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流程
當(dāng)資源第一次被訪問的時(shí)候,HTTP頭部如下
(Request-Line) GET /a.html HTTP/1.1
Host 127.0.0.1
User-Agent Mozilla/5.0 (X11; U; Linux i686; zh-CN; rv:1.9.0.15) Gecko/2009102815 Ubuntu/9.04 (jaunty) Firefox/3.0.15
Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language zh-cn,zh;q=0.5
Accept-Encoding gzip,deflate
Accept-Charset gb2312,utf-8;q=0.7,;q=0.7
Keep-Alive 300
Connection keep-alive
it知識(shí)庫:HTTP請(qǐng)求中瀏覽器的緩存機(jī)制,轉(zhuǎn)載需保留來源!
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