首页 > 代码库 > 弹出层详解，从简单到复杂
弹出层详解，从简单到复杂
一、最简单的弹出
<!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=gb2312" /><meta name="description" content="前端思考" /><meta name="keywords" content="前端思考" /><title>最简单的弹出层：前端思考</title><style>*{margin:0;padding:0px;}body{padding:30px;}#show{width:300px;height:200px;display:none;padding:1px;position:relative;border:1px solid #4c77aa;background:#f2f7fd;margin-left:70px;zoom:1;}#show h3{background:#4c77aa;color:#fff;font-size:14px;padding:5px;}#show span{position:absolute;right:3px;top:3px;display:block;cursor:pointer;color:#fff;font-weight:bold;}#show p{padding:5px;}#text{font-size:12px;text-indent:2em;line-height:20px;}</style><script type="text/javascript"> function show(){ var oShow = document.getElementById(‘show‘); oShow.style.display = ‘block‘; var oClose = document.createElement("span"); oClose.innerHTML = "×"; oShow.appendChild(oClose); oClose.onclick = function(){ oShow.style.display = ‘none‘; oShow.removeChild(this); } }</script></head><body><a onclick="show(); return false" href="#">请猛击我</a><div id="show"> <h3>弹出层标题栏</h3> <p id="text"> 这里是弹出层内容，内容可以是文字、图片等，可以是iframe传进来，也可以用jQuery的load()传进来。如有什么不合理的或可以改进的，大家可以给我留言，共同学习。 </p></div></body></html>
二、弹出层—到浏览器中央
<!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=gb2312" /><meta name="description" content="前端思考" /><meta name="keywords" content="前端思考" /><title>弹出层—到浏览器中央：前端思考</title><style>*{margin:0;padding:0px;}body{padding:30px;}#show{width:300px;height:200px;display:none;padding:1px;position:absolute;border:1px solid #4c77aa;background:#f2f7fd;zoom:1;}#show h3{background:#4c77aa;color:#fff;font-size:14px;padding:5px;}#show span{position:absolute;right:3px;top:3px;display:block;cursor:pointer;color:#fff;font-weight:bold;}#show p{padding:5px;}#text{font-size:12px;text-indent:2em;line-height:20px;}</style><script type="text/javascript">function show(){ var iWidth = document.documentElement.clientWidth; var iHeight = document.documentElement.clientHeight; var oShow = document.getElementById(‘show‘); oShow.style.display = ‘block‘; oShow.style.left = (iWidth-302)/2+"px"; oShow.style.top = (iHeight-202)/2+"px"; var oClose = document.createElement("span"); oClose.innerHTML = "×"; oShow.appendChild(oClose); oClose.onclick = function(){ oShow.style.display = ‘none‘; oShow.removeChild(this); } }</script></head><body><a onclick="show(); return false" href="#">请猛击我（我会弹到中间）</a><div id="show"> <h3>弹出层标题栏</h3> <p id="text"> 这里是弹出层内容，内容可以是文字、图片等，可以是iframe传进来，也可以用jQuery的load()传进来。如有什么不合理的或可以改进的，大家可以给我留言，共同学习。 </p></div></body></html>
三、弹出层—到浏览器中央—背景变暗
<!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=gb2312" /><meta name="description" content="前端思考" /><meta name="keywords" content="前端思考" /><title>弹出层—到浏览器中央—背景变暗：前端思考</title><style>*{margin:0;padding:0px;}body{padding:30px;}#show{width:300px;height:200px;display:none;padding:1px;position:absolute;border:1px solid #4c77aa;background:#f2f7fd;z-index:11;zoom:1;}#show h3{background:#4c77aa;color:#fff;font-size:14px;padding:5px;}#show span{position:absolute;right:3px;top:3px;display:block;cursor:pointer;color:#fff;font-weight:bold;}#show p{padding:5px;}#text{font-size:12px;text-indent:2em;line-height:20px;}#bgbox{position:absolute;left:0;top:0;background:#000;filter:alpha(opacity=30);opacity:0.3;z-index:10}</style><script type="text/javascript">function show(){ var iWidth = document.documentElement.clientWidth; var iHeight = document.documentElement.clientHeight; var bgObj = document.createElement("div"); bgObj.setAttribute("id","bgbox"); bgObj.style.width = iWidth+"px"; bgObj.style.height =Math.max(document.body.clientHeight, iHeight)+"px"; document.body.appendChild(bgObj); var oShow = document.getElementById(‘show‘); oShow.style.display = ‘block‘; oShow.style.left = (iWidth-302)/2+"px"; oShow.style.top = (iHeight-202)/2+"px"; function oClose(){ oShow.style.display = ‘none‘; document.body.removeChild(bgObj); } var oClosebtn = document.createElement("span"); oClosebtn.innerHTML = "×"; oShow.appendChild(oClosebtn); oClosebtn.onclick = oClose; bgObj.onclick = oClose;}</script></head><body><a onclick="show(); return false" href="#">请猛击我（我会弹到中间，同时背景变暗）</a><div id="show"> <h3>弹出层标题栏</h3> <p id="text"> 这里是弹出层内容，内容可以是文字、图片等，可以是iframe传进来，也可以用jQuery的load()传进来。如有什么不合理的或可以改进的，大家可以给我留言，共同学习。 </p></div></body></html>
四、弹出层—到浏览器中央—背景变暗—支持键盘[Esc]退出
<!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=gb2312" /><meta name="description" content="前端思考" /><meta name="keywords" content="前端思考" /><title>弹出层—到浏览器中央—背景变暗—支持键盘[Esc]退出 ：前端思考</title><style>*{margin:0;padding:0px;}body{padding:30px;}#show{width:300px;height:200px;display:none;padding:1px;position:absolute;border:1px solid #4c77aa;background:#f2f7fd;z-index:11;zoom:1;}#show h3{background:#4c77aa;color:#fff;font-size:14px;padding:5px;}#show span{position:absolute;right:3px;top:3px;display:block;cursor:pointer;color:#fff;font-weight:bold;}#show p{padding:5px;}#text{font-size:12px;text-indent:2em;line-height:20px;}#bgbox{position:absolute;left:0;top:0;background:#000;filter:alpha(opacity=30);opacity:0.3;z-index:10}</style><script type="text/javascript">function show(){ var iWidth = document.documentElement.clientWidth; var iHeight = document.documentElement.clientHeight; var bgObj = document.createElement("div"); bgObj.setAttribute("id","bgbox"); bgObj.style.width = iWidth+"px"; bgObj.style.height =Math.max(document.body.clientHeight, iHeight)+"px"; document.body.appendChild(bgObj); var oShow = document.getElementById(‘show‘); oShow.style.display = ‘block‘; oShow.style.left = (iWidth-302)/2+"px"; oShow.style.top = (iHeight-202)/2+"px"; var oClosebtn = document.createElement("span"); oClosebtn.innerHTML = "×"; oShow.appendChild(oClosebtn); function oClose(){ oShow.style.display = ‘none‘; oShow.removeChild(oClosebtn); document.body.removeChild(bgObj); } oClosebtn.onclick = oClose; bgObj.onclick = oClose; function getEvent() { return window.event || arguments.callee.caller.arguments[0]; } document.onkeyup = function(){ var event = getEvent(); if (event.keyCode == 27){ oClose(); } }}</script></head><body><a onclick="show(); return false" href="#">请猛击我（弹出层—到浏览器中央—背景变暗—支持键盘[Esc]退出）</a><div id="show"> <h3>弹出层标题栏</h3> <p id="text"> 这里是弹出层内容，内容可以是文字、图片等，可以是iframe传进来，也可以用jQuery的load()传进来。如有什么不合理的或可以改进的，大家可以给我留言，共同学习。 </p></div></body></html>
四、弹出层—到浏览器中央—背景变暗—支持键盘[Esc]退出—支持鼠标拖动
<!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=gb2312" /><meta name="description" content="前端思考" /><meta name="keywords" content="前端思考" /><title>五、弹出层—到浏览器中央—背景变暗—支持键盘[Esc]退出—支持鼠标拖动 ：前端思考</title><style>*{margin:0;padding:0px;}body{padding:30px;}#show{width:300px;height:200px;display:none;padding:1px;position:absolute;border:1px solid #4c77aa;background:#f2f7fd;z-index:11;zoom:1;}#show h3{background:#4c77aa;color:#fff;font-size:14px;padding:5px;cursor:move}#show span{position:absolute;right:3px;top:3px;display:block;cursor:pointer;color:#fff;font-weight:bold;}#show p{padding:5px;}#text{font-size:12px;text-indent:2em;line-height:20px;}#bgbox{position:absolute;left:0;top:0;background:#000;filter:alpha(opacity=30);opacity:0.3;z-index:10}</style><script type="text/javascript">function show(){ var iWidth = document.documentElement.clientWidth; var iHeight = document.documentElement.clientHeight; var bgObj = document.createElement("div"); bgObj.setAttribute("id","bgbox"); bgObj.style.width = iWidth+"px"; bgObj.style.height =Math.max(document.body.clientHeight, iHeight)+"px"; document.body.appendChild(bgObj); var oShow = document.getElementById(‘show‘); oShow.style.display = ‘block‘; oShow.style.left = (iWidth-302)/2+"px"; oShow.style.top = (iHeight-202)/2+"px"; var oClosebtn = document.createElement("span"); oClosebtn.innerHTML = "×"; oShow.appendChild(oClosebtn); function oClose(){ oShow.style.display = ‘none‘; document.body.removeChild(bgObj); oShow.removeChild(oClosebtn); } oClosebtn.onclick = oClose; bgObj.onclick = oClose; function getEvent() { return window.event || arguments.callee.caller.arguments[0]; } document.onkeyup = function(){ var event = getEvent(); if (event.keyCode == 27){ oClose(); } } var moveX = 0; var moveY = 0; var moveTop = 0; var moveLeft = 0; var moveable = false; var docMouseMoveEvent = document.onmousemove; var docMouseUpEvent = document.onmouseup; titleBar = document.getElementById(‘titlebar‘); titleBar.onmousedown = function() { var evt = getEvent(); moveable = true; moveX = evt.clientX; moveY = evt.clientY; moveTop = parseInt(oShow.style.top); moveLeft = parseInt(oShow.style.left); document.onmousemove = function() { if (moveable) { var evt = getEvent(); var x = moveLeft + evt.clientX - moveX; var y = moveTop + evt.clientY - moveY; if ( x > 0 &&( x + 302 < iWidth) && y > 0 && (y + 202 < iHeight) ) { oShow.style.left = x + "px"; oShow.style.top = y + "px"; } } }; document.onmouseup = function () { if (moveable) { document.onmousemove = docMouseMoveEvent; document.onmouseup = docMouseUpEvent; moveable = false; moveX = 0; moveY = 0; moveTop = 0; moveLeft = 0; } }; }}</script></head><body><a onclick="show(); return false" href="#">请猛击我（弹出层—到浏览器中央—背景变暗—支持键盘[Esc]退出—支持鼠标拖动）</a><div id="show"> <h3 id="titlebar">弹出层标题栏</h3> <p id="text"> 这里是弹出层内容，内容可以是文字、图片等，可以是iframe传进来，也可以用jQuery的load()传进来。如有什么不合理的或可以改进的，大家可以给我留言，共同学习。 </p></div></body></html>
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