{"id":1107,"date":"2019-12-17T11:06:14","date_gmt":"2019-12-17T03:06:14","guid":{"rendered":"http:\/\/149.129.74.185\/?p=1107"},"modified":"2019-12-17T18:25:05","modified_gmt":"2019-12-17T10:25:05","slug":"%e8%ae%a1%e7%ae%97%e6%9c%ba%e7%bd%91%e7%bb%9c-week-15-note","status":"publish","type":"post","link":"http:\/\/www.magicmipamipa.com\/?p=1107","title":{"rendered":"[\u8ba1\u7b97\u673a\u7f51\u7edc] Week 15 Note"},"content":{"rendered":"

\u8981\u8003\u8bd5\u4e86\uff01\uff01\uff01\uff01\uff01QAQ\uff01\uff01\uff01\uff01<\/p>\n

\n

Web<\/p>\n

AJAX \u6280\u672f<\/p>\n

\u5c40\u90e8\u5237\u65b0\u6280\u672f<\/p>\n

DOM Tree<\/p>\n

\u4fee\u6539\u90e8\u5206\u7684\u5185\u5bb9<\/p>\n

Applets – \u4f7f\u7528JVM<\/p>\n

Active X controls – \u7f16\u8bd1\u6210\u673a\u5668\u7801<\/p>\n

HTTP \u534f\u8bae 1.0\/1.1\/2.0<\/h3>\n

C\/S \u6a21\u5f0f<\/p>\n

B\/S \u6a21\u5f0f \u901a\u7528\u7684\u670d\u52a1\u7aef\u548c\u901a\u7528\u7684\u5ba2\u6237\u7aef<\/p>\n

Methods:<\/h4>\n

*GET \u8bf7\u6c42\u8bfb\u53d6\u4e00\u4e2aweb\u9875\u9762<\/p>\n

*POST Append to a named resource<\/p>\n

Status Code:<\/h4>\n

Code 2xx : Success<\/p>\n

Code 3xx : Redirection # 301 = page moved(\u670d\u52a1\u5668\u642c\u5bb6\u4e86)<\/p>\n

Code 4xx : Client Error # 404 = page not found<\/p>\n

Code 5xx : Server Error # 500 = internal server error<\/p>\n

Message Header:<\/h4>\n

Content-Encoding<\/p>\n

Content-Type<\/p>\n

Content-Length<\/p>\n

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Host \u57df\u540d DNS<\/p>\n

Authorization \u6388\u6743 \u767b\u9646\/\u52a0\u5bc6<\/p>\n

Cookie<\/p>\n

Set-Cookie<\/p>\n

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ADC(Analog Digital Converter)<\/h4>\n

PCM \u7535\u8bdd\u7cfb\u7edf<\/p>\n

8000 samples\/sec<\/p>\n

Audio CD<\/p>\n

44100 samples\/sec<\/p>\n

16 bits for data<\/p>\n

\u538b\u7f29\uff1a<\/p>\n

ADPCM – Waveform coding<\/p>\n

MP3 – Perceptual\uff08\u611f\u77e5\uff09 coding<\/p>\n

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Digital Video<\/h4>\n

at least 25 frames\/sec<\/p>\n

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Multicast Streaming Live Media<\/h4>\n

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 <\/p>\n

H.323<\/p>\n

SIP<\/p>\n

 <\/p>\n

CDN Content Delivery Network<\/h4>\n

\u8bbf\u95ee\u91cf\u5f88\u5927\u7684\u670d\u52a1\u5668<\/p>\n

 <\/p>\n

\u7f51\u7edc\u5b89\u5168<\/p>\n

Plaintext P \u672a\u52a0\u5bc6\u6587\u4ef6<\/p>\n

Ciphertext C \u52a0\u5bc6\u540e\u6587\u4ef6<\/p>\n

Cryptography<\/p>\n

\u5bf9\u79f0\u5bc6\u94a5\u52a0\u5bc6<\/p>\n

\u516c\u5f00\u5bc6\u94a5\u5bc6\u7801\u89e3\u91ca RSA<\/p>\n","protected":false},"excerpt":{"rendered":"

\u8981\u8003\u8bd5\u4e86\uff01\uff01\uff01\uff01\uff01QAQ\uff01\uff01\uff01\uff01 Web AJAX \u6280\u672f \u5c40\u90e8\u5237\u65b0\u6280\u672f DOM Tree \u4fee\u6539\u90e8\u5206\u7684 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[19,16],"tags":[],"_links":{"self":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1107"}],"collection":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1107"}],"version-history":[{"count":3,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1107\/revisions"}],"predecessor-version":[{"id":1111,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=\/wp\/v2\/posts\/1107\/revisions\/1111"}],"wp:attachment":[{"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1107"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.magicmipamipa.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}