enj0y
V2EX  ›  PHP

请问一下,关于HTTP HEADER的一处细节

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  •   enj0y · Sep 8, 2012 · 3405 views
    This topic created in 5024 days ago, the information mentioned may be changed or developed.
    假设:
    a.php 302到 b.php,
    a.php缓存 Sa秒
    b.php缓存 Sb秒
    且Sa<Sb,
    求解,在不强制刷新、不干涉缓存的情况下,a.php若缓存失效,b.php缓存有效,实际浏览器是否会向b.php发出请求?
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