屏蔽瀏覽器緩存另類方法_PHP
Jun 01, 2016 pm 12:27 PM
有時(shí)候我們不希望瀏覽器使用緩存加快網(wǎng)頁(yè)的顯示，尤其是那些論壇之類的頻繁更新內(nèi)容的網(wǎng)頁(yè)，在網(wǎng)上有說(shuō)可以使用下面的方法來(lái)屏蔽緩存，但是我試了效果不好。
??
??某日我突發(fā)奇想，找到了一種在任何情況下都會(huì)顯示最新的網(wǎng)頁(yè)內(nèi)容的方法，描述如下：
??請(qǐng)將網(wǎng)頁(yè)的鏈接改為：
??http://xxx.yyy.zzz/page.php?rand=XXXXXXX
??其中http://xxx.yyy.zzz/page.php是你的網(wǎng)頁(yè)，rand是一個(gè)你不會(huì)用到的Qurey字串，XXXXXXX是一個(gè)隨機(jī)字串。
??也就是說(shuō)，只要在鏈接的Url加入了一個(gè)不會(huì)影響網(wǎng)頁(yè)的內(nèi)容的隨機(jī)字串，從而使得每次訪問(wèn)該網(wǎng)頁(yè)的Url都不同，從而可以使瀏覽器不使用緩存中已有的該網(wǎng)頁(yè)，而使每次顯示的都是最新的內(nèi)容。
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