JS中alert的自动关闭
(2013-08-31 14:28:15)
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<</SPAN>html>
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<</SPAN>head>
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<</SPAN>title>JavaScript自动关闭窗口</</SPAN>title>
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<</SPAN>meta http-equiv="content-Type" content="text/html;charset=gb2312">
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</</SPAN>head>
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<</SPAN>body>
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<</SPAN>input type="button" value="弹出alert框自动关闭" onClick="Alert('不点击确定三秒后自动关闭')">
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<</SPAN>script>
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//自动关闭提示框
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function Alert(str) {
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var msgw,msgh,bordercolor;
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msgw=350;//提示窗口的宽度
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msgh=80;//提示窗口的高度
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titleheight=25 //提示窗口标题高度
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bordercolor="#336699";//提示窗口的边框颜色
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titlecolor="#99CCFF";//提示窗口的标题颜色
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var sWidth,sHeight;
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//获取当前窗口尺寸
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sWidth = document.body.offsetWidth;
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sHeight = document.body.offsetHeight;
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// //背景div
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var bgObj=document.createElement_x("div");
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bgObj.setAttribute('id','alertbgDiv');
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bgObj.style.position="absolute";
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bgObj.style.top="0";
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bgObj.style.background="#E8E8E8";
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bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
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bgObj.style.opacity="0.6";
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bgObj.style.left="0";
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bgObj.style.width = sWidth + "px";
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bgObj.style.height = sHeight + "px";
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bgObj.style.zIndex = "10000";
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document.body.appendChild(bgObj);
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//创建提示窗口的div
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var msgObj = document.createElement_x("div")
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msgObj.setAttribute("id","alertmsgDiv");
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msgObj.setAttribute("align","center");
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msgObj.style.background="white";
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msgObj.style.border="1px solid " + bordercolor;
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msgObj.style.position = "absolute";
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msgObj.style.left = "50%";
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msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
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//窗口距离左侧和顶端的距离
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msgObj.style.marginLeft = "-225px";
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//窗口被卷去的高+(屏幕可用工作区高/2)-150
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msgObj.style.top = document.body.scrollTop+(window.screen.availHeight/2)-150 +"px";
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msgObj.style.width = msgw + "px";
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msgObj.style.height = msgh + "px";
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msgObj.style.textAlign = "center";
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msgObj.style.lineHeight ="25px";
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msgObj.style.zIndex = "10001";
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document.body.appendChild(msgObj);
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//提示信息标题
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var title=document.createElement_x("h4");
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title.setAttribute("id","alertmsgTitle");
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title.setAttribute("align","left");
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title.style.margin="0";
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title.style.padding="3px";
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title.style.background = bordercolor;
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title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
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title.style.opacity="0.75";
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title.style.border="1px solid " + bordercolor;
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title.style.height="18px";
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title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
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title.style.color="white";
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title.innerHTML="提示信息";
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document.getElementByIdx_x("alertmsgDiv").appendChild(title);
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//提示信息
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var txt = document.createElement_x("p");
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txt.setAttribute("id","msgTxt");
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txt.style.margin="16px 0";
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txt.innerHTML = str;
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document.getElementByIdx_x("alertmsgDiv").appendChild(txt);
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//设置关闭时间
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window.setTimeout("closewin()",2000);
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}
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function closewin() {
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document.body.removeChild(document.getElementByIdx_x("alertbgDiv"));
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document.getElementByIdx_x("alertmsgDiv").removeChild(document.getElementByIdx_x("alertmsgTitle"));
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document.body.removeChild(document.getElementByIdx_x("alertmsgDiv"));
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}
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</</SPAN>script>
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</</SPAN>body>
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</</SPAN>html>
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