<script>
setTimeout( 'window.location= "home.jsp " ',3000) ;//注意，此处“;”可加可不加
</script>
<script>
setTimeout( 'history.go(-1) ',3000)
</script>
2.
<head> <meta http-equiv= "refresh " content= "3;url=window.history.back(): " /> </head>
或者
<head> <meta http-equiv= "refresh " content= "3;url= ‘ aa.html' " /> </head>
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