Une fenêtre de discussion de type QQ implémentée avec JavaScript. Vous pouvez développer des calques, faire glisser des calques, fermer des calques et simplement envoyer des messages. C'est très bien, et il n'y a pas beaucoup de code à étudier, et c'est aussi pratique. . Vous pouvez De nombreuses applications JS CSS sont étendues sur cette base.
<!--CTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt--> <html> <head> <title>层展开、层拖动、层关闭</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <style type="text/css" media="all" rel="stylesheet"> <!-- body { text-align:left; margin:0; font:normal 12px Verdana, Arial; background:#FFEEFF } form { margin:0; font:normal 12px Verdana, Arial; } table,input { font:normal 12px Verdana, Arial; } a:link,a:visited{ text-decoration:none; color:#333333; } a:hover{ text-decoration:none; color:#FF6600 } #main { width:400px; position:absolute; left:600px; top:100px; background:#EFEFFF; text-align:left; filter:Alpha(opacity=90) } #ChatHead { text-align:right; padding:3px; border:1px solid #003399; background:#DCDCFF; font-size:11px; color:#3366FF; cursor:move; } #ChatHead a:link,#ChatHead a:visited, { font-size:14px; font-weight:bold; padding:0 3px } #ChatBody { border:1px solid #003399; border-top:none; padding:2px; } #ChatContent { height:200px; padding:6px; overflow-y:scroll; word-break: break-all } #ChatBtn { border-top:1px solid #003399; padding:2px } --> </style><script language="javascript" type="text/javascript"> <!-- function $(d){return document.getElementById(d);} function gs(d){var t=$(d);if (t){return t.style;}else{return null;}} function gs2(d,a){ if (d.currentStyle){ var curVal=d.currentStyle[a] }else{ var curVal=document.defaultView.getComputedStyle(d, null)[a] } return curVal; } function ChatHidden(){gs("ChatBody").display = "none";} function ChatShow(){gs("ChatBody").display = "";} function ChatClose(){gs("main").display = "none";} function ChatSend(obj){ var o = obj.ChatValue; if (o.value.length>0){ $("ChatContent").innerHTML += "<strong>Akon说:</strong>"+o.value+"<br/>"; o.value=''; } } if (document.getElementById){ ( function(){ if (window.opera){ document.write("<input type='hidden' id='Q' value=' '>"); } var n = 500; var dragok = false; var y,x,d,dy,dx; function move(e) { if (!e) e = window.event; if (dragok){ d.style.left = dx + e.clientX - x + "px"; d.style.top = dy + e.clientY - y + "px"; return false; } } function down(e){ if (!e) e = window.event; var temp = (typeof e.target != "undefined")?e.target:e.srcElement; if (temp.tagName != "HTML"|"BODY" && temp.className != "dragclass"){ temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement; } if('TR'==temp.tagName){ temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement; temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement; temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement; } if (temp.className == "dragclass"){ if (window.opera){ document.getElementById("Q").focus(); } dragok = true; temp.style.zIndex = n++; d = temp; dx = parseInt(gs2(temp,"left"))|0; dy = parseInt(gs2(temp,"top"))|0; x = e.clientX; y = e.clientY; document.onmousemove = move; return false; } } function up(){ dragok = false; document.onmousemove = null; } document.onmousedown = down; document.onmouseup = up; } )(); } --> </script> </head> <body> <div class="dragclass" id="main" style="LEFT: 588px; TOP: 298px"> <div id="ChatHead"><a onclick="ChatHidden();" href="#">-</a> <a onclick="ChatShow();" href="#">+</a> <a onclick="ChatClose();" href="#">x</a> </div> <div id="ChatBody"> <div id="ChatContent">HI! Hello ! Welcome to www.jb51.net</div> <div id="ChatBtn"> <form action="" method="post" name="chat"> </form> </div> </div> </div> </body> </html>
J'espère que cet article sera utile à la conception de la programmation JavaScript de chacun.