弹出可移动层

最新推荐文章于 2025-12-01 06:10:14 发布

原创最新推荐文章于 2025-12-01 06:10:14 发布 · 1.1k 阅读

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本文介绍了一个使用纯JS实现的弹出窗口代码，该代码能够创建一个可拖动且带关闭按钮的弹窗，并且适用于设置个性签名等场景。通过设置弹窗的位置、大小和样式，实现了良好的用户体验。

//------个性签名设置开始---------- ////////////////////////弹出层的Div JS function alertWin(title,w, h){ var s=document.getElementsByTagName("select"); //--------------把所有select标签捉住 //for(var j=0;j<s.length;j++){s[j].style.display="none";}/// --------------设为不显示，再进行下面操作 var titleheight = "20px"; // 提示窗口标题高度 var bordercolor = "#666699"; // 提示窗口的边框颜色 var titlecolor = "#FFFFFF"; // 提示窗口的标题颜色 var titlebgcolor = "#1d5798"; // 提示窗口的标题背景色 var bgcolor = "#FFFFFF"; // 提示内容的背景色 var iWidth = document.documentElement.clientWidth; var iHeight = document.documentElement.clientHeight; var bgObj = document.createElement("div"); bgObj.id="bgObjID";//整个页面100%得Div北京 bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:"+iWidth+"px;height:"+Math.max(document.body.clientHeight, iHeight)+"px;filter:Alpha(Opacity=30);opacity:0.3;background-color:while;z-index:101;";//背景颜色通用颜色灰黑色（#000000） document.body.appendChild(bgObj); var msgObj=document.createElement("div"); msgObj.id="msgObjID"//弹出层的层 msgObj.style.cssText = "position:absolute;font:11px '宋体';top:"+(iHeight-h)/2+"px;left:"+(iWidth-w)/2+"px;width:"+w+"px;height:"+h+"px;text-align:center;border:1px solid "+bordercolor+";background-color:"+bgcolor+";padding:1px;line-height:22px;z-index:102;"; document.body.appendChild(msgObj); var table = document.createElement("table"); msgObj.appendChild(table); table.style.cssText = "margin:0px;border:0px;padding:0px;"; table.cellSpacing = 0; var tr = table.insertRow(-1); var titleBar = tr.insertCell(-1); titleBar.style.cssText = "width:100%;height:"+titleheight+"px;text-align:left;padding:3px;margin:0px;font:bold 13px '宋体';color:"+titlecolor+";border:1px solid " + bordercolor + ";cursor:move;background-color:" + titlebgcolor; titleBar.style.paddingLeft = "10px"; titleBar.innerHTML = title; var moveX = 0; var moveY = 0; var moveTop = 0; var moveLeft = 0; var moveable = false; var docMouseMoveEvent = document.onmousemove;//鼠标移动一个像素就会执行一次onmousemove var docMouseUpEvent = document.onmouseup;//点击后松开执行一次onmouseup titleBar.onmousedown = function() { var evt = getEvent(); moveable = true;//标记已经开始了单击表头 moveX = evt.clientX; moveY = evt.clientY; moveTop = parseInt(msgObj.style.top); moveLeft = parseInt(msgObj.style.left); document.onmousemove = function() { if (moveable) {//正在dom上移动 var evt = getEvent(); var x = moveLeft + evt.clientX - moveX; var y = moveTop + evt.clientY - moveY; if ( x > 0 &&( x + w < iWidth) && y > 0 && (y + h < iHeight) ) { msgObj.style.left = x + "px"; msgObj.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; } }; } var closeBtn = tr.insertCell(-1); closeBtn.style.cssText = "cursor:pointer; padding:2px;background-color:" + titlebgcolor; closeBtn.innerHTML = "<span style="font-size:15pt; color:"+titlecolor+";" mce_style="font-size:15pt; color:"+titlecolor+";">×</span>";//-----------------窗口关闭按钮 closeBtn.onclick = function(){ //for(var j=0;j<s.length;j++){s[j].style.display="";} //--------------再给select显出来 document.body.removeChild(bgObj); document.body.removeChild(msgObj); }

var msgBox = table.insertRow(-1).insertCell(-1); msgBox.style.cssText = "font:10pt '宋体';"; msgBox.colSpan = 2;msgBox.align="center"; var msg="<div style="/" mce_style="/"" margin-left:0px ;margin-top:10px; width:100%/"><table style="/" mce_style="/""width:503px/"> <tr> <td style="/" mce_style="/""width:53px; height: 32px; font-size:12px/">名称：</td> <td style="/" mce_style="/""text-align:left/"><input id=/"SignTitle/" onblur=/"return CheckByRegular('SignTitle')/" style="/" mce_style="/"" width:240px;font-size: 12px;/" type=/"text/" /></td> </tr> <tr> <td style="/" mce_style="/"" vertical-align:top; font-size:12px/"> 内容：</td> <td><textarea id=/"textSignContent/" style="/" mce_style="/"" width:450px; height:145px;font-size: 12px;/" cols=/"20/" onblur=/"CheckLongNote('textSignContent',446,'最多可支持446个字符！')/" name=/"textSignContent/" rows=/"2/">

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最多可支持446个字符

"; msgBox.innerHTML = msg;//弹出层内容 // 获得事件Event对象，用于兼容IE和FireFox function getEvent() { return window.event || arguments.callee.caller.arguments[0]; } }

alertWin('新建个性签名',533,280);