经典锁屏 JS代码

zl198751 · 发表于 2013-2-7 23:53:24

<div class="cnt"><html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"  />
<style type="text/css">
*{margin:0;padding:0;}
</style>
</head>
<body>
    <p>测试</p><p>测试</p><p>测试</p><p> 测试</p><p>测试</p><p>测试</p><p>测试< /p>
    <p>测试</p><p>测试</p><p>测试</p><p> 测试</p><p>测试</p><p>测试</p><p>测试< /p><p>测试</p>
    <input type="button" value="点击这里" />
<script type="text/javascript" language="javascript">
function sAlert(str){
    var msgw,msgh,bordercolor;
    msgw=400;//提示窗口的宽度
    msgh=100;//提示窗口的高度
    titleheight=25 //提示窗口标题高度
    bordercolor="#336699";//提示窗口的边框颜色
    titlecolor="#99CCFF";//提示窗口的标题颜色
    var sWidth,sHeight;
    sWidth=document.body.offsetWidth;//浏览器工作区域内页面宽度
    sHeight=screen.height;//屏幕高度（垂直分辨率）

    //背景层（大小与窗口有效区域相同，即当弹出对话框时，背景显示为放射状透明灰色）
    var bgObj=document.createElement("div");//创建一个div对象（背景层）
    //定义div属性，即相当于
    //<div id="bgDiv" style="position:absolute; top:0;  background-color:#777;  filter:progid:DXImagesTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75);  opacity:0.6; left:0; width:918px; height:768px;  z-index:10000;"></div>
    bgObj.setAttribute(’id’,’bgDiv’);
    bgObj.style.position="absolute";
    bgObj.style.top="0";
    bgObj.style.background="#777";
    bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
    bgObj.style.opacity="0.6";
    bgObj.style.left="0";
    bgObj.style.width=sWidth + "px";
    bgObj.style.height=sHeight + "px";
    bgObj.style.zIndex = "10000";
    document.body.appendChild(bgObj);//在body内添加该div对象

    var msgObj=document.createElement("div")//创建一个div对象（提示框层）
    //定义div属性，即相当于
    //<div id="msgDiv" align="center" style="background-color:white;  border:1px solid #336699; position:absolute; left:50%; top:50%;  font:12px/1.6em Verdana,Geneva,Arial,Helvetica,sans-serif;  margin-left:-225px; margin-top:npx; width:400px; height:100px;  text-align:center; line-height:25px; z-index:100001;"></div>
    msgObj.setAttribute("id","msgDiv");
    msgObj.setAttribute("align","center");
    msgObj.style.background="white";
    msgObj.style.border="1px solid " + bordercolor;
    msgObj.style.position = "absolute";
    msgObj.style.left = "50%";
    msgObj.style.top = "50%";
    msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica,  sans-serif";
    msgObj.style.marginLeft = "-225px" ;
    msgObj.style.marginTop =  -75+document.documentElement.scrollTop+"px";
    msgObj.style.width = msgw + "px";
    msgObj.style.height =msgh + "px";
    msgObj.style.textAlign = "center";
    msgObj.style.lineHeight ="25px";
    msgObj.style.zIndex = "10001";

    var title=document.createElement("h4");//创建一个h4对象（提示框标题栏）
    //定义h4的属性，即相当于
    //<h4 id="msgTitle" align="right" style="margin:0; padding:3px;  background-color:#336699;  filter:progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20,  finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);  opacity:0.75; border:1px solid #336699; height:18px; font:12px  Verdana,Geneva,Arial,Helvetica,sans-serif; color:white; cursor:pointer;"  >关闭</h4>
    title.setAttribute("id","msgTitle");
    title.setAttribute("align","right");
    title.style.margin="0";
    title.style.padding="3px";
    title.style.background=bordercolor;
    title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20,  startY=20, finishX=100,  finishY=100,style=1,opacity=75,finishOpacity=100);";
    title.style.opacity="0.75";
    title.style.border="1px solid " + bordercolor;
    title.style.height="18px";
    title.style.font="12px Verdana, Geneva, Arial, Helvetica,  sans-serif";
    title.style.color="white";
    title.style.cursor="pointer";
    title.innerHTML="关闭";
    title.onclick=removeObj;
    var button=document.createElement("input");//创建一个input对象（提示框按钮）
    //定义input的属性，即相当于
    //<input type="button" align="center" style="width:100px;  align:center; margin-left:250px; margin-bottom:10px;" value="关闭">
    button.setAttribute("type","button");
    button.setAttribute("value","关闭");
    button.style.width="60px";
    button.style.align="center";
    button.style.marginLeft="250px";
    button.style.marginBottom="10px";
    button.style.background=bordercolor;
    button.style.border="1px solid "+ bordercolor;
    button.style.color="white";
    button.onclick=removeObj;

    function removeObj(){//点击标题栏触发的事件
      document.body.removeChild(bgObj);//删除背景层Div
      document.getElementById("msgDiv").removeChild(title);//删除提示框的标题栏
      document.body.removeChild(msgObj);//删除提示框层
    }
    document.body.appendChild(msgObj);//在body内添加提示框div对象msgObj
    document.getElementById("msgDiv").appendChild(title);//在提示框div中添加标题栏对象 title
    var txt=document.createElement("p");//创建一个p对象（提示框提示信息）
    //定义p的属性，即相当于
    //<p style="margin:1em 0;" id="msgTxt">测试效果</p>
    txt.style.margin="1em 0"
    txt.setAttribute("id","msgTxt");
    txt.innerHTML=str;//来源于函数调用时的参数值
    document.getElementById("msgDiv").appendChild(txt);//在提示框div中添加提示信息对象txt
    document.getElementById("msgDiv").appendChild(button);//在提示框div中添加按钮对象 button
}
</script>
</body>
</html>

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经典锁屏 JS代码

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