功能:5秒后,自动跳转到同目录下的02view.html文件
1)html的实现
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<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
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<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)
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<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)
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<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
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<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')
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<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--; } } } |
知识不是用来缓存的,持久化才是王道
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