{"id":5051,"date":"2021-02-03T01:31:12","date_gmt":"2021-02-02T17:31:12","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=5051"},"modified":"2021-02-03T01:31:12","modified_gmt":"2021-02-02T17:31:12","slug":"a%e6%98%9f%e5%af%bb%e8%b7%af%e7%ae%97%e6%b3%95%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/5051","title":{"rendered":"A\u661f\u5bfb\u8def\u7b97\u6cd5\u4ecb\u7ecd"},"content":{"rendered":"<p class=\"postTitle\"><a href=\"https:\/\/www.cnblogs.com\/zhoug2020\/p\/3468167.html\">\u539f\u6587\u5730\u5740<\/a><\/p>\n<p>&nbsp;<\/p>\n<div id=\"cnblogs_post_body\" class=\"blogpost-body\">\n<p>\u4f60\u662f\u5426\u5728\u505a\u4e00\u6b3e\u6e38\u620f\u7684\u65f6\u5019\u60f3\u521b\u9020\u4e00\u4e9b\u602a\u517d\u6216\u8005\u6e38\u620f\u4e3b\u89d2\uff0c\u8ba9\u5b83\u4eec\u79fb\u52a8\u5230\u7279\u5b9a\u7684\u4f4d\u7f6e\uff0c\u907f\u5f00\u5899\u58c1\u548c\u969c\u788d\u7269\u5462\uff1f<\/p>\n<p>\u5982\u679c\u662f\u7684\u8bdd\uff0c\u8bf7\u770b\u8fd9\u7bc7\u6559\u7a0b\uff0c\u6211\u4eec\u4f1a\u5c55\u793a\u5982\u4f55\u4f7f\u7528A\u661f\u5bfb\u8def\u7b97\u6cd5\u6765\u5b9e\u73b0\u5b83\uff01<\/p>\n<p>\u5728\u7f51\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u7bc7\u5173\u4e8eA\u661f\u5bfb\u8def\u7b97\u6cd5\u7684\u6587\u7ae0\uff0c\u4f46\u662f\u5927\u90e8\u5206\u90fd\u662f\u63d0\u4f9b\u7ed9\u5df2\u7ecf\u4e86\u89e3\u57fa\u672c\u539f\u7406\u7684\u9ad8\u7ea7\u5f00\u53d1\u8005\u7684\u3002<\/p>\n<p>\u672c\u7bc7\u6559\u7a0b\u5c06\u4ece\u6700\u57fa\u672c\u7684\u539f\u7406\u8bb2\u8d77\u3002\u6211\u4eec\u4f1a\u4e00\u6b65\u6b65\u8bb2\u89e3A\u661f\u5bfb\u8def\u7b97\u6cd5\uff0c\u5e77\u914d\u6709\u5f88\u591a\u56fe\u89e3\u548c\u4f8b\u5b50\u3002<\/p>\n<p>\u4e0d\u7ba1\u4f60\u4f7f\u7528\u7684\u662f\u4ec0\u4e48\u7f16\u7a0b\u8bed\u8a00\u6216\u8005\u64cd\u4f5c\u5e73\u53f0\uff0c\u4f60\u4f1a\u53d1\u73b0\u672c\u7bc7\u6559\u7a0b\u5f88\u6709\u5e2e\u52a9\uff0c\u56e0\u4e3a\u5b83\u5728\u975e\u7f16\u7a0b\u8bed\u8a00\u7684\u5c42\u9762\u4e0a\u89e3\u91ca\u4e86\u7b97\u6cd5\u7684\u539f\u7406\u3002\u7a0d\u540e\uff0c\u4f1a\u6709\u4e00\u7bc7\u6559\u7a0b\uff0c\u5c55\u793a\u5982\u4f55\u5728Cocos2D iPhone \u6e38\u620f\u4e2d\u5b9e\u73b0A\u661f\u7b97\u6cd5\u3002<\/p>\n<p>\u73b0\u5728\u627e\u4e0b\u5230\u8fbe\u4e00\u676f\u5496\u5561\u56e0\u996e\u6599\u548c\u7f8e\u5473\u7684\u96f6\u98df\u7684\u6700\u77ed\u8def\u5f84\uff0c\u5f00\u59cb\u5427\uff01:]<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>\u4e00\u53ea\u63a2\u8def\u732b<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>\u8ba9\u6211\u4eec\u60f3\u8c61\u4e00\u4e0b\uff0c\u6709\u4e00\u6b3e\u6e38\u620f\uff0c\u6e38\u620f\u4e2d\u4e00\u53ea\u732b\u60f3\u8981\u627e\u5230\u83b7\u53d6\u9aa8\u5934\u7684\u8def\u7ebf\u3002<\/p>\n<p>\u201c\u4e3a\u4ec0\u4e48\u4f1a\u6709\u4e00\u53ea\u732b\u60f3\u8981\u9aa8\u5934\uff1f\uff01\u201d\u4f60\u53ef\u80fd\u4f1a\u8fd9\u4e48\u60f3\u3002\u5728\u672c\u6e38\u620f\u4e2d\uff0c \u8fd9\u662f\u4e00\u53ea\u72e1\u733e\u7684\u732b\uff0c\u4ed6\u60f3\u6361\u8d77\u9aa8\u5934\u7ed9\u72d7\uff0c\u4ee5\u9632\u6b62\u88ab\u54ac\u6b7b\uff01:]<\/p>\n<p>\u73b0\u5728\u60f3\u50cf\u4e00\u4e0b\u4e0b\u56fe\u4e2d\u7684\u732b\u60f3\u627e\u5230\u5230\u8fbe\u9aa8\u5934\u7684\u6700\u77ed\u8def\u5f84\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819082459756-359321898.jpg\" alt=\"\" \/><\/p>\n<p>\u4e0d\u5e78\u7684\u662f\uff0c\u732b\u4e0d\u80fd\u76f4\u63a5\u4ece\u5b83\u5f53\u524d\u7684\u4f4d\u7f6e\u8d70\u5230\u9aa8\u5934\u7684\u4f4d\u7f6e\uff0c\u56e0\u4e3a\u6709\u9762\u5899\u6321\u4f4f\u4e86\u53bb\u8def\uff0c\u800c\u4e14\u5b83\u5728\u6e38\u620f\u4e2d\u4e0d\u662f\u4e00\u53ea\u5e7d\u7075\u732b\uff01<\/p>\n<p>\u6e38\u620f\u4e2d\u7684\u732b\u540c\u6837\u61d2\u60f0\uff0c\u5b83\u603b\u662f\u60f3\u627e\u5230\u6700\u77ed\u8def\u5f84\uff0c\u8fd9\u6837\u5f53\u4ed6\u56de\u5bb6\u770b\u671b\u5b83\u7684\u5973\u670b\u53cb\u65f6\u4e0d\u4f1a\u592a\u7d2f:-)<\/p>\n<p>\u4f46\u662f\u6211\u4eec\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u7b97\u6cd5\u8ba1\u7b97\u51fa\u732b\u8981\u9009\u62e9\u7684\u90a3\u6761\u8def\u5f84\u5462\uff1fA\u661f\u7b97\u6cd5\u62ef\u6551\u4e86\u6211\u4eec\uff01<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>\u7b80\u5316\u641c\u7d22\u533a\u57df<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>\u5bfb\u8def\u7684\u7b2c\u4e00\u6b65\u662f\u7b80\u5316\u6210\u5bb9\u6613\u63a7\u5236\u7684\u641c\u7d22\u533a\u57df\u3002<\/p>\n<p>\u600e\u4e48\u5904\u7406\u8981\u6839\u636e\u6e38\u620f\u6765\u51b3\u5b9a\u4e86\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u641c\u7d22\u533a\u57df\u5212\u5206\u6210\u50cf\u7d20\u70b9\uff0c\u4f46\u662f\u8fd9\u6837\u7684\u5212\u5206\u7c92\u5ea6\u5bf9\u4e8e\u6211\u4eec\u8fd9\u6b3e\u57fa\u4e8e\u65b9\u5757\u7684\u6e38\u620f\u6765\u8bf4\u592a\u9ad8\u4e86\uff08\u6ca1\u5fc5\u8981\uff09\u3002<\/p>\n<p>\u4f5c\u4e3a\u4ee3\u66ff\uff0c\u6211\u4eec\u4f7f\u7528\u65b9\u5757\uff08\u4e00\u4e2a\u6b63\u65b9\u5f62\uff09\u4f5c\u4e3a\u5bfb\u8def\u7b97\u6cd5\u7684\u5355\u5143\u3002\u5176\u4ed6\u7684\u5f62\u72b6\u7c7b\u578b\u4e5f\u662f\u53ef\u80fd\u7684\uff08\u6bd4\u5982\u4e09\u89d2\u5f62\u6216\u8005\u516d\u8fb9\u5f62\uff09\uff0c\u4f46\u662f\u6b63\u65b9\u5f62\u662f\u6700\u7b80\u5355\u5e76\u4e14\u6700\u9002\u5408\u6211\u4eec\u9700\u6c42\u7684\u3002<\/p>\n<p>\u50cf\u90a3\u6837\u53bb\u5212\u5206\uff0c\u6211\u4eec\u7684\u641c\u7d22\u533a\u57df\u53ef\u4ee5\u7b80\u5355\u7684\u7528\u4e00\u4e2a\u5730\u56fe\u5927\u5c0f\u7684\u4e8c\u7ef4\u6570\u7ec4\u53bb\u8868\u793a\u3002\u6240\u4ee5\u5982\u679c\u662f25*25\u65b9\u5757\u5927\u5c0f\u7684\u5730\u56fe\uff0c\u6211\u4eec\u7684\u641c\u7d22\u533a\u57df\u5c06\u4f1a\u662f\u4e00\u4e2a\u6709625 \u4e2a\u6b63\u65b9\u5f62\u7684\u6570\u7ec4\u3002\u5982\u679c\u6211\u4eec\u628a\u5730\u56fe\u5212\u5206\u6210\u50cf\u7d20\u70b9\uff0c\u641c\u7d22\u533a\u57df\u5c31\u662f\u4e00\u4e2a\u6709640\uff0c000\u4e2a\u6b63\u65b9\u5f62\u7684\u6570\u7ec4\u4e86\uff08\u4e00\u4e2a\u65b9\u5757\u662f32*32\u50cf\u7d20\uff09\uff01<\/p>\n<p>\u73b0\u5728\u8ba9\u6211\u4eec\u57fa\u4e8e\u76ee\u524d\u7684\u533a\u57df\uff0c\u628a\u533a\u57df\u5212\u5206\u6210\u591a\u4e2a\u65b9\u5757\u6765\u4ee3\u8868\u641c\u7d22\u7a7a\u95f4\uff08\u5728\u8fd9\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u4e2d\uff0c7*6\u4e2a\u65b9\u5757 = 42 \u4e2a\u65b9\u5757\uff09\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819082652912-1478327702.jpg\" alt=\"\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Open\u548cClosed\u5217\u8868<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>\u65e2\u7136\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u641c\u7d22\u533a\u57df\uff0c\u6211\u4eec\u6765\u8ba8\u8bba\u4e0bA\u661f\u7b97\u6cd5\u7684\u5de5\u4f5c\u539f\u7406\u5427\u3002<\/p>\n<p>\u9664\u4e86\u61d2\u60f0\u4e4b\u5916\uff0c\u6211\u4eec\u7684\u732b\u6ca1\u6709\u597d\u7684\u8bb0\u5fc6\u529b\uff0c\u6240\u4ee5\u5b83\u9700\u8981\u4e24\u4e2a\u5217\u8868\uff1a<\/p>\n<ol>\n<li>\u4e00\u4e2a\u8bb0\u5f55\u4e0b\u6240\u6709\u88ab\u8003\u8651\u6765\u5bfb\u627e\u6700\u77ed\u8def\u5f84\u7684\u65b9\u5757\uff08\u79f0\u4e3aopen \u5217\u8868\uff09<\/li>\n<li>\u4e00\u4e2a\u8bb0\u5f55\u4e0b\u4e0d\u4f1a\u518d\u88ab\u8003\u8651\u7684\u65b9\u5757\uff08\u6210\u4e3aclosed\u5217\u8868\uff09<\/li>\n<\/ol>\n<p>\u732b\u9996\u5148\u5728closed\u5217\u8868\u4e2d\u6dfb\u52a0\u5f53\u524d\u4f4d\u7f6e\uff08\u6211\u4eec\u628a\u8fd9\u4e2a\u5f00\u59cb\u70b9\u79f0\u4e3a\u70b9 \u201cA\u201d\uff09\u3002\u7136\u540e\uff0c\u628a\u6240\u6709\u4e0e\u5b83\u5f53\u524d\u4f4d\u7f6e\u76f8\u90bb\u7684\u53ef\u901a\u884c\u5c0f\u65b9\u5757\u6dfb\u52a0\u5230open\u5217\u8868\u4e2d\u3002<\/p>\n<p>\u4e0b\u56fe\u662f\u732b\u5728\u67d0\u4e00\u4f4d\u7f6e\u65f6\u7684\u60c5\u666f\uff08\u7eff\u8272\u4ee3\u8868open\u5217\u8868\uff09:<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819082743459-623958925.jpg\" alt=\"\" \/><\/p>\n<p>\u73b0\u5728\u732b\u9700\u8981\u5224\u65ad\u5728\u8fd9\u4e9b\u9009\u9879\u4e2d\uff0c\u54ea\u9879\u624d\u662f\u6700\u77ed\u8def\u5f84\uff0c\u4f46\u662f\u5b83\u8981\u5982\u4f55\u53bb\u9009\u62e9\u5462\uff1f<\/p>\n<p>\u5728A\u661f\u5bfb\u8def\u7b97\u6cd5\u4e2d\uff0c\u901a\u8fc7\u7ed9\u6bcf\u4e00\u4e2a\u65b9\u5757\u4e00\u4e2a\u548c\u503c\uff0c\u8be5\u503c\u88ab\u79f0\u4e3a\u8def\u5f84\u589e\u91cf\u3002\u8ba9\u6211\u4eec\u770b\u4e0b\u5b83\u7684\u5de5\u4f5c\u539f\u7406\uff01<\/p>\n<h2>\u8def\u5f84\u589e\u91cf<\/h2>\n<p>&nbsp;<\/p>\n<p>\u6211\u4eec\u5c06\u4f1a\u7ed9\u6bcf\u4e2a\u65b9\u5757\u4e00\u4e2aG+H 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\u4ec5\u4ec5\u662f\u65b9\u5757\u7684\u6570\u91cf\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5728\u6e38\u620f\u4e2d\u4f60\u53ef\u4ee5\u5bf9\u8fd9\u4e2a\u503c\u505a\u8c03\u6574\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u4f60\u5141\u8bb8\u5bf9\u89d2\u7ebf\u79fb\u52a8\uff0c\u4f60\u53ef\u4ee5\u9488\u5bf9\u5bf9\u89d2\u7ebf\u79fb\u52a8\u628a\u79fb\u52a8\u91cf\u8c03\u5f97\u5927\u4e00\u70b9\u3002<\/li>\n<li>\u5982\u679c\u4f60\u6709\u4e0d\u540c\u7684\u5730\u5f62\uff0c\u4f60\u53ef\u4ee5\u5c06\u76f8\u5e94\u7684\u79fb\u52a8\u91cf\u8c03\u6574\u5f97\u5927\u4e00\u70b9 \u2013 \u4f8b\u5982\u9488\u5bf9\u4e00\u5757\u6cbc\u6cfd\uff0c\u6c34\uff0c\u6216\u8005\u732b\u5973\u6d77\u62a5:-)<\/li>\n<\/ul>\n<p>\u8fd9\u5c31\u662f\u5927\u6982\u7684\u610f\u601d \u2013 \u73b0\u5728\u8ba9\u6211\u4eec\u8be6\u7ec6\u5206\u6790\u4e0b\u5982\u4f55\u8ba1\u7b97\u51faG\u548cH\u503c\u3002<\/p>\n<h2>\u5173\u4e8eG\u503c<\/h2>\n<p>&nbsp;<\/p>\n<p>G\u662f\u4ece\u5f00\u59cb\u70b9A\u5230\u8fbe\u5f53\u524d\u65b9\u5757\u7684\u79fb\u52a8\u91cf\uff08\u5728\u672c\u6e38\u620f\u4e2d\u662f\u6307\u65b9\u5757\u7684\u6570\u76ee\uff09\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba1\u7b97\u51faG\u7684\u503c\uff0c\u6211\u4eec\u9700\u8981\u4ece\u5b83\u7684\u524d\u7ee7\uff08\u4e0a\u4e00\u4e2a\u65b9\u5757\uff09\u83b7\u53d6\uff0c\u7136\u540e\u52a01\u3002\u6240\u4ee5\uff0c\u6bcf\u4e2a\u65b9\u5757\u7684G\u503c\u4ee3\u8868\u4e86\u4ece\u70b9A\u5230\u8be5\u65b9\u5757\u6240\u5f62\u6210\u8def\u5f84\u7684\u603b\u79fb\u52a8\u91cf\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4e0b\u56fe\u5c55\u793a\u4e86\u4e24\u6761\u5230\u8fbe\u4e0d\u540c\u9aa8\u5934\u7684\u8def\u5f84\uff0c\u6bcf\u4e2a\u65b9\u5757\u90fd\u6807\u6709\u5b83\u7684G\u503c\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819082950146-138898236.jpg\" alt=\"\" \/><\/p>\n<h2>\u5173\u4e8eH\u503c<\/h2>\n<p>H\u503c\u662f\u4ece\u5f53\u524d\u65b9\u5757\u5230\u7ec8\u70b9\u7684\u79fb\u52a8\u91cf\u4f30\u7b97\u503c\uff08\u5728\u672c\u6e38\u620f\u4e2d\u662f\u6307\u65b9\u5757\u7684\u6570\u76ee\uff09\u3002<\/p>\n<p>\u79fb\u52a8\u91cf\u4f30\u7b97\u503c\u79bb\u771f\u5b9e\u503c\u8d8a\u63a5\u8fd1\uff0c\u6700\u7ec8\u7684\u8def\u5f84\u4f1a\u66f4\u52a0\u7cbe\u786e\u3002\u5982\u679c\u4f30\u7b97\u503c\u505c\u6b62\u4f5c\u7528\uff0c\u5f88\u53ef\u80fd\u751f\u6210\u51fa\u6765\u7684\u8def\u5f84\u4e0d\u4f1a\u662f\u6700\u77ed\u7684\uff08\u4f46\u662f\u5b83\u53ef\u80fd\u662f\u63a5\u8fd1\u7684\uff09\u3002\u8fd9\u4e2a\u9898\u76ee\u76f8\u5bf9\u590d\u6742\uff0c\u6240\u4ee5\u6211\u4eec\u4e0d\u4f1a\u518d\u672c\u6559\u7a0b\u4e2d\u8bb2\u89e3\uff0c\u4f46\u662f\u6211\u5728\u6559\u7a0b\u7684\u672b\u5c3e\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7f51\u7edc\u94fe\u63a5\uff0c\u5bf9\u5b83\u505a\u4e86\u5f88\u597d\u7684\u89e3\u91ca\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba9\u5b83\u66f4\u7b80\u5355\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u201c\u66fc\u54c8\u987f\u8ddd\u79bb\u65b9\u6cd5\u201d\uff08\u4e5f\u53eb\u201c\u66fc\u54c8\u987f\u957f\u201d\u6216\u8005\u201c\u57ce\u5e02\u8857\u533a\u8ddd\u79bb\u201d\uff09\uff0c\u5b83\u53ea\u662f\u8ba1\u7b97\u51fa\u8ddd\u79bb\u70b9B\uff0c\u5269\u4e0b\u7684\u6c34\u5e73\u548c\u5782\u76f4\u7684\u65b9\u5757\u6570\u91cf\uff0c\u7565\u53bb\u4e86\u969c\u788d\u7269\u6216\u8005\u4e0d\u540c\u9646\u5730\u7c7b\u578b\u7684\u6570\u91cf\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4e0b\u56fe\u5c55\u793a\u4e86\u4f7f\u7528\u201c\u57ce\u5e02\u8857\u533a\u8ddd\u79bb\u201d\uff0c\u4ece\u4e0d\u540c\u7684\u5f00\u59cb\u70b9\u5230\u7ec8\u70b9\uff0c\u53bb\u4f30\u7b97H\u7684\u503c\uff08\u9ed1\u8272\u5b57\uff09\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083028553-1899045722.jpg\" alt=\"\" \/><\/p>\n<h2>A\u661f\u7b97\u6cd5<\/h2>\n<p>&nbsp;<\/p>\n<p>\u65e2\u7136\u4f60\u77e5\u9053\u5982\u4f55\u8ba1\u7b97\u6bcf\u4e2a\u65b9\u5757\u7684\u548c\u503c\uff08\u6211\u4eec\u5c06\u5b83\u79f0\u4e3aF\uff0c\u7b49\u4e8eG+H), \u00a0\u6211\u4eec\u6765\u770b\u4e0bA\u661f\u7b97\u6cd5\u7684\u539f\u7406\u3002<\/p>\n<p>\u732b\u4f1a\u91cd\u590d\u4ee5\u4e0b\u6b65\u9aa4\u6765\u627e\u5230\u6700\u77ed\u8def\u5f84\uff1a<\/p>\n<ol>\n<li>\u5c06\u65b9\u5757\u6dfb\u52a0\u5230open\u5217\u8868\u4e2d\uff0c\u8be5\u5217\u8868\u6709\u6700\u5c0f\u7684\u548c\u503c\u3002\u4e14\u5c06\u8fd9\u4e2a\u65b9\u5757\u79f0\u4e3aS\u5427\u3002<\/li>\n<li>\u5c06S\u4eceopen\u5217\u8868\u79fb\u9664\uff0c\u7136\u540e\u6dfb\u52a0S\u5230closed\u5217\u8868\u4e2d\u3002<\/li>\n<li>\u5bf9\u4e8e\u4e0eS\u76f8\u90bb\u7684\u6bcf\u4e00\u5757\u53ef\u901a\u884c\u7684\u65b9\u5757T\uff1a<\/li>\n<\/ol>\n<ul>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>\u5982\u679cT\u5728closed\u5217\u8868\u4e2d\uff1a\u4e0d\u7ba1\u5b83\u3002<\/li>\n<li>\u5982\u679cT\u4e0d\u5728open\u5217\u8868\u4e2d\uff1a\u6dfb\u52a0\u5b83\u7136\u540e\u8ba1\u7b97\u51fa\u5b83\u7684\u548c\u503c\u3002<\/li>\n<li>\u5982\u679cT\u5df2\u7ecf\u5728open\u5217\u8868\u4e2d\uff1a\u5f53\u6211\u4eec\u4f7f\u7528\u5f53\u524d\u751f\u6210\u7684\u8def\u5f84\u5230\u8fbe\u90a3\u91cc\u65f6\uff0c\u68c0\u67e5F \u548c\u503c\u662f\u5426\u66f4\u5c0f\u3002\u5982\u679c\u662f\uff0c\u66f4\u65b0\u5b83\u7684\u548c\u503c\u548c\u5b83\u7684\u524d\u7ee7\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u5bf9\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u8fd8\u6709\u70b9\u7591\u60d1\uff0c\u4e0d\u7528\u62c5\u5fc3 \u2013 \u6211\u4eec\u4f1a\u7528\u4f8b\u5b50\u4e00\u6b65\u6b65\u4ecb\u7ecd\u5b83\u7684\u539f\u7406\uff01:]<\/p>\n<h2><strong>\u732b\u7684\u8def\u5f84<\/strong><\/h2>\n<p>\u8ba9\u6211\u4eec\u770b\u4e0b\u6211\u4eec\u7684\u61d2\u732b\u5230\u8fbe\u9aa8\u5934\u7684\u884c\u7a0b\u4f8b\u5b50\u3002<\/p>\n<p>\u5728\u4e0b\u56fe\u4e2d\uff0c\u6211\u6839\u636e\u4ee5\u4e0b\u5185\u5bb9\uff0c\u5217\u51fa\u4e86\u516c\u5f0fF = G + H \u4e2d\u7684\u6bcf\u9879\u503c\uff1a<\/p>\n<ul>\n<li>F\uff08\u65b9\u5757\u7684\u548c\u503c\uff09\uff1a\u5de6\u4e0a\u89d2<\/li>\n<li>G\uff08\u4eceA\u70b9\u5230\u65b9\u5757\u7684\u79fb\u52a8\u91cf\uff09\uff1a\u5de6\u4e0b\u89d2<\/li>\n<li>H\uff08\u4ece\u65b9\u5757\u5230B\u70b9\u7684\u4f30\u7b97\u79fb\u52a8\u91cf): \u53f3\u4e0b\u89d2<\/li>\n<\/ul>\n<p>\u540c\u65f6\uff0c\u7bad\u5934\u6307\u793a\u4e86\u5230\u8fbe\u76f8\u5e94\u65b9\u5757\u7684\u79fb\u52a8\u65b9\u5411\u3002<\/p>\n<p>\u6700\u540e\uff0c\u5728\u6bcf\u4e00\u6b65\u4e2d\uff0c\u7ea2\u8272\u65b9\u5757\u8868\u793aclosed\u5217\u8868\uff0c\u7eff\u8272\u65b9\u5757\u8868\u793aopen\u5217\u8868\u3002<\/p>\n<p>\u597d\u7684\uff0c\u6211\u4eec\u5f00\u59cb\u5427\uff01<\/p>\n<p>\u7b2c\u4e00\u6b65<\/p>\n<p>\u7b2c\u4e00\u6b65\uff0c\u732b\u4f1a\u786e\u5b9a\u76f8\u5bf9\u4e8e\u5f00\u59cb\u4f4d\u7f6e\uff08\u70b9A\uff09\u7684\u76f8\u90bb\u65b9\u5757\uff0c\u8ba1\u7b97\u51fa\u4ed6\u4eec\u7684F\u548c\u503c\uff0c\u7136\u540e\u628a\u4ed6\u4eec\u6dfb\u52a0\u5230open\u5217\u8868\u4e2d\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083545506-1170536030.jpg\" alt=\"\" \/><\/p>\n<p>\u4f60\u4f1a\u770b\u5230\u6bcf\u4e2a\u65b9\u5757\u90fd\u5217\u51fa\u4e86H\u503c\uff08\u6709\u4e24\u4e2a\u662f6\uff0c\u4e00\u4e2a\u662f4\uff09\u3002\u6211\u5efa\u8bae\u6839\u636e\u201c\u57ce\u5e02\u8857\u533a\u8ddd\u79bb\u201d\u53bb\u8ba1\u7b97\u65b9\u5757\u7684\u76f8\u5173\u503c\uff0c\u786e\u4fdd\u4f60\u7406\u89e3\u4e86\u5b83\u7684\u539f\u7406\u3002<\/p>\n<p>\u540c\u65f6\u6ce8\u610fF\u503c\uff08\u5728\u5de6\u4e0a\u89d2\uff09\u662fG\uff08\u5de6\u4e0b\u89d2\uff09\u503c\u548cH\uff08\u53f3\u4e0b\u811a\uff09\u503c\u7684\u548c\u3002<br \/>\n\u7b2c\u4e8c\u6b65<\/p>\n<p>\u5728\u7b2c\u4e8c\u6b65\u4e2d\uff0c\u732b\u9009\u62e9\u4e86F\u548c\u503c\u6700\u5c0f\u7684\u65b9\u5757\uff0c\u628a\u5b83\u6dfb\u52a0\u5230closed\u5217\u8868\u4e2d\uff0c\u7136\u540e\u68c0\u7d22\u5b83\u7684\u76f8\u90bb\u65b9\u5757\u7684\u76f8\u5173\u6570\u503c\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083601912-656851406.jpg\" alt=\"\" \/><\/p>\n<p>\u73b0\u5728\u4f60\u5c06\u770b\u5230\u62e5\u6709\u6700\u5c0f\u589e\u91cf\u7684\u662fF\u503c\u4e3a4\u7684\u65b9\u5757\u3002\u732b\u5c1d\u8bd5\u6dfb\u52a0\u6240\u6709\u76f8\u90bb\u7684\u65b9\u5757\u5230open\u5217\u8868\u4e2d\uff08\u7136\u540e\u8ba1\u7b97\u4ed6\u4eec\u7684\u548c\u503c\uff09\uff0c\u9664\u4e86\u732b\u81ea\u8eab\u7684\u65b9\u5757\u4e0d\u80fd\u6dfb\u52a0\u4ee5\u5916\uff08\u56e0\u4e3a\u5b83\u5df2\u7ecf\u88ab\u6dfb\u52a0\u5230\u4e86closed\u5217\u8868\u4e2d\uff09\u6216\u8005\u5b83\u662f\u5899\u58c1\u65b9\u5757\uff08\u56e0\u4e3a\u5b83\u4e0d\u80fd\u901a\u884c\uff09\u3002<\/p>\n<p>\u6ce8\u610f\u88ab\u6dfb\u52a0\u5230open\u5217\u8868\u7684\u4e24\u4e2a\u65b0\u65b9\u5757\uff0c\u4ed6\u4eec\u7684G\u503c\u90fd\u589e\u52a0\u4e861\uff0c\u56e0\u4e3a\u4ed6\u4eec\u73b0\u5728\u79bb\u5f00\u59cb\u70b9\u67092\u4e2a\u65b9\u5757\u8fdc\u4e86\u3002\u4f60\u4e5f\u8bb8\u9700\u8981\u518d\u8ba1\u7b97\u4e0b\u201c\u57ce\u5e02\u8857\u533a\u8ddd\u79bb\u201d\u4ee5\u786e\u4fdd\u4f60\u7406\u89e3\u4e86\u6bcf\u4e2a\u65b0\u65b9\u5757\u7684H\u503c\u3002<br \/>\n<em>\u7b2c\u4e09\u6b65<\/em><\/p>\n<p>\u518d\u6b21\uff0c\u6211\u4eec\u9009\u62e9\u4e86\u6709\u6700\u5c0fF\u548c\u503c\uff085\uff09\u7684\u65b9\u5757\uff0c\u7ee7\u7eed\u91cd\u590d\u4e4b\u524d\u7684\u6b65\u9aa4\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083611850-597121239.jpg\" alt=\"\" \/><\/p>\n<p>\u73b0\u5728\uff0c\u53ea\u6709\u4e00\u4e2a\u53ef\u80fd\u7684\u65b9\u5757\u88ab\u6dfb\u52a0\u5230open\u5217\u8868\u4e2d\u4e86\uff0c\u56e0\u4e3a\u5df2\u7ecf\u6709\u4e00\u4e2a\u76f8\u90bb\u7684\u65b9\u5757\u5728close\u5217\u8868\u4e2d\uff0c\u5176\u4ed6\u4e24\u4e2a\u662f\u5899\u58c1\u65b9\u5757\u3002<\/p>\n<p><em>\u7b2c\u56db\u6b65<\/em><\/p>\n<p>\u73b0\u5728\u6211\u4eec\u9047\u5230\u4e86\u4e00\u4e2a\u6709\u8da3\u7684\u60c5\u51b5\u3002\u6b63\u5982\u4f60\u4e4b\u524d\u770b\u5230\u7684\uff0c\u67094\u4e2a\u65b9\u5757\u7684F\u548c\u503c\u90fd\u4e3a7 \u2013 \u6211\u4eec\u8981\u600e\u4e48\u505a\u5462\uff1f\uff01<\/p>\n<p>\u6709\u51e0\u79cd\u89e3\u51b3\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u662f\u6700\u7b80\u5355\uff08\u5feb\u901f\uff09\u7684\u65b9\u6cd5\u662f\u4e00\u76f4\u8ddf\u7740\u6700\u8fd1\u88ab\u6dfb\u52a0\u5230open\u5217\u8868\u4e2d\u7684\u65b9\u5757\u3002\u73b0\u5728\u7ee7\u7eed\u6cbf\u7740\u6700\u8fd1\u88ab\u6dfb\u52a0\u7684\u65b9\u5757\u524d\u8fdb\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083619287-530016578.jpg\" alt=\"\" \/><\/p>\n<p>\u8fd9\u6b21\u6709\u4e24\u4e2a\u53ef\u901a\u8fc7\u7684\u76f8\u90bb\u65b9\u5757\u4e86\uff0c\u6211\u4eec\u8fd8\u662f\u50cf\u4e4b\u524d\u90a3\u6837\u8ba1\u7b97\u4ed6\u4eec\u7684\u548c\u503c\u3002<br \/>\n<em>\u7b2c\u4e94\u6b65<\/em><\/p>\n<p>\u63a5\u7740\u6211\u4eec\u9009\u62e9\u4e86\u6700\u5c0f\u548c\u503c\uff087\uff09\u7684\u65b9\u5757\uff0c\u7ee7\u7eed\u91cd\u590d\u4e4b\u524d\u7684\u6b65\u9aa4\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083626850-1365764906.jpg\" alt=\"\" \/><\/p>\n<p>\u6211\u4eec\u8d8a\u6765\u8d8a\u63a5\u8fd1\u7ec8\u70b9\u4e86\uff01<\/p>\n<p><em>\u7b2c\u516d\u6b65<\/em><\/p>\n<p>\u4f60\u73b0\u5728\u8bad\u7ec3\u6709\u7d20\u4e86\uff01\u6211\u6253\u8d4c\u4f60\u80fd\u591f\u731c\u51fa\u4e0b\u4e00\u6b65\u662f\u4e0b\u9762\u8fd9\u6837\u5b50\u4e86\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083633615-1627328911.jpg\" alt=\"\" \/><\/p>\n<p>\u6211\u4eec\u5dee\u4e0d\u591a\u5230\u7ec8\u70b9\u4e86\uff0c\u4f46\u662f\u8fd9\u6b21\u4f60\u770b\u5230\u6709\u4e24\u6761\u5230\u8fbe\u9aa8\u5934\u7684\u6700\u77ed\u8def\u5f84\u63d0\u4f9b\u7ed9\u6211\u4eec\u9009\u62e9\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083640178-1555429148.jpg\" alt=\"\" \/><\/p>\n<p>\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\uff0c\u6709\u4e24\u6761\u6700\u77ed\u8def\u5f84\uff1a<\/p>\n<ul>\n<li>1-2-3-4-5-6<\/li>\n<li>1-2-3-4-5-7<\/li>\n<\/ul>\n<p>It doesn\u2019t really matter which of these we choose, it comes down to the actual implementation in code.<\/p>\n<p>\u9009\u62e9\u54ea\u4e00\u6761\u5176\u5b9e\u6ca1\u5173\u7cfb\uff0c\u73b0\u5728\u5230\u4e86\u771f\u6b63\u7528\u4ee3\u7801\u5b9e\u73b0\u7684\u65f6\u5019\u4e86\u3002<\/p>\n<p><em>\u7b2c\u4e03\u6b65<\/em><\/p>\n<p>\u8ba9\u6211\u4eec\u4ece\u5176\u4e2d\u4e00\u5757\u65b9\u5757\uff0c\u518d\u91cd\u590d\u4e00\u904d\u6b65\u9aa4\u5427\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083647443-1076857317.jpg\" alt=\"\" \/><\/p>\n<p>\u554a\u54c8\uff0c\u9aa8\u5934\u5728open\u5217\u8868\u4e2d\u4e86\uff01<br \/>\n<em>\u7b2c\u516b\u6b65<\/em><\/p>\n<p>\u73b0\u5728\u76ee\u6807\u65b9\u5757\u5728open\u5217\u8868\u4e2d\u4e86\uff0c\u7b97\u6cd5\u4f1a\u628a\u5b83\u6dfb\u52a0\u5230closed\u5217\u8868\u4e2d\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083653693-317863494.jpg\" alt=\"\" \/><\/p>\n<p>\u7136\u540e\uff0c\u7b97\u6cd5\u8981\u505a\u7684\u6240\u6709\u4e8b\u60c5\u5c31\u662f\u8fd4\u56de\uff0c\u8ba1\u7b97\u51fa\u6700\u7ec8\u7684\u8def\u5f84\uff01<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083700865-153583420.jpg\" alt=\"\" \/><\/p>\n<h2>\u4e00\u53ea\u6709\u8fdc\u89c1\u7684\u732b<\/h2>\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u770b\u5230\u5f53\u732b\u5728\u5bfb\u627e\u6700\u77ed\u8def\u5f84\u65f6\uff0c\u5b83\u7ecf\u5e38\u9009\u62e9\u66f4\u597d\u7684\u65b9\u5757\uff08\u90a3\u4e2a\u5728\u5b83\u7684\u672a\u6765\u6700\u77ed\u8def\u5f84\u4e0a\u7684\u65b9\u5757\uff09- \u597d\u50cf\u5b83\u662f\u4e00\u53ea\u6709\u8fdc\u89c1\u7684\u732b\uff01<\/p>\n<p>\u4f46\u662f\u5982\u679c\u732b\u662f\u76f2\u76ee\u7684\uff0c\u5e76\u4e14\u603b\u662f\u9009\u62e9\u7b2c\u4e00\u4e2a\u6dfb\u52a0\u5230\u5b83\u7684\u5217\u8868\u4e0a\u7684\u65b9\u5757\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\u4e8b\u60c5\uff1f<\/p>\n<p>\u4e0b\u56fe\u5c55\u793a\u4e86\u6240\u6709\u5728\u5bfb\u627e\u8fc7\u7a0b\u4e2d\u4f1a\u88ab\u4f7f\u7528\u5230\u7684\u65b9\u5757\u3002\u4f60\u4f1a\u770b\u5230\u732b\u5728\u5c1d\u8bd5\u66f4\u591a\u7684\u65b9\u5757\uff0c\u4f46\u662f\u5b83\u4ecd\u7136\u627e\u5230\u4e86\u6700\u77ed\u8def\u5f84\uff08\u4e0d\u662f\u4e4b\u524d\u7684\u90a3\u6761\uff0c\u800c\u662f\u53e6\u4e00\u6761\u7b49\u4ef7\u7684\uff09\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083708068-1454447391.jpg\" alt=\"\" \/><\/p>\n<p>\u56fe\u4e2d\u7684\u7ea2\u8272\u65b9\u5757\u4e0d\u4ee3\u8868\u6700\u77ed\u8def\u5f84\uff0c\u5b83\u4eec\u53ea\u662f\u4ee3\u8868\u5728\u67d0\u4e2a\u65f6\u5019\u88ab\u9009\u62e9\u4e3a\u201cS\u201d\u7684\u65b9\u5757\u3002<\/p>\n<p>\u6211\u5efa\u8bae\u4f60\u770b\u7740\u4e0a\u9762\u7684\u56fe\uff0c\u5e76\u4e14\u5c1d\u8bd5\u8fc7\u4e00\u904d\u6b65\u9aa4\u3002\u8fd9\u6b21\u65e0\u8bba\u4f60\u770b\u5230\u54ea\u4e2a\u76f8\u90bb\u7684\u65b9\u5757\uff0c\u90fd\u9009\u62e9\u201c\u6700\u574f\u201d\u7684\u65b9\u5f0f\u53bb\u8d70\u3002\u4f60\u4f1a\u53d1\u73b0\u6700\u540e\u8fd8\u662f\u627e\u5230\u4e86\u6700\u77ed\u8def\u5f84\uff01<\/p>\n<p>\u6240\u4ee5\u4f60\u53ef\u4ee5\u770b\u5230\u8ddf\u968f\u4e00\u4e2a\u201c\u9519\u8bef\u7684\u201d\u65b9\u5757\u662f\u6ca1\u6709\u95ee\u9898\u7684\uff0c\u4f60\u4ecd\u7136\u4f1a\u5728\u591a\u6b21\u91cd\u590d\u5c1d\u8bd5\u540e\u627e\u5230\u6700\u77ed\u8def\u5f84\u3002<\/p>\n<p>\u6240\u4ee5\u5728\u6211\u4eec\u7684\u5b9e\u73b0\u4e2d\uff0c\u6211\u4eec\u4f1a\u6309\u7167\u4ee5\u4e0b\u7684\u7b97\u6cd5\u6dfb\u52a0\u65b9\u5757\u5230open\u5217\u8868\u4e2d\uff1a<\/p>\n<ul>\n<li>\u76f8\u90bb\u7684\u65b9\u5757\u4f1a\u8fd4\u56de\u8fd9\u4e9b\u987a\u5e8f: \u4e0a\u9762\/\u5de6\u8fb9\/\u4e0b\u9762\/\u53f3\u8fb9\u3002<\/li>\n<li>\u5f53\u6240\u6709\u7684\u65b9\u5757\u90fd\u6709\u76f8\u540c\u7684\u548c\u503c\u540e\uff0c\u65b9\u5757\u4f1a\u88ab\u6dfb\u52a0\u5230open\u5217\u8868\u4e2d\uff08\u6240\u4ee5\u7b2c\u4e00\u4e2a\u88ab\u6dfb\u52a0\u7684\u65b9\u5757\u662f\u7b2c\u4e00\u4e2a\u88ab\u732b\u6311\u9009\u7684\uff09\u3002<\/li>\n<\/ul>\n<p>\u4e0b\u9762\u662f\u4ece\u539f\u8def\u8fd4\u56de\u7684\u793a\u610f\u56fe\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/images2017.cnblogs.com\/blog\/71080\/201708\/71080-20170819083715037-171500273.jpg\" alt=\"\" \/><\/p>\n<p>\u6700\u77ed\u7684\u8def\u5f84\u662f\u4ece\u7ec8\u70b9\u5f00\u59cb\uff0c\u4e00\u6b65\u6b65\u8fd4\u56de\u5230\u8d77\u70b9\u6784\u6210\u7684\uff08\u4f8b\u5b50\uff1a\u5728\u7ec8\u70b9\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u7bad\u5934\u6307\u5411\u53f3\u8fb9\uff0c\u6240\u4ee5\u8be5\u65b9\u5757\u7684\u524d\u7ee7\u5728\u5b83\u7684\u5de6\u8fb9\uff09\u3002<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u4f2a\u4ee3\u7801\uff0c\u5408\u6210\u732b\u7684\u5bfb\u627e\u8fc7\u7a0b\u3002\u8fd9\u662fObjective-C\u5199\u7684\uff0c\u4f46\u662f\u4f60\u53ef\u4ee5\u7528\u4efb\u4f55\u7684\u8bed\u8a00\u53bb\u5b9e\u73b0\u5b83\uff1a<\/p>\n<div class=\"wp_codebox\">\n<table>\n<tbody>\n<tr id=\"p215031\">\n<td id=\"p21503code1\" class=\"code\">\n<pre class=\"objc\">[openList add:originalSquare]; \/\/ start by adding the original position to the open list\r\ndo {\r\n\tcurrentSquare = [openList squareWithLowestFScore]; \/\/ Get the square with the lowest F score\r\n\u00a0\r\n\t[closedList add:currentSquare]; \/\/ add the current square to the closed list\r\n\t[openList<\/pre>\n<p><a href=\"http:\/\/www.opengroup.org\/onlinepubs\/009695399\/functions\/remove.html\">remove<\/a><\/p>\n<pre class=\"objc\">:currentSquare]; \/\/ remove it to the open list\r\n\u00a0\r\n\tif ([closedList contains:destinationSquare]) { \/\/ if we added the destination to the closed list, we've found a path\r\n\t\t\/\/ PATH FOUND\r\n\t\tbreak; \/\/ break the loop\r\n\t}\r\n\u00a0\r\n\tadjacentSquares = [currentSquare walkableAdjacentSquares]; \/\/ Retrieve all its walkable adjacent squares\r\n\u00a0\r\n\tforeach (aSquare in adjacentSquares) {\r\n\u00a0\r\n\t\tif ([closedList contains:aSquare]) { \/\/ if this adjacent square is already in the closed list ignore it\r\n\t\t\tcontinue; \/\/ Go to the next adjacent square\r\n\t\t}\r\n\u00a0\r\n\t\tif (![openList contains:aSquare]) { \/\/ if its not in the open list\r\n\u00a0\r\n\t\t\t\/\/ compute its score, set the parent\r\n\t\t\t[openList add:aSquare]; \/\/ and add it to the open list\r\n\u00a0\r\n\t\t} else { \/\/ if its already in the open list\r\n\u00a0\r\n\t\t\t\/\/ test if using the current G score make the aSquare F score lower, if yes update the parent because it means its a better path\r\n\u00a0\r\n\t\t}\r\n\t}\r\n\u00a0\r\n} while(![openList isEmpty]); \/\/ Continue until there is no more available square in the open list (which means there is no path)<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740 &nbsp; 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