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弹出窗口功能的实现

2009-02-19 12:06 513 查看
方法一:


<!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>


<title></title>




<style>





html,body{

}{font-size:12px;margin:0px;height:100%;}




.mesWindow{

}{border:#666 1px solid;background:#fff;}




.mesWindowTop{

}{border-bottom:#eee 1px solid;margin-left:4px;padding:3px;font-weight:bold;text-align:left;font-size:12px;}




.mesWindowContent{

}{margin:4px;font-size:12px;}




.mesWindow .close{

}{height:15px;width:28px;border:none;cursor:pointer;text-decoration:underline;background:#fff}


</style>




<script>



var isIe=(document.all)?true:false;


//设置select的可见状态


function setSelectState(state)






{


var objl=document.getElementsByTagName('select');


for(var i=0;i<objl.length;i++)






{


objl[i].style.visibility=state;


}


}


function mousePosition(ev)






{


if(ev.pageX || ev.pageY)






{




return

{x:ev.pageX, y:ev.pageY};


}




return

{


x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,y:ev.clientY + document.body.scrollTop - document.body.clientTop


};


}


//弹出方法


function showMessageBox(wTitle,content,pos,wWidth)






{


closeWindow();


var bWidth=parseInt(document.documentElement.scrollWidth);


var bHeight=parseInt(document.documentElement.scrollHeight);




if(isIe)

{


setSelectState('hidden');}


var back=document.createElement("div");


back.id="back";


var styleStr="top:0px;left:0px;position:absolute;background:#666;width:"+bWidth+"px;height:"+bHeight+"px;";


styleStr+=(isIe)?"filter:alpha(opacity=40);":"opacity:0.40;";


back.style.cssText=styleStr;


document.body.appendChild(back);


var mesW=document.createElement("div");


mesW.id="mesWindow";


mesW.className="mesWindow";


mesW.innerHTML="<div class='mesWindowTop'><table width='100%' height='100%'><tr><td>"+wTitle+"</td><td style='width:1px;
'><input type='button' onclick='closeWindow();' title='关闭窗口
' class='close' value='关闭' /></td></tr></table><
/div><div class='mesWindowContent' id='mesWindowContent'>"+content+"</div><div class='mesWindowBottom'></div>";




styleStr="left:"+(((pos.x-wWidth)>0)?(pos.x-wWidth):pos.x)+"px;top:"+(pos.y)+"px;position:absolute;width:"+wWidth+"px;";


mesW.style.cssText=styleStr;


document.body.appendChild(mesW);


}


function showBackground(obj,endInt)






{


obj.filters.alpha.opacity+=1;


if(obj.filters.alpha.opacity<endInt)






{




setTimeout(function()

{showBackground(obj,endInt)},8);


}


}


//关闭窗口


function closeWindow()






{


if(document.getElementById('back')!=null)






{


document.getElementById('back').parentNode.removeChild(document.getElementById('back'));


}


if(document.getElementById('mesWindow')!=null)






{


document.getElementById('mesWindow').parentNode.removeChild(document.getElementById('mesWindow'));


}






if(isIe)

{


setSelectState('');}


}


//测试弹出


function testMessageBox(ev)






{


var objPos = mousePosition(ev);


messContent="<div style='padding:20px 0 20px 0;text-align:center'>消息正文</div>";


showMessageBox('窗口标题',messContent,objPos,350);


}


</script>


</head>


<body>


<div style="padding:20px">


<div style="text-align:left";><a href="#none" onclick="testMessageBox(event);">弹出窗口</a></div>


<div style="text-align:left;padding-left:20px;padding-top:10px";><select><option>下拉</option></select>弹出窗口时会将其隐藏,关闭时会让其显示,目的是在IE中防止弹出的DIV挡不住下拉框</div>


<div style="text-align:center";><a href="#none" onclick="testMessageBox(event);">弹出窗口</a></div>


<div style="text-align:right";><a href="#none" onclick="testMessageBox(event);">弹出窗口</a></div>


</div>


</body>


</html>



方法二:


<!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>


<title></title>




<style>





html,body{

}{font-size:12px;margin:0px;height:100%;}




.mesWindow{

}{border:#666 1px solid;background:#fff;}




.mesWindowTop{

}{border-bottom:#eee 1px solid;margin-left:4px;padding:3px;font-weight:bold;text-align:left;font-size:12px;}




.mesWindowContent{

}{margin:4px;font-size:12px;}




.mesWindow .close{

}{height:15px;width:28px;border:none;cursor:pointer;text-decoration:underline;background:#fff}


</style>




<script>



var isIe=(document.all)?true:false;


//设置select的可见状态


function setSelectState(state)






{


var objl=document.getElementsByTagName('select');


for(var i=0;i<objl.length;i++)






{


objl[i].style.visibility=state;


}


}


function mousePosition(ev)






{


if(ev.pageX || ev.pageY)






{




return

{x:ev.pageX, y:ev.pageY};


}




return

{


x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,y:ev.clientY + document.body.scrollTop - document.body.clientTop


};


}


//弹出方法


function showMessageBox(wTitle,content,pos,wWidth)






{


closeWindow();


var bWidth=parseInt(document.documentElement.scrollWidth);


var bHeight=parseInt(document.documentElement.scrollHeight);




if(isIe)

{


setSelectState('hidden');}


var back=document.createElement("div");


back.id="back";


var styleStr="top:0px;left:0px;position:absolute;background:#666;width:"+bWidth+"px;height:"+bHeight+"px;";


styleStr+=(isIe)?"filter:alpha(opacity=0);":"opacity:0;";


back.style.cssText=styleStr;


document.body.appendChild(back);


showBackground(back,50);


var mesW=document.createElement("div");


mesW.id="mesWindow";


mesW.className="mesWindow";


mesW.innerHTML="<div class='mesWindowTop'><table width='100%' height='100%'><tr><td>"+wTitle+"</td><td style='width:1px;
'><input type='button' onclick='closeWindow();' title='关闭窗口
' class='close' value='关闭' /></td></tr></table><
/div><div class='mesWindowContent' id='mesWindowContent'>"+content+"</div><div class='mesWindowBottom'></div>";




styleStr="left:"+(((pos.x-wWidth)>0)?(pos.x-wWidth):pos.x)+"px;top:"+(pos.y)+"px;position:absolute;width:"+wWidth+"px;";


mesW.style.cssText=styleStr;


document.body.appendChild(mesW);


}


//让背景渐渐变暗


function showBackground(obj,endInt)






{


if(isIe)






{


obj.filters.alpha.opacity+=1;


if(obj.filters.alpha.opacity<endInt)






{




setTimeout(function()

{showBackground(obj,endInt)},5);


}




}else

{


var al=parseFloat(obj.style.opacity);al+=0.01;


obj.style.opacity=al;


if(al<(endInt/100))






{setTimeout(function()

{showBackground(obj,endInt)},5);}


}


}


//关闭窗口


function closeWindow()






{


if(document.getElementById('back')!=null)






{


document.getElementById('back').parentNode.removeChild(document.getElementById('back'));


}


if(document.getElementById('mesWindow')!=null)






{


document.getElementById('mesWindow').parentNode.removeChild(document.getElementById('mesWindow'));


}






if(isIe)

{


setSelectState('');}


}


//测试弹出


function testMessageBox(ev)






{


var objPos = mousePosition(ev);


messContent="<div style='padding:20px 0 20px 0;text-align:center'>消息正文</div>";


showMessageBox('窗口标题',messContent,objPos,350);


}


</script>


</head>


<body>


<div style="padding:20px">


<div style="text-align:left";><a href="#none" onclick="testMessageBox(event);">弹出窗口</a></div>


<div style="text-align:left;padding-left:20px;padding-top:10px";><select ID="Select1" NAME="Select1"><option>下拉</option></select>弹出窗口时会将其隐藏,关闭时会让其显示,目的是在IE中防止弹出的DIV挡不住下拉框</div>


<div style="text-align:center";><a href="#none" onclick="testMessageBox(event);">弹出窗口</a></div>


<div style="text-align:right";><a href="#none" onclick="testMessageBox(event);">弹出窗口</a></div>


</div>


</body>


</html>

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