>
<div id="main">
<div style="left:100px;top:100px;background:#fc9;" onmousedown="$(this,event)">1</div>
<div style="left:400px;top:100px;background:#9cf;" onmousedown="$(this,event)">2</div>
<div style="left:700px;top:100px;background:#f9c;" onmousedown="$(this,event)">3</div>
<div style="left:100px;top:300px;background:#9fc;" onmousedown="$(this,event)">4</div>
<div style="left:400px;top:300px;background:#c9f;" onmousedown="$(this,event)">5</div>
<div style="left:700px;top:300px;background:#cf9;" onmousedown="$(this,event)">6</div>
</div>
</body>
</html>
祝你成功！
热心网友
时间：2022-05-17 14:23
