<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>测试的拖拽功能</title>
<style type="text/css">
body, div { margin: 0; paading: 0; font-size: 12px; }
ul, li { margin: 0; padding: 0; list-style: none; }
.clear { clear: both; width: 1px; height: 0px; line-height: 0px; font-size: 1px; }
.bor2 { padding: 20px 0 0 0; }
.box { position: static; float: left; width: 200px; height: 800px; margin: 0 auto; margin-top: 15px; }
.bor { position: static; width: 100px; height: 100px; margin: 0 0 5px 0 ; border: 1px solid #ccc; background: #ececec; }
.borp { position: absolute; width: 100px; height: 80px; margin: 10px; padding: 10px; border: 1px solid #ccc; background: #ececec; }
.bg { float:left; width: 100px; height: 100px; margin: 8px 5px 0 auto; padding: 10px; border: 1px solid #ccc; }
.text2 { width: 200px; }
.bgColor { border: 1px dashed #f00; }
</style>
<script type="text/javascript" src="jquery-1.6.1.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
var move = false; // 移动的初始化
var $bg = $(".bg");
var initDiv, tarDiv, tarDivHalf = 0, wHalf = 0; //拖拽对象 目标对象
var initPos = {x: 0, y: 0}, relPos = {x: 0, y: 0}, temPos = {x: 0, y: 0};
var dragPos = {x1: 0, x2: 0, y1: 0, y2: 0};// 拖拽对象的四个坐标
var tarDivPos = {x1: 0, y1: 0, x2: 0, y2: 0}; //目标对象的四个坐标
$(".bor").each(function() {
$(this).mousedown(function(event) {
borSub = $(this).index();
initDiv = $(".bor").eq(borSub); //拖拽对象
// 鼠标 与 目标元素的相对坐标
relPos.x = event.pageX - $(this).offset().left;
relPos.y = event.pageY - $(this).offset().top;
move = true;
});
$(document).mousemove(function(event) {
if (!move) { return false; }
// 下列代码是 if(move)的 程序
initDiv.removeClass("bor").addClass("borp");
// 目标元素随鼠标移动的坐标
dragPos.x1 = event.pageX - relPos.x;
dragPos.y1 = event.pageY - relPos.y;
dragPos.x2 = dragPos.x1 + initDiv. innerWidth();
dragPos.y2 = dragPos.y1 + initDiv. innerHeight();
initDiv.css({ left: dragPos.x1 +'px', top: dragPos.y1 + 'px' });
$bg.each(function() {
tarDiv = $(this);
// 目标对象的坐标
tarDivPos.x1 = tarDiv.offset().left;
tarDivPos.x2 = tarDivPos.x1 + tarDiv.width();
tarDivPos.y1 = tarDiv.offset().top;
tarDivPos.y2 = tarDivPos.y1 + tarDiv.height();
tarDivHalf = tarDiv.height()/2; //临时变量，以便于在if判断中使用
wHalf = tarDiv.width()/2;
if (dragPos.x2 >= tarDivPos.x1 + wHalf && dragPos.x2 <= tarDivPos.x2 + wHalf && dragPos.y2 >= tarDivPos.y1 + tarDivHalf && dragPos.y2 <= tarDivPos.y2 + tarDivHalf ) {
if(tarDiv.children().length >0 ) {return false;}// 解决重叠元素 移动到一个目标元素
tarDiv.removeClass("bg").addClass("bg bgColor");
} else {
tarDiv.removeClass("bgColor");
}
});
}).mouseup (function(event) {
initDiv.appendTo($(".bgColor"));// 利用 apppendTo 方法 使拖动元素对象添加到指定的区域。
initDiv.removeClass("borp").addClass("bor").removeAttr("style"); //恢复拖拽对象初始的样式
move = false;
});
});
});
</script>
</head>
<body>
<div class="box">
<div class="bor">bor1</div>
<div class="bor">bor2</div>
<div class="bor">bor3</div>
</div>
<div class="box2">
<div class="bg" id="bg1"></div>
<div class="bg" id="bg2"></div>
<div class="bg" id="bg3"></div>
<div class="bg" id="bg4"></div>
<div class="bg" id="bg5"></div>
<div class="bg" id="bg6"></div>
<div class="bg" id="bg7"></div>
<div class="bg" id="bg8"></div>
<div class="bg" id="bg9"></div>
<div class="bg" id="bg10"></div>
<div class="bg" id="bg11"></div>
<div class="bg" id="bg12"></div>
<div class="bg" id="bg13"></div>
<div class="bg" id="bg14"></div>
<div class="bg" id="bg15"></div>
<div class="bg" id="bg16"></div>
<div class="bg" id="bg17"></div>
<div class="bg" id="bg18"></div>
<div class="bg" id="bg19"></div>
<div class="bg" id="bg20"></div>
<div class="bg" id="bg21"></div>
<div class="bg" id="bg22"></div>
<div class="bg" id="bg23"></div>
<div class="bg" id="bg24"></div>
<div class="bg" id="bg25"></div>
<div class="bg" id="bg26"></div>
<div class="bg" id="bg27"></div>
<div class="bg" id="bg28"></div>
<div class="bg" id="bg29"></div>
<div class="bg" id="bg30"></div>
<div class="bg" id="bg31"></div>
<div class="bg" id="bg32"></div>
<div class="bg" id="bg33"></div>
<div class="bg" id="bg34"></div>
<div class="bg" id="bg35"></div>
<div class="bg" id="bg36"></div>
<div class="bg" id="bg37"></div>
<div class="bg" id="bg38"></div>
<div class="bg" id="bg39"></div>
</div>
<div class="clear"></div>
</body>
</html>