{"id":2613,"date":"2018-04-05T19:41:44","date_gmt":"2018-04-05T11:41:44","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=2613"},"modified":"2018-04-05T19:41:44","modified_gmt":"2018-04-05T11:41:44","slug":"drools-%e9%a1%b9%e7%9b%ae%e5%ae%9e%e6%88%98%ef%bc%8c%e6%ba%90%e7%a0%81%e5%88%86%e4%ba%ab","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=2613","title":{"rendered":"Drools \u9879\u76ee\u5b9e\u6218\uff0c\u6e90\u7801\u5206\u4eab"},"content":{"rendered":"<p>\n\t\u89c4\u5219\u5f15\u64ce\u8d77\u6e90\u4e8e\u57fa\u4e8e\u89c4\u5219\u7684\u4e13\u5bb6\u7cfb\u7edf\uff0c\u800c\u57fa\u4e8e\u89c4\u5219\u7684\u4e13\u5bb6\u7cfb\u7edf\u53c8\u662f\u4e13\u5bb6\u7cfb\u7edf\u7684\u5176\u4e2d\u4e00\u4e2a\u5206\u652f\u3002\u4e13\u5bb6\u7cfb\u7edf\u5c5e\u4e8e\u4eba\u5de5\u667a\u80fd\u7684\u8303\u7574\uff0c\u5b83\u6a21\u4eff\u4eba\u7c7b\u7684\u63a8\u7406\u65b9\u5f0f\uff0c\u4f7f\u7528\u8bd5\u63a2\u6027\u7684\u65b9\u6cd5\u8fdb\u884c\u63a8\u7406\uff0c\u5e76\u4f7f\u7528\u4eba\u7c7b\u80fd\u7406\u89e3\u7684\u672f\u8bed\u89e3\u91ca\u548c\u8bc1\u660e\u5b83\u7684\u63a8\u7406\u7ed3\u8bba\u3002\n<\/p>\n<p>\n\t\u5229\u7528\u5b83\u5c31\u53ef\u4ee5\u5728\u5e94\u7528\u7cfb\u7edf\u4e2d\u5206\u79bb\u5546\u4e1a\u51b3\u7b56\u8005\u7684\u5546\u4e1a\u51b3\u7b56\u903b\u8f91\u548c\u5e94\u7528\u5f00\u53d1\u8005\u7684\u6280\u672f\u51b3\u7b56\uff0c\u5e76\u628a\u8fd9\u4e9b\u5546\u4e1a\u51b3\u7b56\u653e\u5728\u4e2d\u5fc3\u6570\u636e\u5e93\u6216\u5176\u4ed6\u7edf\u4e00\u7684\u5730\u65b9\uff0c\u8ba9\u5b83\u4eec\u80fd\u5728\u8fd0\u884c\u65f6\u53ef\u4ee5\u52a8\u6001\u5730\u7ba1\u7406\u548c\u4fee\u6539\uff0c\u4ece\u800c\u4e3a\u4f01\u4e1a\u4fdd\u6301\u7075\u6d3b\u6027\u548c\u7ade\u4e89\u529b\u63d0\u4f9b\u6709\u6548\u7684\u6280\u672f\u652f\u6301\u3002\n<\/p>\n<p>\n\t\u5728\u9700\u6c42\u91cc\u9762\u6211\u4eec\u5f80\u5f80\u628a\u7ea6\u675f\uff0c\u5b8c\u6574\u6027\uff0c\u6821\u9a8c\uff0c\u5206\u652f\u6d41\u7b49\u90fd\u53ef\u4ee5\u7b97\u5230\u4e1a\u52a1\u89c4\u5219\u91cc\u9762\u3002\u5728\u89c4\u5219\u5f15\u64ce\u91cc\u9762\u8c08\u7684\u4e1a\u52a1\u89c4\u5219\u91cd\u70b9\u662f\u8c08\u5f53\u6ee1\u8db3\u4ec0\u4e48\u6837\u7684\u6761\u4ef6\u7684\u65f6\u5019\uff0c\u9700\u8981\u6267\u884c\u4ec0\u4e48\u6837\u7684\u64cd\u4f5c\u3002\u56e0\u6b64\u4e00\u4e2a\u5b8c\u6574\u7684\u4e1a\u52a1\u89c4\u5219\u5305\u62ec\u4e86\u6761\u4ef6\u548c\u89e6\u53d1\u64cd\u4f5c\u4e24\u90e8\u5206\u5185\u5bb9\u3002\u800c\u5f15\u64ce\u662f\u4e8b\u7269\u5185\u90e8\u7684\u91cd\u8981\u7684\u8fd0\u884c\u673a\u5236\uff0c\u89c4\u5219\u5f15\u64ce\u5373\u91cd\u70b9\u662f\u89e3\u51b3\u89c4\u5219\u5982\u4f55\u63cf\u8ff0\uff0c\u5982\u4f55\u6267\u884c\uff0c\u5982\u4f55\u76d1\u63a7\u7b49\u4e00\u7cfb\u5217\u95ee\u9898\u3002\n<\/p>\n<p>\n\t\u89c4\u5219\u5f15\u64ce\u7531\u63a8\u7406\u5f15\u64ce\u53d1\u5c55\u800c\u6765\uff0c\u662f\u4e00\u79cd\u5d4c\u5165\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u7ec4\u4ef6\uff0c\u5b9e\u73b0\u4e86\u5c06\u4e1a\u52a1\u51b3\u7b56\u4ece\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u4e2d\u5206\u79bb\u51fa\u6765\uff0c\u5e76\u4f7f\u7528\u9884\u5b9a\u4e49\u7684\u8bed\u4e49\u6a21\u5757\u7f16\u5199\u4e1a\u52a1\u51b3\u7b56\u3002\u63a5\u53d7\u6570\u636e\u8f93\u5165\uff0c\u89e3\u91ca\u4e1a\u52a1\u89c4\u5219\uff0c\u5e76\u6839\u636e\u4e1a\u52a1\u89c4\u5219\u505a\u51fa\u4e1a\u52a1\u51b3\u7b56\u3002\n<\/p>\n<p>\n\tjava\u5f00\u6e90\u7684\u89c4\u5219\u5f15\u64ce\u6709\uff1aDrools\u3001Easy Rules\u3001Mandarax\u3001IBM ILOG\u3002\u4f7f\u7528\u6700\u4e3a\u5e7f\u6cdb\u5e76\u4e14\u5f00\u6e90\u7684\u662fDrools\u3002\n<\/p>\n<h2>\n\t\u89c4\u5219\u5f15\u64ce\u7684\u4f18\u70b9<br \/>\n<\/h2>\n<ul>\n<li>\n<p>\n\t\t\t\u58f0\u660e\u5f0f\u7f16\u7a0b<br \/>\n\t\t\t\u89c4\u5219\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u89e3\u51b3\u56f0\u96be\u7684\u95ee\u9898\uff0c\u5e76\u5f97\u5230\u89e3\u51b3\u65b9\u6848\u7684\u9a8c\u8bc1\u3002\u4e0e\u4ee3\u7801\u4e0d\u540c\uff0c\u89c4\u5219\u4ee5\u8f83\u4e0d\u590d\u6742\u7684\u8bed\u8a00\u7f16\u5199; \u4e1a\u52a1\u5206\u6790\u5e08\u53ef\u4ee5\u8f7b\u677e\u9605\u8bfb\u548c\u9a8c\u8bc1\u4e00\u5957\u89c4\u5219\u3002\n\t\t<\/p>\n<\/li>\n<li>\n<p>\n\t\t\t\u903b\u8f91\u548c\u6570\u636e\u5206\u79bb<br \/>\n\t\t\t\u6570\u636e\u4f4d\u4e8e&ldquo;\u57df\u5bf9\u8c61&rdquo;\u4e2d\uff0c\u4e1a\u52a1\u903b\u8f91\u4f4d\u4e8e&ldquo;\u89c4\u5219&rdquo;\u4e2d\u3002\u6839\u636e\u9879\u76ee\u7684\u79cd\u7c7b\uff0c\u8fd9\u79cd\u5206\u79bb\u662f\u975e\u5e38\u6709\u5229\u7684\u3002\n\t\t<\/p>\n<\/li>\n<li>\n<p>\n\t\t\t\u901f\u5ea6\u548c\u53ef\u6269\u5c55\u6027<br \/>\n\t\t\t\u5199\u5165Drools\u7684Rete OO\u7b97\u6cd5\u5df2\u7ecf\u662f\u4e00\u4e2a\u6210\u719f\u7684\u7b97\u6cd5\u3002\u5728Drools\u7684\u5e2e\u52a9\u4e0b\uff0c\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u53d8\u5f97\u975e\u5e38\u53ef\u6269\u5c55\u3002\u5982\u679c\u9891\u7e41\u66f4\u6539\u8bf7\u6c42\uff0c\u53ef\u4ee5\u6dfb\u52a0\u65b0\u89c4\u5219\uff0c\u800c\u65e0\u9700\u4fee\u6539\u73b0\u6709\u89c4\u5219\u3002\n\t\t<\/p>\n<\/li>\n<li>\n<p>\n\t\t\t\u77e5\u8bc6\u96c6\u4e2d\u5316<br \/>\n\t\t\t\u901a\u8fc7\u4f7f\u7528\u89c4\u5219\uff0c\u60a8\u521b\u5efa\u4e00\u4e2a\u53ef\u6267\u884c\u7684\u77e5\u8bc6\u5e93\uff08\u77e5\u8bc6\u5e93\uff09\u3002\u8fd9\u662f\u5546\u4e1a\u653f\u7b56\u7684\u4e00\u4e2a\u771f\u7406\u70b9\u3002\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u89c4\u5219\u662f\u53ef\u8bfb\u7684\uff0c\u5b83\u4eec\u4e5f\u53ef\u4ee5\u7528\u4f5c\u6587\u6863\u3002\n\t\t<\/p>\n<\/li>\n<\/ul>\n<h2>\n\trete \u7b97\u6cd5<br \/>\n<\/h2>\n<p>\n\tRete \u7b97\u6cd5\u6700\u521d\u662f\u7531\u5361\u5185\u57fa\u6885\u9686\u5927\u5b66\u7684 Charles L.Forgy \u535a\u58eb\u5728 1974 \u5e74\u53d1\u8868\u7684\u8bba\u6587\u4e2d\u6240\u9610\u8ff0\u7684\u7b97\u6cd5 , \u8be5\u7b97\u6cd5\u63d0\u4f9b\u4e86\u4e13\u5bb6\u7cfb\u7edf\u7684\u4e00\u4e2a\u9ad8\u6548\u5b9e\u73b0\u3002\u81ea Rete \u7b97\u6cd5\u63d0\u51fa\u4ee5\u540e , \u5b83\u5c31\u88ab\u7528\u5230\u4e00\u4e9b\u5927\u578b\u7684\u89c4\u5219\u7cfb\u7edf\u4e2d , \u50cf ILog\u3001Jess\u3001JBoss Rules \u7b49\u90fd\u662f\u57fa\u4e8e RETE \u7b97\u6cd5\u7684\u89c4\u5219\u5f15\u64ce\n<\/p>\n<p>\n\tRete \u5728\u62c9\u4e01\u8bed\u4e2d\u8bd1\u4e3a&rdquo;net&rdquo;\uff0c\u5373\u7f51\u7edc\u3002Rete \u5339\u914d\u7b97\u6cd5\u662f\u4e00\u79cd\u8fdb\u884c\u5927\u91cf\u6a21\u5f0f\u96c6\u5408\u548c\u5927\u91cf\u5bf9\u8c61\u96c6\u5408\u95f4\u6bd4\u8f83\u7684\u9ad8\u6548\u65b9\u6cd5\uff0c\u901a\u8fc7\u7f51\u7edc\u7b5b\u9009\u7684\u65b9\u6cd5\u627e\u51fa\u6240\u6709\u5339\u914d\u5404\u4e2a\u6a21\u5f0f\u7684\u5bf9\u8c61\u548c\u89c4\u5219\u3002\n<\/p>\n<p>\n\t\u5176\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u5206\u79bb\u7684\u5339\u914d\u9879\u6839\u636e\u5185\u5bb9\u52a8\u6001\u6784\u9020\u5339\u914d\u6811\uff0c\u4ee5\u8fbe\u5230\u663e\u8457\u964d\u4f4e\u8ba1\u7b97\u91cf\u7684\u6548\u679c\u3002Rete \u7b97\u6cd5\u53ef\u4ee5\u88ab\u5206\u4e3a\u4e24\u4e2a\u90e8\u5206\uff1a\u89c4\u5219\u7f16\u8bd1\u548c\u89c4\u5219\u6267\u884c\u3002\u5f53Rete\u7b97\u6cd5\u8fdb\u884c\u4e8b\u5b9e\u7684\u65ad\u8a00\u65f6\uff0c\u5305\u542b\u4e09\u4e2a\u9636\u6bb5\uff1a\u5339\u914d\u3001\u9009\u62e9\u548c\u6267\u884c\uff0c\u79f0\u505a match-select-act cycle\u3002\n<\/p>\n<p>\n\tRete \u7b97\u6cd5\u89c4\u5219\u76f8\u5173\u7684\u6982\u5ff5\u6709\u5982\u4e0b\u51e0\u4e2a\uff1a\n<\/p>\n<p>\n\tFact\uff1a\u5df2\u7ecf\u5b58\u5728\u7684\u4e8b\u5b9e\uff0c\u5b83\u662f\u6307\u5bf9\u8c61\u4e4b\u95f4\u53ca\u5bf9\u8c61\u5c5e\u6027\u4e4b\u95f4\u7684\u591a\u5143\u5173\u7cfb\uff0c\u4e3a\u7b80\u5355\u8d77\u89c1\uff0c\u4e8b\u5b9e\u7528\u4e00\u4e2a\u4e09\u5143\u7ec4\u6765\u8868\u793a\uff1a\uff08\u6807\u8bc6\u7b26 ^ \u5c5e\u6027 \u503c\uff09\u3002\n<\/p>\n<p>\n\tRule\uff1a\u89c4\u5219\uff0c\u5305\u542b\u6761\u4ef6\u548c\u884c\u4e3a\u4e24\u90e8\u5206\uff0c\u6761\u4ef6\u90e8\u5206\u53c8\u53eb\u5de6\u624b\u5143\uff08LHS\uff09\uff0c\u884c\u4e3a\u90e8\u5206\u53c8\u53eb\u53f3\u624b\u5143\uff08RHS\uff09\u3002\u6761\u4ef6\u90e8\u5206\u53ef\u4ee5\u6709\u591a\u6761\u6761\u4ef6\uff0c\u5e76\u4e14\u53ef\u4ee5\u7528 and \u6216 or \u8fde\u63a5\u3002\n<\/p>\n<p>\n\t<img decoding=\"async\" alt=\"RETE \u7f51\u7edc\" src=\"https:\/\/img-bbs.csdn.net\/upload\/201804\/05\/1522927728_628809.png\" style=\"width: 572px;height: 659px\" \/>\n<\/p>\n<h2>\n\tRete \u7b97\u6cd5\u7684\u5339\u914d\u8fc7\u7a0b<br \/>\n<\/h2>\n<p>\n\t\u5339\u914d\u8fc7\u7a0b\u5982\u4e0b\uff1a\n<\/p>\n<ol>\n<li>\n\t\t\u5bf9\u4e8e\u6bcf\u4e2a\u4e8b\u5b9e\uff0c\u901a\u8fc7 select \u64cd\u4f5c\u8fdb\u884c\u8fc7\u6ee4\uff0c\u4f7f\u4e8b\u5b9e\u6cbf\u7740 rete \u7f51\u8fbe\u5230\u5408\u9002\u7684 alpha \u8282\u70b9\u3002\n\t<\/li>\n<li>\n\t\t\u5bf9\u4e8e\u6536\u5230\u7684\u6bcf\u4e00\u4e2a\u4e8b\u5b9e\u7684 alpha \u8282\u70b9\uff0c\u7528 Project( \u6295\u5f71\u64cd\u4f5c ) \u5c06\u90a3\u4e9b\u9002\u5f53\u7684\u53d8\u91cf\u7ed1\u5b9a\u5206\u79bb\u51fa\u6765\u3002\u4f7f\u5404\u4e2a\u65b0\u7684\u53d8\u91cf\u7ed1\u5b9a\u96c6\u6cbf rete \u7f51\u5230\u8fbe\u9002\u5f53\u7684 bete \u8282\u70b9\u3002\n\t<\/li>\n<li>\n\t\t\u5bf9\u4e8e\u6536\u5230\u65b0\u7684\u53d8\u91cf\u7ed1\u5b9a\u7684 beta \u8282\u70b9\uff0c\u4f7f\u7528 Project \u64cd\u4f5c\u4ea7\u751f\u65b0\u7684\u7ed1\u5b9a\u96c6\uff0c\u4f7f\u8fd9\u4e9b\u65b0\u7684\u53d8\u91cf\u7ed1\u5b9a\u6cbf rete \u7f51\u7edc\u81f3\u4e0b\u4e00\u4e2a beta \u8282\u70b9\u4ee5\u81f3\u6700\u540e\u7684 Project\u3002\n\t<\/li>\n<li>\n\t\t\u5bf9\u4e8e\u6bcf\u6761\u89c4\u5219\uff0c\u7528 project \u64cd\u4f5c\u5c06\u7ed3\u8bba\u5b9e\u4f8b\u5316\u6240\u9700\u7684\u7ed1\u5b9a\u5206\u79bb\u51fa\u6765\u3002\n\t<\/li>\n<\/ol>\n<p>\n\t\u5982\u679c\u628a rete \u7b97\u6cd5\u7c7b\u6bd4\u5230\u5173\u7cfb\u578b\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u5219\u4e8b\u5b9e\u96c6\u5408\u5c31\u662f\u4e00\u4e2a\u5173\u7cfb\uff0c\u6bcf\u6761\u89c4\u5219\u5c31\u662f\u4e00\u4e2a\u67e5\u8be2\uff0c\u518d\u5c06\u6bcf\u4e2a\u4e8b\u5b9e\u7ed1\u5b9a\u5230\u6bcf\u4e2a\u6a21\u5f0f\u4e0a\u7684\u64cd\u4f5c\u770b\u4f5c\u4e00\u4e2a Select \u64cd\u4f5c\uff0c\u8bb0\u4e00\u6761\u89c4\u5219\u4e3a P\uff0c\u89c4\u5219\u4e2d\u7684\u6a21\u5f0f\u4e3a c1,c2,&hellip;,ci, Select \u64cd\u4f5c\u7684\u7ed3\u679c\u8bb0\u4e3a r(ci), \u5219\u89c4\u5219 P \u7684\u5339\u914d\u5373\u4e3a r(c1)\u25c7r(c2)\u25c7&hellip;\u25c7(rci)\u3002\u5176\u4e2d\u25c7\u8868\u793a\u5173\u7cfb\u7684\u8fde\u63a5\uff08Join\uff09\u64cd\u4f5c\u3002\n<\/p>\n<p>\n\tRete \u7f51\u7edc\u7684\u8fde\u63a5\uff08Join\uff09\u548c\u6295\u5f71 (Project) \u548c\u5bf9\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u5f62\u8c61\u5bf9\u6bd4\u5982\u56fe 3 \u6240\u793a\uff1a\n<\/p>\n<p>\n\t<img decoding=\"async\" alt=\"Rete \u7b97\u6cd5\u7684\u5339\u914d\u8fc7\u7a0b\" src=\"https:\/\/img-bbs.csdn.net\/upload\/201804\/05\/1522927670_500362.png\" style=\"width: 572px;height: 218px\" \/>\n<\/p>\n<h2>\n\tDrools \u7a0b\u5e8f<br \/>\n<\/h2>\n<p>\n\t\u5b66\u4e60\u4e00\u6837\u65b0\u4e1c\u897f\u7684\u6700\u597d\u7684\u65b9\u6cd5\u5c31\u662f\u5c1d\u8bd5\u4f7f\u7528\u5b83\uff0c\u4e0b\u9762\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684 Drools \u5e94\u7528\u7a0b\u5e8f\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a Maven \u5de5\u7a0b\uff0c\u7136\u540e\u5728\u5176 pom.xml \u6587\u4ef6\u6dfb\u52a0\u5982\u4e0b\u5305\u4f9d\u8d56\uff1a\n<\/p>\n<pre class=\"brush:xml;\">\r\n&lt;dependencies&gt;\r\n    &lt;dependency&gt;\r\n        &lt;groupId&gt;org.kie&lt;\/groupId&gt;\r\n        &lt;artifactId&gt;kie-api&lt;\/artifactId&gt;\r\n        &lt;version&gt;6.5.0.Final&lt;\/version&gt;\r\n    &lt;\/dependency&gt;\r\n    &lt;dependency&gt;\r\n        &lt;groupId&gt;org.drools&lt;\/groupId&gt;\r\n        &lt;artifactId&gt;drools-compiler&lt;\/artifactId&gt;\r\n        &lt;version&gt;6.5.0.Final&lt;\/version&gt;\r\n        &lt;scope&gt;runtime&lt;\/scope&gt;\r\n    &lt;\/dependency&gt;\r\n    &lt;dependency&gt;\r\n        &lt;groupId&gt;junit&lt;\/groupId&gt;\r\n        &lt;artifactId&gt;junit&lt;\/artifactId&gt;\r\n        &lt;version&gt;4.12&lt;\/version&gt;\r\n    &lt;\/dependency&gt;\r\n&lt;\/dependencies&gt;<\/pre>\n<p>\n\t\u5728 resources \u76ee\u5f55\u4e0b\u521b\u5efa\u6587\u4ef6 helloworld.drl \u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a\n<\/p>\n<pre class=\"brush:xml;\">\r\npackage helloworld;\r\n\r\nrule &quot;HelloWorld&quot;\r\n    when\r\n        eval(true)\r\n    then\r\n        System.out.println(&quot;HelloWorld&quot;);\r\nend<\/pre>\n<p>\n\t\u5728 resources\/META-INF \u76ee\u5f55\u4e0b\u521b\u5efa kmodule.xml \u6587\u4ef6\uff0ckmodule.xml \u7528\u6765\u63cf\u8ff0\u77e5\u8bc6\u5e93\u8d44\u6e90\u7684\u9009\u62e9\u53ca\u77e5\u8bc6\u5e93\u4e0e\u4f1a\u8bdd\u7684\u914d\u7f6e\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a\n<\/p>\n<pre class=\"brush:xml;\">\r\n&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; ?&gt;\r\n&lt;kmodule xmlns=&quot;http:\/\/www.drools.org\/xsd\/kmodule&quot;&gt;\r\n    &lt;kbase name=&quot;helloWorldBase&quot;&gt;\r\n        &lt;ksession name=&quot;helloWorldSession&quot;\/&gt;\r\n    &lt;\/kbase&gt;\r\n&lt;\/kmodule&gt;<\/pre>\n<p>\n\t\u521b\u5efa\u5355\u5143\u6d4b\u8bd5\u7c7b HelloWorldTest\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a\n<\/p>\n<pre class=\"brush:java;\">\r\npublic class HelloWorldTest {\r\n    @Test\r\n    public void testHelloWorld() {\r\n        KieServices kieServices = KieServices.Factory.get();\r\n        KieContainer kieContainer = kieServices.newKieClasspathContainer();\r\n        KieSession kieSession = kieContainer.newKieSession(&quot;helloWorldSession&quot;);\r\n        kieSession.fireAllRules();\r\n        kieSession.dispose();\r\n    }\r\n}<\/pre>\n<h2>\n\t\u89c4\u5219\u8bed\u6cd5\u7b80\u4ecb<br \/>\n<\/h2>\n<p>\n\t&nbsp;\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u6267\u884c\u4e86\u6211\u4eec\u7684\u7b2c\u4e00\u6761\u89c4\u5219\uff0c\u662f\u65f6\u5019\u53bb\u4e86\u89e3\u4e00\u4e0b\u89c4\u5219\u8bed\u8a00\u4e86\u3002\u6211\u4eec\u5148\u5206\u6790\u4e0b\u6211\u4eec\u4e4b\u524d\u5199\u7684\u89c4\u5219\uff0c\u5b83\u7684\u7ed3\u6784\u7531\u6761\u4ef6\u548c\u7ed3\u679c\u7ec4\u6210\uff1a\n<\/p>\n<pre class=\"brush:plain;\">\r\npackage \u5305\u540d\r\n\r\nrule &quot;\u89c4\u5219\u540d&quot;\r\nwhen\r\n    (\u6761\u4ef6) - \u4e5f\u53eb\u4f5c\u89c4\u5219\u7684 LHS(Left Hand Side)\r\nthen\r\n    (\u52a8\u4f5c\/\u7ed3\u679c) - \u4e5f\u53eb\u4f5c\u89c4\u5219\u7684 RHS(Right Hand Side)\r\nend<\/pre>\n<p>\n\t\u89c4\u5219\u5f15\u64ce\u867d\u7136\u975e\u5e38\u5f3a\u5927\uff0c\u4f46\u5e76\u975e\u6240\u6709\u573a\u666f\u90fd\u9002\u7528\u3002\u5177\u4f53\u53ef\u4ee5\u6839\u636e\u5927\u5bb6\u7684\u9879\u76ee\u6765\u9009\u62e9\u5427\uff01<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=2613\">Drools \u9879\u76ee\u5b9e\u6218\uff0c\u6e90\u7801\u5206\u4eab<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u89c4\u5219\u5f15\u64ce\u8d77\u6e90\u4e8e\u57fa\u4e8e\u89c4\u5219\u7684\u4e13\u5bb6\u7cfb\u7edf\uff0c\u800c\u57fa\u4e8e\u89c4\u5219\u7684\u4e13\u5bb6\u7cfb\u7edf\u53c8\u662f\u4e13\u5bb6\u7cfb\u7edf\u7684\u5176\u4e2d\u4e00\u4e2a\u5206\u652f\u3002\u4e13\u5bb6\u7cfb\u7edf\u5c5e\u4e8e\u4eba\u5de5\u667a\u80fd\u7684\u8303\u7574\uff0c [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[1608,871,69,172,75],"class_list":["post-2613","post","type-post","status-publish","format-standard","hentry","category-java","tag-drools","tag-idea","tag-java","tag-172","tag-75"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2613"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2613\/revisions"}],"predecessor-version":[{"id":2614,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/2613\/revisions\/2614"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}