{"id":201,"date":"2014-08-17T23:55:17","date_gmt":"2014-08-17T15:55:17","guid":{"rendered":"http:\/\/www.hightopo.com\/blog\/?p=201"},"modified":"2014-08-18T00:02:30","modified_gmt":"2014-08-17T16:02:30","slug":"ht%e5%9b%be%e5%bd%a2%e7%bb%84%e4%bb%b6%e8%ae%be%e8%ae%a1%e4%b9%8b%e9%81%93%ef%bc%88%e4%b8%89%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.hightopo.com\/blog\/201.html","title":{"rendered":"HT\u56fe\u5f62\u7ec4\u4ef6\u8bbe\u8ba1\u4e4b\u9053\uff08\u4e09\uff09"},"content":{"rendered":"<p><a href=\"http:\/\/www.hightopo.com\/blog\/194.html\">\u4e0a\u7bc7<\/a>\u6211\u4eec\u901a\u8fc7\u5b9a\u5236\u4e86CPU\u548c\u5185\u5b58\u5c55\u793a\u754c\u9762\uff0c\u4f53\u9a8c\u4e86<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u901a\u8fc7\u5b9a\u4e49\u77e2\u91cf\u5b9e\u73b0\u56fe\u5f62\u7ed8\u5236\u4e0e\u4e1a\u52a1\u6570\u636e\u7684\u4ee3\u7801\u89e3\u8026\u53ca\u7ed1\u5b9a\u8054\u52a8\uff0c\u8fd9\u7c7b\u6848\u4f8b\u540e\u7eed\u6587\u7ae0\u8fd8\u4f1a\u7ee7\u7eed\u4ee5\u4fbf\u5927\u5bb6\u638c\u63e1\u66f4\u591a\u7684\u77e2\u91cf\u5e94\u7528\u573a\u666f\uff0c\u672c\u7bc7\u6211\u4eec\u5148\u5207\u6362\u4e2a\u8bdd\u9898\uff0c\u8c08\u8c08\u6a21\u578b-\u89c6\u56fe-\u4e8b\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n<p>\u56fe\u5f62\u7ec4\u4ef6\u8bbe\u8ba1\u67b6\u6784\u4e0a\u4e3b\u8981\u5c31\u662f\u5728\u89c4\u5212Data\u6a21\u578b\uff0cView\u89c6\u56fe\u548cEvent\u4e8b\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u8fd9\u4e9b\u5e74\u4e1a\u754c\u9010\u6e10\u5c06\u5404\u79cdGUI\u8bbe\u8ba1\u6a21\u5f0f\u63d0\u70bc\u6210\u7406\u8bba\u5f52\u7c7b\uff0cMVC\u3001MVP\u548cMVVM\u7684\u4e3b\u8981\u5927\u7c7b\u5e38\u88ab\u7edf\u79f0\u4e3aMV*\uff0c\u6709\u5f88\u591a\u6587\u7ae0\u8fdb\u884c\u5404\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u7684\u5b9a\u4e49\u548c\u6bd4\u8f83\uff0c\u672c\u7bc7\u4e0d\u6253\u7b97\u6df1\u5165\u5c55\u5f00\u7406\u8bba\u7684\u8ba8\u8bba\uff0c\u4e0d\u540c\u56fe\u5f62\u7ec4\u4ef6\u8bbe\u8ba1\u67b6\u6784\u90fd\u4f1a\u6709\u5f88\u591a\u5dee\u5f02\uff0c\u6301\u7eed\u53d1\u5c55\u7684\u7ec4\u4ef6\u5176\u5b9e\u6bcf\u65f6\u6bcf\u523b\u90fd\u5728\u8fdb\u884c\u7740\u5404\u79cd\u8bbe\u8ba1\u4e0a\u7684\u6539\u8fdb\uff0c\u76f8\u4fe1\u6709\u5f88\u591a\u4e0d\u9519\u7684\u7ec4\u4ef6\u5df2\u7ecf\u521b\u65b0\u51fa\u4e86\u66f4\u591a\u65b0\u7684\u66f4\u5b9e\u7528\u7684\u8bbe\u8ba1\u6a21\u578b\uff0c\u53ea\u4e0d\u8fc7\u8fd8\u672a\u88ab\u63d0\u70bc\u5230\u7406\u8bba\u9ad8\u5ea6\u8fdb\u884c\u5f52\u7c7b\u8ba9\u4e16\u4eba\u77e5\u6653\uff0c\u56e0\u6b64\u8fc7\u7ec6\u53bb\u5b9a\u4e49\u4ec0\u4e48\u662fP\uff0c\u4ec0\u4e48\u662fVM\uff0c\u54ea\u4e2a\u529f\u80fd\u5e94\u8be5\u5199\u5728\u54ea\u4e2a\u90e8\u5206\u624d\u7b97\u5408\u7406\u6211\u89c9\u5f97\u662f\u6ca1\u592a\u5927\u610f\u4e49\u7684\uff0c\u53ea\u8981\u4e0d\u65ad\u6539\u8fdb\u4ea7\u54c1\uff0c\u56e2\u961f\u80fd\u66f4\u597d\u7ef4\u62a4\u6269\u5c55\uff0c\u7528\u6237\u6613\u5b66\u6613\u7528\u5c31\u591f\u4e86\uff0c\u7406\u8bba\u9ad8\u5ea6\u7559\u7ed9<a href=\"http:\/\/martinfowler.com\/\">Martin Fowler<\/a>\u8fd9\u7c7b\u795e\u7ea7\u5927\u5e08\u53bb\u5b9a\u4e49\u3002<\/p>\n<p>\u63d0\u5230<a href=\"http:\/\/martinfowler.com\/\">Martin Fowler<\/a>\u56e0\u4e3a\u4ed6\u7684\u300a<a href=\"http:\/\/martinfowler.com\/eaaDev\/uiArchs.html\">GUI Architectures<\/a>\u300b\u548c\u300a<a href=\"http:\/\/martinfowler.com\/eaaDev\/PresentationModel.html\">Presentation Model<\/a>\u300b\u662f\u6211\u8f83\u65e9\u89c1\u5230\u5c06MVC\u548cMVP\u7406\u6e05\u7684\u6587\u7ae0\uff0c\u4ece\u5b9e\u73b0\u89d2\u5ea6\u5176\u5b9e\u51e0\u5341\u5e74\u524d\u82f9\u679c\u7528\u4e8e\u5f00\u53d1Mac OS X\u7684<a href=\"https:\/\/developer.apple.com\/library\/mac\/documentation\/Cocoa\/Conceptual\/CocoaBindings\/CocoaBindings.html\">Cocoa Bindings<\/a>\u6280\u672f\u5df2\u91c7\u7528\u4e86\u7c7b\u4f3c\u7684\u8bbe\u8ba1\uff0c\u5e76\u4e14Objective-C\u8bed\u8a00\u7684Key-Value Coding\u548cKey-Value Observing\u673a\u5236\uff0c\u52a0\u4e0aXCode\u5de5\u5177\u7684\u53ef\u89c6\u5316\u652f\u6301\uff0c\u53ef\u4ee5\u8bf4\u591a\u5e74\u6765\u65e9\u5df2\u8ba9\u4f17\u591a\u5f00\u53d1\u8005\u4e0d\u77e5\u4e0d\u89c9\u5728\u4eab\u53d7\u8fd9\u4e9b\u8bbe\u8ba1\u6a21\u578b\u80fd\u5e26\u6765\u7684\u5f00\u53d1\u529b\u3002Java\u7684Swing\u754c\u9762\u4e00\u76f4\u9971\u53d7\u8bdf\u75c5\uff0c\u4f46\u5176\u5b9e\u5f88\u65e9\u5c31\u6709<a href=\"http:\/\/www.jgoodies.com\/freeware\/libraries\/binding\/\">JGoodies<\/a>\u8fd9\u6837\u4f18\u79c0\u9879\u76ee\uff0cSwing\u672c\u5c31\u4e0d\u7b97\u5927\u4f17\uff0c\u4e86\u89e3JGoodies\u66f4\u662f\u5c0f\u4f17\uff0c\u800c\u66f4\u5c11\u4eba\u4e86\u89e3<a href=\"http:\/\/www.jgoodies.com\/freeware\/libraries\/binding\/\">JGoodies Binding<\/a>\u8fd9\u591a\u5e74\u524d\u5c31\u5b9e\u73b0\u5f97\u975e\u5e38\u4e0d\u9519\u7684MVP\u67b6\u6784\u5c01\u88c5\uff0c\u6709\u5174\u8da3\u7684\u8bfb\u8005\u53ef\u770b\u770bJGoodies\u8fd9\u7bc706\u5e74\u7684<a href=\"http:\/\/www.jgoodies.com\/download\/presentations\/patterns-and-binding.pdf\">PPT\u300aDesktop Patterns and Data Binding\u300b<\/a>\u3002<\/p>\n<p>Adobe\u7684Flex\u548c\u5fae\u8f6f\u7684Silverlight\/WPF\u672c\u88ab\u4e1a\u754c\u5bc4\u4e88\u539a\u671b\uff0c\u6ca1\u60f3\u8fd9\u54e5\u4fe9\u5982\u5306\u5306\u8fc7\u5ba2\u88ab\u8001\u4e1c\u5bb6\u629b\u5f03\u4e86\uff0c\u4f46\u4ed6\u4eec\u8fd8\u662f\u63a8\u52a8\u4e86MVP\u548cMVVM\u8bbe\u8ba1\u6a21\u5f0f\u7684\u666e\u53ca\uff0c\u5982\u4ecaHTML5\u9886\u57df\u7684KnockoutJS\u3001Backbone.js\u3001AngularJS\u3001PureMVC\u3001Ember.js\u7b49\u4f17\u591aMV*\u6846\u67b6\u5982\u679c\u96e8\u540e\u6625\u7b0b\u822c\u5d1b\u8d77\uff0c\u751a\u81f3\u9700\u8981\u6709\u4eba\u4e13\u95e8\u7ef4\u62a4\u4e2a<a href=\"http:\/\/todomvc.com\/\">TodoMVC<\/a>\u7684\u7f51\u7ad9\u6765\uff1aHelping you select an MV* framework\uff01<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u672c\u8eab\u4e5f\u662f\u4e00\u5957MV*\u7684\u6846\u67b6\uff0c\u4f46\u6211\u4eec\u57f9\u8bad\u5ba2\u6237\u65f6\u5f88\u5c11\u8fc7\u7ec6\u8ba8\u8bba\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5728\u6211\u770b\u6765\u597d\u7684\u7ec4\u4ef6\u5c01\u88c5\u5e94\u8be5\u4e0d\u5fc5\u8ba9\u7528\u6237\u7ea0\u7ed3\u4e8e\u4f60\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u7528\u6237\u51e0\u4e2a\u6708\u4e0d\u7528\u4f60\u7684\u6846\u67b6\u540e\uff0c\u4f9d\u7136\u80fd\u5feb\u901f\u4e0a\u624b\u4e0d\u5fc5\u6709\u4e00\u4e2a\u91cd\u5199\u5b66\u4e60\u7684\u8fc7\u7a0b\uff0c\u8fd9\u662f\u6211\u4eec\u6700\u6c42\u7684\u7406\u60f3\u6846\u67b6\uff0c\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u8bf4\u76ee\u524d\u5f88\u5c11\u6709\u56fe\u5f62\u6846\u67b6\u80fd\u8ba9\u6211\u4eec\u6ee1\u610f\uff0c\u76f8\u4fe1\u5f88\u591a\u4eba\u6709\u7c7b\u4f3c\u75db\u82e6\u7684\u7ecf\u5386\uff0c\u4e00\u6bb5\u65f6\u95f4\u4e0d\u7528\u67d0\u5957\u6846\u67b6\u540e\uff0c\u8981\u7528\u65f6\u5b8c\u5168\u5fd8\u8bb0\u5982\u4f55\u5165\u624b\uff0cSwing\u8001\u624b\u4e0d\u770b\u8001\u4ee3\u7801\u4e0d\u77e5\u5982\u4f55\u5bf9JTree\u548cJTable\u6dfb\u52a0\u6570\u636e\uff0cFlex\u8001\u624b\u4e00\u4e0b\u5b50\u60f3\u4e0d\u8d77\u6765invalidateProperties\uff0cinvalidateSize\u548c invalidateDisplayList\u8fd9\u51e0\u4e2a\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u5fc5\u638c\u63e1\u51fd\u6570\u7684\u7ec6\u8282\uff0cSL\/WPF\u8001\u624b\u60f3\u4e0d\u8d77\u6765\u5b9a\u4e49\u4e00\u4e2aDependencyProperty\u5c5e\u6027\u9664\u4e86AffectsRenderer\u548cAffectsMeasure\u8fd8\u6709\u591a\u5c11\u8981\u8003\u8651\u7684\u56e0\u7d20\uff0c\u4e0a\u6bb5\u63d0\u5230\u7684\u4e00\u5806\u65b0\u5174\u7684HTML5\u754cMV*\u6846\u67b6\uff0c\u76f8\u4fe1\u66f4\u5c11\u6709\u4eba\u6562\u8bf4\u719f\u7ec3\u7cbe\u901a\uff0c\u4f60\u53ef\u80fd\u5728\u67d0\u4e2a\u9879\u76ee\u4e2d\u7528\u4e86\u597d\u51e0\u4e2a\u6708\u751a\u81f3\u4e00\u4e24\u5e74\uff0c\u4f46\u4e00\u6bb5\u65f6\u95f4\u4e0d\u7528\u4f60\u5f88\u5bb9\u6613\u5fd8\u8bb0\uff0c\u56e0\u6b64\u5bf9\u558a\u51fa\u7cbe\u901a\u7f3a\u4e4f\u52c7\u6c14\u4e86\uff0c\u6211\u89c9\u5f97\u8fd9\u4e0d\u662f\u5927\u5bb6\u4e0d\u806a\u660e\u4e0d\u52e4\u594b\uff0c\u800c\u662f\u76ee\u524d\u7684\u8fd9\u4e9b\u6846\u67b6\u771f\u8fd8\u6ca1\u505a\u5230\u8db3\u591f\u597d\uff0c\u6211\u4eec\u4e00\u76f4\u52aa\u529b\u8ba9<a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u671d\u6211\u4eec\u89c9\u5f97\u6ee1\u610f\u7684\u65b9\u5411\u53d1\u5c55\uff0c\u4ee5\u540e\u6587\u7ae0\u6211\u518d\u5c55\u5f00\u8ba8\u8bba<a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u5982\u4f55\u8bbe\u8ba1\u8ba9\u7528\u6237\u4e0d\u5065\u5fd8\u7684API\u63a5\u53e3\u3002<\/p>\n<p>\u56de\u5230\u4eca\u5929\u6a21\u578b-\u89c6\u56fe-\u4e8b\u4ef6\u7684\u8bdd\u9898\uff0cData\u548cView\u5206\u79bb\u540e\u5fc5\u7136\u9700\u8981\u6709Event\u4e8b\u4ef6\u7684\u76d1\u542c\u548c\u6d3e\u53d1\u673a\u5236\u6765\u5efa\u7acb\u8d77\u6570\u636e\u7ed1\u5b9a\uff0c\u6211\u63a7\u5236\u6b32\u6bd4\u8f83\u5f3a\u4e0d\u662f\u5f88\u559c\u6b22AngularJS\u90a3\u79cddirty checking\u7684\u673a\u5236\uff0c\u6709\u4e8b\u4ef6\u53d8\u5316\u6211\u5e0c\u671b\u9a6c\u4e0a\u88ab\u901a\u77e5\u5230\uff0c\u505a\u6211\u8be5\u505a\u7684\u5904\u7406\uff0c\u81f3\u4e8e\u6709\u4eba\u62c5\u5fc3\u6027\u80fd\u95ee\u9898\u90a3\u662f\u591a\u8651\u4e86\uff0c\u56fe\u5f62\u7ec4\u4ef6\u53d1\u5c55\u8fd9\u4e48\u591a\u5e74\u5df2\u79ef\u7d2f\u65e0\u6570\u6210\u719f\u6280\u5de7\u6765\u89c4\u907f\u4e8b\u4ef6\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<p>\u6027\u80fd\u95ee\u9898\u5012\u4e0d\u7528\u62c5\u5fc3\uff0c\u6bd5\u7adf\u8fd9\u65b9\u9762\u4efb\u52a1\u5927\u90e8\u5206\u60c5\u51b5\u90fd\u662f\u4ea4\u7531\u6846\u67b6\u5b9e\u73b0\u8005\u53bb\u8003\u8651\uff0c\u4f46\u4e0d\u9700\u8981\u7528\u6237\u6df1\u5165\u4e86\u89e3\u6846\u67b6\u7684\u5b9e\u73b0\u7ec6\u8282\uff0c\u5e76\u4e0d\u610f\u5473\u7740\u7528\u6237\u53ef\u4ee5\u5b8c\u5168\u4e0d\u5173\u7cfb\u57fa\u672c\u67b6\u6784\u8109\u7edc\uff0c\u6846\u67b6\u5e94\u7528\u8005\u8fd8\u662f\u6709\u5fc5\u8981\u4e86\u89e3\u6a21\u578b-\u89c6\u56fe-\u4e8b\u4ef6\u4e4b\u95f4\u7684\u5f15\u7528\u5173\u8054\u5173\u7cfb\uff0c\u5426\u5219\u5bb9\u6613\u51fa\u73b0\u5185\u5b58\u6cc4\u9732\u7684\u95ee\u9898\uff0c\u4ee5\u524d\u7ecf\u5386\u8fc7\u4e00\u4e2a\u5ba2\u6237\u56e2\u961f\u8bbe\u8ba1\u7684\u5ba2\u6237\u7aef\u6846\u67b6\uff0c\u53ef\u7ba1\u7406\u6240\u6709\u754c\u9762\u7684\u7a97\u53e3\uff0c\u7ed3\u679c\u51fa\u73b0\u603b\u662fOOM\u7684\u5185\u5b58\u6ea2\u51fa\uff0c\u5e2e\u4ed6\u4eec\u68c0\u67e5\u540e\u53d1\u73b0\uff0c\u4ed6\u4eec\u6709\u4e2a\u5168\u5c40\u7684WindowManager\u5bf9\u8c61\uff0c\u5728\u6bcf\u4e2a\u7a97\u53e3\u521b\u5efa\u65f6\u90fd\u4f1a\u6dfb\u52a0\u5bf9\u7a97\u53e3\u7684\u5f15\u7528\uff0c\u8fd9\u6837\u56fa\u7136\u8c8c\u4f3c\u5f88\u5f3a\u5927\uff0c\u5168\u5c40\u90fd\u53ef\u4ee5\u63a7\u5236\u6240\u6709\u754c\u9762\u7a97\u53e3\uff0c\u4f46\u56e0\u4e3a\u7edd\u5927\u591a\u6570\u5f00\u53d1\u4eba\u5458\uff0c\u4e0d\u4f1a\u5728\u7a97\u53e3\u5173\u95ed\u8981\u9500\u6bc1\u65f6\u4e3b\u52a8\u53bb\u5220\u9664\u5168\u5c40WindowManager\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u8fdb\u800c\u5bfc\u81f4\u4e86\u6240\u6709\u7a97\u53e3\u90fd\u80fd\u88ab\u5168\u5c40\u5bf9\u8c61\u5f15\u7528\u5230\u800c\u65e0\u6cd5\u5783\u573e\u56de\u6536\uff0c\u56e0\u6b64\u6846\u67b6\u7684\u4f7f\u7528\u8005\u8fd8\u662f\u6709\u5fc5\u8981\u591a\u6846\u67b6\u7684\u673a\u5236\u6709\u6240\u4e86\u89e3\u624d\u80fd\u907f\u514d\u8fd9\u7c7b\u7684\u5185\u5b58\u6cc4\u9732\u95ee\u9898\u3002<\/p>\n<p>\u5f88\u591a\u60c5\u51b5\u4e0b\u5185\u5b58\u6cc4\u9732\u4e0d\u662f\u957f\u671f\u7684\u8fd0\u884c\u4e5f\u5f88\u96be\u53d1\u89c9\uff0c\u4f46\u5bf9\u4e8e<a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u7684Graph3dView\u8fd9\u79cd\u57fa\u4e8eWebGL\u76843D\u7ec4\u4ef6\u95ee\u9898\u5c24\u4e3a\u660e\u663e\uff0c\u56e0\u4e3a\u5927\u90e8\u5206\u6d4f\u89c8\u5668\u5bf9\u5355\u4e2a\u9875\u9762\u80fd\u8fd0\u884c\u7684WebGL\u4e0a\u4e0b\u6587\u662f\u6709\u9650\u5236\u7684\uff0c\u4f8b\u5982PC\u4e0a\u7684chrome\u6216firefox\u4e5f\u5c31\u8fd0\u884c\u5341\u4e94\u516d\u4e2a\uff0c\u624b\u673a\u5e73\u677f\u7b49\u79fb\u52a8\u7ec8\u7aef\u4f1a\u66f4\u53d7\u9650\uff0c\u56e0\u6b64\u5982\u679c\u51fa\u73b0\u5185\u5b58\u6cc4\u9732\u8001\u7684\u4e0a\u4e0b\u6587\u6ca1\u5173\u95ed\uff0c\u8d85\u8d8a\u4e0a\u9650\u65f6\u5c31\u4f1a\u51fa\u73b0\u7c7b\u578b&#8221;Too many active WebGL contexts. Oldest context will be lost.&#8221;\u7684\u5f02\u5e38\u3002<\/p>\n<p>\u4ee5\u4e0b\u6211\u5bf9\u300aHT\u5165\u95e8\u624b\u518c\u300b\u7684\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u505a\u4e2a\u6269\u5c55\uff0c\u5bf9\u5de5\u5177\u6761\u589e\u52a0\u4e86\u5982\u4e0b\u4ee3\u7801\u903b\u8f91\u7684\u4e09\u4e2a\u6309\u94ae\uff0c\u7b2c\u4e00\u4e2a\u6309\u94ae\u4e00\u4e0b\u5b50\u521b\u5efa\u4e8620\u4e2a\u65b0\u7684Tab\u9875\uff0c\u6bcf\u4e2aTab\u9875\u5305\u542b\u4e00\u4e2aGraph3dView\u7ec4\u4ef6\uff0c\u53e6\u5916\u4e24\u4e2a\u6309\u94ae\u5b9e\u73b0\u5220\u9664\u90e8\u5206\u9875\u7b7e\u7684\u529f\u80fd\u3002<\/p>\n<pre class=\"&quot;brush:javascript\u201d\">{\r\n\tlabel: 'Create 20',\r\n\taction: function(){                             \r\n\t\tfor(var i=0;i&lt;20;i++){  \r\n\t\t\tvar tab = new ht.Tab();\r\n\t\t\ttab.setName('tab-'+i);\r\n\t\t\ttab.setClosable(true);                                \r\n\t\t\ttabView.getTabModel().add(tab);    \r\n\t\t\tvar g3d = new ht.graph3d.Graph3dView(dataModel);\r\n\t\t\tg3d.name = 'g3d-' + i;\r\n\t\t\twindow['g3d-' + i] = g3d;\r\n\t\t\ttab.setView(g3d);\r\n\t\t}                            \r\n\t}\r\n},  \r\n{\r\n\tlabel: 'Destroy 5',\r\n\taction: function(){           \r\n\t\tvar emptyModel = new ht.DataModel();\r\n\t\ttabView.remove('tab-5');\r\n\t\twindow['g3d-5'].setDataModel(emptyModel);\r\n\t\tdelete window['g3d-5'];  \r\n\t\tthis.disabled = true;\r\n\t}\r\n},\r\n{\r\n\tlabel: 'Destroy 6-10',\r\n\taction: function(){    \r\n\t\tfor(var i=6; i&lt;=10; i++){\r\n\t\t\ttabView.remove('tab-' + i);\r\n\t\t\tvar emptyModel = new ht.DataModel();\r\n\t\t\twindow['g3d-' + i].setDataModel(emptyModel);\r\n\t\t\tdelete window['g3d-' + i];                                \r\n\t\t} \r\n\t\tthis.disabled = true;\r\n\t}\r\n}<\/pre>\n<p>\u70b9\u51fb\u521b\u5efa20\u4e2a\u9875\u7b7e\u7684\u6309\u94ae\u5206\u522b\u6253\u5f00\u9875\u7b7e\u4e4b\u540e\u7cfb\u7edf\u7684\u5185\u5b58\u5bf9\u8c61\u5f15\u7528\u5173\u7cfb\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-204\" alt=\"Screen Shot 2014-08-15 at 9.46.17 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM.png\" width=\"940\" height=\"577\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM.png 940w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM-300x184.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM-200x122.png 200w\" sizes=\"(max-width: 940px) 100vw, 940px\" \/><\/a><\/p>\n<p>\u56e0\u4e3adataModel\u4f5c\u4e3a\u5168\u5c40\u5bf9\u8c61\u88abwindow\u5e94\u7528\u7740\uff0c\u800c\u4e14\u5176\u4ed6\u65b0\u521b\u5efa\u7684\u9875\u7b7e\u4e2d\u7684Graph3dView\u90fd\u7ed1\u5b9a\u4e86\u8be5\u6570\u636e\u6a21\u578b\uff0c\u6846\u67b6\u4f7f\u7528\u8005\u5e94\u8be5\u4e86\u89e3\uff0c\u5404\u79cd\u7ec4\u4ef6\u90fd\u5bf9dataModel\u6570\u636e\u6a21\u578b\u6dfb\u52a0\u4e86\u4e8b\u4ef6\u76d1\u542c\uff0c\u5176\u5b9e\u6570\u636e\u6a21\u578b\u5e76\u4e0d\u77e5\u9053\u5404\u79cdView\u7684\u5b58\u5728\uff0c\u6570\u636e\u6a21\u578b\u4ec5\u9075\u5faa\u6709\u6570\u636e\u53d8\u5316\u540e\u5c06\u4e8b\u4ef6\u6b63\u786e\u7684\u6d3e\u53d1\u7ed9\u6240\u6709\u6d88\u8d39\u8005\uff0c\u800c\u8fd920\u4e2aGraph3dView\u5c31\u662f\u5176\u4e2d\u7684\u6d88\u8d39\u8005\uff0c\u800cGraph3dView\u4e2d\u6bcf\u4e2a\u6709\u90fd\u6709\u4e00\u4e2aWebGL\u7684context\u4e0a\u4e0b\u6587\uff0c\u56e0\u800c\u5f62\u6210\u4e86\u4e00\u6761\u4ece\u5168\u5c40window\u5230dataModel\u6570\u636e\u6a21\u578b\uff0c\u518d\u5230Graph3dView\u7ec4\u4ef6\uff0c\u6700\u540e\u5230WebGL\u4e0a\u4e0b\u6587\u7684\u5f15\u7528\u5173\u7cfb\u7f51\uff0c\u8fd9\u6837\u81ea\u7136\u5982\u679c\u6211\u4eec\u4e0d\u4e3b\u52a8\u65ad\u5f00\u8fd9\u4e2a\u5173\u7cfb\uff0c\u54ea\u6015Tab\u9875\u7b7e\u88ab\u5173\u95ed\u9500\u6bc1\uff0cGraph3dView\u4f9d\u7136\u8fd8\u4f1a\u5b58\u5728\u7cfb\u7edf\u5185\u5b58\u7684\u95ee\u9898\uff08\u8fd9\u4e2a\u4f8b\u5b50\u6211\u4eec\u4e3a\u4e86\u6d4b\u8bd5\u65b9\u4fbf\u5176\u5b9e\u8fd8\u5728window\u4e0a\u76f4\u63a5\u5f15\u7528\u4e86Tab\u548cGraph3dView\u5bf9\u8c61\uff09\u3002<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-205\" alt=\"Screen Shot 2014-08-15 at 10.12.59 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM.png\" width=\"983\" height=\"651\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM.png 983w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM-300x198.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM-200x132.png 200w\" sizes=\"(max-width: 983px) 100vw, 983px\" \/><\/a><br \/>\n<iframe loading=\"lazy\" src=\"http:\/\/player.youku.com\/embed\/XNzU2MzYzODA4\" height=\"498\" width=\"510\" allowfullscreen=\"\" frameborder=\"0\"><\/iframe><br \/>\n\u56e0\u6b64\u7531<a href=\"http:\/\/v.youku.com\/v_show\/id_XNzU2MzYzODA4.html\">\u4ee5\u4e0a\u89c6\u9891<\/a>\u4f60\u4f1a\u53d1\u73b0\u5728chrome\u4e0b\u5f53\u70b9\u51fb\u5230\u7b2c16\u4e2a\u5305\u542bGraph3dView\u7684\u9875\u7b7e\u540e\u5c31\u51fa\u73b0\u4e86&#8221;Too many active WebGL contexts. Oldest context will be lost.&#8221;\u7684\u5f02\u5e38\uff0c\u5728WebGL\u4e2d\u53ef\u901a\u8fc7\u5bf9Canvas\u6dfb\u52a0webglcontextlost\u7684\u4e8b\u4ef6\u76d1\u542c\u53ef\u5224\u65ad\u81ea\u5df1\u7684\u4e0a\u4e0b\u6587\u88ab\u9500\u6bc1\u4e86\uff0c\u5e76\u53ef\u901a\u8fc7\u6dfb\u52a0webglcontextrestored\u7684\u4e8b\u4ef6\u76d1\u542c\u5728\u6d4f\u89c8\u5668\u8d44\u6e90\u8db3\u591f\u65f6\u91cd\u65b0\u8fdb\u884c\u6062\u590d\u3002<\/p>\n<p>\u5728\u6211\u4eec\u8fd9\u4e2a\u6848\u4f8b\u4e2d\u8981\u8ba9\u7cfb\u7edf\u8d44\u6e90\u6062\u590d\uff0c\u6211\u4eec\u5fc5\u987b\u8ba9\u8fc7\u591a\u7684Tab\u9875\u7b7e\u4e2d\u7684Graph3dView\u88ab\u5f7b\u5e95\u56de\u6536\uff0c\u56e0\u6b64\u5de5\u5177\u6761\u4e0a\u7684\u53e6\u5916\u4e24\u4e2a\u6309\u94ae\u4ece\u4ee3\u7801\u903b\u8f91\u53ef\u77e5\uff0c\u6211\u4eec\u5c06Graph3dView\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u65b0\u7684\u7a7a\u5f97DataModel\u6570\u636e\u6a21\u578b\uff0c\u4f7f\u5176\u65ad\u5f00\u4e86\u548c\u5168\u5c40window.dataModel\u7684\u5f15\u7528\uff0c\u5f53\u7136Tab\u9875\u7b7e\u4e5f\u5f97\u5220\u9664\uff0c\u4ece<a href=\"http:\/\/v.youku.com\/v_show\/id_XNzU2MzYzODA4.html\">\u4ee5\u4e0a\u89c6\u9891<\/a>\u4e2d\u4e5f\u53ef\u4ee5\u770b\u5f97\u51fa\u5f53\u6211\u4eec\u9500\u6bc1\u4e86\u90e8\u5206Tab\u9875\u7b7e\u540e\u5c31\u80fd\u5f97\u5230webglcontextrestored\u7684\u4e8b\u4ef6\u6062\u590d\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a&#8221;HT for 3D Web&#8221;\u7684\u9875\u7b7e\u7ecf\u5386\u4e86webglcontextlost\u548cwebglcontextrestored\u7684\u8fc7\u7a0b\u3002<\/p>\n<p>\u542f\u52a8\u521d\u59cb\u5316\u65f6\u53ea\u6709&#8221;HT for 3D Web&#8221;\u7684\u7b2c\u4e00\u4e2a\u9875\u7b7e\uff0c\u56e0\u6b64\u901a\u8fc7Chrome\u7684Debug Profiles\u53ef\u67e5\u770b\u5230ht.graph3d.Graph3dView\u7684Objects Count\u9879\u53ea\u67091\uff0c\u901a\u8fc7Profiles\u7684Retainers\u6211\u4eec\u8fd8\u53ef\u4ee5\u6e05\u695a\u7684\u638c\u63e1\u76ee\u524d\u8fbe\u5230\u90a3\u4e9b\u5bf9\u8c61\u5f15\u7528\u4e86Graph3dView\u5bf9\u8c61\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-206\" alt=\"Screen Shot 2014-08-15 at 10.11.31 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM.png\" width=\"983\" height=\"414\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM.png 983w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM-300x126.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM-200x84.png 200w\" sizes=\"(max-width: 983px) 100vw, 983px\" \/><\/a><\/p>\n<p>\u5f53\u70b9\u51fb\u6784\u5efa20\u4e2a\u9875\u7b7e\u6309\u94ae\u540e\uff0cProfiles\u80fd\u770b\u5230Objects Count\u4e3a21\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-207\" alt=\"Screen Shot 2014-08-15 at 10.11.50 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM.png\" width=\"985\" height=\"412\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM.png 985w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM-300x125.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM-200x83.png 200w\" sizes=\"(max-width: 985px) 100vw, 985px\" \/><\/a><\/p>\n<p>\u5f53\u6211\u4eec\u70b9\u51fb\u4e24\u4e2a\u5220\u9664\u6309\u94ae\u9500\u6bc16\u4e2aTab\u9875\u7b7e\u540e\u53d1\u73b0\uff0cObjects Count\u4e0b\u964d\u5230\u4e8615\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-208\" alt=\"Screen Shot 2014-08-15 at 10.12.23 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM.png\" width=\"985\" height=\"415\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM.png 985w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM-300x126.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM-200x84.png 200w\" sizes=\"(max-width: 985px) 100vw, 985px\" \/><\/a><\/p>\n<p>\u6700\u540e\u53ef\u4ee5\u53d1\u73b0\u7b2c\u4e00\u4e2aHT for 3D Web\u7684\u9875\u7b7e\u6d74\u706b\u91cd\u751f\u4e86<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-209\" alt=\"Screen Shot 2014-08-15 at 10.13.47 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM.png\" width=\"987\" height=\"810\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM.png 987w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM-300x246.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM-200x164.png 200w\" sizes=\"(max-width: 987px) 100vw, 987px\" \/><\/a><\/p>\n<p>\u8fd9\u4e2a\u6848\u4f8b\u53ea\u662f\u4e3a\u4e86\u6d4b\u8bd5\u65b9\u4fbf\u56e0\u6b64\u5c06dataModel\u5bf9\u8c61\u4f5c\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u6240\u4ee5\u5f15\u53d1\u4e86\u4e00\u4e9b\u5217\u5185\u5b58\u6cc4\u9732\u7684\u8d44\u6e90\u4e0d\u8db3\u95ee\u9898\uff0c\u4e00\u822c\u9879\u76ee\u5e94\u7528\u4e2d\u4e0d\u7528\u7684\u7ec4\u4ef6\u4e0d\u9700\u8981\u8003\u8651\u8fd9\u4e48\u590d\u6742\uff0c\u4f8b\u5982\u8fd8\u9700\u8981\u65ad\u5f00dataModel\u5f15\u7528\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u5e38\u89c4\u5e94\u7528\u573a\u666f\u4e2d\u4f8b\u5982\u4e00\u4e2a\u5bf9\u8bdd\u6846\u6253\u5f00\u540e\uff0c\u4e00\u822c\u6570\u636e\u6a21\u578b\u548c\u89c6\u56fe\u7ec4\u4ef6\u90fd\u5728\u8fd9\u4e2a\u5bf9\u8bdd\u6846\u8303\u56f4\u5185\u76f8\u4e92\u5f15\u7528\uff0c\u53ea\u8981\u786e\u4fdd\u4e0d\u51fa\u73b0\u4e0a\u6587\u63d0\u5230\u7684\u6709\u5168\u5c40\u5f15\u7528\u80fd\u5f71\u54cd\u8fd9\u4e2a\u5bf9\u8bdd\u6846\u5185\u7684\u67d0\u4e2a\u5bf9\u8c61\uff0c\u90a3\u4e48\u4f60\u5728\u4f7f\u7528\u5b8c\u8be5\u5bf9\u8bdd\u6846\u540e\u4e0d\u9700\u8981\u505a\u4efb\u4f55\u5904\u7406\uff0c\u90a3\u4e00\u5806\u7684\u5bf9\u8c61\u54ea\u6015\u4ed6\u4eec\u4e4b\u95f4\u5f15\u7528\u518d\u590d\u6742\u751a\u81f3\u4e92\u76f8\u5e94\u7528\uff0c\u53cd\u6b63\u6ca1\u6709\u5168\u5c40\u5bf9\u8c61\u80fd\u591f\u518d\u5f15\u7528\u5230\u4ed6\u4eec\uff0c\u4ed6\u4eec\u7edf\u7edf\u90fd\u4f1a\u88ab\u9500\u6bc1\u3002<\/p>\n<p>\u603b\u7ed3\u4e0b\u672c\u7bc7\u7684\u4e24\u4e2a\u89c2\u70b9\uff1a<\/p>\n<p>1\u3001\u518d\u597d\u7684\u5c01\u88c5\u8bbe\u8ba1\u4e5f\u9700\u8981\u4f7f\u7528\u8005\u638c\u63e1\u57fa\u672c\u7684\u67b6\u6784\u8109\u7edc\uff0c\u5c31\u50cf\u518d\u597d\u7684\u8f66\u4f60\u4e5f\u5f97\u5b66\u4f1a\u5f00\u5b66\u4f1a\u57fa\u672c\u7684\u4fdd\u517b\uff0c\u4ec0\u4e48\u90fd\u4e0d\u5b66\u7684\u8bdd\uff0c\u518d\u597d\u7684\u6846\u67b6\u4e5f\u4f1a\u50cf\u597d\u8f66\u4e00\u6837\u88ab\u4f60\u5f00\u574f<\/p>\n<p>2\u3001\u4e0d\u8981\u60e7\u6015MV*\u7684\u4e8b\u4ef6\u548c\u5f15\u7528\u5173\u7cfb\uff0c\u7406\u6e05\u4e8b\u4ef6\u673a\u5236\u548c\u5bf9\u8c61\u5f15\u7528\u5173\u7cfb\u540e\uff0c\u4f60\u53ef\u4ee5\u7cbe\u786e\u638c\u63a7\u4efb\u4f55\u65f6\u523b\u7684\u4efb\u4f55\u5185\u90e8\u7ec6\u8282\uff0c\u8fd9\u70b9\u4e3b\u8981\u9488\u5bf9\u8bbe\u8ba1\u6846\u67b6\u8005\u800c\u8a00\uff0c\u4f7f\u7528\u8005\u5e94\u8be5\u5927\u80c6\u7684\u62e5\u62b1MV*\u7684\u6846\u67b6\uff0c\u6027\u80fd\u548c\u5404\u79cd\u6f5c\u5728\u7684\u5185\u5b58\u95ee\u9898\u653e\u5fc3\u7684\u4ea4\u7ed9\u6846\u67b6\u53bb\u89e3\u51b3<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"http:\/\/www.hightopo.com\/blog\/194.html\">\u4e0a\u7bc7<\/a>\u6211\u4eec\u901a\u8fc7\u5b9a\u5236\u4e86CPU\u548c\u5185\u5b58\u5c55\u793a\u754c\u9762\uff0c\u4f53\u9a8c\u4e86<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u901a\u8fc7\u5b9a\u4e49\u77e2\u91cf\u5b9e\u73b0\u56fe\u5f62\u7ed8\u5236\u4e0e\u4e1a\u52a1\u6570\u636e\u7684\u4ee3\u7801\u89e3\u8026\u53ca\u7ed1\u5b9a\u8054\u52a8\uff0c\u8fd9\u7c7b\u6848\u4f8b\u540e\u7eed\u6587\u7ae0\u8fd8\u4f1a\u7ee7\u7eed\u4ee5\u4fbf\u5927\u5bb6\u638c\u63e1\u66f4\u591a\u7684\u77e2\u91cf\u5e94\u7528\u573a\u666f\uff0c\u672c\u7bc7\u6211\u4eec\u5148\u5207\u6362\u4e2a\u8bdd\u9898\uff0c\u8c08\u8c08\u6a21\u578b-\u89c6\u56fe-\u4e8b\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n<p>\u56fe\u5f62\u7ec4\u4ef6\u8bbe\u8ba1\u67b6\u6784\u4e0a\u4e3b\u8981\u5c31\u662f\u5728\u89c4\u5212Data\u6a21\u578b\uff0cView\u89c6\u56fe\u548cEvent\u4e8b\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u8fd9\u4e9b\u5e74\u4e1a\u754c\u9010\u6e10\u5c06\u5404\u79cdGUI\u8bbe\u8ba1\u6a21\u5f0f\u63d0\u70bc\u6210\u7406\u8bba\u5f52\u7c7b\uff0cMVC\u3001MVP\u548cMVVM\u7684\u4e3b\u8981\u5927\u7c7b\u5e38\u88ab\u7edf\u79f0\u4e3aMV*\uff0c\u6709\u5f88\u591a\u6587\u7ae0\u8fdb\u884c\u5404\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u7684\u5b9a\u4e49\u548c\u6bd4\u8f83\uff0c\u672c\u7bc7\u4e0d\u6253\u7b97\u6df1\u5165\u5c55\u5f00\u7406\u8bba\u7684\u8ba8\u8bba\uff0c\u4e0d\u540c\u56fe\u5f62\u7ec4\u4ef6\u8bbe\u8ba1\u67b6\u6784\u90fd\u4f1a\u6709\u5f88\u591a\u5dee\u5f02\uff0c\u6301\u7eed\u53d1\u5c55\u7684\u7ec4\u4ef6\u5176\u5b9e\u6bcf\u65f6\u6bcf\u523b\u90fd\u5728\u8fdb\u884c\u7740\u5404\u79cd\u8bbe\u8ba1\u4e0a\u7684\u6539\u8fdb\uff0c\u76f8\u4fe1\u6709\u5f88\u591a\u4e0d\u9519\u7684\u7ec4\u4ef6\u5df2\u7ecf\u521b\u65b0\u51fa\u4e86\u66f4\u591a\u65b0\u7684\u66f4\u5b9e\u7528\u7684\u8bbe\u8ba1\u6a21\u578b\uff0c\u53ea\u4e0d\u8fc7\u8fd8\u672a\u88ab\u63d0\u70bc\u5230\u7406\u8bba\u9ad8\u5ea6\u8fdb\u884c\u5f52\u7c7b\u8ba9\u4e16\u4eba\u77e5\u6653\uff0c\u56e0\u6b64\u8fc7\u7ec6\u53bb\u5b9a\u4e49\u4ec0\u4e48\u662fP\uff0c\u4ec0\u4e48\u662fVM\uff0c\u54ea\u4e2a\u529f\u80fd\u5e94\u8be5\u5199\u5728\u54ea\u4e2a\u90e8\u5206\u624d\u7b97\u5408\u7406\u6211\u89c9\u5f97\u662f\u6ca1\u592a\u5927\u610f\u4e49\u7684\uff0c\u53ea\u8981\u4e0d\u65ad\u6539\u8fdb\u4ea7\u54c1\uff0c\u56e2\u961f\u80fd\u66f4\u597d\u7ef4\u62a4\u6269\u5c55\uff0c\u7528\u6237\u6613\u5b66\u6613\u7528\u5c31\u591f\u4e86\uff0c\u7406\u8bba\u9ad8\u5ea6\u7559\u7ed9<a href=\"http:\/\/martinfowler.com\/\">Martin Fowler<\/a>\u8fd9\u7c7b\u795e\u7ea7\u5927\u5e08\u53bb\u5b9a\u4e49\u3002<\/p>\n<p>\u63d0\u5230<a href=\"http:\/\/martinfowler.com\/\">Martin Fowler<\/a>\u56e0\u4e3a\u4ed6\u7684\u300a<a href=\"http:\/\/martinfowler.com\/eaaDev\/uiArchs.html\">GUI Architectures<\/a>\u300b\u548c\u300a<a href=\"http:\/\/martinfowler.com\/eaaDev\/PresentationModel.html\">Presentation Model<\/a>\u300b\u662f\u6211\u8f83\u65e9\u89c1\u5230\u5c06MVC\u548cMVP\u7406\u6e05\u7684\u6587\u7ae0\uff0c\u4ece\u5b9e\u73b0\u89d2\u5ea6\u5176\u5b9e\u51e0\u5341\u5e74\u524d\u82f9\u679c\u7528\u4e8e\u5f00\u53d1Mac OS X\u7684<a href=\"https:\/\/developer.apple.com\/library\/mac\/documentation\/Cocoa\/Conceptual\/CocoaBindings\/CocoaBindings.html\">Cocoa Bindings<\/a>\u6280\u672f\u5df2\u91c7\u7528\u4e86\u7c7b\u4f3c\u7684\u8bbe\u8ba1\uff0c\u5e76\u4e14Objective-C\u8bed\u8a00\u7684Key-Value Coding\u548cKey-Value Observing\u673a\u5236\uff0c\u52a0\u4e0aXCode\u5de5\u5177\u7684\u53ef\u89c6\u5316\u652f\u6301\uff0c\u53ef\u4ee5\u8bf4\u591a\u5e74\u6765\u65e9\u5df2\u8ba9\u4f17\u591a\u5f00\u53d1\u8005\u4e0d\u77e5\u4e0d\u89c9\u5728\u4eab\u53d7\u8fd9\u4e9b\u8bbe\u8ba1\u6a21\u578b\u80fd\u5e26\u6765\u7684\u5f00\u53d1\u529b\u3002Java\u7684Swing\u754c\u9762\u4e00\u76f4\u9971\u53d7\u8bdf\u75c5\uff0c\u4f46\u5176\u5b9e\u5f88\u65e9\u5c31\u6709<a href=\"http:\/\/www.jgoodies.com\/freeware\/libraries\/binding\/\">JGoodies<\/a>\u8fd9\u6837\u4f18\u79c0\u9879\u76ee\uff0cSwing\u672c\u5c31\u4e0d\u7b97\u5927\u4f17\uff0c\u4e86\u89e3JGoodies\u66f4\u662f\u5c0f\u4f17\uff0c\u800c\u66f4\u5c11\u4eba\u4e86\u89e3<a href=\"http:\/\/www.jgoodies.com\/freeware\/libraries\/binding\/\">JGoodies Binding<\/a>\u8fd9\u591a\u5e74\u524d\u5c31\u5b9e\u73b0\u5f97\u975e\u5e38\u4e0d\u9519\u7684MVP\u67b6\u6784\u5c01\u88c5\uff0c\u6709\u5174\u8da3\u7684\u8bfb\u8005\u53ef\u770b\u770bJGoodies\u8fd9\u7bc706\u5e74\u7684<a href=\"http:\/\/www.jgoodies.com\/download\/presentations\/patterns-and-binding.pdf\">PPT\u300aDesktop Patterns and Data Binding\u300b<\/a>\u3002<\/p>\n<p>Adobe\u7684Flex\u548c\u5fae\u8f6f\u7684Silverlight\/WPF\u672c\u88ab\u4e1a\u754c\u5bc4\u4e88\u539a\u671b\uff0c\u6ca1\u60f3\u8fd9\u54e5\u4fe9\u5982\u5306\u5306\u8fc7\u5ba2\u88ab\u8001\u4e1c\u5bb6\u629b\u5f03\u4e86\uff0c\u4f46\u4ed6\u4eec\u8fd8\u662f\u63a8\u52a8\u4e86MVP\u548cMVVM\u8bbe\u8ba1\u6a21\u5f0f\u7684\u666e\u53ca\uff0c\u5982\u4ecaHTML5\u9886\u57df\u7684KnockoutJS\u3001Backbone.js\u3001AngularJS\u3001PureMVC\u3001Ember.js\u7b49\u4f17\u591aMV*\u6846\u67b6\u5982\u679c\u96e8\u540e\u6625\u7b0b\u822c\u5d1b\u8d77\uff0c\u751a\u81f3\u9700\u8981\u6709\u4eba\u4e13\u95e8\u7ef4\u62a4\u4e2a<a href=\"http:\/\/todomvc.com\/\">TodoMVC<\/a>\u7684\u7f51\u7ad9\u6765\uff1aHelping you select an MV* framework\uff01<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u672c\u8eab\u4e5f\u662f\u4e00\u5957MV*\u7684\u6846\u67b6\uff0c\u4f46\u6211\u4eec\u57f9\u8bad\u5ba2\u6237\u65f6\u5f88\u5c11\u8fc7\u7ec6\u8ba8\u8bba\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5728\u6211\u770b\u6765\u597d\u7684\u7ec4\u4ef6\u5c01\u88c5\u5e94\u8be5\u4e0d\u5fc5\u8ba9\u7528\u6237\u7ea0\u7ed3\u4e8e\u4f60\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u7528\u6237\u51e0\u4e2a\u6708\u4e0d\u7528\u4f60\u7684\u6846\u67b6\u540e\uff0c\u4f9d\u7136\u80fd\u5feb\u901f\u4e0a\u624b\u4e0d\u5fc5\u6709\u4e00\u4e2a\u91cd\u5199\u5b66\u4e60\u7684\u8fc7\u7a0b\uff0c\u8fd9\u662f\u6211\u4eec\u6700\u6c42\u7684\u7406\u60f3\u6846\u67b6\uff0c\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u8bf4\u76ee\u524d\u5f88\u5c11\u6709\u56fe\u5f62\u6846\u67b6\u80fd\u8ba9\u6211\u4eec\u6ee1\u610f\uff0c\u76f8\u4fe1\u5f88\u591a\u4eba\u6709\u7c7b\u4f3c\u75db\u82e6\u7684\u7ecf\u5386\uff0c\u4e00\u6bb5\u65f6\u95f4\u4e0d\u7528\u67d0\u5957\u6846\u67b6\u540e\uff0c\u8981\u7528\u65f6\u5b8c\u5168\u5fd8\u8bb0\u5982\u4f55\u5165\u624b\uff0cSwing\u8001\u624b\u4e0d\u770b\u8001\u4ee3\u7801\u4e0d\u77e5\u5982\u4f55\u5bf9JTree\u548cJTable\u6dfb\u52a0\u6570\u636e\uff0cFlex\u8001\u624b\u4e00\u4e0b\u5b50\u60f3\u4e0d\u8d77\u6765invalidateProperties\uff0cinvalidateSize\u548c invalidateDisplayList\u8fd9\u51e0\u4e2a\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u5fc5\u638c\u63e1\u51fd\u6570\u7684\u7ec6\u8282\uff0cSL\/WPF\u8001\u624b\u60f3\u4e0d\u8d77\u6765\u5b9a\u4e49\u4e00\u4e2aDependencyProperty\u5c5e\u6027\u9664\u4e86AffectsRenderer\u548cAffectsMeasure\u8fd8\u6709\u591a\u5c11\u8981\u8003\u8651\u7684\u56e0\u7d20\uff0c\u4e0a\u6bb5\u63d0\u5230\u7684\u4e00\u5806\u65b0\u5174\u7684HTML5\u754cMV*\u6846\u67b6\uff0c\u76f8\u4fe1\u66f4\u5c11\u6709\u4eba\u6562\u8bf4\u719f\u7ec3\u7cbe\u901a\uff0c\u4f60\u53ef\u80fd\u5728\u67d0\u4e2a\u9879\u76ee\u4e2d\u7528\u4e86\u597d\u51e0\u4e2a\u6708\u751a\u81f3\u4e00\u4e24\u5e74\uff0c\u4f46\u4e00\u6bb5\u65f6\u95f4\u4e0d\u7528\u4f60\u5f88\u5bb9\u6613\u5fd8\u8bb0\uff0c\u56e0\u6b64\u5bf9\u558a\u51fa\u7cbe\u901a\u7f3a\u4e4f\u52c7\u6c14\u4e86\uff0c\u6211\u89c9\u5f97\u8fd9\u4e0d\u662f\u5927\u5bb6\u4e0d\u806a\u660e\u4e0d\u52e4\u594b\uff0c\u800c\u662f\u76ee\u524d\u7684\u8fd9\u4e9b\u6846\u67b6\u771f\u8fd8\u6ca1\u505a\u5230\u8db3\u591f\u597d\uff0c\u6211\u4eec\u4e00\u76f4\u52aa\u529b\u8ba9<a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u671d\u6211\u4eec\u89c9\u5f97\u6ee1\u610f\u7684\u65b9\u5411\u53d1\u5c55\uff0c\u4ee5\u540e\u6587\u7ae0\u6211\u518d\u5c55\u5f00\u8ba8\u8bba<a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u5982\u4f55\u8bbe\u8ba1\u8ba9\u7528\u6237\u4e0d\u5065\u5fd8\u7684API\u63a5\u53e3\u3002<\/p>\n<p>\u56de\u5230\u4eca\u5929\u6a21\u578b-\u89c6\u56fe-\u4e8b\u4ef6\u7684\u8bdd\u9898\uff0cData\u548cView\u5206\u79bb\u540e\u5fc5\u7136\u9700\u8981\u6709Event\u4e8b\u4ef6\u7684\u76d1\u542c\u548c\u6d3e\u53d1\u673a\u5236\u6765\u5efa\u7acb\u8d77\u6570\u636e\u7ed1\u5b9a\uff0c\u6211\u63a7\u5236\u6b32\u6bd4\u8f83\u5f3a\u4e0d\u662f\u5f88\u559c\u6b22AngularJS\u90a3\u79cddirty checking\u7684\u673a\u5236\uff0c\u6709\u4e8b\u4ef6\u53d8\u5316\u6211\u5e0c\u671b\u9a6c\u4e0a\u88ab\u901a\u77e5\u5230\uff0c\u505a\u6211\u8be5\u505a\u7684\u5904\u7406\uff0c\u81f3\u4e8e\u6709\u4eba\u62c5\u5fc3\u6027\u80fd\u95ee\u9898\u90a3\u662f\u591a\u8651\u4e86\uff0c\u56fe\u5f62\u7ec4\u4ef6\u53d1\u5c55\u8fd9\u4e48\u591a\u5e74\u5df2\u79ef\u7d2f\u65e0\u6570\u6210\u719f\u6280\u5de7\u6765\u89c4\u907f\u4e8b\u4ef6\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<p>\u6027\u80fd\u95ee\u9898\u5012\u4e0d\u7528\u62c5\u5fc3\uff0c\u6bd5\u7adf\u8fd9\u65b9\u9762\u4efb\u52a1\u5927\u90e8\u5206\u60c5\u51b5\u90fd\u662f\u4ea4\u7531\u6846\u67b6\u5b9e\u73b0\u8005\u53bb\u8003\u8651\uff0c\u4f46\u4e0d\u9700\u8981\u7528\u6237\u6df1\u5165\u4e86\u89e3\u6846\u67b6\u7684\u5b9e\u73b0\u7ec6\u8282\uff0c\u5e76\u4e0d\u610f\u5473\u7740\u7528\u6237\u53ef\u4ee5\u5b8c\u5168\u4e0d\u5173\u7cfb\u57fa\u672c\u67b6\u6784\u8109\u7edc\uff0c\u6846\u67b6\u5e94\u7528\u8005\u8fd8\u662f\u6709\u5fc5\u8981\u4e86\u89e3\u6a21\u578b-\u89c6\u56fe-\u4e8b\u4ef6\u4e4b\u95f4\u7684\u5f15\u7528\u5173\u8054\u5173\u7cfb\uff0c\u5426\u5219\u5bb9\u6613\u51fa\u73b0\u5185\u5b58\u6cc4\u9732\u7684\u95ee\u9898\uff0c\u4ee5\u524d\u7ecf\u5386\u8fc7\u4e00\u4e2a\u5ba2\u6237\u56e2\u961f\u8bbe\u8ba1\u7684\u5ba2\u6237\u7aef\u6846\u67b6\uff0c\u53ef\u7ba1\u7406\u6240\u6709\u754c\u9762\u7684\u7a97\u53e3\uff0c\u7ed3\u679c\u51fa\u73b0\u603b\u662fOOM\u7684\u5185\u5b58\u6ea2\u51fa\uff0c\u5e2e\u4ed6\u4eec\u68c0\u67e5\u540e\u53d1\u73b0\uff0c\u4ed6\u4eec\u6709\u4e2a\u5168\u5c40\u7684WindowManager\u5bf9\u8c61\uff0c\u5728\u6bcf\u4e2a\u7a97\u53e3\u521b\u5efa\u65f6\u90fd\u4f1a\u6dfb\u52a0\u5bf9\u7a97\u53e3\u7684\u5f15\u7528\uff0c\u8fd9\u6837\u56fa\u7136\u8c8c\u4f3c\u5f88\u5f3a\u5927\uff0c\u5168\u5c40\u90fd\u53ef\u4ee5\u63a7\u5236\u6240\u6709\u754c\u9762\u7a97\u53e3\uff0c\u4f46\u56e0\u4e3a\u7edd\u5927\u591a\u6570\u5f00\u53d1\u4eba\u5458\uff0c\u4e0d\u4f1a\u5728\u7a97\u53e3\u5173\u95ed\u8981\u9500\u6bc1\u65f6\u4e3b\u52a8\u53bb\u5220\u9664\u5168\u5c40WindowManager\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u8fdb\u800c\u5bfc\u81f4\u4e86\u6240\u6709\u7a97\u53e3\u90fd\u80fd\u88ab\u5168\u5c40\u5bf9\u8c61\u5f15\u7528\u5230\u800c\u65e0\u6cd5\u5783\u573e\u56de\u6536\uff0c\u56e0\u6b64\u6846\u67b6\u7684\u4f7f\u7528\u8005\u8fd8\u662f\u6709\u5fc5\u8981\u591a\u6846\u67b6\u7684\u673a\u5236\u6709\u6240\u4e86\u89e3\u624d\u80fd\u907f\u514d\u8fd9\u7c7b\u7684\u5185\u5b58\u6cc4\u9732\u95ee\u9898\u3002<\/p>\n<p>\u5f88\u591a\u60c5\u51b5\u4e0b\u5185\u5b58\u6cc4\u9732\u4e0d\u662f\u957f\u671f\u7684\u8fd0\u884c\u4e5f\u5f88\u96be\u53d1\u89c9\uff0c\u4f46\u5bf9\u4e8e<a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u7684Graph3dView\u8fd9\u79cd\u57fa\u4e8eWebGL\u76843D\u7ec4\u4ef6\u95ee\u9898\u5c24\u4e3a\u660e\u663e\uff0c\u56e0\u4e3a\u5927\u90e8\u5206\u6d4f\u89c8\u5668\u5bf9\u5355\u4e2a\u9875\u9762\u80fd\u8fd0\u884c\u7684WebGL\u4e0a\u4e0b\u6587\u662f\u6709\u9650\u5236\u7684\uff0c\u4f8b\u5982PC\u4e0a\u7684chrome\u6216firefox\u4e5f\u5c31\u8fd0\u884c\u5341\u4e94\u516d\u4e2a\uff0c\u624b\u673a\u5e73\u677f\u7b49\u79fb\u52a8\u7ec8\u7aef\u4f1a\u66f4\u53d7\u9650\uff0c\u56e0\u6b64\u5982\u679c\u51fa\u73b0\u5185\u5b58\u6cc4\u9732\u8001\u7684\u4e0a\u4e0b\u6587\u6ca1\u5173\u95ed\uff0c\u8d85\u8d8a\u4e0a\u9650\u65f6\u5c31\u4f1a\u51fa\u73b0\u7c7b\u578b&#8221;Too many active WebGL contexts. Oldest context will be lost.&#8221;\u7684\u5f02\u5e38\u3002<\/p>\n<p>\u4ee5\u4e0b\u6211\u5bf9\u300aHT\u5165\u95e8\u624b\u518c\u300b\u7684\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u505a\u4e2a\u6269\u5c55\uff0c\u5bf9\u5de5\u5177\u6761\u589e\u52a0\u4e86\u5982\u4e0b\u4ee3\u7801\u903b\u8f91\u7684\u4e09\u4e2a\u6309\u94ae\uff0c\u7b2c\u4e00\u4e2a\u6309\u94ae\u4e00\u4e0b\u5b50\u521b\u5efa\u4e8620\u4e2a\u65b0\u7684Tab\u9875\uff0c\u6bcf\u4e2aTab\u9875\u5305\u542b\u4e00\u4e2aGraph3dView\u7ec4\u4ef6\uff0c\u53e6\u5916\u4e24\u4e2a\u6309\u94ae\u5b9e\u73b0\u5220\u9664\u90e8\u5206\u9875\u7b7e\u7684\u529f\u80fd\u3002<\/p>\n<pre class=\"&quot;brush:javascript\u201d\">{\r\n\tlabel: 'Create 20',\r\n\taction: function(){                             \r\n\t\tfor(var i=0;i&lt;20;i++){  \r\n\t\t\tvar tab = new ht.Tab();\r\n\t\t\ttab.setName('tab-'+i);\r\n\t\t\ttab.setClosable(true);                                \r\n\t\t\ttabView.getTabModel().add(tab);    \r\n\t\t\tvar g3d = new ht.graph3d.Graph3dView(dataModel);\r\n\t\t\tg3d.name = 'g3d-' + i;\r\n\t\t\twindow['g3d-' + i] = g3d;\r\n\t\t\ttab.setView(g3d);\r\n\t\t}                            \r\n\t}\r\n},  \r\n{\r\n\tlabel: 'Destroy 5',\r\n\taction: function(){           \r\n\t\tvar emptyModel = new ht.DataModel();\r\n\t\ttabView.remove('tab-5');\r\n\t\twindow['g3d-5'].setDataModel(emptyModel);\r\n\t\tdelete window['g3d-5'];  \r\n\t\tthis.disabled = true;\r\n\t}\r\n},\r\n{\r\n\tlabel: 'Destroy 6-10',\r\n\taction: function(){    \r\n\t\tfor(var i=6; i&lt;=10; i++){\r\n\t\t\ttabView.remove('tab-' + i);\r\n\t\t\tvar emptyModel = new ht.DataModel();\r\n\t\t\twindow['g3d-' + i].setDataModel(emptyModel);\r\n\t\t\tdelete window['g3d-' + i];                                \r\n\t\t} \r\n\t\tthis.disabled = true;\r\n\t}\r\n}<\/pre>\n<p>\u70b9\u51fb\u521b\u5efa20\u4e2a\u9875\u7b7e\u7684\u6309\u94ae\u5206\u522b\u6253\u5f00\u9875\u7b7e\u4e4b\u540e\u7cfb\u7edf\u7684\u5185\u5b58\u5bf9\u8c61\u5f15\u7528\u5173\u7cfb\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-204\" alt=\"Screen Shot 2014-08-15 at 9.46.17 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM.png\" width=\"940\" height=\"577\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM.png 940w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM-300x184.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-9.46.17-PM-200x122.png 200w\" sizes=\"(max-width: 940px) 100vw, 940px\" \/><\/a><\/p>\n<p>\u56e0\u4e3adataModel\u4f5c\u4e3a\u5168\u5c40\u5bf9\u8c61\u88abwindow\u5e94\u7528\u7740\uff0c\u800c\u4e14\u5176\u4ed6\u65b0\u521b\u5efa\u7684\u9875\u7b7e\u4e2d\u7684Graph3dView\u90fd\u7ed1\u5b9a\u4e86\u8be5\u6570\u636e\u6a21\u578b\uff0c\u6846\u67b6\u4f7f\u7528\u8005\u5e94\u8be5\u4e86\u89e3\uff0c\u5404\u79cd\u7ec4\u4ef6\u90fd\u5bf9dataModel\u6570\u636e\u6a21\u578b\u6dfb\u52a0\u4e86\u4e8b\u4ef6\u76d1\u542c\uff0c\u5176\u5b9e\u6570\u636e\u6a21\u578b\u5e76\u4e0d\u77e5\u9053\u5404\u79cdView\u7684\u5b58\u5728\uff0c\u6570\u636e\u6a21\u578b\u4ec5\u9075\u5faa\u6709\u6570\u636e\u53d8\u5316\u540e\u5c06\u4e8b\u4ef6\u6b63\u786e\u7684\u6d3e\u53d1\u7ed9\u6240\u6709\u6d88\u8d39\u8005\uff0c\u800c\u8fd920\u4e2aGraph3dView\u5c31\u662f\u5176\u4e2d\u7684\u6d88\u8d39\u8005\uff0c\u800cGraph3dView\u4e2d\u6bcf\u4e2a\u6709\u90fd\u6709\u4e00\u4e2aWebGL\u7684context\u4e0a\u4e0b\u6587\uff0c\u56e0\u800c\u5f62\u6210\u4e86\u4e00\u6761\u4ece\u5168\u5c40window\u5230dataModel\u6570\u636e\u6a21\u578b\uff0c\u518d\u5230Graph3dView\u7ec4\u4ef6\uff0c\u6700\u540e\u5230WebGL\u4e0a\u4e0b\u6587\u7684\u5f15\u7528\u5173\u7cfb\u7f51\uff0c\u8fd9\u6837\u81ea\u7136\u5982\u679c\u6211\u4eec\u4e0d\u4e3b\u52a8\u65ad\u5f00\u8fd9\u4e2a\u5173\u7cfb\uff0c\u54ea\u6015Tab\u9875\u7b7e\u88ab\u5173\u95ed\u9500\u6bc1\uff0cGraph3dView\u4f9d\u7136\u8fd8\u4f1a\u5b58\u5728\u7cfb\u7edf\u5185\u5b58\u7684\u95ee\u9898\uff08\u8fd9\u4e2a\u4f8b\u5b50\u6211\u4eec\u4e3a\u4e86\u6d4b\u8bd5\u65b9\u4fbf\u5176\u5b9e\u8fd8\u5728window\u4e0a\u76f4\u63a5\u5f15\u7528\u4e86Tab\u548cGraph3dView\u5bf9\u8c61\uff09\u3002<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-205\" alt=\"Screen Shot 2014-08-15 at 10.12.59 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM.png\" width=\"983\" height=\"651\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM.png 983w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM-300x198.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.59-PM-200x132.png 200w\" sizes=\"(max-width: 983px) 100vw, 983px\" \/><\/a><br \/>\n<iframe loading=\"lazy\" src=\"http:\/\/player.youku.com\/embed\/XNzU2MzYzODA4\" height=\"498\" width=\"510\" allowfullscreen=\"\" frameborder=\"0\"><\/iframe><br \/>\n\u56e0\u6b64\u7531<a href=\"http:\/\/v.youku.com\/v_show\/id_XNzU2MzYzODA4.html\">\u4ee5\u4e0a\u89c6\u9891<\/a>\u4f60\u4f1a\u53d1\u73b0\u5728chrome\u4e0b\u5f53\u70b9\u51fb\u5230\u7b2c16\u4e2a\u5305\u542bGraph3dView\u7684\u9875\u7b7e\u540e\u5c31\u51fa\u73b0\u4e86&#8221;Too many active WebGL contexts. Oldest context will be lost.&#8221;\u7684\u5f02\u5e38\uff0c\u5728WebGL\u4e2d\u53ef\u901a\u8fc7\u5bf9Canvas\u6dfb\u52a0webglcontextlost\u7684\u4e8b\u4ef6\u76d1\u542c\u53ef\u5224\u65ad\u81ea\u5df1\u7684\u4e0a\u4e0b\u6587\u88ab\u9500\u6bc1\u4e86\uff0c\u5e76\u53ef\u901a\u8fc7\u6dfb\u52a0webglcontextrestored\u7684\u4e8b\u4ef6\u76d1\u542c\u5728\u6d4f\u89c8\u5668\u8d44\u6e90\u8db3\u591f\u65f6\u91cd\u65b0\u8fdb\u884c\u6062\u590d\u3002<\/p>\n<p>\u5728\u6211\u4eec\u8fd9\u4e2a\u6848\u4f8b\u4e2d\u8981\u8ba9\u7cfb\u7edf\u8d44\u6e90\u6062\u590d\uff0c\u6211\u4eec\u5fc5\u987b\u8ba9\u8fc7\u591a\u7684Tab\u9875\u7b7e\u4e2d\u7684Graph3dView\u88ab\u5f7b\u5e95\u56de\u6536\uff0c\u56e0\u6b64\u5de5\u5177\u6761\u4e0a\u7684\u53e6\u5916\u4e24\u4e2a\u6309\u94ae\u4ece\u4ee3\u7801\u903b\u8f91\u53ef\u77e5\uff0c\u6211\u4eec\u5c06Graph3dView\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u65b0\u7684\u7a7a\u5f97DataModel\u6570\u636e\u6a21\u578b\uff0c\u4f7f\u5176\u65ad\u5f00\u4e86\u548c\u5168\u5c40window.dataModel\u7684\u5f15\u7528\uff0c\u5f53\u7136Tab\u9875\u7b7e\u4e5f\u5f97\u5220\u9664\uff0c\u4ece<a href=\"http:\/\/v.youku.com\/v_show\/id_XNzU2MzYzODA4.html\">\u4ee5\u4e0a\u89c6\u9891<\/a>\u4e2d\u4e5f\u53ef\u4ee5\u770b\u5f97\u51fa\u5f53\u6211\u4eec\u9500\u6bc1\u4e86\u90e8\u5206Tab\u9875\u7b7e\u540e\u5c31\u80fd\u5f97\u5230webglcontextrestored\u7684\u4e8b\u4ef6\u6062\u590d\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a&#8221;HT for 3D Web&#8221;\u7684\u9875\u7b7e\u7ecf\u5386\u4e86webglcontextlost\u548cwebglcontextrestored\u7684\u8fc7\u7a0b\u3002<\/p>\n<p>\u542f\u52a8\u521d\u59cb\u5316\u65f6\u53ea\u6709&#8221;HT for 3D Web&#8221;\u7684\u7b2c\u4e00\u4e2a\u9875\u7b7e\uff0c\u56e0\u6b64\u901a\u8fc7Chrome\u7684Debug Profiles\u53ef\u67e5\u770b\u5230ht.graph3d.Graph3dView\u7684Objects Count\u9879\u53ea\u67091\uff0c\u901a\u8fc7Profiles\u7684Retainers\u6211\u4eec\u8fd8\u53ef\u4ee5\u6e05\u695a\u7684\u638c\u63e1\u76ee\u524d\u8fbe\u5230\u90a3\u4e9b\u5bf9\u8c61\u5f15\u7528\u4e86Graph3dView\u5bf9\u8c61\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-206\" alt=\"Screen Shot 2014-08-15 at 10.11.31 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM.png\" width=\"983\" height=\"414\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM.png 983w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM-300x126.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.31-PM-200x84.png 200w\" sizes=\"(max-width: 983px) 100vw, 983px\" \/><\/a><\/p>\n<p>\u5f53\u70b9\u51fb\u6784\u5efa20\u4e2a\u9875\u7b7e\u6309\u94ae\u540e\uff0cProfiles\u80fd\u770b\u5230Objects Count\u4e3a21\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-207\" alt=\"Screen Shot 2014-08-15 at 10.11.50 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM.png\" width=\"985\" height=\"412\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM.png 985w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM-300x125.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.11.50-PM-200x83.png 200w\" sizes=\"(max-width: 985px) 100vw, 985px\" \/><\/a><\/p>\n<p>\u5f53\u6211\u4eec\u70b9\u51fb\u4e24\u4e2a\u5220\u9664\u6309\u94ae\u9500\u6bc16\u4e2aTab\u9875\u7b7e\u540e\u53d1\u73b0\uff0cObjects Count\u4e0b\u964d\u5230\u4e8615\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-208\" alt=\"Screen Shot 2014-08-15 at 10.12.23 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM.png\" width=\"985\" height=\"415\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM.png 985w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM-300x126.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.12.23-PM-200x84.png 200w\" sizes=\"(max-width: 985px) 100vw, 985px\" \/><\/a><\/p>\n<p>\u6700\u540e\u53ef\u4ee5\u53d1\u73b0\u7b2c\u4e00\u4e2aHT for 3D Web\u7684\u9875\u7b7e\u6d74\u706b\u91cd\u751f\u4e86<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-209\" alt=\"Screen Shot 2014-08-15 at 10.13.47 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM.png\" width=\"987\" height=\"810\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM.png 987w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM-300x246.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/08\/Screen-Shot-2014-08-15-at-10.13.47-PM-200x164.png 200w\" sizes=\"(max-width: 987px) 100vw, 987px\" \/><\/a><\/p>\n<p>\u8fd9\u4e2a\u6848\u4f8b\u53ea\u662f\u4e3a\u4e86\u6d4b\u8bd5\u65b9\u4fbf\u56e0\u6b64\u5c06dataModel\u5bf9\u8c61\u4f5c\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u6240\u4ee5\u5f15\u53d1\u4e86\u4e00\u4e9b\u5217\u5185\u5b58\u6cc4\u9732\u7684\u8d44\u6e90\u4e0d\u8db3\u95ee\u9898\uff0c\u4e00\u822c\u9879\u76ee\u5e94\u7528\u4e2d\u4e0d\u7528\u7684\u7ec4\u4ef6\u4e0d\u9700\u8981\u8003\u8651\u8fd9\u4e48\u590d\u6742\uff0c\u4f8b\u5982\u8fd8\u9700\u8981\u65ad\u5f00dataModel\u5f15\u7528\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u5e38\u89c4\u5e94\u7528\u573a\u666f\u4e2d\u4f8b\u5982\u4e00\u4e2a\u5bf9\u8bdd\u6846\u6253\u5f00\u540e\uff0c\u4e00\u822c\u6570\u636e\u6a21\u578b\u548c\u89c6\u56fe\u7ec4\u4ef6\u90fd\u5728\u8fd9\u4e2a\u5bf9\u8bdd\u6846\u8303\u56f4\u5185\u76f8\u4e92\u5f15\u7528\uff0c\u53ea\u8981\u786e\u4fdd\u4e0d\u51fa\u73b0\u4e0a\u6587\u63d0\u5230\u7684\u6709\u5168\u5c40\u5f15\u7528\u80fd\u5f71\u54cd\u8fd9\u4e2a\u5bf9\u8bdd\u6846\u5185\u7684\u67d0\u4e2a\u5bf9\u8c61\uff0c\u90a3\u4e48\u4f60\u5728\u4f7f\u7528\u5b8c\u8be5\u5bf9\u8bdd\u6846\u540e\u4e0d\u9700\u8981\u505a\u4efb\u4f55\u5904\u7406\uff0c\u90a3\u4e00\u5806\u7684\u5bf9\u8c61\u54ea\u6015\u4ed6\u4eec\u4e4b\u95f4\u5f15\u7528\u518d\u590d\u6742\u751a\u81f3\u4e92\u76f8\u5e94\u7528\uff0c\u53cd\u6b63\u6ca1\u6709\u5168\u5c40\u5bf9\u8c61\u80fd\u591f\u518d\u5f15\u7528\u5230\u4ed6\u4eec\uff0c\u4ed6\u4eec\u7edf\u7edf\u90fd\u4f1a\u88ab\u9500\u6bc1\u3002<\/p>\n<p>\u603b\u7ed3\u4e0b\u672c\u7bc7\u7684\u4e24\u4e2a\u89c2\u70b9\uff1a<\/p>\n<p>1\u3001\u518d\u597d\u7684\u5c01\u88c5\u8bbe\u8ba1\u4e5f\u9700\u8981\u4f7f\u7528\u8005\u638c\u63e1\u57fa\u672c\u7684\u67b6\u6784\u8109\u7edc\uff0c\u5c31\u50cf\u518d\u597d\u7684\u8f66\u4f60\u4e5f\u5f97\u5b66\u4f1a\u5f00\u5b66\u4f1a\u57fa\u672c\u7684\u4fdd\u517b\uff0c\u4ec0\u4e48\u90fd\u4e0d\u5b66\u7684\u8bdd\uff0c\u518d\u597d\u7684\u6846\u67b6\u4e5f\u4f1a\u50cf\u597d\u8f66\u4e00\u6837\u88ab\u4f60\u5f00\u574f<\/p>\n<p>2\u3001\u4e0d\u8981\u60e7\u6015MV*\u7684\u4e8b\u4ef6\u548c\u5f15\u7528\u5173\u7cfb\uff0c\u7406\u6e05\u4e8b\u4ef6\u673a\u5236\u548c\u5bf9\u8c61\u5f15\u7528\u5173\u7cfb\u540e\uff0c\u4f60\u53ef\u4ee5\u7cbe\u786e\u638c\u63a7\u4efb\u4f55\u65f6\u523b\u7684\u4efb\u4f55\u5185\u90e8\u7ec6\u8282\uff0c\u8fd9\u70b9\u4e3b\u8981\u9488\u5bf9\u8bbe\u8ba1\u6846\u67b6\u8005\u800c\u8a00\uff0c\u4f7f\u7528\u8005\u5e94\u8be5\u5927\u80c6\u7684\u62e5\u62b1MV*\u7684\u6846\u67b6\uff0c\u6027\u80fd\u548c\u5404\u79cd\u6f5c\u5728\u7684\u5185\u5b58\u95ee\u9898\u653e\u5fc3\u7684\u4ea4\u7ed9\u6846\u67b6\u53bb\u89e3\u51b3<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/posts\/201"}],"collection":[{"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/comments?post=201"}],"version-history":[{"count":3,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/posts\/201\/revisions"}],"predecessor-version":[{"id":211,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/posts\/201\/revisions\/211"}],"wp:attachment":[{"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/media?parent=201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/categories?post=201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/tags?post=201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}