脚本宝典收集整理的这篇文章主要介绍了js實例教程-基於jquery完美拖拽，可返回拖動軌跡，脚本宝典觉得挺不错的，现在分享给大家，也给大家做个参考。小寶典致力於為廣大程序猿（媛）提供高品質的代碼服務，請大家多多光顧小站，小寶典在此謝過。
代碼如下:
<!DOCTYPE htML PubLIC "-//W3C//DTD XHTML 1.0 TransITional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html XMlns="https://www.w3.org/1999/xhtml">
<head>
<;meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>完美拖拽</title>
<style type="text/css">
html, body {
overflow:hidden;
}
body, p, h2, p {
margin:0;
padding:0;
}
body {
color:#fff;
background:#000;
font:12px/2 Arial;
}
p {
padding:0 10px;
margin-top:10px;
}
span {
color:#ff0;
padding-left:5px;
}
#box {
position:absolute;
width:300px;
height:150px;
background:#333;
border:2px solid #ccc;
top:150px;
left:400px;
margin:0;
}
#box h2 {
height:25px;
cursor:move;
background:#222;
border-bottom:2px solid #ccc;
text-align:right;
padding:0 10px;
}
#box h2 a {
color:#fff;
font:12px/25px Arial;
text-decoration:none;
outline:none;
}
</style>
<script src="https://ajax.GOOGLEapis.COM/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
VAR bDrag = false;
var _x,_y;
var $box=$("#box")
var aPos = [{
x: $("#box").offset().left,
y: $("#box").offset().top
}];
$("span:eq(1)").text(aPos[0].y);
$("span:eq(2)").text(aPos[0].x);
$("#box h2:First").mousedown(function(event){
var e=event || window.event;
bDrag = true;
_x=e.pageX-$box.position().left;
_y=e.pageY-$box.position().top;
return false
})
$(document).mouSEMove(function(event){
if(!bDrag) return false;
var e=event || window.event;
var x=e.pageX-_x;
var y=e.pageY-_y;
var maxL = $(document).width() - $box.outerWidth();
var maxT = $(document).height() - $box.outerHeight();
x = x < 0 ? 0: x;
x = x > maxL ? maxL: x;
y = y < 0 ? 0: y;
y = y > maxT ? maxT: y;
$box.css({left:x,top:y});
aPos.push({
x: x,
y: y
});
status()
return false
}).mouseup(function(){
bDrag = false;
status()
return false
})
$("#box h2:first a").click(function(){
if (aPos.length == 1) return;
var timer = setInterval(function() {
var oPos = aPos.pop();
oPos ? ($box.css({left : oPos.x + "px", top : oPos.y + "px"})) : clearInterval(timer)
status();
},30);
}).mousedown(function(){return false})
function status() {
$("#box span:eq(0)").text(bDrag);
$("#box span:eq(1)").text($box.position().top);
$("#box span:eq(2)").text($box.position().left);
}
status()
})
</script>
</head>
<body>
<p id="box">
<h2><a href="javascript：;">點擊回放拖動軌跡</a></h2>
<p><strong>Drag:</strong><span></span></p>
<p><strong>top:</strong><span></span></p>
<p><strong>left:</strong><span></span></p>
</p>
</body>
</html>
代碼如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="https://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>完美拖拽</title>
<style type="text/css">
html, body {
overflow:hidden;
}
body, p, h2, p {
margin:0;
padding:0;
}
body {
color:#fff;
background:#000;
font:12px/2 Arial;
}
p {
padding:0 10px;
margin-top:10px;
}
span {
color:#ff0;
padding-left:5px;
}
#box {
position:absolute;
width:300px;
height:150px;
background:#333;
border:2px solid #ccc;
top:150px;
left:400px;
margin:0;
}
#box h2 {
height:25px;
cursor:move;
background:#222;
border-bottom:2px solid #ccc;
text-align:right;
padding:0 10px;
}
#box h2 a {
color:#fff;
font:12px/25px Arial;
text-decoration:none;
outline:none;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
var bDrag = false;
var _x,_y;
var $box=$("#box")
var aPos = [{
x: $("#box").offset().left,
y: $("#box").offset().top
}];
$("span:eq(1)").text(aPos[0].y);
$("span:eq(2)").text(aPos[0].x);
$("#box h2:first").mousedown(function(event){
var e=event || window.event;
bDrag = true;
_x=e.pageX-$box.position().left;
_y=e.pageY-$box.position().top;
return false
})
$(document).mousemove(function(event){
if(!bDrag) return false;
var e=event || window.event;
var x=e.pageX-_x;
var y=e.pageY-_y;
var maxL = $(document).width() - $box.outerWidth();
var maxT = $(document).height() - $box.outerHeight();
x = x < 0 ? 0: x;
x = x > maxL ? maxL: x;
y = y < 0 ? 0: y;
y = y > maxT ? maxT: y;
$box.css({left:x,top:y});
aPos.push({
x: x,
y: y
});
status()
return false
}).mouseup(function(){
bDrag = false;
status()
return false
})
$("#box h2:first a").click(function(){
if (aPos.length == 1) return;
var timer = setInterval(function() {
var oPos = aPos.pop();
oPos ? ($box.css({left : oPos.x + "px", top : oPos.y + "px"})) : clearInterval(timer)
status();
},30);
}).mousedown(function(){return false})
function status() {
$("#box span:eq(0)").text(bDrag);
$("#box span:eq(1)").text($box.position().top);
$("#box span:eq(2)").text($box.position().left);
}
status()
})
</script>
</head>
<body>
<p id="box">
<h2><a href="javascript：;">點擊回放拖動軌跡</a></h2>
<p><strong>Drag:</strong><span></span></p>
<p><strong>top:</strong><span></span></p>
<p><strong>left:</strong><span></span></p>
</p>
</body>
</html>
覺得可用，就經常來吧！Javascript技巧 腳本寶典 歡迎評論哦！ js技巧，巧奪天工，精雕玉琢。小寶典獻醜了！
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