js精美的弹出层效果代码

时间：2022-06-25 20:36:59 编辑：袖梨来源：一聚教程网

提示：您可以先修改部分代码再运行

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>cwx - javascript</title>
<style type="text/<a href="http://www.111com.net/cssdiv/css.html" target="_blank">css</a>">
	*{ margin:0px; padding:0px;}
	body{ font-size:12px; font:Arial, Helvetica, sans-serif; margin:25PX 0PX; background:#eee;}
	.botton{ color:#F00; cursor:pointer;}
	.mybody{ margin:0 auto;  border:1px solid #ccc; padding:20px 25px; background:#fff}
	#cwxBg{ position:absolute; display:none; background:#000; width:100%; height:100%; left:0px; top:0px; z-index:1000;}
	#cwxWd{ position:absolute; display:none; border:10px solid #CCC; padding:10px;background:#FFF; z-index:1500;}
	#cwxCn{ background:#FFF; display:block;}
	.imgd{  }
</style>
</head>

<body>

	<div class="mybody">
		<div class="botton" id="testClick">点击测试</div>
        asdasdasdasdasdasdasd<br/>asdasdasdasdasd
        <div class="botton" id="testClick1">点击测试</div>
    </div>
    <script type="text/javascript">
    	C$('testClick').onclick = function(){
			var neirong = '<div><a href="https://img.111com.net/get_pic/2013/05/06/20130506123246475.png" class="js-smartPhoto-pc" target="_blank"><img  src="https://img.111com.net/get_pic/2013/05/06/20130506123246475.png" class="imgd" /></a></div>';
			cwxbox.box.show(neirong);
		}
		C$('testClick1').onclick = function(){
			var neirong = '123456789132456789';
			cwxbox.box.show(neirong,3);
		}
		
		function C$(id){return document.getElementById(id);}

//定义窗体对象
		var cwxbox = {};
		
		cwxbox.box = function(){
			var bg,wd,cn,ow,oh,o = true,time = null;
			return {
				show:function(c,t,w,h){
					if(o){
						bg = document.createElement('div'); bg.id = 'cwxBg';	
						wd = document.createElement('div'); wd.id = 'cwxWd';
						cn = document.createElement('div'); cn.id = 'cwxCn';
						document.body.appendChild(bg);
						document.body.appendChild(wd);
						wd.appendChild(cn);
						bg.onclick = cwxbox.box.hide;
						window.onresize = this.init;
						window.onscroll = this.scrolls;
						o = false;
					}
					if(w && h){
						var inhtml = '<iframe src="'+ c +'" + w +'" + h +'" frameborder="0" width="650" height="400"></iframe>';
					}else{
						var inhtml	 = c;
					}
					cn.innerHTML = inhtml;
					oh = this.getCss(wd,'offsetHeight');
					ow = this.getCss(wd,'offsetWidth');
					this.init();
					this.alpha(bg,50,1);
					this.drag(wd);
					if(t){
						time = setTimeout(function(){cwxbox.box.hide()},t*1000);
					}
				},
				hide:function(){
					cwxbox.box.alpha(wd,0,-1);
					clearTimeout(time);
				},
				init:function(){
					bg.style.px';
					bg.style.;
					bg.style.px';
					var h = (cwxbox.page.height() - oh) /2;
					wd.style.top=(h+cwxbox.page.top())+'px';
					wd.style.left=(cwxbox.page.width() - ow)/2+'px';
				},
				scrolls:function(){
					var h = (cwxbox.page.height() - oh) /2;
					wd.style.top=(h+cwxbox.page.top())+'px';
				},
				alpha:function(e,a,d){
					clearInterval(e.ai);
					if(d==1){
						e.style.opacity=0; 
						e.style.filter='alpha(opacity=0)';
						e.style.display = 'block';
					}
					e.ai = setInterval(function(){cwxbox.box.ta(e,a,d)},40);
				},
				ta:function(e,a,d){
					var anum = Math.round(e.style.opacity*100);
					if(anum == a){
						clearInterval(e.ai);
						if(d == -1){
							e.style.display = 'none';
							if(e == wd){
								this.alpha(bg,0,-1);
							}
						}else{
							if(e == bg){
								this.alpha(wd,100,1);
							}
						}
					}else{
						var n = Math.ceil((anum+((a-anum)*.5)));
						n = n == 1 ? 0 : n;
						e.style.opacity=n/100;
						e.style.filter='alpha(opacity='+n+')';
					}
				},
				getCss:function(e,n){
					var e_style = e.currentStyle ? e.currentStyle : window.getComputedStyle(e,null);
					if(e_style.display === 'none'){
						var clonDom = e.cloneNode(true);
						clonDom.style.cssText = 'position:absolute; display:block; top:-3000px;';
						document.body.appendChild(clonDom);
						var wh = clonDom[n];
						clonDom.parentNode.removeChild(clonDom);
						return wh;
					}
					return e[n];
				},
				drag:function(e){
					var startX,startY,mouse;
					mouse = {
						mouseup:function(){
							if(e.releaseCapture)
							{
								e.onmousemove=null;
								e.onmouseup=null;
								e.releaseCapture();
							}else{
								document.removeEventListener("mousemove",mouse.mousemove,true);
								document.removeEventListener("mouseup",mouse.mouseup,true);
							}
						},
						mousemove:function(ev){
							var oEvent = ev||event;
							e.style.left = oEvent.clientX - startX + "px";  
							e.style.top = oEvent.clientY - startY + "px"; 
						}
					}
					e.onmousedown = function(ev){
						var oEvent = ev||event;
						startX = oEvent.clientX - this.offsetLeft;  
						startY = oEvent.clientY - this.offsetTop;
						if(e.setCapture)
						{
							e.onmousemove= mouse.mousemove;
							e.onmouseup= mouse.mouseup;
							e.setCapture();
						}else{
							document.addEventListener("mousemove",mouse.mousemove,true);
							document.addEventListener("mouseup",mouse.mouseup,true);	
						}
					} 
					
				}
			}
		}()
		
		cwxbox.page = function(){
			return{
				top:function(){return document.documentElement.scrollTop||document.body.scrollTop},
				width:function(){return self.innerWidth||document.documentElement.clientWidth||document.body.clientWidth},
				height:function(){return self.innerHeight||document.documentElement.clientHeight||document.body.clientHeight},
				total:function(d){
					var b=document.body, e=document.documentElement;
					return d?Math.max(Math.max(b.scrollHeight,e.scrollHeight),Math.max(b.clientHeight,e.clientHeight)):
					Math.max(Math.max(b.scrollWidth,e.scrollWidth),Math.max(b.clientWidth,e.clientWidth))
				}
			}	
		}()
    </script>
</body>
</html></td>
	  </tr>
	</table>

提示：您可以先修改部分代码再运行

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