本文为大家介绍下使用html+javascript实现可拖动弹出层、对话框、可提交，具体代码如下，感兴趣的朋友可以参考下，希望对大家有所帮助
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>JAVASCRIPT弹出层</title> <META http-equiv=Content-Type content="text/html; charset=utf-8"> <style> #popDiv { position: absolute; visibility: hidden; overflow: hidden; border: 2px solid #AEBBCA; background-color: #EEF1F8; cursor: move; padding: 1px; } #popTitle { background: #9DACBF; height: 20px; line-height: 20px; padding: 1px; } #popForm { padding: 2px; } .title_left { font-weight: bold; padding-left: 5px; float: left; } .title_right { float: right; } #popTitle .title_right a { color: #000; text-decoration: none; } #popTitle .title_right a:hover { text-decoration: underline; color: #FF0000; } </style> <script> function showPopup() {//弹出层 var objDiv = document.getElementById("popDiv"); objDiv.style.top = "50px";//设置弹出层距离上边界的距离 objDiv.style.left = "200px";//设置弹出层距离左边界的距离 objDiv.style.width = "300px";//设置弹出层的宽度 objDiv.style.height = "200px";//设置弹出层的高度 //objDiv.style.display = "block"; objDiv.style.visibility = "visible"; } function hidePopup() {//关闭层 var objDiv = document.getElementById("popDiv"); objDiv.style.visibility = "hidden"; } </script> </head> <body> <div id="popDiv"> <div id="popTitle"> <!-- 标题div --> <span class="title_left">修改操作</span> <span class="title_right"><a href="#" onclick="hidePopup();">关闭</a> </span> </div> <div id="popForm"> <!-- 表单div --> <form action="insert_map.jsp" method="post"> <p> ID :<input type="text" name="id" value="0" /> </br> 名 称 :<input type="text" name="name" value="aaa" /> </br> 电压等级 :<input type="text" name="voltage_level" value="110kv" /> </br> 经 度 :<input type="text" name="lon" value="121." /> </br> 纬 度 :<input type="text" name="lat" value="28." /> </br> </p> <input type="submit" value="提交" /> <input type="reset" value="重置" /> <input type="reset" value="取消" onclick="hidePopup()" /> </form> </div> </div> <p> <input name="" type="button" onclick="showPopup()" value="操作" /> </p> <script type="text/javascript"> /*-------------------------鼠标左键拖动---------------------*/ /*--------当不需要实现此功能时，可以将这一部分代码删除------------*/ var objDiv = document.getElementById("popDiv"); var isIE = document.all ? true : false;//判断浏览器类型 document.onmousedown = function(evnt) {//当鼠标左键按下后执行此函数 var evnt = evnt ? evnt : event; if (evnt.button == (document.all ? 1 : 0)) { mouseD = true;//mouseD为鼠标左键状态标志，为true时表示左键被按下 } } objDiv.onmousedown = function(evnt) { objDrag = this;//objDrag为拖动的对象 var evnt = evnt ? evnt : event; if (evnt.button == (document.all ? 1 : 0)) { mx = evnt.clientX; my = evnt.clientY; objDiv.style.left = objDiv.offsetLeft + "px"; objDiv.style.top = objDiv.offsetTop + "px"; if (isIE) { objDiv.setCapture(); //objDiv.filters.alpha.opacity = 50;//当鼠标按下后透明度改变 } else { window.captureEvents(Event.MOUSEMOVE);//捕获鼠标拖动事件 //objDiv.style.opacity = 0.5;//当鼠标按下后透明度改变 } } } document.onmouseup = function() { mouseD = false;//左键松开 objDrag = ""; if (isIE) { objDiv.releaseCapture(); //objDiv.filters.alpha.opacity = 100;//当鼠标左键松开后透明度改变 } else { window.releaseEvents(objDiv.MOUSEMOVE);//释放鼠标拖动事件 //objDiv.style.opacity = 1;//当鼠标左键松开后透明度改变 } } document.onmousemove = function(evnt) { var evnt = evnt ? evnt : event; if (mouseD == true && objDrag) { var mrx = evnt.clientX - mx; var mry = evnt.clientY - my; objDiv.style.left = parseInt(objDiv.style.left) + mrx + "px"; objDiv.style.top = parseInt(objDiv.style.top) + mry + "px"; mx = evnt.clientX; my = evnt.clientY; } } </script> </body> </html>
效果如下图：
