一些页面自动跳转的实现

http://www.blogjava.net/xcp/archive/2009/03/05/outerscript.html
功能:5秒后,自动跳转到同目录下的02view.html文件

1)html的实现
<head>
<meta http-equiv="refresh" content="5;url=02view.html">
</head>

优点:简单
缺点:Struts Tiles中无法使用

2)javascript的实现
<script language="javascript" type="text/javascript">
   setTimeout("javascript:location.href='02view.html'", 5000); 
</script>

优点:灵活,可以结合更多的其他功能
缺点:受到不同浏览器的影响

3)结合了倒数的javascript实现(IE)
<span id="totalSecond">5</span>

<script language="javascript" type="text/javascript">
var second = totalSecond.innerText;
setInterval("redirect()", 1000);
function redirect(){ 
totalSecond.innerText=--second; 
if(second<0) location.href='02view.html';
}
</script>

优点:更人性化
缺点:firefox不支持(firefox不支持span、div等的innerText属性)

3')结合了倒数的javascript实现(firefox)
<script language="javascript" type="text/javascript">
    var second = document.getElementById('totalSecond').textContent;
    setInterval("redirect()", 1000);
    function redirect()
    {
        document.getElementById('totalSecond').textContent = --second;
        if (second < 0) location.href = '02view.html';
    }
</script>

4)解决Firefox不支持innerText的问题
<span id="totalSecond">5</span>

<script language="javascript" type="text/javascript">
if(navigator.appName.indexOf("Explorer") > -1){
    document.getElementById('totalSecond').innerText = "my text innerText";
} else{
    document.getElementById('totalSecond').textContent = "my text textContent";
}
</script>

5)整合3)和3')
<span id="totalSecond">5</span>

<script language="javascript" type="text/javascript">
    var second = document.getElementById('totalSecond').textContent;

    if (navigator.appName.indexOf("Explorer") > -1)
    {
        second = document.getElementById('totalSecond').innerText;
    } else
    {
        second = document.getElementById('totalSecond').textContent;
    }


    setInterval("redirect()", 1000);
    function redirect()
    {
        if (second < 0)
        {
            location.href = '02view.html';
        } else
        {
            if (navigator.appName.indexOf("Explorer") > -1)
            {
                document.getElementById('totalSecond').innerText = second--;
            } else
            {
                document.getElementById('totalSecond').textContent = second--;
            }
        }
    }
</script>

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