{"id":1507,"date":"2006-10-27T15:03:13","date_gmt":"2006-10-27T07:03:13","guid":{"rendered":"http:\/\/ihower.idv.tw\/blog\/archives\/1507"},"modified":"2007-04-06T04:29:50","modified_gmt":"2007-04-05T20:29:50","slug":"comet-%e8%b6%85%e8%b6%8a-ajax-%e7%9a%84%e6%96%b0%e6%8a%80%e8%a1%93","status":"publish","type":"post","link":"https:\/\/ihower.tw\/blog\/1507-comet-%e8%b6%85%e8%b6%8a-ajax-%e7%9a%84%e6%96%b0%e6%8a%80%e8%a1%93","title":{"rendered":"Comet : \u8d85\u8d8a Ajax \u7684\u65b0\u6280\u8853?"},"content":{"rendered":"<p>Update (2006\/11\/5) : <a href=\"http:\/\/lightyror.blogspot.com\/2006\/11\/comet-for-ruby-on-rails-and-mongrel.html\">thegiive <\/a>\u5144\u4e5f\u91dd\u5c0d Comet \u4e5f\u505a\u4e86\u4e00\u756a\u7814\u7a76\u3002\u00a0<\/p>\n<p>Update(2007\/4\/6)\u00a0: <a href=\"http:\/\/rd-program.blogspot.com\/\">lazy Guy <\/a>\u63d0\u51fa\u4e86\u66f4\u6df1\u5165\u7684\u89c0\u5bdf\u8ddf\u770b\u6cd5\u3002<\/p>\n<p><a href=\"http:\/\/alex.dojotoolkit.org\/?p=545\">Comet<\/a> \u9019\u500b\u540d\u8a5e\u662f\u7531 Alex Russell (<a href=\"http:\/\/dojotoolkit.org\/\">Dojo<\/a>\u7684\u958b\u767c\u8005)\u00a0\u4eca\u5e74\u4e94\u6708\u6240\u63d0\u51fa\uff0c\u6bd4\u8f03\u719f\u77e5\u7684\u540d\u7a31\u6709 <a href=\"http:\/\/ajaxpatterns.org\/HTTP_Streaming\">HTTP_Streaming<\/a>\u3001<a href=\"http:\/\/en.wikipedia.org\/wiki\/Push_technology\">Server Push<\/a>\u3002\u8b93 Client \u700f\u89bd\u5668\u8207 Server \u5efa\u7acb\u9577\u6642\u9593\u7684\u9023\u7dda\uff0c\u56e0\u6b64Server\u53ef\u4ee5\u60f3\u50b3\u5c31\u50b3\u8cc7\u6599\u7d66 Client\uff0c\u4e0d\u9700\u8981 Client \u5148\u9001 request\uff0cServer \u624d\u80fd\u9001\u8cc7\u6599\u3002<!--more--><\/p>\n<p>Ajax\u7684\u4f5c\u6cd5\u8981\u66f4\u65b0\u7db2\u9801\u53ea\u6709\u7576\u4f7f\u7528\u8005\u89f8\u767c\u4e8b\u4ef6(mouseover\u6216click\u7b49)\u6216\u662f\u5229\u7528 <a href=\"http:\/\/ajaxpatterns.org\/Periodic_Refresh\">Periodic_Refresh<\/a> \u9031\u671f\u66f4\u65b0\uff0cPeriodic\u7684\u554f\u984c\u5728\u65bc\u4e0d\u7ba1\u662f\u5426\u6709\u6c92\u6709\u771f\u7684\u65b0\u8cc7\u8a0a\uff0c\u5c31\u56fa\u5b9a\u5e7e\u79d2\u9418\u9023\u7dda\uff0c\u589e\u52a0\u4e0d\u5fc5\u8981\u7684\u9023\u7dda\u8207\u983b\u5bec\u6d6a\u8cbb\uff0c\u4e0d\u904e Periodic Refresh \u4ecd\u662f\u73fe\u5728\u6700\u666e\u904d\u6c92\u6709\u554f\u984c\u7684\u4f5c\u6cd5\uff0c\u7b26\u5408\u73fe\u5b58\u7684Web\u67b6\u69cb\u3002<\/p>\n<p>Comet Demo<\/p>\n<ul>\n<li><a href=\"http:\/\/www.lightstreamer.com\/\">Lightstreamer<\/a> : \u5373\u6642\u8ca1\u7d93\u8a0a\u606f\uff0c\u771f\u662f\u8d85\u70ab\u7684&#8230; :p<\/li>\n<li><a href=\"http:\/\/meebo.com\/\">Meebo<\/a> : Web IM<\/li>\n<\/ul>\n<p>\u5e7e\u500b\u56f0\u96e3\u7684\u5730\u65b9\u00a0<\/p>\n<ul>\n<li>Server \u7684 scalable \u80fd\u529b! \u9577\u6642\u9593\u7684\u9023\u7dda\u8b93Server\u8ca0\u64d4\u5927\u589e\uff0c\u73fe\u6709 web server \u7684\u8a2d\u8a08\u4e26\u4e0d\u5408\u7528\u3002<\/li>\n<li>\u700f\u89bd\u5668\u652f\u63f4\uff0c\u9700\u7528\u4e00\u4e9b trick\uff0c\u56e0\u70ba\u5728 IE \u4e2d\u6c92\u4e0b\u8f09\u5b8c\u4e0d\u80fd\u7528\u3002\u6240\u4ee5\u8981\u7528 iframe \u6216 flash (\u53e6\u958bsocket) \u624d\u80fd\u8de8\u5e73\u53f0\u3002see <a href=\"http:\/\/ajaxian.com\/archives\/iframe-script-tags-portable-comet\">IFrame + Script Tags = Portable Comet<\/a><\/li>\n<li>\u53ef\u4ee5\u9054\u5230\u96d9\u5411 full duplex \u55ce? see <a href=\"http:\/\/ajaxian.com\/archives\/two-way-web-can-you-stream-in-both-directions\">Two-Way Web: Can You Stream In Both Directions?<\/a>\u00a0\u6709\u4e9b\u8a0e\u8ad6\u3002<\/li>\n<\/ul>\n<p>\u5be6\u52d9\u4e0a\uff0c\u9084\u4e0d\u662f\u5f88\u6210\u719f\u53ef\u4ee5\u4f7f\u7528\uff0c\u8dd1\u8d77\u4f86\u554f\u984c\u53ef\u80fd\u6703\u5f88\u591a\uff0cClient\u4e0d\u662f\u7db2\u9801\u6a19\u6e96\u4f5c\u6cd5\uff0cServer\u4e5f\u6c92\u6709\u7c21\u55ae\u7684\u652f\u63f4\u3002\u5b9a\u4f4d\u4e0a\u6211\u89ba\u5f97\u53ef\u4ee5\u4f5c\u70baAjax\u7684\u5ef6\u4f38\uff0c\u82e5\u914d\u5957\u652f\u63f4ok\uff0cServer\u90e8\u7f72\u6c92\u6709\u554f\u984c\uff0c\u4e5f\u8a31\u6703\u53d6\u4ee3 Ajax \u9700\u8981 period refresh \u7684\u90e8\u4efd\uff0c\u9054\u5230\u66f4\u597d\u7684\u4f7f\u7528\u8005\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Update (2006\/11\/5) : thegiive \u5144\u4e5f\u91dd\u5c0d Comet \u4e5f\u505a\u4e86\u4e00\u756a\u7814\u7a76\u3002\u00a0 Upda &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/ihower.tw\/blog\/1507-comet-%e8%b6%85%e8%b6%8a-ajax-%e7%9a%84%e6%96%b0%e6%8a%80%e8%a1%93\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008Comet : \u8d85\u8d8a Ajax \u7684\u65b0\u6280\u8853?\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[33,5],"tags":[],"class_list":["post-1507","post","type-post","status-publish","format-standard","hentry","category-javascript","category-programming","entry"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1q6tG-oj","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/1507","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/comments?post=1507"}],"version-history":[{"count":0,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/1507\/revisions"}],"wp:attachment":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/media?parent=1507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/categories?post=1507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/tags?post=1507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}