{"id":4798,"date":"2021-06-17T11:34:30","date_gmt":"2021-06-17T03:34:30","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=4798"},"modified":"2021-06-17T11:34:30","modified_gmt":"2021-06-17T03:34:30","slug":"udaf%e6%a0%b7%e4%be%8b%e4%b9%8b%e5%a4%9a%e5%88%97%e8%81%9a%e5%90%88%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=4798","title":{"rendered":"UDAF\u6837\u4f8b\u4e4b\u591a\u5217\u805a\u5408\u5206\u6790"},"content":{"rendered":"

\u6982\u8981\u63cf\u8ff0<\/h3>\n

UDAF\u662f\u7528\u6237\u81ea\u5b9a\u4e49\u805a\u5408\u51fd\u6570\u3002Hive\u652f\u6301\u5176\u7528\u6237\u81ea\u884c\u5f00\u53d1\u805a\u5408\u51fd\u6570\u5b8c\u6210\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n

\u901a\u4fd7\u70b9\u8bf4\uff0c\u5c31\u662f\u4f60\u53ef\u80fd\u9700\u8981\u505a\u4e00\u4e9b\u7279\u6b8a\u7684\u751a\u81f3\u662f\u975e\u5e38\u626d\u66f2\u7684\u903b\u8f91\u805a\u5408\uff0c\u4f46\u662fHive\u81ea\u5e26\u7684\u805a\u5408\u51fd\u6570\u4e0d\u591f\u73a9\uff0c\u540c\u65f6\u4e5f\u8fd8\u627e\u4e0d\u5230\u9ad8\u6548\u7684\u7b49\u4ef7\u73a9\u6cd5\uff0c\u90a3\u4e48\uff0c\u8fd9\u65f6\u5019\u5c31\u8be5\u81ea\u5df1\u5199\u4e00\u4e2aUDAF\u4e86\u3002<\/p>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u56f4\u7ed5UADF\u51fd\u6570\u8fdb\u884c\u4ecb\u7ecd\uff0c\u6240\u8c13\u7684UDAF\u51fd\u6570\uff0c\u7b80\u8a00\u800c\u4e4b\u5c31\u662f\u6709\u805a\u5408\u529f\u80fd\u7684\u51fd\u6570\u3002\u5e38\u89c1\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u6bd4\u5982count<\/code>\u3001sum<\/code>\u3001max<\/code>\u3001min<\/code>\u3001avg<\/code>\u7b49\u7b49\u3002<\/p>\n

\n

\u8be6\u7ec6\u8bf4\u660e<\/h3>\n

\u5728\u5b9e\u73b0inceptor\u81ea\u5b9aUDAF\u65f6\uff0c\u9700\u8981\u7ee7\u627forg.apache.hadoop.hive.ql.exec.UDAF\u7c7b\uff0c\u5e76\u5728\u6d3e\u751f\u7c7b\u4e2d\u4ee5\u9759\u6001\u5185\u90e8\u7c7b\u7684\u65b9\u5f0f\u5b9e\u73b0org.apache.hadoop.hive.ql.exec.UDAFEvaluator\u63a5\u53e3\u3002\u8fd9\u79cd\u65b9\u5f0f\u7b80\u5355\u76f4\u63a5\uff0c\u4f46\u662f\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9700\u8981\u4f9d\u8d56JAVA\u53cd\u5c04\u673a\u5236\uff0c\u56e0\u6b64\u6027\u80fd\u76f8\u5bf9\u8f83\u4f4e\u3002\u5728Hive\u6e90\u7801\u5305org.apache.hadoop.hive.contrib.udaf.example\u4e2d\u5305\u542b\u51e0\u4e2a\u793a\u4f8b\u3002\u53ef\u4ee5\u76f4\u63a5\u53c2\u9605\u3002\u4f46\u662f\u8fd9\u4e9b\u63a5\u53e3\u5df2\u7ecf\u88ab\u6ce8\u89e3\u4e3aDeprecated\uff0c\u5efa\u8bae\u4e0d\u8981\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u5f00\u53d1\u65b0\u7684UDAF\u51fd\u6570\u3002<\/p>\n

\u6709\u5174\u8da3\u7684\u540c\u5b66\u53ef\u4ee5\u53c2\u8003Hive\u793e\u533a\u63a8\u8350\u7684\u65b0\u7684\u5199\u6cd5\uff0c\u62bd\u8c61\u7c7b\u4ee3\u66ff\u539f\u6709\u7684\u63a5\u53e3\u3002\n- \u65b0\u7684\u62bd\u8c61\u7c7borg.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver\u66ff\u4ee3\u8001\u7684UDAF\u63a5\u53e3\uff1b\n- \u65b0\u7684\u62bd\u8c61\u7c7borg.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator\u66ff\u4ee3\u8001\u7684UDAFEvaluator\u63a5\u53e3\uff1b\n- **\u672c\u6587\u4e0d\u5bf9\u8be5\u65b9\u6cd5\u505a\u63cf\u8ff0**<\/code><\/pre>\n
\u6807\u51c6UDAF\u7684\u5b9e\u73b0\u6b65\u9aa4\u5982\u4e0b\uff1a<\/strong><\/p>\n
- 1.Iterate\u51fd\u6570\u7528\u4e8e\u805a\u5408\u3002\u5f53\u6bcf\u4e00\u4e2a\u65b0\u7684\u503c\u88ab\u805a\u5408\u65f6\uff0c\u6b64\u51fd\u6570\u88ab\u8c03\u7528\u3002\n- 2.TerminatePartial\u51fd\u6570\u5728\u90e8\u5206\u805a\u5408\u5b8c\u6210\u540e\u88ab\u8c03\u7528\u3002\u5f53hive\u5e0c\u671b\u5f97\u5230\u90e8\u5206\u8bb0\u5f55\u7684\u805a\u5408\u7ed3\u679c\u65f6\uff0c\u6b64\u51fd\u6570\u88ab\u8c03\u7528\u3002\n- 3.Merge\u51fd\u6570\u7528\u4e8e\u5408\u5e76\u5148\u524d\u5f97\u5230\u7684\u90e8\u5206\u805a\u5408\u7ed3\u679c\uff08\u4e5f\u53ef\u4ee5\u7406\u89e3\u4e3a\u5206\u5757\u8bb0\u5f55\u7684\u805a\u5408\u7ed3\u679c\uff09\u3002\n- 4.Terminate\u8fd4\u56de\u6700\u7ec8\u7684\u805a\u5408\u7ed3\u679c\u3002<\/code><\/pre>\n
\u4e0b\u9762\u6211\u4eec\u5f00\u59cb\u7f16\u5199\u81ea\u5df1\u7684UDAF\u51fd\u6570\u3002\u8be5\u51fd\u6570\u7684\u529f\u80fd\u63cf\u8ff0\uff1a<\/p>\n
- \u529f\u80fd1.\u4fdd\u5b58\u5b57\u6bb51\u7684\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u4efb\u4f55\u503c\n- \u529f\u80fd2.\u4fdd\u5b58\u5b57\u6bb52\u6700\u540e\u4e00\u4e2a\u503c\n- \u529f\u80fd3.\u4fdd\u5b58\u5b57\u6bb53\u6700\u540e\u4e00\u4e2a\u975e\u7a7a\u975enull\u7684\u6709\u6548\u503c\n- \u529f\u80fd4.\u5c06\u5b57\u6bb54\u6240\u6709\u975e\u7a7a\u975enull\u7684\u6709\u6548\u503c\u4f7f\u7528\u5206\u9694\u7b26\u8fde\u63a5\u8d77\u6765<\/code><\/pre>\n
\n
\u5b9e\u73b0\u6b65\u9aa4<\/h4>\n
\u4e86\u89e3Hadoop MapReduce\u7684\u540c\u5b66\u5e94\u8be5\u77e5\u9053\uff0c\u4e00\u4e2aMapReduce job \u5206\u4e3amap\u3001combine\u3001reduce\u4e09\u4e2a\u9636\u6bb5\uff0cmap\u9636\u6bb5\u662f\u628a\u51fd\u6570\u5e94\u7528\u4e8e\u8f93\u5165\u6570\u636e\u7684\u6bcf\u4e00\u6761\uff0c\u6784\u5efakey-value\u4f9b\u540e\u7eed\u805a\u5408\uff1bcombine\u9636\u6bb5\u662f\u5728mapper\u7aef\u5c40\u90e8\u8fdb\u884c\u805a\u5408\uff0c\u805a\u5408\u540e\u7684\u4e2d\u95f4\u7ed3\u679c\u4f20\u7ed9reduce\u51fd\u6570\uff0c\u8f93\u5165\u548creduce\u51fd\u6570\u662f\u4e00\u81f4\u7684\uff0c\u88ab\u79f0\u4e3amapper\u7aef\u7684reduce\u3002\u4e86\u89e3\u4e86\u8fd9\u4e2a\u8fc7\u7a0b\u540e\uff0c\u6211\u4eec\u6765\u770bevaluator\u7684\u51e0\u4e2a\u65b9\u6cd5\uff0c\u57fa\u672c\u4e0a\u662f\u5bf9\u5e94\u8fd9\u51e0\u4e2a\u9636\u6bb5\u3002<\/p>\n\n\n\n\n\n\n\n\n\n
\u65b9\u6cd5<\/th>\n\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n
inite<\/td>\n\u521d\u59cb\u5316\u51fd\u6570<\/td>\n<\/tr>\n
iterate<\/td>\n\u4e00\u6761\u4e00\u6761\u5904\u7406\u6570\u636e\uff0c\u5c06\u7ed3\u679c\u5b58\u5165\u7f13\u5b58<\/td>\n<\/tr>\n
terminatePartial<\/td>\n\u8fd9\u4e2a\u65b9\u6cd5\u610f\u5473\u7740map\u9636\u6bb5\u7ed3\u675f\uff0c\u5c06\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u6301\u4e45\u5316\u5b58\u50a8\u3002\u8fd9\u91cc\u8fd4\u56de\u7684\u6570\u636e\u7c7b\u578b\u4ec5\u652f\u6301java\u57fa\u672c\u7c7b\u578b\u3001\u57fa\u672c\u7c7b\u578b\u5305\u88c5\u7c7b\u3001\u6570\u7ec4\u4ee5\u53caHadoop\u7684Writables, Lists\u548cMap\uff0c\u4e0d\u8981\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c7b\u578b<\/td>\n<\/tr>\n
merge<\/td>\n\u63a5\u6536terminatePartial\u8fd4\u56de\u7684\u7ed3\u679c\uff0c\u5408\u5e76\u5c40\u90e8\u805a\u5408\u7ed3\u679c<\/td>\n<\/tr>\n
terminate<\/td>\n\u8fd4\u56de\u6700\u7ec8\u7ed3\u679c\uff0c\u53ef\u4ee5\u5728\u8fd9\u91cc\u5b9e\u73b0\u6700\u540e\u7684\u6c42\u503c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
1. \u4ee3\u7801\u5b9e\u73b0<\/h4>\n
\n
org.apache.hadoop.hive.ql.exec.UDAF\u548corg.apache.hadoop.hive.ql.exec.UDAFEvaluator\u8fd9\u4e24\u4e2a\u7c7b\uff0c\u53ef\u4ee5\u5230inceptor\u5bb9\u5668\u5185\/usr\/lib\/inceptor\/lib\/\u8def\u5f84\u4e0b\u83b7\u53d6<\/p>\n<\/blockquote>\n
import org.apache.hadoop.hive.ql.exec.UDAF;\nimport org.apache.hadoop.hive.ql.exec.UDAFEvaluator;\n\npublic class InceptorUDAF extends UDAF {\n    \/**\n     * \u5728\u5b9e\u73b0inceptor\u81ea\u5b9aUDAF\u65f6\uff0c\u5fc5\u987b\u8981\u7ee7\u627fUDAF\u7c7b\uff0c\u8fd8\u6709\u5728\u8fd9\u4e2a\u7c7b\u7684\u5185\u90e8\u5b9e\u73b0\u4e00\u4e2a\u5185\u90e8\u7c7b\u5b9e\u73b0\u63a5\u53e3UDAFEvaluator\n     * \u5e76\u91cd\u5199\u91cc\u9762\u7684\u56db\u4e2a\u4e3b\u8981\u7684\u65b9\u6cd5\n     *\n     * 1. Iterate\u51fd\u6570\u7528\u4e8e\u805a\u5408\u3002\u5f53\u6bcf\u4e00\u4e2a\u65b0\u7684\u503c\u88ab\u805a\u5408\u65f6\uff0c\u6b64\u51fd\u6570\u88ab\u8c03\u7528\u3002\n     * 2. TerminatePartial\u51fd\u6570\u5728\u90e8\u5206\u805a\u5408\u5b8c\u6210\u540e\u88ab\u8c03\u7528\u3002\u5f53hive\u5e0c\u671b\u5f97\u5230\u90e8\u5206\u8bb0\u5f55\u7684\u805a\u5408\u7ed3\u679c\u65f6\uff0c\u6b64\u51fd\u6570\u88ab\u8c03\u7528\u3002\n     * 3. Merge\u51fd\u6570\u7528\u4e8e\u5408\u5e76\u5148\u524d\u5f97\u5230\u7684\u90e8\u5206\u805a\u5408\u7ed3\u679c\uff08\u4e5f\u53ef\u4ee5\u7406\u89e3\u4e3a\u5206\u5757\u8bb0\u5f55\u7684\u805a\u5408\u7ed3\u679c\uff09\u3002\n     * 4. Terminate\u8fd4\u56de\u6700\u7ec8\u7684\u805a\u5408\u7ed3\u679c\u3002\n     *\n     * \u4e0b\u9762\u4ee3\u7801\u7684\u903b\u8f91\u8981\u5b9e\u73b0\u7684\u662f\uff1a\n     * 1.\u4fdd\u5b58fields3\u7684\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u4efb\u4f55\u503c\n     * 2.\u4fdd\u5b58fields4\u7684\u6700\u540e\u4e00\u4e2a\u503c\n     * 3.\u4fdd\u5b58fields5\u7684\u6700\u540e\u4e00\u4e2a\u975e\u7a7a\u975enull\u7684\u6709\u6548\u503c\n     * 4.\u5c06fields6\u7684\u6240\u6709\u975e\u7a7a\u975enull\u7684\u6709\u6548\u503c\u4f7f\u7528\u5206\u9694\u7b26\u8fde\u63a5\u8d77\u6765\n     * \u8fd4\u56de\u7ed3\u679c\u662f\u201c\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684fields3\uff0c\u6700\u540e\u4e00\u6b21\u51fa\u73b0\u7684fields4\uff0cfields5\u7684\u6700\u540e\u4e00\u4e2a\u975e\u7a7a\u975enull\u7684\u6709\u6548\u503c\uff0cfields6\u6240\u6709\u7684\u975e\u7a7a\u975enull\u7684\u6709\u6548\u503c\u4f7f\u7528\u5206\u9694\u7b26\u8fde\u63a5\u8d77\u6765\u7684\u5b57\u7b26\u4e32\u201d\n     *\/\n    public static class GroupByUDAFEvaluator implements UDAFEvaluator{\n        \/\/ \u4e00\u4e2abean\u7c7b\u8bb0\u5f55\u5b57\u6bb5\u548c\u5206\u9694\u7b26\u4fe1\u606f\n        public static class PartialResult{\n            String filed3;\n            String filed4;\n            String filed5;\n            String filed6;\n            String delimiter;\n        }\n\n        private PartialResult partial;\n\n        public void init() {\n            partial = null;\n        }\n        \/**\n         * \u9700\u8981\u5b9e\u73b0\u7684\u7b2c\u4e00\u4e2a\u65b9\u6cd5\n         * \u6bcf\u4e2a\u9700\u8981\u5904\u7406\u7684\u5904\u7406\u90fd\u8981\u7ecf\u8fc7\u7684\u5904\u7406\n         *\/\n        public boolean iterate(String filed3,String filed4,String filed5 ,String filed6){\n            if(filed3 == null && filed4 == null && filed5 == null && filed6 == null){\n                return true;\n            }\n\n            if(partial == null ){\n                partial = new PartialResult();\n                partial.filed3 = \"\";\n                partial.filed4 = \"\";\n                partial.filed5 = \"\";\n                partial.filed6 = \"\";\n                partial.delimiter = \"-\";\n                \/\/filed3 logical\n                partial.filed3 = filed3;\n            }\n\n            \/\/filed4 logical\n            partial.filed4 = filed4;\n            \/\/filed5 logical\n            if(filed5 != null && !filed5.trim().equals(\"\")) {\n                partial.filed5 = filed5;\n            }\n            \/\/filed6 logical\n            if(filed6 != null && !filed6.trim().equals(\"\")) {\n                if(partial.filed6.length() > 0 ){\n                    partial.filed6 = partial.filed6.concat(partial.delimiter);\n                }\n                partial.filed6 = partial.filed6.concat(filed6);\n            }\n            return true;\n        }\n\n        \/**\n         * \u9700\u8981\u5b9e\u73b0\u7684\u7b2c\u4e8c\u4e2a\u65b9\u6cd5\n         * \u8fd4\u56de\u90e8\u5206\u7ed3\u679c\n         *\/\n        public PartialResult terminatePartial(){\n            return partial;\n        }\n\n        \/**\n         * \u9700\u8981\u5b9e\u73b0\u7684\u7b2c\u4e09\u4e2a\u65b9\u6cd5\n         * \u5c06\u4e24\u4e2a\u90e8\u5206\u7ed3\u679c\u5408\u5e76\n         *\/\n        public boolean merge(PartialResult othe){\n            if (othe == null){\n                return true;\n            }\n\n            if(partial == null ){\n                partial = new PartialResult();\n\n                partial.filed3 = othe.filed3;\n                partial.filed4 = othe.filed4;\n                partial.filed5 = othe.filed5;\n                partial.filed6 = othe.filed6;\n                partial.delimiter = othe.delimiter;\n            } else {\n                \/\/filed4 logical\n                partial.filed4 = othe.filed4;\n                \/\/filed5 logical\n                if(othe.filed5 != null && !othe.filed5.trim().equals(\"\")) {\n                    partial.filed5 = othe.filed5;\n                }\n                \/\/filed6 logical\n                if(othe.filed6 != null && !othe.filed6.trim().equals(\"\")) {\n                    if (partial.filed6.length() >0){\n                        partial.filed6 = partial.filed6.concat(othe.delimiter);\n                    }\n                    partial.filed6 = partial.filed6.concat(othe.filed6);\n                }\n            }\n            return true;\n        }\n\n        \/**\n         * \u9700\u8981\u5b9e\u73b0\u7684\u7b2c\u56db\u4e2a\u65b9\u6cd5\n         * \u6784\u9020\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u8fd4\u56de\u7ed3\u679c\n         *\/\n        public String terminate(){\n            return \"filed3:\"+partial.filed3+\" filed4:\" +partial.filed4+\"  filed5 :\"+partial.filed5+\" filed6: \"+partial.filed6;\n        }\n    }\n}<\/code><\/pre>\n
2. \u6253\u5305\u6210jar\u5305<\/h4>\n
\u6b64\u5904\u5ffd\u7565\uff0c\u53ef\u81ea\u884c\u767e\u5ea6\u4e0d\u540c\u547d\u4ee4\u6216IDE\u5de5\u5177\u7684\u6253\u5305\u65b9\u5f0f\u3002<\/p>\n
\u6ce8\u610f\uff1a\u6253\u5305\u65f6\uff0cjdk\u7248\u672c\u8981\u548cinceptor\u5185\u7684jdk\u7248\u672c\u4fdd\u6301\u4e00\u81f4\uff0c\u5426\u5219\u4f1a\u62a5java.lang.UnsupportedClassVersionError: InceptorUDAF : Unsupported major.minor version 52.0\u7684\u95ee\u9898<\/font><\/p>\n
3. UDF\u6301\u4e45\u5316<\/h4>\n
**4.X\u7248\u672c\uff1a**\n1) udf.jar\u653e\u5230\/usr\/lib\/hive\/lib\u4e2d\uff08\u6bcf\u4e2aexecutor\u8282\u70b9\uff09;\n2) add jar  \/usr\/lib\/hive\/lib\/udf.jar;\n3) create permanent function func_name as 'package.classname';\n\n**5.X\u7248\u672c\u4ee5\u4e0a**\n1) \u628audf.jar\u653e\u5230\/usr\/lib\/inceptor\/lib\u76ee\u5f55\u4e0b\uff0cpush\u5230\u955c\u50cf\u4ed3\u5e93;\n2) \u91cd\u542finceptor\u6765\u83b7\u53d6\u6700\u65b0\u955c\u50cf;\n3) create permanent function func_name as 'package.classname';\n\n\u6ce8\u610f\uff1a\n1) udf\u65e0\u8bba\u662f\u4e34\u65f6\u8fd8\u662f\u6c38\u4e45\uff0c\u5982\u679c\u8981\u5220\u9664\u5e76\u91cd\u65b0\u521b\u5efa\u4f7f\u7528\u76f8\u540c\u7c7b\u6216\u8005jar\u7684\u8bdd\uff0c\u90fd\u8981\u91cd\u542finceptor server;\n2) \u5b98\u65b9\u4e0d\u63a8\u8350\u4f7f\u7528using jar\u7684\u65b9\u5f0f\u662f\u56e0\u4e3a\u6b64\u65b9\u6cd5\u5b58\u5728\u5f02\u5e38\u9690\u60a3\uff0c\u4f1a\u62a5\u627e\u4e0d\u5230jar\u5305\u7684\u9519\u8bef\u3002<\/code><\/pre>\n
\u8fd9\u91cc\u4ee5TDH6.0.2\u7248\u672c\u73af\u5883\u4e3a\u4f8b\uff1a<\/strong><\/p>\n
\u9996\u5148\u5c06InceptorUDAF.jar\u653e\u5230\/usr\/lib\/inceptor\/lib\u76ee\u5f55\u4e0b\uff0cpush\u5230\u955c\u50cf\u4ed3\u5e93\u4e2d\uff0c\u91cd\u542finceptor\u6765\u62c9\u53d6\u6700\u65b0\u955c\u50cf;<\/p>\n
--\u521b\u5efa\u6c38\u4e45\u51fd\u6570\n> CREATE PERMANENT FUNCTION test_group AS 'InceptorUDAF';<\/code><\/pre>\n
--\u6d4b\u8bd5UDAF\u51fd\u6570\n> WITH tb AS\n(\nSELECT 1 AS f3, 11   AS f4,  NULL AS f5, 1111 AS f6 FROM system.dual UNION ALL \nSELECT 3 AS f3, 31   AS f4,  NULL AS f5, null AS f6 FROM system.dual UNION ALL \nSELECT 4 AS f3, 41   AS f4,  411  AS f5, 4111 AS f6 FROM system.dual UNION ALL \nSELECT 5 AS f3, null AS f4,  511  AS f5, null AS f6 FROM system.dual UNION ALL \nSELECT 9 AS f3, null AS f4,  911  AS f5, 9111 AS f6 FROM system.dual\n)\nselect test_group(f3,f4,f5,f6) from tb;\n<\/code><\/pre>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6982\u8981\u63cf\u8ff0 UDAF\u662f\u7528\u6237\u81ea\u5b9a\u4e49\u805a\u5408\u51fd\u6570\u3002Hive\u652f\u6301\u5176\u7528\u6237\u81ea\u884c\u5f00\u53d1\u805a\u5408\u51fd\u6570\u5b8c\u6210\u4e1a\u52a1\u903b\u8f91\u3002 \u901a\u4fd7\u70b9\u8bf4\uff0c\u5c31\u662f\u4f60\u53ef\u80fd ..<\/p>\n
<\/div>\n
Read more<\/a><\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-4798","post","type-post","status-publish","format-standard","hentry","category-configuration"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/4798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4798"}],"version-history":[{"count":1,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/4798\/revisions"}],"predecessor-version":[{"id":6056,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/4798\/revisions\/6056"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}