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原生Js封装的弹出框
<!DOCTYPE HTML> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>原生Js封装的弹出框-弹出窗口-页面居中-多状态可选</title><style type="text/css"> *{margin:0;padding: 0;} body{height: 2000px;} div#shadeDiv{display:none;position: absolute;top: 0;left: 0; opacity: 1; filter: alpha(opacity=100);z-index: 9998;background-color: #000;} div#prompt{border-radius:5px; display:none;border: 1px solid #CCC; position:fixed;_position: absolute;z-index: 9999;background-color: #fff;} div#prompt_title{ cursor:move;border-radius:5px;font-size:14px;font-weight: bold;color: #333;padding-left:10px;height: 35px;line-height: 35px;border-bottom: 1px solid #ececec;background-color:#fcfcfc; } span#prompt_close{ position: absolute;right: 10px;top: 10px; cursor: pointer; background: url("http://images.cnitblog.com/blog/150659/201308/12213040-24db4f5be00e447a852649af3df86cb1.gif") no-repeat -281px -41px; width: 14px;height: 13px;outline: none;display: block;} div#prompt_body{padding: 30px 20px;font-size:13px;line-height: 1.5;} div#prompt_bottom{display:none;position: absolute;bottom: 15px;right: 15px;} div#prompt_bottom a.btn{_display:block;_float:left;border: 1px solid #888;border-radius:2px;font-size: 13px;padding: 5px 8px ;margin-left: 10px;cursor: pointer;color: #000000;color: #000000!important;background: #F3F3F3;background: -moz-linear-gradient(top,#ffffff 0%,#ebebeb 90%,#F3F3F3 100%);background: -webkit-linear-gradient(top,#ffffff 0%,#ebebeb 90%,#F3F3F3 100%);background: -o-linear-gradient(top,#ffffff 0%,#ebebeb 90%,#F3F3F3 100%);background: -ms-linear-gradient(top,#ffffff 0%,#ebebeb 90%,#F3F3F3 100%);filter: progid:DXImageTransform.Microsoft.gradient( startColorstr=‘#ffffff‘,endColorstr=‘#d7d7d7‘,GradientType=0 );background: linear-gradient(top,#ffffff 0%,#ebebeb 90%,#F3F3F3 100%);} div#prompt_bottom a.btn:hover{border: 1px solid blue;}</style><body><div style="margin-left:auto;margin-right:auto"><button id="bt1" style="margin-top:200px;">有遮罩的alert弹出框</button><button id="bt2">没有标题和遮罩的confirm弹出框</button><button id="bt3">有确定按钮的alert弹出框</button><button id="bt4">自定义html内容的弹出框</button></div><script type="text/javascript">var Prompt = { $ : function(id){return document.getElementById(id)}, add : function(){ //生成div和遮罩层 this.createShade(); this.createPrompt(); }, init :function(option){ var title = this.title = option.title || false, shade = this.shade = option.shade || false, //是否显示遮罩 opacity = this.opacity = option.opacity || 20, //遮罩透明度 width = this.width = option.width || 500, height = this.height = option.height || 300, _temp = this._temp = option.html || "", ConfirmFun = this.ConfirmFun = option.ConfirmFun || false, CancelFun = this.CancelFun = option.CancelFun || false; this.editTitle(); this.editHtml(); if(ConfirmFun){ this.showBottom(); }else{ this.hideBottom(); } this.show(); }, editTitle : function(){ //title div生成 var prompt_title = this.$("prompt_title"); if(this.title){ prompt_title.innerHTML = this.title; //添加拖拽方法 this.drag(); prompt_title.style.display = "block"; }else{ prompt_title.style.display = "none"; } }, editHtml : function(){ var prompt_body = this.$("prompt_body"); prompt_body.innerHTML = this._temp; }, createPrompt : function(){ //创建弹出的div var doc = document, Div = doc.createElement("div"); Div.id = "prompt"; Div.innerHTML = "<span id=‘prompt_close‘></span><div id=‘prompt_title‘></div><div id=‘prompt_body‘></div><div id=‘prompt_bottom‘></div>"; doc.body.appendChild(Div); var prompt_close = this.$("prompt_close"); this.addHandler(prompt_close,"click",this.hide); }, showBottom : function(){ //创建确定 取消按钮 var that = this, prompt_bottom = that.$("prompt_bottom"); if(that.CancelFun){ prompt_bottom.innerHTML = "<a class=‘btn‘ id=‘ConfirmFun‘>确定</a><a class=‘btn‘ id=‘CancelFun‘>取消</a>"; that.addHandler(that.$("ConfirmFun"),"click",function(){ that.hide(); that.ConfirmFun(); }); that.addHandler(that.$("CancelFun"),"click",function(){ that.hide(); that.CancelFun(); }); }else{ prompt_bottom.innerHTML = "<a class=‘btn‘ id=‘ConfirmFun‘>确定</a>"; that.addHandler(that.$("ConfirmFun"),"click",function(){ that.hide(); that.ConfirmFun(); }); } prompt_bottom.style.display = "block"; }, hideBottom : function(){ this.$("prompt_bottom").innerHTML = ""; this.$("prompt_bottom").style.display = "none"; }, show : function(){ var promptDiv = Prompt.$("prompt"), shadeDiv = Prompt.$("shadeDiv"), bodyHeight = document.documentElement.clientHeight || document.body.clientHeight ; promptDiv.style.display = "block"; promptDiv.style.width = this.width + "px"; promptDiv.style.height = this.height + "px"; promptDiv.style.left = (this.bodyWidth/2-this.width/2)+ "px"; promptDiv.style.top = (bodyHeight/2-this.height/2) + "px"; if(this.shade){ shadeDiv.style.display = "block"; if (document.all) { shadeDiv.filters.alpha.opacity = this.opacity; shadeDiv.style.zoom = 1 ; }else { shadeDiv.style.opacity = this.opacity / 100; } } if(this.IE6()) promptDiv.appendChild(this.createIframe()); //ie6添加iframe }, hide : function(){ Prompt.$("prompt").style.display = "none"; Prompt.$("shadeDiv").style.display = "none"; }, createShade : function(){ //创建遮罩层 var doc = document, bodyWidth = this.bodyWidth = doc.documentElement.clientWidth || doc.body.clientWidth, bodyHeight = this.bodyHeight = doc.documentElement.scrollHeight || doc.body.scrollHeight, Div = doc.createElement("div"); Div.id = "shadeDiv"; Div.style.height = bodyHeight + "px"; Div.style.width = bodyWidth + "px"; Div.style.opacity = 0.2; if(this.IE6()) Div.appendChild(this.createIframe("shadeDiv")); //ie6添加iframe doc.body.appendChild(Div); }, createIframe : function(div){ var width,height; if(div == "shadeDiv"){ width = this.bodyWidth; height = this.bodyHeight; }else{ width = this.width; height = this.height; } var Iframe = document.createElement(‘iframe‘); Iframe.style.position = ‘absolute‘; Iframe.style.zIndex = ‘-1‘; Iframe.style.left = ‘-1px‘; Iframe.style.top = 0; Iframe.style.border = 0; Iframe.style.filter = ‘alpha(opacity=0)‘; Iframe.style.width = width + ‘px‘; Iframe.style.height = height + ‘px‘; return Iframe; }, isDown : false, drag : function(){ //添加拖拽事件 var that = this, mouseX,mouseY,objY,objX, prompt_title = this.$("prompt_title"), prompt = this.$("prompt"); that.addHandler(prompt_title,"mousedown",function(event){ var event = window.event || event; if(event.button == 0 || event.button==1){ //鼠标左键chrome=0 ie=1 (!window.ActiveXObject) ? event.preventDefault() : event.returnValue = http://www.mamicode.com/false; //取消默认行为"mousemove",function(event){ if(that.isDown){ var event = window.event || event; // (!window.ActiveXObject) ? event.preventDefault() : event.returnValue = http://www.mamicode.com/false; //取消默认行为"px"; prompt.style.left = event.clientX - mouseX + objX + "px"; } }); that.addHandler(document,"mouseup",function(){ that.isDown = false; }); }, getPosition : function(obj) { //获取元素在页面里的位置和宽高 var top = 0, left = 0, width = obj.offsetWidth, height = obj.offsetHeight; while(obj.offsetParent){ top += obj.offsetTop; left += obj.offsetLeft; obj = obj.offsetParent; } return {"top":top,"left":left,"width":width,"height":height}; }, addHandler:function(node, type, handler){ node.addEventListener ? node.addEventListener(type, handler, false) : node.attachEvent(‘on‘+ type, handler); }, IE6 : function(){ return !!window.ActiveXObject && !window.XMLHttpRequest; }}Prompt.add();document.getElementById("bt1").onclick = function(){ Prompt.init({ title : "我是个alert弹出框", shade : true, opacity : 20, width : 800, height : 150, html : "我是个alert弹出框我是个alert弹出框我是个alert弹出框我是个alert弹出框我是个alert弹出框我是个alert弹出框!" });}document.getElementById("bt2").onclick = function(){ Prompt.init({ height: 200, html : "没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!", ConfirmFun : a1, CancelFun : a2 });}document.getElementById("bt3").onclick = function(){ Prompt.init({ title : "有确定按钮的弹出框", height: 200, html : "没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!没有标题和遮罩的confirm弹出框!", ConfirmFun : a1 });}document.getElementById("bt4").onclick = function(){ var str = "<h1>需要实现的状态</h1>" + "<p>1.是否有遮罩层</p>" + "<p>2.是否有title</p>" + "<p>3.alert & confirm</p>" + "<p>4.自定义弹出框里面的html</p>" + "<p>5.拖拽</p>" + "<select name=‘IE6‘>" + "<option>1</option>" + "<option>2</option>" + "<option>3</option>" + "</select>" + "<br>" + "<h2>可以自己添加修改css样式</h2>" + "<iframe src=http://www.mamicode.com/‘http://www.baidu.com‘ width=‘900‘ height=‘200‘></iframe>" + "<h6>也可以自己添加方法</h6>"; Prompt.init({ title :"自定义html内容的弹出框", shade : true, opacity : 20, width :1000, height: 500, html : str });}function a1(){ Prompt.init({ title : "我是确认弹出框", shade : true, height : 150, html : "我是确认弹出框!" });}function a2(){ Prompt.init({ title : "我是取消的弹出框", shade : true, opacity : 20, width : 200, height : 150, html : "我是取消的弹出框" });}</script> </body></html>
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