{"id":624,"date":"2013-12-11T17:31:33","date_gmt":"2013-12-11T09:31:33","guid":{"rendered":"http:\/\/coderbee.net\/?p=624"},"modified":"2015-06-10T10:09:43","modified_gmt":"2015-06-10T02:09:43","slug":"%e5%86%85%e5%ad%98%e5%85%b3%e5%8d%a1%e6%a0%85%e6%a0%8f-%ef%bc%88-memory-barriers-fences-%ef%bc%89","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/concurrent\/20131211\/624","title":{"rendered":"\u5185\u5b58\u5173\u5361\/\u6805\u680f \uff08 Memory Barriers \/ Fences \uff09 &#8211; \u8bd1"},"content":{"rendered":"<p>\u7ffb\u8bd1\u81ea\uff1a<a href=\"http:\/\/mechanical-sympathy.blogspot.com\/\">Martin Thompson<\/a> &#8211; <a href=\"http:\/\/mechanical-sympathy.blogspot.com\/2011\/07\/memory-barriersfences.html\">Memory Barriers\/Fences<\/a><\/p>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u91cc\uff0c\u6211\u5c06\u8ba8\u8bba\u5e76\u53d1\u7f16\u7a0b\u91cc\u6700\u57fa\u7840\u7684\u6280\u672f&#8211;\u4ee5\u5185\u5b58\u5173\u5361\u6216\u6805\u680f\u8457\u79f0\uff0c\u90a3\u8ba9\u8fdb\u7a0b\u5185\u7684\u5185\u5b58\u72b6\u6001\u5bf9\u5176\u4ed6\u8fdb\u7a0b\u53ef\u89c1\u3002<\/p>\n<p>CPU \u4f7f\u7528\u4e86\u5f88\u591a\u6280\u672f\u53bb\u5c1d\u8bd5\u548c\u9002\u5e94\u8fd9\u6837\u7684\u4e8b\u5b9e\uff1aCPU \u6267\u884c\u5355\u5143\u7684\u6027\u80fd\u5df2\u8fdc\u8fdc\u8d85\u51fa\u4e3b\u5185\u5b58\u6027\u80fd\u3002\u5728\u6211\u7684\u201c<a href=\"http:\/\/mechanical-sympathy.blogspot.com\/2011\/07\/write-combining.html\">Writing Combining<\/a>\u201d\u6587\u7ae0\uff0c\u6211\u53ea\u662f\u8c08\u53ca\u5176\u4e2d\u4e00\u79cd\u6280\u672f\u3002CPU \u4f7f\u7528\u7684\u7528\u6765\u9690\u85cf\u5185\u5b58\u5ef6\u8fdf\u7684\u6700\u666e\u901a\u6280\u672f\u662f\u7ba1\u7ebf\u5316\u6307\u4ee4\uff0c\u7136\u540e\u4ed8\u51fa\u5de8\u5927\u52aa\u529b\u548c\u8d44\u6e90\u53bb\u5c1d\u8bd5\u91cd\u6392\u5e8f\u8fd9\u4e9b\u7ba1\u7ebf\u6765\u6700\u5c0f\u5316\u7f13\u5b58\u4e0d\u547d\u4e2d\u7684\u6709\u5173\u62d6\u5ef6\u3002<\/p>\n<p>\u5f53\u4e00\u4e2a\u7a0b\u5e8f\u6267\u884c\u7684\u65f6\u5019\uff0c\u5b83\u4e0d\u5728\u4e4e\uff0c\u5982\u679c\u91cd\u6392\u5e8f\u540e\u7684\u6307\u4ee4\u63d0\u4f9b\u4e86\u4e00\u6837\u7684\u6700\u7ec8\u7ed3\u679c\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u5faa\u73af\u5185\uff0c\u5982\u679c\u5faa\u73af\u5185\u6ca1\u6709\u64cd\u4f5c\u4f7f\u7528\u5faa\u73af\u8ba1\u7b97\u5668\uff0c\u5faa\u73af\u8ba1\u6570\u5668\u4ec0\u4e48\u65f6\u5019\u66f4\u65b0\u662f\u4e0d\u5728\u4e4e\u7684\u3002\u7f16\u8bd1\u5668\u548c CPU \u81ea\u7531\u5730\u91cd\u6392\u5e8f\u6307\u4ee4\u6765\u6700\u5927\u5316\u5730\u5229\u7528 CPU\uff0c\u76f4\u5230\u4e0b\u4e00\u6b21\u8fed\u4ee3\u5373\u5c06\u5f00\u59cb\u65f6\u624d\u66f4\u65b0\u5b83\uff08\u5faa\u73af\u8ba1\u6570\u5668\uff09\u3002\u4e5f\u53ef\u80fd\uff0c\u5728\u4e00\u4e2a\u5faa\u73af\u7684\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u8fd9\u4e2a\u53d8\u91cf\u53ef\u80fd\u5b58\u50a8\u5728\u4e00\u4e2a\u5bc4\u5b58\u5668\u91cc\uff0c\u6c38\u8fdc\u4e0d\u4f1a\u63a8\u5230\u7f13\u5b58\u6216\u4e3b\u5185\u5b58\uff0c\u56e0\u6b64\uff0c\u5b83\u5bf9\u5176\u5b83 CPU \u6c38\u8fdc\u4e0d\u53ef\u89c1\u3002<\/p>\n<p>CPU \u6838\u5305\u542b\u591a\u4e2a\u6267\u884c\u5355\u5143\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u73b0\u4ee3\u7684Intel CPU \u5305\u542b6\u4e2a\u6267\u884c\u5355\u5143\uff0c\u53ef\u4ee5\u505a\u4e00\u7ec4\u6570\u5b66\uff0c\u6761\u4ef6\u903b\u8f91\u548c\u5185\u5b58\u64cd\u4f5c\u7684\u7ec4\u5408\u3002\u6bcf\u4e2a\u6267\u884c\u5355\u5143\u53ef\u4ee5\u505a\u8fd9\u4e9b\u4efb\u52a1\u7684\u7ec4\u5408\u3002\u8fd9\u4e9b\u6267\u884c\u5355\u5143\u5e76\u884c\u5730\u64cd\u4f5c\uff0c\u5141\u8bb8\u6307\u4ee4\u5e76\u884c\u5730\u6267\u884c\u3002\u5982\u679c\u4ece\u5176\u5b83 CPU \u6765\u89c2\u5bdf\uff0c\u8fd9\u5f15\u5165\u4e86\u7a0b\u5e8f\u987a\u5e8f\u7684\u53e6\u4e00\u5c42\u4e0d\u786e\u5b9a\u6027\u3002<\/p>\n<p>\u6700\u7ec8\uff0c\u5f53\u7f13\u5b58\u4e0d\u547d\u4e2d\u53d1\u751f\u65f6\uff0c\u73b0\u4ee3 CPU \u53ef\u4ee5\u6839\u636e\u5185\u5b58\u52a0\u8f7d\u7684\u7ed3\u679c\u505a\u4e00\u4e2a\u5047\u8bbe\uff0c\u7136\u540e\u57fa\u4e8e\u8fd9\u4e2a\u5047\u8bbe\u7ee7\u7eed\u6267\u884c\u76f4\u81f3\u5b9e\u9645\u6570\u636e\u7684\u52a0\u8f7d\u5b8c\u6210\u3002<\/p>\n<p>\u63d0\u4f9b\u201c\u7a0b\u5e8f\u987a\u5e8f\u201d\u4fdd\u7559\u4e86 CPU \u548c\u7f16\u8bd1\u5668\u81ea\u7531\u5730\u505a\u5b83\u4eec\u8ba4\u4e3a\u53ef\u4ee5\u63d0\u5347\u6027\u80fd\u7684\u4e8b\u60c5\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/\/coderbee.net\/wp-content\/uploads\/2013\/12\/cpu-memory-cache-system.png\" alt=\"cpu-memory-cache-system\" \/><\/p>\n<p>\u52a0\u8f7d\uff08load\uff09\u548c\u5b58\u50a8\uff08store\uff09\u5230\u7f13\u5b58\u548c\u4e3b\u5185\u5b58\u662f\u88ab\u7f13\u51b2\u548c\u91cd\u6392\u5e8f\u7684\uff0c\u4f7f\u7528\u52a0\u8f7d\uff08load\uff09\uff0c\u5b58\u50a8\uff08store\uff09\uff0c\u548c\u5199\u7ec4\u5408\uff08writing-combining\uff09\u7f13\u5b58\u3002\u8fd9\u4e9b\u7f13\u5b58\u662f\u5173\u8054\u7684\u961f\u5217\uff0c\u5141\u8bb8\u5feb\u901f\u67e5\u627e\u3002\u8fd9\u79cd\u67e5\u627e\u662f\u5fc5\u987b\u7684\uff0c\u5f53\u4e00\u4e2a\u7a0d\u540e\u7684\u52a0\u8f7d\u9700\u8981\u8bfb\u53d6\u4e00\u4e2a\u4e4b\u524d\u5b58\u50a8\u7684\u3001\u8fd8\u6ca1\u6709\u5230\u8fbe\u7f13\u5b58\u7684\u503c\u65f6\u3002\u4e0a\u56fe\u63cf\u7ed8\u4e86\u73b0\u4ee3\u591a\u6838 CPU \u7684\u7b80\u5316\u89c6\u56fe\u3002\u5b83\u663e\u793a\u4e86\u6267\u884c\u5355\u5143\u5982\u4f55\u4f7f\u7528\u672c\u5730\u5bc4\u5b58\u5668\u548c\u7f13\u5b58\u6765\u7ba1\u7406\u5185\u5b58\uff0c\u4e0e\u7f13\u5b58\u5b50\u7cfb\u7edf\u6765\u56de\u4f20\u9001\u3002<\/p>\n<p>\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\uff0c\u9700\u8981\u91c7\u7528\u4e00\u4e9b\u6280\u672f\u6765\u8ba9\u7a0b\u5e8f\u7ed3\u679c\u53ca\u65f6\u53ef\u89c1\u3002\u6211\u4e0d\u4f1a\u5728\u8fd9\u7bc7\u6587\u7ae0\u91cc\u6d89\u53ca\u7f13\u5b58\u4e00\u81f4\u6027\u3002\u4ec5\u4ec5\u5047\u8bbe\u4e00\u65e6\u5185\u5b58\u88ab\u63a8\u5230\u7f13\u5b58\uff0c\u7136\u540e\u6709\u4e00\u4e2a\u534f\u8bae\u6d88\u606f\u5c06\u53d1\u751f\uff0c\u4ee5\u786e\u4fdd\u6240\u6709\u5171\u4eab\u6570\u636e\u7684\u7f13\u5b58\u662f\u4e00\u81f4\u7684\u3002\u8fd9\u79cd\u4f7f\u5185\u5b58\u5bf9\u5904\u7406\u5668\u6838\u53ef\u89c1\u7684\u6280\u672f\u88ab\u79f0\u4e3a\u5185\u5b58\u5173\u5361\u6216\u6805\u680f\u3002<\/p>\n<p>\u5185\u5b58\u5173\u5361\u63d0\u4f9b\u4e86\u4e24\u79cd\u5c5e\u6027\u3002\u9996\u5148\uff0c\u5b83\u4eec\u4fdd\u7559\u4e86\u5916\u90e8\u53ef\u89c1\u7684\u7a0b\u5e8f\u987a\u5e8f\uff0c\u901a\u8fc7\u786e\u4fdd\u6240\u6709\u7684\u3001\u5173\u5361\u4e24\u4fa7\u7684\u6307\u4ee4\u8868\u73b0\u51fa\u6b63\u786e\u7684\u7a0b\u5e8f\u987a\u5e8f\uff0c\u5982\u679c\u4ece\u5176\u4ed6CPU\u89c2\u5bdf\u3002\u7b2c\u4e8c\uff0c\u5b83\u4eec\u4f7f\u5185\u5b58\u53ef\u89c1\uff0c\u901a\u8fc7\u786e\u4fdd\u6570\u636e\u4f20\u64ad\u5230\u7f13\u5b58\u5b50\u7cfb\u7edf\u3002<\/p>\n<p>\u5185\u5b58\u5173\u5361\u662f\u4e00\u4e2a\u590d\u6742\u7684\u4e3b\u9898\u3002\u5b83\u4eec\u5728\u4e0d\u540c\u7684 CPU \u67b6\u6784\u4e0a\u7684\u5b9e\u73b0\u662f\u975e\u5e38\u4e0d\u540c\u7684\u3002Intel CPU \u6709\u4e00\u4e2a\u5173\u8054\u7684\u5f3a\u5185\u5b58\u6a21\u578b\u3002\u672c\u7bc7\u5c06\u4ee5 x86 CPU \u4e3a\u57fa\u7840\u8bb2\u89e3\u3002<\/p>\n<p><!--more--><\/p>\n<h3>\u5b58\u50a8\u5173\u5361\uff08store barrier\uff09<\/h3>\n<p>\u5b58\u50a8\u5173\u5361\uff0c\u5728x86 \u4e0a\u662f&#8221;sfence&#8221;\u6307\u4ee4\uff0c\u5f3a\u8feb\u6240\u6709\u7684\u3001\u5728\u5173\u5361\u6307\u4ee4\u4e4b\u524d\u7684 \u5b58\u50a8\u6307\u4ee4\u5728\u5173\u5361\u4ee5\u524d\u53d1\u751f\uff0c\u5e76\u4e14\u8ba9 store buffers \u5237\u65b0\u5230\u53d1\u5e03\u8fd9\u4e2a\u6307\u4ee4\u7684 CPU cache\u3002\u8fd9\u5c06\u4f7f\u7a0b\u5e8f\u72b6\u6001\u5bf9\u5176\u4ed6 CPU \u53ef\u89c1\uff0c\u8fd9\u6837\uff0c\u5982\u679c\u9700\u8981\u5b83\u4eec\u53ef\u4ee5\u5bf9\u5b83\u505a\u51fa\u54cd\u5e94\u3002\u4e00\u4e2a\u5b9e\u9645\u7684\u597d\u4f8b\u5b50\u662f\u4e0b\u9762\u7684\u3001\u7b80\u5316\u7684\u3001\u6765\u81eaDisruptor\u7684\u7c7b<a href=\"http:\/\/code.google.com\/p\/disruptor\/source\/browse\/trunk\/code\/src\/main\/com\/lmax\/disruptor\/BatchEventProcessor.java\">BatchEventProcessor<\/a>\u3002\u5f53sequence\u88ab\u66f4\u65b0\u540e\uff0c\u5176\u4ed6\u6d88\u8d39\u8005\u548c\u751f\u4ea7\u8005\u77e5\u9053\u8fd9\u4e2a\u6d88\u8d39\u8005\u7684\u8fdb\u5c55\uff0c\u5e76\u8fdb\u884c\u9002\u5f53\u7684\u54cd\u5e94\u3002\u6240\u6709\u5728\u5173\u5361\u4e4b\u524d\u5bf9\u5185\u5b58\u7684\u66f4\u65b0\u73b0\u5728\u90fd\u53ef\u89c1\u4e86\u3002<\/p>\n<pre><code class=\"java\">private volatile long sequence = RingBuffer.INITIAL_CURSOR_VALUE;\r\n\r\n\/\/ from inside the run() method\r\n\r\nT event = null;\r\nlong nextSequence = sequence.get() + 1L;\r\nwhile (running)\r\n{\r\n    try\r\n    {\r\n       \/\/  \u8bd1\u6ce8\uff1abarrier \u4f1a\u8bfb\u53d6\u5176\u4ed6sequence \u7684\u503c\uff0c\u6240\u4ee5\u8fd9\u91cc\u9762\u6709\u4e2a load barrier \u6307\u4ee4\u3002\r\n        final long availableSequence = barrier.waitFor(nextSequence);\r\n\r\n        while (nextSequence &lt;= availableSequence)\r\n        {\r\n            event = ringBuffer.get(nextSequence);\r\n            boolean endOfBatch = nextSequence == availableSequence;\r\n            eventHandler.onEvent(event, nextSequence, endOfBatch);\r\n            nextSequence++;\r\n        }\r\n\r\n        sequence.set(nextSequence - 1L);\r\n        \/\/ store barrier \u63d2\u5165\u5230\u8fd9\u91cc !!!\r\n    }\r\n    catch (final Exception ex)\r\n    {\r\n        exceptionHandler.handle(ex, nextSequence, event);\r\n        sequence.set(nextSequence);\r\n        \/\/ store barrier \u63d2\u5165\u5230\u8fd9\u91cc !!!\r\n        nextSequence++;\r\n    }\r\n}\r\n<\/code><\/pre>\n<h3>\u52a0\u8f7d\u5173\u5361\uff08load barrier\uff09<\/h3>\n<p>\u52a0\u8f7d\u5173\u5361\uff0c\u5728x86 \u4e0a\u662f&#8221;lfence&#8221;\u6307\u4ee4\uff0c\u5f3a\u8feb\u6240\u6709\u7684\u3001\u52a0\u8f7d\u6307\u4ee4\u4e4b\u540e\u7684\u6307\u4ee4\u5728\u5173\u5361\u4e4b\u540e\u53d1\u751f\uff0c\u7136\u540e\u7b49\u5f85\u90a3\u4e2a CPU \u7684 load buffer \u6392\u7a7a\u3002\u8fd9\u4f7f\u5176\u5b83 CPU \u66b4\u9732\u51fa\u6765\u7684\u7a0b\u5e8f\u72b6\u6001\u5bf9\u8fd9\u4e2a CPU \u53ef\u89c1\uff0c\u5728\u505a\u51fa\u66f4\u591a\u8fdb\u5c55\u4e4b\u524d\u3002\u8fd9\u4e2a\u7684\u4e00\u4e2a\u597d\u4f8b\u5b50\u662f\u524d\u9762\u5f15\u7528\u7684  BatchEventProcessor \u7684 sequence \u88ab\u5176\u5b83\u751f\u4ea7\u8005\u6216\u6d88\u8d39\u8005\u8bfb\u53d6\u65f6\uff0cDisruptor \u91cc\u6709\u7b49\u4ef7\u7684\u6307\u4ee4\u3002<\/p>\n<h3>Full Barrier<\/h3>\n<p>Full Barrier\uff0c\u5728x86 \u4e0a\u662f&#8221;mfence&#8221;\u6307\u4ee4\uff0c\u5728 CPU \u4e0a\u662f\u52a0\u8f7d\u548c\u5b58\u50a8\u5173\u5361\u7684\u7ec4\u5408\u3002<\/p>\n<h3>Java \u5b58\u50a8\u6a21\u578b\uff08Java Memory Model\uff09<\/h3>\n<p>\u5728<a href=\"http:\/\/en.wikipedia.org\/wiki\/Java_Memory_Model\">Java \u5b58\u50a8\u6a21\u578b<\/a>\u91cc\uff0c<em>volatile<\/em> \u5b57\u6bb5\u5728\u5199\u5165\u540e\u63d2\u5165\u4e00\u4e2a\u5b58\u50a8\u5173\u5361\uff0c\u5728\u8bfb\u53d6\u524d\u63d2\u5165\u52a0\u8f7d\u5173\u5361\u3002\u7c7b\u91cc\u9762\u4fee\u9970\u4e3a <em>final<\/em> \u7684\u5b57\u6bb5\u5728\u5b83\u4eec\u88ab\u521d\u59cb\u5316\u540e\u63d2\u5165\u4e00\u4e2a\u5b58\u50a8\u6307\u4ee4\uff0c\u4ee5\u786e\u8fd9\u4e9b\u5b57\u6bb5\u5728\u6784\u9020\u51fd\u6570\u5b8c\u6210\u3001\u6709\u53ef\u7528\u5f15\u7528\u5230\u8fd9\u4e2a\u5bf9\u8c61\u65f6\u662f\u53ef\u89c1\u7684\u3002<\/p>\n<h3>\u539f\u5b50\u6307\u4ee4\u548c\u8f6f\u4ef6\u9501\uff08Atomic Instructions and Software Locks\uff09<\/h3>\n<p>\u539f\u5b50\u6307\u4ee4\uff0c\u5982x86\u91cc\u7684 &#8220;lock &#8230;&#8221; \u6307\u4ee4\uff0c\u662f\u9ad8\u6548\u7684 full barrier\uff0c\u5b83\u4eec\u9501\u4f4f\u5b58\u50a8\u5b50\u7cfb\u7edf\u6765\u6267\u884c\u64cd\u4f5c\uff0c\u6709\u53d7\u4fdd\u8bc1\u7684\u5168\u5e8f\u5173\u7cfb\uff08total order\uff09\uff0c\u5373\u4f7f\u8de8 CPU\u3002\u8f6f\u4ef6\u9501\u901a\u5e38\u4f7f\u7528\u5b58\u50a8\u5173\u5361\uff0c\u6216\u539f\u5b50\u6307\u4ee4\u6765\u8fbe\u5230\u53ef\u89c6\u6027\u548c\u4fdd\u7559\u7a0b\u5e8f\u987a\u5e8f\u3002<\/p>\n<h3>\u5b58\u50a8\u5173\u5361\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\uff08Performance Impact of Memory Barriers\uff09<\/h3>\n<p>\u5b58\u50a8\u5173\u5361\u963b\u6b62\u4e86 CPU \u6267\u884c\u5f88\u591a\u9690\u85cf\u5185\u5b58\u5ef6\u8fdf\u7684\u6280\u672f\uff0c\u56e0\u6b64\u6709\u5b83\u4eec\u6709\u663e\u8457\u7684\u6027\u80fd\u5f00\u9500\uff0c\u5fc5\u987b\u8003\u8651\u3002\u4e3a\u4e86\u8fbe\u5230\u6700\u5927\u6027\u80fd\uff0c\u6700\u597d\u5bf9\u95ee\u9898\u5efa\u6a21\uff0c\u8fd9\u6837\u5904\u7406\u5668\u53ef\u4ee5\u505a\u5de5\u4f5c\u5355\u5143\uff0c\u7136\u540e\u8ba9\u6240\u6709\u5fc5\u987b\u7684\u5b58\u50a8\u5173\u5361\u5728\u5de5\u4f5c\u5355\u5143\u7684\u8fb9\u754c\u4e0a\u53d1\u751f\u3002\u91c7\u7528\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u5904\u7406\u5668\u4e0d\u53d7\u9650\u5236\u5730\u4f18\u5316\u5de5\u4f5c\u5355\u5143\u3002\u628a\u5fc5\u987b\u7684\u5b58\u50a8\u5173\u5361\u5206\u7ec4\u662f\u6709\u76ca\u7684\uff0c\u90a3\u6837\uff0c\u5728\u7b2c\u4e00\u4e2a\u4e4b\u540e\u7684 buffer \u5237\u65b0\u7684\u5f00\u9500\u4f1a\u5c0f\u70b9\uff0c\u56e0\u4e3a\u6ca1\u6709\u5de5\u4f5c\u9700\u8981\u8fdb\u884c\u91cd\u65b0\u586b\u5145\u5b83\u3002<\/p>\n<p>\u8bd1\u6ce8\uff1a\u5173\u4e8eDisruptor\u53ef\u4ee5\u770b\u6211\u4e4b\u524d\u7684\u8fd9\u7bc7\u6587\u7ae0\uff1a<a href=\"http:\/\/coderbee.net\/index.php\/open-source\/20130812\/400\">http:\/\/coderbee.net\/index.php\/open-source\/20130812\/400<\/a><\/p>\n<hr\/>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: <strong>coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"258\" height=\"258\" src=\"https:\/\/coderbee.net\/wp-content\/uploads\/2019\/01\/coderbee-note.jpg\" class=\"alignnone size-full wp-image-1707\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ffb\u8bd1\u81ea\uff1aMartin Thompson &#8211; Memory Barri &hellip; <a href=\"https:\/\/coderbee.net\/index.php\/concurrent\/20131211\/624\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[126,127,128],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/624"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=624"}],"version-history":[{"count":6,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/624\/revisions"}],"predecessor-version":[{"id":657,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/624\/revisions\/657"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}