案例：拖曳對話框
ps: 實際沒有要拖曳登錄框的需求，只是演示拖曳的這個效果
1. 獲取超鏈接，注冊點擊事件，顯示登陸框和遮擋層 2. 獲取關閉，注冊點擊事件，隱藏登陸框和遮擋層 3. 按下滑鼠，移動滑鼠，移動登陸框
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <style> .login-header { width: 100%; text-align: center; height: 30px; font-size: 24px; line-height: 30px; } ul, li, ol, dl, dt, dd, div, p, span, h1, h2, h3, h4, h5, h6, a { padding: 0px; margin: 0px; } .login { width: 512px; position: absolute; border: #ebebeb solid 1px; height: 280px; left: 50%; right: 50%; background: #ffffff; box-shadow: 0px 0px 20px #ddd; z-index: 9999; margin-left: -250px; margin-top: 140px; display: none; } .login-title { width: 100%; margin: 10px 0px 0px 0px; text-align: center; line-height: 40px; height: 40px; font-size: 18px; position: relative; cursor: move; -moz-user-select: none; /*火狐*/ -webkit-user-select: none; /*webkit瀏覽器*/ -ms-user-select: none; /*IE10*/ -khtml-user-select: none; /*早期瀏覽器*/ user-select: none; } .login-input-content { margin-top: 20px; } .login-button { width: 50%; margin: 30px auto 0px auto; line-height: 40px; font-size: 14px; border: #ebebeb 1px solid; text-align: center; } .login-bg { width: 100%; height: 100%; position: fixed; top: 0px; left: 0px; background: #000000; filter: alpha(opacity=30); -moz-opacity: 0.3; -khtml-opacity: 0.3; opacity: 0.3; display: none; } a { text-decoration: none; color: #000000; } .login-button a { display: block; } .login-input input.list-input { float: left; line-height: 35px; height: 35px; width: 350px; border: #ebebeb 1px solid; text-indent: 5px; } .login-input { overflow: hidden; margin: 0px 0px 20px 0px; } .login-input label { float: left; width: 90px; padding-right: 10px; text-align: right; line-height: 35px; height: 35px; font-size: 14px; } .login-title span { position: absolute; font-size: 12px; right: -20px; top: -30px; background: #ffffff; border: #ebebeb solid 1px; width: 40px; height: 40px; border-radius: 20px; } </style> </head> <body> <div class="login-header"><a id="link" href="javascript:void(0);">點擊，彈出登錄框</a></div> <div id="login" class="login"> <div id="title" class="login-title">登錄會員 <span><a id="closeBtn" href="javascript:void(0);" class="close-login">關閉</a></span></div> <div class="login-input-content"> <div class="login-input"> <label>用戶名：</label> <input type="text" placeholder="請輸入用戶名" name="info[username]" id="username" class="list-input"> </div> <div class="login-input"> <label>登錄密碼：</label> <input type="password" placeholder="請輸入登錄密碼" name="info[password]" id="password" class="list-input"> </div> </div> <div id="loginBtn" class="login-button"><a href="javascript:void(0);" id="login-button-submit">登錄會員</a></div> </div> <!--登錄框--> <div id="bg" class="login-bg"></div> <!--遮擋層--> <script src="common.js"></script> <script> //獲取超鏈接，注冊點擊事件，顯示登陸框和遮擋層 my$("link").onclick = function () { my$("login").style.display = "block"; my$("bg").style.display = "block"; } //獲取關閉，注冊點擊事件，隱藏登陸框和遮擋層 my$("closeBtn").onclick = function () { my$("login").style.display = "none"; my$("bg").style.display = "none"; } //按下滑鼠，移動滑鼠，移動登陸框 my$("title").onmousedown = function (e) { //獲取此時的可視區域的橫坐標-此時登錄框距離左側頁面的橫坐標 var spaceX = e.clientX - my$("login").offsetLeft; var spaceY = e.clientY - my$("login").offsetTop; //移動事件 document.onmousemove = function (e) { //新的可視區域的橫坐標-spaceX var x = e.clientX - spaceX + 250; var y = e.clientY - spaceY - 140; my$("login").style.left = x + "px"; my$("login").style.top = y + "px"; }; }; document.onmouseup = function () { document.onmousemove = null; }; </script> </body> </html>
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標籤：其他