常用drag控件

最新推荐文章于 2023-09-01 17:30:53 发布

xinyuan_java

最新推荐文章于 2023-09-01 17:30:53 发布

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分类专栏： html/css/html5 文章标签：常用drag控件

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本文介绍了一些常用的可拖动(drag)控件，包括div元素的拖放实现、可调整的Windows风格弹窗、易用的对话框组件如easyDialog和layer，以及一个简单的弹窗实例，提供了相关演示链接供参考。

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常用drag控件

可drag的div实例： http://dragsort.codeplex.com/

可调的windows弹窗： http://www.5icool.org/demo/2012/a00576/

easyDialog： http://demo.sc.chinaz.com/Files/DownLoad/webjs1/201406/jiaoben2413/

layer： http://layer.layui.com/

简单的弹窗实例1

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>弹出层并可拖拽</title> 
<style> 
html,body{height:100%;overflow:hidden;} 
body,div,h2{margin:0;padding:0;} 
body{font:12px/1.5 Tahoma;} 
center{padding-top:10px;} 
button{cursor:pointer;} 
#overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000;opacity:0.5;filter:alpha(opacity=50);display:none;} 
#win{position:absolute;top:50%;left:50%;width:400px;height:200px;background:#fff;border:4px solid #f90;margin:-102px 0 0 -202px;display:none;} 
h2{font-size:12px;height:18px;text-align:right;background:#FC0;border-bottom:3px solid #f90;padding:5px;cursor:move;} 
h2 span{color:#f90;cursor:pointer;background:#fff;border:1px solid #f90;padding:0 2px;} 
</style> 
<script> 
window.onload = function () 
{ 
var oWin = document.getElementById("win"); 
var oLay = document.getElementById("overlay"); 
var oBtn = document.getElementsByTagName("button")[0]; 
var oClose = document.getElementById("close"); 
var oH2 = oWin.getElementsByTagName("h2")[0]; 
var bDrag = false; 
var disX = disY = 0; 
oBtn.onclick = function () 
{ 
oLay.style.display = "block"; 
oWin.style.display = "block" 
}; 
oClose.onclick = function () 
{ 
oLay.style.display = "none"; 
oWin.style.display = "none" 

}; 
oClose.onmousedown = function (event) 
{ 
(event || window.event).cancelBubble = true; 
}; 
oH2.onmousedown = function (event) 
{ 
var event = event || window.event; 
bDrag = true; 
disX = event.clientX - oWin.offsetLeft; 
disY = event.clientY - oWin.offsetTop; 
this.setCapture && this.setCapture(); 
return false 
}; 
document.onmousemove = function (event) 
{ 
if (!bDrag) return; 
var event = event || window.event; 
var iL = event.clientX - disX; 
var iT = event.clientY - disY; 
var maxL = document.documentElement.clientWidth - oWin.offsetWidth; 
var maxT = document.documentElement.clientHeight - oWin.offsetHeight; 
iL = iL < 0 ? 0 : iL; 
iL = iL > maxL ? maxL : iL; 
iT = iT < 0 ? 0 : iT; 
iT = iT > maxT ? maxT : iT; 

oWin.style.marginTop = oWin.style.marginLeft = 0; 
oWin.style.left = iL + "px"; 
oWin.style.top = iT + "px"; 
return false 
}; 
document.onmouseup = window.onblur = oH2.onlosecapture = function () 
{ 
bDrag = false; 
oH2.releaseCapture && oH2.releaseCapture(); 
}; 
}; 
</script> 
</head> 
<body> 
<div id="overlay"></div> 
<div id="win"><h2><span id="close">×</span></h2></div> 
<center><button>弹出层</button></center> 
</body> 
</html>

简单弹窗2

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<title>JAVASCRIPT弹出层</title> 
<META http-equiv=Content-Type content="text/html; charset=utf-8"> 
<style> 
#popDiv { 
position: absolute; 
visibility: hidden; 
overflow: hidden; 
border: 2px solid #AEBBCA; 
background-color: #EEF1F8; 
cursor: move; 
padding: 1px; 
} 

#popTitle { 
background: #9DACBF; 
height: 20px; 
line-height: 20px; 
padding: 1px; 
} 

#popForm { 
padding: 2px; 
} 

.title_left { 
font-weight: bold; 
padding-left: 5px; 
float: left; 
} 

.title_right { 
float: right; 
} 

#popTitle .title_right a { 
color: #000; 
text-decoration: none; 
} 

#popTitle .title_right a:hover { 
text-decoration: underline; 
color: #FF0000; 
} 
</style> 
<script> 
function showPopup() {//弹出层 
var objDiv = document.getElementById("popDiv"); 
objDiv.style.top = "50px";//设置弹出层距离上边界的距离 
objDiv.style.left = "200px";//设置弹出层距离左边界的距离 
objDiv.style.width = "300px";//设置弹出层的宽度 
objDiv.style.height = "200px";//设置弹出层的高度 
//objDiv.style.display = "block"; 
objDiv.style.visibility = "visible"; 
} 
function hidePopup() {//关闭层 
var objDiv = document.getElementById("popDiv"); 
objDiv.style.visibility = "hidden"; 
} 
</script> 
</head> 
<body> 
<div id="popDiv"> 
<div id="popTitle"> <!-- 标题div --> 
<span class="title_left">修改操作</span> <span class="title_right"><a 
href="#" onclick="hidePopup();">关闭</a> </span> 
</div> 
<div id="popForm"> <!-- 表单div --> 
<form action="insert_map.jsp" method="post"> 
<p> 
      ID :<input type="text" name="id" value="0" /> </br> 
名    称 :<input type="text" name="name" value="aaa" /> </br> 
电压等级 :<input type="text" name="voltage_level" value="110kv" /> </br> 
经    度 :<input type="text" name="lon" value="121." /> </br> 
纬    度 :<input type="text" name="lat" value="28." /> </br> 
</p> 
   <input type="submit" value="提交" />   
   <input type="reset" value="重置" />   
   <input type="reset" value="取消" onclick="hidePopup()" /> 
</form> 
</div> 
</div> 
<p> 
<input name="" type="button" onclick="showPopup()" value="操作" /> 
</p> 

<script type="text/javascript"> 
/*-------------------------鼠标左键拖动---------------------*/ 
/*--------当不需要实现此功能时，可以将这一部分代码删除------------*/ 
var objDiv = document.getElementById("popDiv"); 
var isIE = document.all ? true : false;//判断浏览器类型 
document.onmousedown = function(evnt) {//当鼠标左键按下后执行此函数 
var evnt = evnt ? evnt : event; 
if (evnt.button == (document.all ? 1 : 0)) { 
mouseD = true;//mouseD为鼠标左键状态标志，为true时表示左键被按下 
} 
} 

objDiv.onmousedown = function(evnt) { 
objDrag = this;//objDrag为拖动的对象 
var evnt = evnt ? evnt : event; 
if (evnt.button == (document.all ? 1 : 0)) { 
mx = evnt.clientX; 
my = evnt.clientY; 
objDiv.style.left = objDiv.offsetLeft + "px"; 
objDiv.style.top = objDiv.offsetTop + "px"; 
if (isIE) { 
objDiv.setCapture(); 
//objDiv.filters.alpha.opacity = 50;//当鼠标按下后透明度改变 
} else { 
window.captureEvents(Event.MOUSEMOVE);//捕获鼠标拖动事件 
//objDiv.style.opacity = 0.5;//当鼠标按下后透明度改变 
} 
} 
} 
document.onmouseup = function() { 
mouseD = false;//左键松开 
objDrag = ""; 
if (isIE) { 
objDiv.releaseCapture(); 
//objDiv.filters.alpha.opacity = 100;//当鼠标左键松开后透明度改变 
} else { 
window.releaseEvents(objDiv.MOUSEMOVE);//释放鼠标拖动事件 
//objDiv.style.opacity = 1;//当鼠标左键松开后透明度改变 
} 
} 

document.onmousemove = function(evnt) { 
var evnt = evnt ? evnt : event; 
if (mouseD == true && objDrag) { 
var mrx = evnt.clientX - mx; 
var mry = evnt.clientY - my; 
objDiv.style.left = parseInt(objDiv.style.left) + mrx + "px"; 
objDiv.style.top = parseInt(objDiv.style.top) + mry + "px"; 
mx = evnt.clientX; 
my = evnt.clientY; 
} 
} 
</script> 

</body> 
</html>