JavaScript拖拽的对话框
<!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浏览器*/ -ms-user-select: none; /*IE10*/ -khtml-user-select: none; /*早期浏览器*/ 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);">点击，弹出登录框</a></div> <div id="login" class="login"> <div id="title" class="login-title">登录会员 <span><a id="closeBtn" href="javascript:void(0);" class="close-login">关闭</a></span></div> <div class="login-input-content"> <div class="login-input"> <label>用户名：</label> <input type="text" placeholder="请输入用户名" name="info[username]" id="username" class="list-input"> </div> <div class="login-input"> <label>登录密码：</label> <input type="password" placeholder="请输入登录密码" 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">登录会员</a></div> </div> <!--登录框--> <div id="bg" class="login-bg"></div> <!--遮挡层--> <script src="common.js"></script> <script> //点击显示遮挡层和登录框 my$("link").onclick = function () { my$("login").style.display = "block"; my$("bg").style.display = "block"; }; //点击隐藏遮挡层和登录框 my$("closeBtn").onclick = function () { my$("login").style.display = "none"; my$("bg").style.display = "none"; }; //按下鼠标，移动鼠标，移动登录框 my$("title").onmousedown = function (e) { //获取此时可视区域的横坐标-此时登录框距离左侧页面的横坐标 var spaceX = e.clientX - my$("login").offsetLeft; var spaceY = e.clientY - my$("login").offsetTop; //移动事件 document.onmousemove = function (e) { //登录框新的可视区域的横坐标 = 鼠标当前可视区域的横坐标 - spaceX var x = e.clientX - spaceX; //登录框新的可视区域的纵坐标 = 鼠标当前可是区域的纵坐标 - spaceY var y = e.clientY - spaceY; my$("login").style.left = x + 250 + "px"; my$("login").style.top = y - 140 + "px"; }; //抬起鼠标 document.onmouseup = function () { document.onmousemove = null; }; }; </script> </body> </html>
common.js
/** * Created by Administrator on 2018/8/18. */ /** * Created by Administrator on 2016/7/27. */ /** * Created by Administrator on 2016/7/21. * * 次文件来自 很牛x的程序员 . * * 作者:无名 */ /* * 该函数是返回的是指定格式的日期,是字符串类型 * 参数:date ----日期 * 返回值: 字符串类型的日期 * */ function getDatetoString(date) { var strDate;//存储日期的字符串 //获取年 var year = date.getFullYear(); //获取月 var month = date.getMonth() + 1; //获取日 var day = date.getDate(); //获取小时 var hour = date.getHours(); //获取分钟 var minute = date.getMinutes(); //获取秒 var second = date.getSeconds(); hour = hour < 10 ? "0" + hour : hour; minute = minute < 10 ? "0" + minute : minute; second = second < 10 ? "0" + second : second; //拼接 strDate = year + "-" + month + "-" + day + " " + hour + ":" + minute + ":" + second;//隐藏问题,关于变量声明的位置 return strDate; } //根据id获取元素对象 function my$(id) { return document.getElementById(id); } /* * * innerText属性IE中支持 * textContent火狐中支持 * dvObj.innerText="您好";设置innerText的值 * console.log(dvObj.innerText);获取innerText的值 * 因为上述原因,inerText有时候需要设置值，有时候需要获取值 * 所以,需要写一个兼容的代码能在火狐中使用,也可以在IE中使用 * * * */ /* *设置innerText属性的值 * element-----为某个元素设置属性值 * content-----设置的值 * */ function setInnerText(element, content) { if (typeof element.textContent === "undefined") { //IE浏览器 element.innerText = content; } else { element.textContent = content; } } /* * 获取innerText属性的值 * element 要获取的元素 * 返回的是该元素的innerText值 * */ function getInnerText(element) { if (typeof element.textContent === "undefined") { //IE浏览器 return element.innerText; } else { return element.textContent; } } //获取当前元素前一个元素 function getPreviousElement(element) { if (element.previousElementSibling) { return element.previousElementSibling; } else { var ele = element.previousSibling; while (ele && ele.nodeType !== 1) { ele = ele.previousSibling; } return ele; } } //获取当前元素的后一个元素 function getNextElement(element) { if (element.nextElementSibling) { return element.nextElementSibling; } else { var ele = element.nextSibling; while (ele && ele.nodeType !== 1) { ele = ele.nextSibling; } return ele; } } //获取父元素中的第一个元素 function getFirstElementByParent(parent) { if (parent.firstElementChild) { return parent.firstElementChild; } else { var ele = parent.firstChild; while (ele && ele.nodeType !== 1) { ele = ele.nextSibling; } return ele; } } //获取父元素中的最后一个元素 function getLastElementByParent(parent) { if (parent.lastElementChild) { return parent.lastElementChild; } else { var ele = parent.lastChild; while (ele && ele.nodeType !== 1) { ele = ele.previousSibling; } return ele; } } //获取兄弟元素 function getsiblings(ele) { if (!ele)return;//判断当前的ele这个元素是否存在 var elements = [];//定义数组的目的就是存储当前这个元素的所有的兄弟元素 var el = ele.previousSibling;//当前元素的前一个节点 while (el) { if (el.nodeType === 1) {//元素 elements.push(el);//加到数组中 } el = el.previousSibling; } el = ele.nextSibling; while (el) { if (el.nodeType === 1) { elements.push(el); } el = el.nextSibling; } return elements; } // //能力检测多个浏览器为同一个对象注册多个事件 var EventTools = { //为对象添加注册事件 addEventListener: function (element, eventName, listener) { if (element.addEventListener) { element.addEventListener(eventName, listener, false); } else if (element.attachEvent) { element.attachEvent("on" + eventName, listener) } else { element["on" + eventName] = listener; } }, //为对象移除事件 removeEventListener: function (element, eventName, listener) { if (element.removeEventListener) { element.removeEventListener(eventName, listener, false); } else if (element.detachEvent) { element.detachEvent("on" + eventName, listener); } else { element["on" + eventName] = null; } }, //获取参数e getEvent: function (e) { return e || window.event; }, getPageX: function (e) { if (e.pageX) { return e.pageX; } else { //有的浏览器把高度设计在了文档的第一个元素中了 //有的浏览器把高度设计在了body中了 //document.documentElement.scrollTop;//文档的第一个元素 //document.body.scrollTop; var scrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft; return e.clientX + scrollLeft; } }, getPageY: function (e) { if (e.pageY) { return e.pageY; } else { var scrollTop = document.documentElement.scrollTop || document.body.scrollTop; return e.clientY + scrollTop; } } };
