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<\/h2>\n

\u6587\u6863\u4ecb\u7ecd：<\/h2>\n

\u00a01 \u7eea\u8bba<\/p>\n

1.1<\/span>\u7814\u7a76\u80cc\u666f\u4e0e\u610f\u4e49<\/span><\/p>\n

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\n

1.2<\/span>\u56fd\u5185\u5916\u7814\u7a76\u73b0\u72b6<\/span><\/p>\n

1.2.1 \u56fd\u5916\u7814\u7a76\u73b0\u72b6<\/p>\n

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1.2.2 \u56fd\u5185\u7814\u7a76\u73b0\u72b6<\/p>\n

\u56fd\u5185\u5728\u6df1\u5ea6\u5b66\u4e60\u548c\u63a8\u8350\u7cfb\u7edf\u9886\u57df\u7684\u7814\u7a76\u4e5f\u7d27\u8ddf\u56fd\u9645\u6b65\u4f10，\u53d6\u5f97\u4e86\u4e30\u7855\u7684\u6210\u679c\u3002\u5728\u5b66\u672f\u7814\u7a76\u65b9\u9762，\u4f17\u591a\u9ad8\u6821\u548c\u79d1\u7814\u673a\u6784\u79ef\u6781\u5f00\u5c55\u6df1\u5ea6\u5b66\u4e60\u76f8\u5173\u7684\u7814\u7a76\u5de5\u4f5c，\u5728\u534f\u540c\u8fc7\u6ee4\u7b97\u6cd5\u7684\u6539\u8fdb\u3001\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u7684\u4f18\u5316\u7b49\u65b9\u9762\u53d1\u8868\u4e86\u5927\u91cf\u9ad8\u8d28\u91cf\u7684\u5b66\u672f\u8bba\u6587\u3002\u4f8b\u5982，\u6e05\u534e\u5927\u5b66\u3001\u5317\u4eac\u5927\u5b66\u7b49\u9ad8\u6821\u7684\u7814\u7a76\u56e2\u961f\u5728 NCF \u6a21\u578b\u7684\u6539\u8fdb\u4e0a\u63d0\u51fa\u4e86\u591a\u79cd\u521b\u65b0\u65b9\u6cd5，\u901a\u8fc7\u7ed3\u5408\u5176\u4ed6\u673a\u5668\u5b66\u4e60\u6280\u672f，\u5982\u5f3a\u5316\u5b66\u4e60\u3001\u8fc1\u79fb\u5b66\u4e60\u7b49，\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u6a21\u578b\u7684\u6027\u80fd\u548c\u6cdb\u5316\u80fd\u529b\u3002<\/p>\n

\u5728\u884c\u4e1a\u5e94\u7528\u65b9\u9762，\u968f\u7740\u6211\u56fd\u7535\u5b50\u5546\u52a1\u7684\u5feb\u901f\u53d1\u5c55，\u5404\u5927\u7535\u5546\u5e73\u53f0\u7eb7\u7eb7\u5c06\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u5e94\u7528\u4e8e\u63a8\u8350\u7cfb\u7edf\u4e2d，\u4ee5\u63d0\u9ad8\u7528\u6237\u7c98\u6027\u548c\u9500\u552e\u4e1a\u7ee9\u3002\u540c\u65f6，\u56fd\u5185\u5bf9\u4e8e\u4e2d\u8349\u836f\u7684\u6570\u5b57\u5316\u7814\u7a76\u4e5f\u65e5\u76ca\u91cd\u89c6\u3002\u4e00\u4e9b\u4e2d\u533b\u836f\u79d1\u7814\u673a\u6784\u548c\u4f01\u4e1a\u5f00\u59cb\u5c1d\u8bd5\u6784\u5efa\u4e2d\u8349\u836f\u6570\u636e\u5e93，\u6574\u5408\u4e2d\u8349\u836f\u7684\u5404\u79cd\u4fe1\u606f\u8d44\u6e90，\u4e3a\u4e2d\u8349\u836f\u7684\u7814\u7a76\u548c\u5e94\u7528\u63d0\u4f9b\u6570\u636e\u652f\u6301\u3002\u5728\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u5efa\u8bbe\u65b9\u9762，\u5df2\u7ecf\u51fa\u73b0\u4e86\u4e00\u4e9b\u521d\u6b65\u7684\u5c1d\u8bd5\u3002\u90e8\u5206\u4f01\u4e1a\u642d\u5efa\u4e86\u7b80\u5355\u7684\u4e2d\u8349\u836f\u9500\u552e\u5e73\u53f0，\u4f46\u5728\u529f\u80fd\u5b8c\u5584\u6027\u548c\u667a\u80fd\u5316\u7a0b\u5ea6\u4e0a\u8fd8\u6709\u5f85\u63d0\u9ad8\u3002\u4e00\u4e9b\u5e73\u53f0\u4e3b\u8981\u4fa7\u91cd\u4e8e\u4ea7\u54c1\u5c55\u793a\u548c\u9500\u552e，\u7f3a\u4e4f\u5bf9\u7528\u6237\u884c\u4e3a\u7684\u6df1\u5165\u5206\u6790\u548c\u4e2a\u6027\u5316\u63a8\u8350\u529f\u80fd\u3002\u800c\u672c\u7814\u7a76\u65e8\u5728\u5229\u7528\u5148\u8fdb\u7684\u6df1\u5ea6\u5b66\u4e60\u6280\u672f，\u6784\u5efa\u4e00\u4e2a\u529f\u80fd\u5b8c\u5907\u3001\u667a\u80fd\u5316\u7a0b\u5ea6\u9ad8\u7684\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7cfb\u7edf，\u586b\u8865\u56fd\u5185\u5728\u8fd9\u4e00\u9886\u57df\u7684\u7a7a\u767d，\u63a8\u52a8\u4e2d\u8349\u836f\u884c\u4e1a\u7684\u6570\u5b57\u5316\u8f6c\u578b\u548c\u521b\u65b0\u53d1\u5c55\u3002\u901a\u8fc7\u5bf9\u56fd\u5185\u5916\u7814\u7a76\u73b0\u72b6\u7684\u5206\u6790\u53ef\u4ee5\u53d1\u73b0，\u867d\u7136\u5728\u6df1\u5ea6\u5b66\u4e60\u548c\u7535\u5b50\u5546\u52a1\u9886\u57df\u5df2\u7ecf\u53d6\u5f97\u4e86\u4e00\u5b9a\u7684\u6210\u679c，\u4f46\u5c06\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u5e94\u7528\u4e8e\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7cfb\u7edf\u7684\u7814\u7a76\u8fd8\u76f8\u5bf9\u8f83\u5c11，\u5177\u6709\u5e7f\u9614\u7684\u7814\u7a76\u7a7a\u95f4\u548c\u5e94\u7528\u524d\u666f\u3002<\/p>\n

\n

1.3<\/span>\u7cfb\u7edf\u7684\u7279\u70b9<\/span><\/p>\n

\u672c\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7684\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7cfb\u7edf\u5177\u5907\u591a\u65b9\u9762\u72ec\u7279\u7279\u70b9\u3002\u9996\u5148\u662f\u9ad8\u5ea6\u7cbe\u51c6\u7684\u4e2a\u6027\u5316\u63a8\u8350\u3002\u501f\u52a9\u795e\u7ecf\u534f\u540c\u8fc7\u6ee4（<\/span>NCF<\/span>）\u6a21\u578b\u5bf9\u7528\u6237\u5386\u53f2\u8d2d\u4e70\u6570\u636e\u53ca\u6d4f\u89c8\u884c\u4e3a\u7684\u6df1\u5ea6\u5206\u6790，\u7cfb\u7edf\u80fd\u591f\u7cbe\u51c6\u628a\u63e1\u6bcf\u4e2a\u7528\u6237\u7684\u504f\u597d，\u4e3a\u5176\u63a8\u9001\u5951\u5408\u9700\u6c42\u7684\u4e2d\u8349\u836f\u4ea7\u54c1\u3002\u8fd9\u79cd\u4e2a\u6027\u5316\u63a8\u8350\u6781\u5927\u63d0\u9ad8\u4e86\u7528\u6237\u627e\u5230\u5fc3\u4eea\u5546\u54c1\u7684\u6548\u7387，\u533a\u522b\u4e8e\u4f20\u7edf\u5e73\u53f0\u5343\u7bc7\u4e00\u5f8b\u7684\u63a8\u8350\u6a21\u5f0f\u3002<\/span><\/p>\n

\u7cfb\u7edf\u7684\u4fe1\u606f\u5168\u9762\u6027\u4e5f\u662f\u4e00\u5927\u4eae\u70b9\u3002\u6db5\u76d6\u4e86\u6d77\u91cf\u4e2d\u8349\u836f\u4ea7\u54c1\u4fe1\u606f，\u4ece\u57fa\u7840\u7684\u540d\u79f0\u3001\u4ea7\u5730，\u5230\u8be6\u7ec6\u7684\u529f\u6548\u4e3b\u6cbb\u3001\u7528\u6cd5\u7528\u91cf\u3001\u70ae\u5236\u65b9\u6cd5\u7b49，\u5747\u6709\u8be6\u7ec6\u4e14\u51c6\u786e\u7684\u8bb0\u5f55\u3002\u7528\u6237\u65e0\u8bba\u662f\u4e13\u4e1a\u4e2d\u533b\u4ece\u4e1a\u8005\u8fd8\u662f\u666e\u901a\u517b\u751f\u7231\u597d\u8005，\u90fd\u80fd\u5728\u5e73\u53f0\u4e0a\u83b7\u53d6\u5230\u6709\u4ef7\u503c\u7684\u4fe1\u606f，\u6ee1\u8db3\u4e0d\u540c\u5c42\u6b21\u7684\u67e5\u8be2\u9700\u6c42\u3002<\/span><\/p>\n

\u518d\u8005，\u8be5\u7cfb\u7edf\u5177\u6709\u826f\u597d\u7684\u7528\u6237\u4ea4\u4e92\u4f53\u9a8c\u3002\u754c\u9762\u8bbe\u8ba1\u7b80\u6d01\u76f4\u89c2，\u64cd\u4f5c\u6d41\u7a0b\u4fbf\u6377\u6d41\u7545\u3002\u7528\u6237\u53ef\u4ee5\u8f7b\u677e\u5b8c\u6210\u4ea7\u54c1\u641c\u7d22\u3001\u4fe1\u606f\u67e5\u770b\u3001\u4e0b\u5355\u8d2d\u4e70\u7b49\u64cd\u4f5c\u3002\u540c\u65f6，\u5e73\u53f0\u8fd8\u8bbe\u7f6e\u4e86\u7528\u6237\u53cd\u9988\u6e20\u9053，\u80fd\u591f\u53ca\u65f6\u6536\u96c6\u7528\u6237\u610f\u89c1，\u4e0d\u65ad\u4f18\u5316\u7cfb\u7edf\u529f\u80fd\u3002<\/span><\/p>\n

\u5728\u6280\u672f\u5c42\u9762，\u7cfb\u7edf\u5177\u5907\u9ad8\u6269\u5c55\u6027\u548c\u7a33\u5b9a\u6027\u3002\u57fa\u4e8e<\/span> Python <\/span>\u8bed\u8a00\u5f00\u53d1，\u5229\u7528\u5176\u4e30\u5bcc\u7684\u5f00\u6e90\u5e93，\u65b9\u4fbf\u540e\u7eed\u5bf9\u7cfb\u7edf\u8fdb\u884c\u529f\u80fd\u6269\u5c55\u548c\u5347\u7ea7\u3002\u4e0e<\/span> MySQL <\/span>\u6570\u636e\u5e93\u7684\u7a33\u5b9a\u8fde\u63a5，\u4fdd\u969c\u4e86\u6570\u636e\u5b58\u50a8\u548c\u8bfb\u53d6\u7684\u9ad8\u6548\u6027\u4e0e\u53ef\u9760\u6027，\u80fd\u5e94\u5bf9\u5927\u91cf\u7528\u6237\u5e76\u53d1\u8bbf\u95ee\u7684\u60c5\u51b5\u3002<\/span><\/p>\n

\n

1.4<\/span>\u7814\u7a76\u5185\u5bb9<\/span><\/p>\n

\u672c\u7814\u7a76\u4e3b\u8981\u805a\u7126\u4e8e\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u5185\u5bb9\u3002\u4e00\u662f\u57fa\u4e8e<\/span> Python <\/span>\u5b9e\u73b0\u795e\u7ecf\u534f\u540c\u8fc7\u6ee4（<\/span>NCF<\/span>）\u6a21\u578b\u3002\u6df1\u5165\u7814\u7a76<\/span> NCF <\/span>\u6a21\u578b\u7684\u539f\u7406，\u901a\u8fc7\u4ee3\u7801\u5b9e\u73b0\u6a21\u578b\u7684\u642d\u5efa，\u5e76\u5229\u7528\u4ece\u7535\u5b50\u5546\u52a1\u6570\u636e\u5e93\u83b7\u53d6\u7684\u5386\u53f2\u8d2d\u4e70\u6570\u636e\u5bf9\u6a21\u578b\u8fdb\u884c\u8bad\u7ec3\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d，\u4f18\u5316\u6a21\u578b\u53c2\u6570，\u63d0\u9ad8\u6a21\u578b\u5bf9\u7528\u6237\u4e0e\u5546\u54c1\u4ea4\u4e92\u884c\u4e3a\u9884\u6d4b\u7684\u51c6\u786e\u6027\u3002<\/span><\/p>\n

\u4e8c\u662f\u7cfb\u7edf\u67b6\u6784\u8bbe\u8ba1\u3002\u8bbe\u8ba1\u51fa\u5408\u7406\u7684\u7cfb\u7edf\u67b6\u6784，\u5305\u62ec\u524d\u7aef\u7528\u6237\u754c\u9762\u3001\u540e\u7aef\u670d\u52a1\u4ee5\u53ca\u6570\u636e\u5e93\u6a21\u5757\u3002\u524d\u7aef\u6ce8\u91cd\u7528\u6237\u4f53\u9a8c，\u6253\u9020\u7b80\u6d01\u7f8e\u89c2\u4e14\u6613\u4e8e\u64cd\u4f5c\u7684\u754c\u9762；\u540e\u7aef\u8d1f\u8d23\u4e1a\u52a1\u903b\u8f91\u5904\u7406，\u5305\u62ec\u4e0e<\/span> NCF <\/span>\u6a21\u578b\u7684\u5bf9\u63a5\u3001\u6570\u636e\u5904\u7406\u7b49；\u6570\u636e\u5e93\u6a21\u5757\u5219\u8d1f\u8d23\u5b58\u50a8\u548c\u7ba1\u7406\u6d77\u91cf\u7684\u7528\u6237\u6570\u636e\u3001\u4ea7\u54c1\u6570\u636e\u7b49\u3002<\/span><\/p>\n

\u4e09\u662f\u6570\u636e\u5904\u7406\u4e0e\u5206\u6790\u3002\u5bf9\u4ece<\/span> MySQL <\/span>\u6570\u636e\u5e93\u83b7\u53d6\u7684\u539f\u59cb\u6570\u636e\u8fdb\u884c\u6e05\u6d17\u3001\u9884\u5904\u7406，\u53bb\u9664\u566a\u58f0\u6570\u636e\u548c\u5f02\u5e38\u503c，\u5bf9\u6570\u636e\u8fdb\u884c\u6807\u51c6\u5316\u5904\u7406，\u4ee5\u63d0\u9ad8\u6570\u636e\u8d28\u91cf，\u4e3a\u6a21\u578b\u8bad\u7ec3\u63d0\u4f9b\u53ef\u9760\u7684\u6570\u636e\u652f\u6301\u3002\u540c\u65f6，\u901a\u8fc7\u6570\u636e\u5206\u6790\u6316\u6398\u7528\u6237\u884c\u4e3a\u6a21\u5f0f\u3001\u5e02\u573a\u8d8b\u52bf\u7b49\u4fe1\u606f，\u4e3a\u5e73\u53f0\u7684\u8fd0\u8425\u51b3\u7b56\u63d0\u4f9b\u4f9d\u636e\u3002<\/span><\/p>\n

\u56db\u662f\u7cfb\u7edf\u529f\u80fd\u5b9e\u73b0\u4e0e\u4f18\u5316\u3002\u5b9e\u73b0\u4ea7\u54c1\u5c55\u793a\u3001\u7528\u6237\u6ce8\u518c\u767b\u5f55\u3001\u8d2d\u7269\u8f66\u3001\u8ba2\u5355\u7ba1\u7406\u3001\u4e2a\u6027\u5316\u63a8\u8350\u7b49\u6838\u5fc3\u529f\u80fd，\u5e76\u4e0d\u65ad\u5bf9\u7cfb\u7edf\u8fdb\u884c\u6027\u80fd\u6d4b\u8bd5\u548c\u4f18\u5316，\u786e\u4fdd\u7cfb\u7edf\u5728\u9ad8\u5e76\u53d1\u60c5\u51b5\u4e0b\u4ecd\u80fd\u7a33\u5b9a\u8fd0\u884c，\u4e3a\u7528\u6237\u63d0\u4f9b\u6d41\u7545\u7684\u4f7f\u7528\u4f53\u9a8c\u3002\u901a\u8fc7\u4ee5\u4e0a\u7814\u7a76\u5185\u5bb9，\u81f4\u529b\u4e8e\u6784\u5efa\u4e00\u4e2a\u529f\u80fd\u5b8c\u5584\u3001\u9ad8\u6548\u667a\u80fd\u7684\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7cfb\u7edf，\u63a8\u52a8\u4e2d\u8349\u836f\u884c\u4e1a\u6570\u5b57\u5316\u53d1\u5c55\u3002<\/span><\/p>\n

\n

1.5<\/span>\u8bba\u6587\u7ed3\u6784<\/span><\/p>\n

\n

\u56fe1-1\u8bba\u6587\u7ed3\u6784\u56fe<\/p>\n

\u672c\u6587\u7684\u7ed3\u6784\u5982\u4e0a\u56fe\u6240\u793a，\u76f8\u5173\u6280\u672f\u4ecb\u7ecd\u4e3b\u8981\u4ecb\u7ecd\u4e86\u7cfb\u7edf\u7684\u5f00\u53d1\u5de5\u5177\u548c\u524d\u540e\u53f0\u6846\u67b6\u3001\u5206\u5e03\u5f0f\u67b6\u6784\u7406\u8bba\u7b49，\u7cfb\u7edf\u8bbe\u8ba1\u5305\u62ec\u6d41\u7a0b\u8bbe\u8ba1\u4e0e\u6570\u636e\u5e93\u8bbe\u8ba1\u7b49\u3002<\/span><\/p>\n

\n

2 \u76f8\u5173\u6280\u672f\u4ecb\u7ecd<\/p>\n

2.1 Python <\/span>\u7f16\u7a0b\u8bed\u8a00<\/span><\/p>\n

Python <\/span>\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u7ea7\u3001\u901a\u7528\u4e14\u5177\u6709\u52a8\u6001\u8bed\u4e49\u7684\u7f16\u7a0b\u8bed\u8a00，\u5728\u672c\u7cfb\u7edf\u5f00\u53d1\u4e2d\u53d1\u6325\u7740\u6838\u5fc3\u4f5c\u7528\u3002\u5176\u7b80\u6d01\u6613\u8bfb\u7684\u8bed\u6cd5\u7ed3\u6784，\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u9ad8\u6548\u5730\u7f16\u5199\u4ee3\u7801，\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u3002\u4e30\u5bcc\u7684\u5f00\u6e90\u5e93\u66f4\u662f<\/span> Python <\/span>\u7684\u4e00\u5927\u663e\u8457\u4f18\u52bf，\u4f8b\u5982\u5728\u6df1\u5ea6\u5b66\u4e60\u9886\u57df\u5e7f\u6cdb\u4f7f\u7528\u7684<\/span> PyTorch <\/span>\u5e93\u3002\u501f\u52a9<\/span> PyTorch<\/span>，\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u65b9\u4fbf\u5730\u6784\u5efa\u3001\u8bad\u7ec3\u548c\u90e8\u7f72\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b，\u51cf\u5c11\u4e86\u4ece\u5e95\u5c42\u5f00\u59cb\u642d\u5efa\u6a21\u578b\u7684\u7e41\u7410\u5de5\u4f5c\u3002\u5728\u6570\u636e\u5904\u7406\u65b9\u9762，<\/span>Python <\/span>\u62e5\u6709\u8bf8\u5982<\/span> Pandas<\/span>\u3001<\/span>NumPy <\/span>\u7b49\u5f3a\u5927\u7684\u5e93，\u80fd\u591f\u5bf9\u6d77\u91cf\u6570\u636e\u8fdb\u884c\u9ad8\u6548\u7684\u6e05\u6d17\u3001\u5206\u6790\u548c\u9884\u5904\u7406，\u6ee1\u8db3\u7cfb\u7edf\u5bf9\u6570\u636e\u5904\u7406\u7684\u9700\u6c42\u3002<\/span><\/p>\n

2.2 <\/span>\u795e\u7ecf\u534f\u540c\u8fc7\u6ee4（<\/span>NCF<\/span>）\u6a21\u578b<\/span><\/p>\n

\u795e\u7ecf\u534f\u540c\u8fc7\u6ee4（<\/span>NCF<\/span>）\u6a21\u578b\u662f\u672c\u7cfb\u7edf\u5b9e\u73b0\u4e2a\u6027\u5316\u63a8\u8350\u7684\u5173\u952e\u6280\u672f\u3002\u8be5\u6a21\u578b\u878d\u5408\u4e86\u4f20\u7edf\u534f\u540c\u8fc7\u6ee4\u548c\u6df1\u5ea6\u5b66\u4e60\u7684\u4f18\u52bf\u3002\u4f20\u7edf\u534f\u540c\u8fc7\u6ee4\u57fa\u4e8e\u7528\u6237\u4e0e\u5546\u54c1\u7684\u4ea4\u4e92\u77e9\u9635，\u901a\u8fc7\u8ba1\u7b97\u7528\u6237\u6216\u5546\u54c1\u4e4b\u95f4\u7684\u76f8\u4f3c\u5ea6\u6765\u8fdb\u884c\u63a8\u8350\u3002\u7136\u800c，\u5176\u5728\u5904\u7406\u590d\u6742\u7684\u7528\u6237<\/span> – <\/span>\u5546\u54c1\u4ea4\u4e92\u5173\u7cfb\u65f6\u5b58\u5728\u5c40\u9650\u6027\u3002<\/span>NCF <\/span>\u6a21\u578b\u5219\u901a\u8fc7\u5c06\u7528\u6237\u548c\u5546\u54c1\u7684\u7279\u5f81\u5411\u91cf\u8f93\u5165\u5230\u591a\u5c42\u795e\u7ecf\u7f51\u7edc\u4e2d，\u80fd\u591f\u81ea\u52a8\u5b66\u4e60\u5230\u7528\u6237\u4e0e\u5546\u54c1\u4e4b\u95f4\u590d\u6742\u7684\u975e\u7ebf\u6027\u5173\u7cfb\u3002\u5b83\u5c06\u7528\u6237\u548c\u5546\u54c1\u7684\u5d4c\u5165\u5411\u91cf\u4f5c\u4e3a\u795e\u7ecf\u7f51\u7edc\u7684\u8f93\u5165，\u7ecf\u8fc7\u591a\u4e2a\u9690\u85cf\u5c42\u7684\u975e\u7ebf\u6027\u53d8\u6362，\u6700\u7ec8\u8f93\u51fa\u7528\u6237\u5bf9\u5546\u54c1\u7684\u9884\u6d4b\u8bc4\u5206\u3002\u8fd9\u79cd\u65b9\u5f0f\u80fd\u591f\u66f4\u7cbe\u51c6\u5730\u6355\u6349\u7528\u6237\u7684\u504f\u597d，\u63d0\u5347\u63a8\u8350\u7684\u51c6\u786e\u6027\u3002\u4f8b\u5982，\u5728\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u4e2d，<\/span>NCF <\/span>\u6a21\u578b\u53ef\u4ee5\u6839\u636e\u7528\u6237\u8fc7\u5f80\u8d2d\u4e70\u4e0d\u540c\u529f\u6548\u4e2d\u8349\u836f\u7684\u8bb0\u5f55，\u9884\u6d4b\u5176\u5bf9\u65b0\u7684\u5177\u6709\u7c7b\u4f3c\u6216\u76f8\u5173\u529f\u6548\u4e2d\u8349\u836f\u7684\u5174\u8da3\u7a0b\u5ea6\u3002<\/span><\/p>\n

2.3 MySQL <\/span>\u6570\u636e\u5e93<\/span><\/p>\n

MySQL <\/span>\u662f\u4e00\u6b3e\u5e7f\u6cdb\u4f7f\u7528\u7684\u5f00\u6e90\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf，\u5728\u672c\u7cfb\u7edf\u4e2d\u627f\u62c5\u7740\u6570\u636e\u5b58\u50a8\u548c\u7ba1\u7406\u7684\u91cd\u8981\u4efb\u52a1\u3002\u5b83\u5177\u6709\u9ad8\u53ef\u9760\u6027，\u80fd\u591f\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027，\u5373\u4f7f\u5728\u9ad8\u5e76\u53d1\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u7a33\u5b9a\u8fd0\u884c\u3002<\/span>MySQL <\/span>\u652f\u6301\u591a\u79cd\u6570\u636e\u5b58\u50a8\u5f15\u64ce，\u5982<\/span> InnoDB <\/span>\u548c<\/span> MyISAM<\/span>，\u53ef\u6839\u636e\u7cfb\u7edf\u7684\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u9009\u62e9\u3002\u5728\u672c\u7cfb\u7edf\u4e2d，\u91c7\u7528\u5408\u9002\u7684\u5b58\u50a8\u5f15\u64ce\u6765\u5b58\u50a8\u7528\u6237\u6570\u636e\u3001\u4e2d\u8349\u836f\u4ea7\u54c1\u4fe1\u606f\u4ee5\u53ca\u7528\u6237\u4e0e\u5546\u54c1\u7684\u4ea4\u4e92\u6570\u636e\u7b49\u3002\u5176\u9ad8\u6548\u7684\u6570\u636e\u67e5\u8be2\u529f\u80fd，\u80fd\u591f\u5feb\u901f\u54cd\u5e94\u7528\u6237\u7684\u67e5\u8be2\u8bf7\u6c42，\u4e3a\u7cfb\u7edf\u7684\u524d\u7aef\u5c55\u793a\u548c\u540e\u7aef\u4e1a\u52a1\u903b\u8f91\u5904\u7406\u63d0\u4f9b\u53ca\u65f6\u7684\u6570\u636e\u652f\u6301\u3002\u4f8b\u5982，\u5f53\u7528\u6237\u641c\u7d22\u67d0\u79cd\u4e2d\u8349\u836f\u65f6，<\/span>MySQL <\/span>\u6570\u636e\u5e93\u80fd\u591f\u8fc5\u901f\u68c0\u7d22\u51fa\u76f8\u5173\u7684\u4ea7\u54c1\u4fe1\u606f\u5e76\u8fd4\u56de\u7ed9\u524d\u7aef\u9875\u9762\u3002<\/span><\/p>\n

2.4 <\/span>\u524d\u7aef\u5f00\u53d1\u6280\u672f<\/span><\/p>\n

\u5728\u524d\u7aef\u5f00\u53d1\u65b9\u9762，\u91c7\u7528\u4e86<\/span> HTML<\/span>（\u8d85\u6587\u672c\u6807\u8bb0\u8bed\u8a00）\u3001<\/span>CSS<\/span>（\u5c42\u53e0\u6837\u5f0f\u8868）\u548c<\/span> JavaScript <\/span>\u7b49\u6280\u672f\u3002<\/span>HTML <\/span>\u8d1f\u8d23\u6784\u5efa\u9875\u9762\u7684\u57fa\u672c\u7ed3\u6784，\u5b9a\u4e49\u9875\u9762\u4e2d\u7684\u5404\u79cd\u5143\u7d20，\u5982\u6807\u9898\u3001\u6bb5\u843d\u3001\u56fe\u7247\u7b49\u3002<\/span>CSS <\/span>\u7528\u4e8e\u7f8e\u5316\u9875\u9762\u6837\u5f0f，\u63a7\u5236\u9875\u9762\u5143\u7d20\u7684\u5e03\u5c40\u3001\u989c\u8272\u3001\u5b57\u4f53\u7b49，\u4f7f\u9875\u9762\u5448\u73b0\u51fa\u7f8e\u89c2\u3001\u8212\u9002\u7684\u89c6\u89c9\u6548\u679c\u3002<\/span>JavaScript <\/span>\u5219\u4e3a\u9875\u9762\u6dfb\u52a0\u4ea4\u4e92\u529f\u80fd，\u4f8b\u5982\u5b9e\u73b0\u7528\u6237\u5728\u641c\u7d22\u6846\u8f93\u5165\u5185\u5bb9\u65f6\u5b9e\u65f6\u63d0\u793a\u76f8\u5173\u7ed3\u679c，\u4ee5\u53ca\u7528\u6237\u70b9\u51fb\u6309\u94ae\u8fdb\u884c\u4ea7\u54c1\u8be6\u60c5\u67e5\u770b\u3001\u6dfb\u52a0\u5230\u8d2d\u7269\u8f66\u7b49\u64cd\u4f5c\u65f6\u7684\u52a8\u6001\u54cd\u5e94\u3002\u901a\u8fc7\u8fd9\u4e9b\u524d\u7aef\u6280\u672f\u7684\u7ed3\u5408，\u6253\u9020\u51fa\u7b80\u6d01\u76f4\u89c2\u3001\u7528\u6237\u4ea4\u4e92\u4f53\u9a8c\u826f\u597d\u7684\u5e73\u53f0\u754c\u9762\u3002<\/span><\/p>\n

2.5 <\/span>\u540e\u7aef\u5f00\u53d1\u6280\u672f<\/span><\/p>\n

\u540e\u7aef\u5f00\u53d1\u4e3b\u8981\u91c7\u7528<\/span> Python <\/span>\u7684<\/span> Django <\/span>\u6846\u67b6\u3002\u8fd9\u4e9b\u6846\u67b6\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5de5\u5177\u548c\u5e93，\u7528\u4e8e\u5904\u7406\u4e1a\u52a1\u903b\u8f91\u3001\u4e0e\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\u4ee5\u53ca\u63d0\u4f9b<\/span> API <\/span>\u63a5\u53e3\u7b49\u3002\u5b83\u80fd\u591f\u65b9\u4fbf\u5730\u63a5\u6536\u524d\u7aef\u53d1\u9001\u7684\u8bf7\u6c42，\u6839\u636e\u4e1a\u52a1\u903b\u8f91\u8c03\u7528<\/span> NCF <\/span>\u6a21\u578b\u8fdb\u884c\u63a8\u8350\u8ba1\u7b97，\u5904\u7406\u6570\u636e\u67e5\u8be2\u548c\u66f4\u65b0\u64cd\u4f5c，\u5e76\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u524d\u7aef\u3002<\/span>Django <\/span>\u6846\u67b6\u5219\u5177\u6709\u5f3a\u5927\u7684\u529f\u80fd\u548c\u5b8c\u5584\u7684\u7ec4\u4ef6，\u5982\u5185\u7f6e\u7684\u6570\u636e\u5e93\u7ba1\u7406\u3001\u7528\u6237\u8ba4\u8bc1\u7cfb\u7edf\u7b49，\u6709\u52a9\u4e8e\u6784\u5efa\u5927\u578b\u3001\u590d\u6742\u7684\u540e\u7aef\u7cfb\u7edf，\u4fdd\u969c\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002<\/span><\/p>\n

\n

3 \u9700\u6c42\u5206\u6790<\/p>\n

\u672c\u7ae0\u4e3b\u8981\u9996\u5148\u5bf9\u7cfb\u7edf\u5f00\u53d1\u7684\u53ef\u884c\u6027\u8fdb\u884c\u5206\u6790，\u7136\u540e\u518d\u5bf9\u6574\u4f53\u7684\u7cfb\u7edf\u5f00\u53d1\u6d41\u7a0b\u548c\u7528\u6237\u6ce8\u518c\u767b\u5f55\u6d41\u7a0b\u4ee5\u53ca\u529f\u80fd\u6d41\u7a0b\u8fdb\u884c\u5206\u6790\u3002<\/span><\/p>\n

3.1<\/span>\u53ef\u884c\u6027\u5206\u6790<\/span><\/p>\n

3.1.1 <\/span>\u6280\u672f\u53ef\u884c\u6027<\/span><\/p>\n

\u6210\u719f\u7684\u6280\u672f\u6808\u652f\u6491：\u672c\u7cfb\u7edf\u6784\u5efa\u4f9d\u6258\u7684\u6280\u672f\u4f53\u7cfb\u5df2\u5341\u5206\u6210\u719f\u3002<\/span>Python <\/span>\u7f16\u7a0b\u8bed\u8a00\u62e5\u6709\u4e30\u5bcc\u7684\u5f00\u6e90\u5e93，\u50cf\u6df1\u5ea6\u5b66\u4e60\u7684<\/span> PyTorch <\/span>\u5e93，\u80fd\u4fbf\u6377\u5730\u642d\u5efa\u3001\u8bad\u7ec3\u795e\u7ecf\u534f\u540c\u8fc7\u6ee4（<\/span>NCF<\/span>）\u6a21\u578b，\u5b9e\u73b0\u7cbe\u51c6\u7684\u7528\u6237<\/span> – <\/span>\u5546\u54c1\u4ea4\u4e92\u9884\u6d4b；\u6570\u636e\u5904\u7406\u65b9\u9762，<\/span>Pandas <\/span>\u548c<\/span> NumPy <\/span>\u5e93\u53ef\u9ad8\u6548\u5e94\u5bf9\u6d77\u91cf\u6570\u636e\u6e05\u6d17\u4e0e\u9884\u5904\u7406\u3002<\/span>MySQL <\/span>\u4f5c\u4e3a\u5e7f\u6cdb\u5e94\u7528\u7684\u5f00\u6e90\u5173\u7cfb\u578b\u6570\u636e\u5e93，\u5176\u7a33\u5b9a\u53ef\u9760，\u80fd\u59a5\u5584\u5b58\u50a8\u548c\u7ba1\u7406\u7528\u6237\u6570\u636e\u3001\u4e2d\u8349\u836f\u4ea7\u54c1\u4fe1\u606f\u4ee5\u53ca\u4ea4\u4e92\u6570\u636e，\u4e14\u5177\u5907\u5f3a\u5927\u7684\u67e5\u8be2\u529f\u80fd，\u80fd\u8fc5\u901f\u54cd\u5e94\u6570\u636e\u8bf7\u6c42\u3002\u524d\u7aef\u5f00\u53d1\u4f7f\u7528\u7684<\/span> HTML<\/span>\u3001<\/span>CSS <\/span>\u548c<\/span> JavaScript <\/span>\u6280\u672f，\u53ef\u6253\u9020\u51fa\u4ea4\u4e92\u4f53\u9a8c\u826f\u597d\u7684\u7528\u6237\u754c\u9762；\u540e\u7aef\u7684<\/span> Flask <\/span>\u6216<\/span> Django <\/span>\u6846\u67b6，\u4e3a\u5904\u7406\u4e1a\u52a1\u903b\u8f91\u3001\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u4ee5\u53ca\u63d0\u4f9b<\/span> API <\/span>\u63a5\u53e3\u63d0\u4f9b\u4e86\u5b8c\u5584\u7684\u5de5\u5177\u548c\u5e93\u3002\u8fd9\u4e9b\u6280\u672f\u7684\u5e7f\u6cdb\u5e94\u7528\u548c\u6301\u7eed\u66f4\u65b0，\u8868\u660e\u5b83\u4eec\u8db3\u4ee5\u652f\u6491\u672c\u7cfb\u7edf\u7684\u5f00\u53d1\u4e0e\u8fd0\u884c\u3002<\/span><\/p>\n

\u6280\u672f\u4eba\u624d\u50a8\u5907\u4e30\u5bcc：\u5f53\u4e0b，<\/span>Python<\/span>\u3001\u6df1\u5ea6\u5b66\u4e60\u3001\u6570\u636e\u5e93\u7ba1\u7406\u4ee5\u53ca\u524d\u540e\u7aef\u5f00\u53d1\u7b49\u76f8\u5173\u9886\u57df\u7684\u6280\u672f\u4eba\u624d\u4f17\u591a\u3002\u9ad8\u6821\u548c\u4e13\u4e1a\u57f9\u8bad\u673a\u6784\u57f9\u517b\u4e86\u5927\u91cf\u5177\u5907\u8fd9\u4e9b\u6280\u80fd\u7684\u4e13\u4e1a\u4eba\u5458，\u4f01\u4e1a\u80fd\u591f\u8f83\u8f7b\u677e\u5730\u7ec4\u5efa\u8d77\u6280\u672f\u56e2\u961f，\u5b8c\u6210\u7cfb\u7edf\u4ece\u8bbe\u8ba1\u3001\u5f00\u53d1\u5230\u7ef4\u62a4\u7684\u5168\u6d41\u7a0b\u5de5\u4f5c\u3002\u65e0\u8bba\u662f\u6a21\u578b\u4f18\u5316\u3001\u7cfb\u7edf\u6027\u80fd\u63d0\u5347，\u8fd8\u662f\u89e3\u51b3\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u7684\u6280\u672f\u96be\u9898，\u90fd\u6709\u5145\u8db3\u7684\u4eba\u624d\u8d44\u6e90\u53ef\u5229\u7528，\u4e3a\u9879\u76ee\u7684\u6280\u672f\u5b9e\u73b0\u63d0\u4f9b\u4e86\u575a\u5b9e\u4fdd\u969c\u3002<\/span><\/p>\n

3.1.2 <\/span>\u7ecf\u6d4e\u53ef\u884c\u6027<\/span><\/p>\n

\u4f4e\u6210\u672c\u5f00\u53d1：\u5f00\u53d1\u8fc7\u7a0b\u4e2d，<\/span>Python <\/span>\u53ca\u76f8\u5173\u5f00\u6e90\u5e93\u3001<\/span>MySQL <\/span>\u6570\u636e\u5e93\u7b49\u5747\u4e3a\u5f00\u6e90\u8f6f\u4ef6，\u65e0\u9700\u652f\u4ed8\u9ad8\u6602\u7684\u8f6f\u4ef6\u6388\u6743\u8d39\u7528\u3002\u524d\u7aef\u548c\u540e\u7aef\u5f00\u53d1\u6280\u672f\u4e5f\u662f\u5f00\u6e90\u4e14\u514d\u8d39\u4f7f\u7528，\u964d\u4f4e\u4e86\u6280\u672f\u6210\u672c\u3002\u540c\u65f6，\u4e91\u8ba1\u7b97\u670d\u52a1\u7684\u666e\u53ca\u4f7f\u5f97\u670d\u52a1\u5668\u79df\u8d41\u6210\u672c\u53ef\u63a7，\u53ef\u6839\u636e\u7cfb\u7edf\u8fd0\u8425\u521d\u671f\u7684\u6d41\u91cf\u9884\u4f30，\u9009\u62e9\u5408\u9002\u914d\u7f6e\u7684\u4e91\u670d\u52a1\u5668，\u540e\u7eed\u518d\u4f9d\u636e\u5b9e\u9645\u4e1a\u52a1\u589e\u957f\u7075\u6d3b\u8c03\u6574\u3002\u6b64\u5916，\u5f00\u53d1\u56e2\u961f\u7684\u4eba\u529b\u6210\u672c\u5728\u5408\u7406\u89c4\u5212\u4e0b\u4e5f\u80fd\u5f97\u5230\u6709\u6548\u63a7\u5236，\u4f8b\u5982\u901a\u8fc7\u8fdc\u7a0b\u534f\u4f5c\u7b49\u65b9\u5f0f，\u53ef\u51cf\u5c11\u529e\u516c\u573a\u5730\u7b49\u989d\u5916\u5f00\u652f，\u603b\u4f53\u5f00\u53d1\u6210\u672c\u76f8\u5bf9\u8f83\u4f4e\u3002<\/span><\/p>\n

\u6f5c\u5728\u9ad8\u6536\u76ca：\u4ece\u6536\u76ca\u89d2\u5ea6\u770b，\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u4e00\u65e6\u5efa\u6210\u5e76\u8fd0\u8425，\u5c06\u5f00\u62d3\u65b0\u7684\u9500\u552e\u6e20\u9053，\u6269\u5927\u5e02\u573a\u8986\u76d6\u8303\u56f4\u3002\u7cbe\u51c6\u7684\u4e2a\u6027\u5316\u63a8\u8350\u529f\u80fd\u80fd\u591f\u63d0\u9ad8\u7528\u6237\u8d2d\u4e70\u8f6c\u5316\u7387，\u589e\u52a0\u9500\u552e\u989d\u3002\u5e73\u53f0\u8fd8\u53ef\u901a\u8fc7\u5e7f\u544a\u6295\u653e\u3001\u4e0e\u4f9b\u5e94\u5546\u5408\u4f5c\u7b49\u65b9\u5f0f\u83b7\u53d6\u989d\u5916\u6536\u5165\u3002\u957f\u671f\u6765\u770b，\u968f\u7740\u7528\u6237\u6570\u91cf\u7684\u589e\u957f\u548c\u7528\u6237\u7c98\u6027\u7684\u63d0\u9ad8，\u5e73\u53f0\u7684\u76c8\u5229\u80fd\u529b\u5c06\u4e0d\u65ad\u589e\u5f3a，\u6709\u671b\u5728\u8f83\u77ed\u65f6\u95f4\u5185\u6536\u56de\u5f00\u53d1\u6210\u672c，\u5e76\u5b9e\u73b0\u76c8\u5229\u3002<\/span><\/p>\n

3.1.3 <\/span>\u793e\u4f1a\u63a5\u53d7\u5ea6<\/span><\/p>\n

\u7528\u6237\u9700\u6c42\u9a71\u52a8：\u5728\u6570\u5b57\u5316\u65f6\u4ee3，\u6d88\u8d39\u8005\u5bf9\u4e8e\u4fbf\u6377\u8d2d\u7269\u548c\u4e2a\u6027\u5316\u670d\u52a1\u7684\u9700\u6c42\u65e5\u76ca\u589e\u957f\u3002\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u80fd\u591f\u4e3a\u7528\u6237\u63d0\u4f9b\u6d77\u91cf\u7684\u4ea7\u54c1\u4fe1\u606f，\u8ba9\u7528\u6237\u8db3\u4e0d\u51fa\u6237\u5c31\u80fd\u4e86\u89e3\u5404\u7c7b\u4e2d\u8349\u836f\u7684\u529f\u6548\u3001\u7528\u6cd5\u7b49，\u8282\u7701\u65f6\u95f4\u548c\u7cbe\u529b\u3002\u4e2a\u6027\u5316\u63a8\u8350\u529f\u80fd\u66f4\u662f\u80fd\u6ee1\u8db3\u7528\u6237\u7684\u72ec\u7279\u9700\u6c42，\u5c24\u5176\u5bf9\u4e8e\u5173\u6ce8\u517b\u751f\u548c\u4f20\u7edf\u4e2d\u533b\u836f\u7684\u4eba\u7fa4，\u8fd9\u6837\u7684\u5e73\u53f0\u5177\u6709\u6781\u5927\u5438\u5f15\u529b\u3002\u540c\u65f6，\u968f\u7740\u4eba\u4eec\u5bf9\u5065\u5eb7\u91cd\u89c6\u7a0b\u5ea6\u7684\u63d0\u5347，\u5bf9\u4e2d\u8349\u836f\u4ea7\u54c1\u7684\u9700\u6c42\u4e5f\u5728\u4e0d\u65ad\u589e\u52a0，\u8fd9\u4e3a\u5e73\u53f0\u7684\u63a8\u5e7f\u548c\u7528\u6237\u63a5\u53d7\u5ea6\u5960\u5b9a\u4e86\u826f\u597d\u57fa\u7840\u3002<\/span><\/p>\n

\u884c\u4e1a\u53d1\u5c55\u8d8b\u52bf\u63a8\u52a8：\u4e2d\u8349\u836f\u884c\u4e1a\u6b63\u9762\u4e34\u6570\u5b57\u5316\u8f6c\u578b\u7684\u8feb\u5207\u9700\u6c42，\u4f20\u7edf\u7684\u9500\u552e\u6a21\u5f0f\u9650\u5236\u4e86\u884c\u4e1a\u53d1\u5c55\u3002\u672c\u5e73\u53f0\u7684\u51fa\u73b0\u7b26\u5408\u884c\u4e1a\u53d1\u5c55\u8d8b\u52bf，\u80fd\u591f\u5e2e\u52a9\u4e2d\u8349\u836f\u4f01\u4e1a\u62d3\u5c55\u5e02\u573a\u3001\u63d0\u5347\u8fd0\u8425\u6548\u7387\u3002\u901a\u8fc7\u5e73\u53f0\u6574\u5408\u884c\u4e1a\u8d44\u6e90，\u4fc3\u8fdb\u4fe1\u606f\u6d41\u901a，\u5c06\u5f97\u5230\u884c\u4e1a\u5185\u4f01\u4e1a\u548c\u4ece\u4e1a\u8005\u7684\u8ba4\u53ef\u4e0e\u652f\u6301\u3002\u4f8b\u5982，\u836f\u4f01\u53ef\u901a\u8fc7\u5e73\u53f0\u7cbe\u51c6\u63a8\u5e7f\u4ea7\u54c1，\u836f\u5e97\u80fd\u501f\u52a9\u5e73\u53f0\u4f18\u5316\u91c7\u8d2d\u6e20\u9053，\u4ece\u800c\u63a8\u52a8\u6574\u4e2a\u884c\u4e1a\u5bf9\u5e73\u53f0\u7684\u63a5\u7eb3\u548c\u5e94\u7528\u3002<\/span><\/p>\n

3.1.4 <\/span>\u6cd5\u5f8b\u4e0e\u4f26\u7406\u53ef\u884c\u6027<\/span><\/p>\n

\u6cd5\u5f8b\u6cd5\u89c4\u5408\u89c4：\u5728\u6cd5\u5f8b\u5c42\u9762，\u5e73\u53f0\u5f00\u53d1\u4e25\u683c\u9075\u5faa\u76f8\u5173\u6cd5\u5f8b\u6cd5\u89c4\u3002\u5728\u6570\u636e\u6536\u96c6\u548c\u4f7f\u7528\u65b9\u9762，\u5145\u5206\u5c0a\u91cd\u7528\u6237\u9690\u79c1，\u9075\u5faa\u6570\u636e\u4fdd\u62a4\u6cd5\u89c4，\u660e\u786e\u544a\u77e5\u7528\u6237\u6570\u636e\u6536\u96c6\u7684\u76ee\u7684\u3001\u65b9\u5f0f\u548c\u7528\u9014，\u5e76\u83b7\u5f97\u7528\u6237\u540c\u610f\u3002\u9500\u552e\u7684\u4e2d\u8349\u836f\u4ea7\u54c1\u4e25\u683c\u9075\u5b88\u836f\u54c1\u7ba1\u7406\u6cd5\u89c4，\u786e\u4fdd\u4ea7\u54c1\u8d28\u91cf\u548c\u6765\u6e90\u5408\u6cd5\u5408\u89c4，\u4ece\u91c7\u8d2d\u3001\u5b58\u50a8\u5230\u9500\u552e\u7684\u5168\u6d41\u7a0b\u7b26\u5408\u76f8\u5173\u6807\u51c6\u3002\u5e73\u53f0\u8fd0\u8425\u8fc7\u7a0b\u4e2d\u7684\u5e7f\u544a\u5ba3\u4f20\u7b49\u6d3b\u52a8，\u4e5f\u9075\u5faa\u5e7f\u544a\u6cd5\u7b49\u6cd5\u5f8b\u6cd5\u89c4，\u907f\u514d\u865a\u5047\u5ba3\u4f20，\u4fdd\u969c\u6d88\u8d39\u8005\u6743\u76ca\u3002<\/span><\/p>\n

\u4f26\u7406\u9053\u5fb7\u89c4\u8303：\u4ece\u4f26\u7406\u89d2\u5ea6\u770b，\u5e73\u53f0\u5728\u4ea7\u54c1\u4fe1\u606f\u5c55\u793a\u4e0a\u79c9\u6301\u5ba2\u89c2\u3001\u771f\u5b9e\u7684\u539f\u5219，\u4e0d\u5938\u5927\u4e2d\u8349\u836f\u7684\u529f\u6548，\u4e0d\u8bef\u5bfc\u6d88\u8d39\u8005\u3002\u5bf9\u4e8e\u6d89\u53ca\u533b\u7597\u5efa\u8bae\u7684\u5185\u5bb9，\u660e\u786e\u63d0\u793a\u7528\u6237\u54a8\u8be2\u4e13\u4e1a\u533b\u751f，\u907f\u514d\u56e0\u4e0d\u5f53\u4fe1\u606f\u5bfc\u81f4\u7528\u6237\u5065\u5eb7\u98ce\u9669\u3002\u5728\u63a8\u8350\u7cfb\u7edf\u8bbe\u8ba1\u4e2d，\u907f\u514d\u57fa\u4e8e\u7528\u6237\u654f\u611f\u4fe1\u606f（\u5982\u79cd\u65cf\u3001\u5b97\u6559\u7b49）\u8fdb\u884c\u6b67\u89c6\u6027\u63a8\u8350，\u786e\u4fdd\u516c\u5e73\u516c\u6b63，\u7ef4\u62a4\u826f\u597d\u7684\u793e\u4f1a\u4f26\u7406\u79e9\u5e8f\u3002<\/span><\/p>\n

\n

3.2 <\/span>\u975e\u529f\u80fd\u6027\u9700\u6c42\u5206\u6790<\/span><\/p>\n

（<\/span>1<\/span>）\u6027\u80fd\u9700\u6c42<\/span><\/p>\n

\u54cd\u5e94\u65f6\u95f4：\u7528\u6237\u671f\u671b\u5728\u5e73\u53f0\u4e0a\u7684\u64cd\u4f5c\u80fd\u591f\u5f97\u5230\u5feb\u901f\u54cd\u5e94\u3002\u65e0\u8bba\u662f\u67e5\u8be2\u4e2d\u8349\u836f\u4fe1\u606f\u3001\u641c\u7d22\u4ea7\u54c1，\u8fd8\u662f\u5b8c\u6210\u4e0b\u5355\u8d2d\u4e70，\u7cfb\u7edf\u5e94\u5728\u77ed\u65f6\u95f4\u5185\u7ed9\u51fa\u53cd\u9988\u3002\u4e00\u822c\u800c\u8a00，\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u5e94\u63a7\u5236\u5728<\/span> 3 <\/span>\u79d2\u4ee5\u5185，\u590d\u6742\u67e5\u8be2（\u5982\u591a\u6761\u4ef6\u7b5b\u9009\u4e2d\u8349\u836f\u4ea7\u54c1）\u7684\u54cd\u5e94\u65f6\u95f4\u4e5f\u4e0d\u5b9c\u8d85\u8fc7<\/span> 5 <\/span>\u79d2\u3002\u8fd9\u5c31\u8981\u6c42\u7cfb\u7edf\u5728\u670d\u52a1\u5668\u6027\u80fd\u4f18\u5316\u3001\u6570\u636e\u5e93\u67e5\u8be2\u4f18\u5316\u4ee5\u53ca\u524d\u7aef\u4ee3\u7801\u4f18\u5316\u7b49\u65b9\u9762\u4e0b\u8db3\u529f\u592b，\u4ee5\u786e\u4fdd\u7528\u6237\u64cd\u4f5c\u7684\u6d41\u7545\u6027，\u907f\u514d\u56e0\u7b49\u5f85\u65f6\u95f4\u8fc7\u957f\u800c\u6d41\u5931\u7528\u6237\u3002<\/span><\/p>\n

\u541e\u5410\u91cf：\u968f\u7740\u5e73\u53f0\u7528\u6237\u6570\u91cf\u7684\u589e\u957f，\u7cfb\u7edf\u9700\u5177\u5907\u5904\u7406\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42\u7684\u80fd\u529b\u3002\u5728\u9ad8\u5cf0\u65f6\u6bb5，\u5982\u4fc3\u9500\u6d3b\u52a8\u671f\u95f4，\u53ef\u80fd\u4f1a\u6709\u5927\u91cf\u7528\u6237\u540c\u65f6\u8bbf\u95ee\u5e73\u53f0\u3001\u6d4f\u89c8\u4ea7\u54c1\u3001\u4e0b\u5355\u7b49\u3002\u7cfb\u7edf\u5e94\u80fd\u591f\u7a33\u5b9a\u5904\u7406\u4e00\u5b9a\u6570\u91cf\u7684\u5e76\u53d1\u8bf7\u6c42，\u4fdd\u8bc1\u670d\u52a1\u4e0d\u4e2d\u65ad\u3001\u4e0d\u5361\u987f\u3002\u901a\u8fc7\u5408\u7406\u7684\u670d\u52a1\u5668\u67b6\u6784\u8bbe\u8ba1\u3001\u8d1f\u8f7d\u5747\u8861\u6280\u672f\u7684\u5e94\u7528\u4ee5\u53ca\u7f13\u5b58\u673a\u5236\u7684\u8bbe\u7f6e，\u63d0\u9ad8\u7cfb\u7edf\u7684\u541e\u5410\u91cf，\u6ee1\u8db3\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u4e1a\u52a1\u9700\u6c42\u3002<\/span><\/p>\n

（<\/span>2<\/span>）\u53ef\u7528\u6027\u9700\u6c42<\/span><\/p>\n

\u6613\u7528\u6027：\u5e73\u53f0\u7684\u7528\u6237\u7fa4\u4f53\u5e7f\u6cdb，\u5305\u62ec\u4e13\u4e1a\u4e2d\u533b\u4ece\u4e1a\u8005\u3001\u666e\u901a\u517b\u751f\u7231\u597d\u8005\u4ee5\u53ca\u5bf9\u4e2d\u8349\u836f\u6709\u5174\u8da3\u7684\u5927\u4f17\u3002\u56e0\u6b64，\u7cfb\u7edf\u7684\u64cd\u4f5c\u6d41\u7a0b\u5fc5\u987b\u7b80\u5355\u6613\u61c2，\u754c\u9762\u8bbe\u8ba1\u5e94\u7b80\u6d01\u76f4\u89c2\u3002\u4f8b\u5982，\u4ea7\u54c1\u641c\u7d22\u529f\u80fd\u5e94\u652f\u6301\u591a\u79cd\u641c\u7d22\u65b9\u5f0f，\u5982\u6309\u540d\u79f0\u3001\u529f\u6548\u3001\u4ea7\u5730\u7b49\u8fdb\u884c\u641c\u7d22，\u4e14\u641c\u7d22\u7ed3\u679c\u5c55\u793a\u6e05\u6670\u660e\u4e86\u3002\u7528\u6237\u6ce8\u518c\u767b\u5f55\u8fc7\u7a0b\u5e94\u4fbf\u6377，\u63d0\u4f9b\u591a\u79cd\u767b\u5f55\u65b9\u5f0f，\u5982\u624b\u673a\u53f7\u3001\u90ae\u7bb1\u767b\u5f55，\u4ee5\u53ca\u7b2c\u4e09\u65b9\u8d26\u53f7\u767b\u5f55\u3002\u540c\u65f6，\u5e73\u53f0\u5e94\u63d0\u4f9b\u8be6\u7ec6\u7684\u4f7f\u7528\u6307\u5357\u548c\u5e2e\u52a9\u6587\u6863，\u65b9\u4fbf\u7528\u6237\u5728\u9047\u5230\u95ee\u9898\u65f6\u80fd\u591f\u5feb\u901f\u627e\u5230\u89e3\u51b3\u65b9\u6848\u3002<\/span><\/p>\n

\u53ef\u8bbf\u95ee\u6027：\u786e\u4fdd\u5e73\u53f0\u5728\u4e0d\u540c\u8bbe\u5907\u548c\u7f51\u7edc\u73af\u5883\u4e0b\u90fd\u80fd\u6b63\u5e38\u8bbf\u95ee\u3002\u7528\u6237\u53ef\u80fd\u901a\u8fc7\u7535\u8111\u3001\u5e73\u677f\u3001\u624b\u673a\u7b49\u591a\u79cd\u8bbe\u5907\u8bbf\u95ee\u5e73\u53f0，\u7cfb\u7edf\u9700\u5177\u5907\u826f\u597d\u7684\u54cd\u5e94\u5f0f\u8bbe\u8ba1，\u80fd\u591f\u81ea\u9002\u5e94\u4e0d\u540c\u8bbe\u5907\u7684\u5c4f\u5e55\u5c3a\u5bf8\u548c\u5206\u8fa8\u7387\u3002\u6b64\u5916，\u8981\u4fdd\u8bc1\u5728\u4e0d\u540c\u7f51\u7edc\u6761\u4ef6\u4e0b（\u5982<\/span> 4G<\/span>\u3001<\/span>WiFi<\/span>\u3001<\/span>5G<\/span>）\u5e73\u53f0\u90fd\u80fd\u7a33\u5b9a\u8fd0\u884c，\u4e3a\u7528\u6237\u63d0\u4f9b\u4e00\u81f4\u7684\u4f7f\u7528\u4f53\u9a8c\u3002<\/span><\/p>\n

（<\/span>3<\/span>）\u5b89\u5168\u6027\u9700\u6c42<\/span><\/p>\n

\u6570\u636e\u5b89\u5168：\u5e73\u53f0\u6d89\u53ca\u5927\u91cf\u7528\u6237\u6570\u636e\u548c\u654f\u611f\u4fe1\u606f，\u5982\u7528\u6237\u4e2a\u4eba\u8d44\u6599\u3001\u8d2d\u4e70\u8bb0\u5f55\u7b49，\u4ee5\u53ca\u4e2d\u8349\u836f\u4ea7\u54c1\u7684\u76f8\u5173\u4fe1\u606f\u3002\u5fc5\u987b\u91c7\u53d6\u4e25\u683c\u7684\u6570\u636e\u52a0\u5bc6\u63aa\u65bd，\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u548c\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u5b89\u5168\u6027\u3002\u4f8b\u5982，\u4f7f\u7528<\/span> SSL\/TLS <\/span>\u52a0\u5bc6\u534f\u8bae\u4fdd\u969c\u6570\u636e\u4f20\u8f93\u5b89\u5168，\u5bf9\u7528\u6237\u5bc6\u7801\u7b49\u654f\u611f\u4fe1\u606f\u8fdb\u884c\u52a0\u5bc6\u5b58\u50a8\u3002\u540c\u65f6，\u5b9a\u671f\u8fdb\u884c\u6570\u636e\u5907\u4efd，\u9632\u6b62\u6570\u636e\u4e22\u5931，\u5e76\u5236\u5b9a\u5b8c\u5584\u7684\u6570\u636e\u6062\u590d\u7b56\u7565，\u4ee5\u5e94\u5bf9\u53ef\u80fd\u51fa\u73b0\u7684\u6570\u636e\u707e\u96be\u3002<\/span><\/p>\n

\u7528\u6237\u8ba4\u8bc1\u4e0e\u6388\u6743：\u5efa\u7acb\u5065\u5168\u7684\u7528\u6237\u8ba4\u8bc1\u673a\u5236，\u786e\u4fdd\u53ea\u6709\u5408\u6cd5\u7528\u6237\u80fd\u591f\u8bbf\u95ee\u5e73\u53f0\u8d44\u6e90\u3002\u91c7\u7528\u591a\u79cd\u8ba4\u8bc1\u65b9\u5f0f\u76f8\u7ed3\u5408，\u5982\u7528\u6237\u540d\u5bc6\u7801\u3001\u9a8c\u8bc1\u7801\u3001\u77ed\u4fe1\u9a8c\u8bc1\u7b49，\u63d0\u9ad8\u7528\u6237\u8d26\u53f7\u7684\u5b89\u5168\u6027\u3002\u5bf9\u4e8e\u4e0d\u540c\u7c7b\u578b\u7684\u7528\u6237（\u5982\u666e\u901a\u7528\u6237\u3001\u5546\u5bb6\u3001\u7ba1\u7406\u5458），\u8bbe\u7f6e\u4e0d\u540c\u7684\u6743\u9650，\u660e\u786e\u5176\u53ef\u64cd\u4f5c\u7684\u529f\u80fd\u548c\u53ef\u8bbf\u95ee\u7684\u6570\u636e\u8303\u56f4，\u9632\u6b62\u8d8a\u6743\u64cd\u4f5c，\u4fdd\u969c\u5e73\u53f0\u7684\u5b89\u5168\u8fd0\u8425\u3002<\/span><\/p>\n

（<\/span>4<\/span>）\u53ef\u7ef4\u62a4\u6027\u9700\u6c42<\/span><\/p>\n

\u4ee3\u7801\u53ef\u8bfb\u6027：\u7cfb\u7edf\u5f00\u53d1\u8fc7\u7a0b\u4e2d，\u5e94\u9075\u5faa\u826f\u597d\u7684\u7f16\u7a0b\u89c4\u8303，\u786e\u4fdd\u4ee3\u7801\u7ed3\u6784\u6e05\u6670\u3001\u53ef\u8bfb\u6027\u5f3a\u3002\u5408\u7406\u4f7f\u7528\u6ce8\u91ca，\u5bf9\u5173\u952e\u4ee3\u7801\u6bb5\u3001\u529f\u80fd\u6a21\u5757\u8fdb\u884c\u8be6\u7ec6\u8bf4\u660e，\u65b9\u4fbf\u5f00\u53d1\u56e2\u961f\u6210\u5458\u4e4b\u95f4\u7684\u534f\u4f5c\u548c\u4ee3\u7801\u7ef4\u62a4\u3002\u5f53\u9700\u8981\u5bf9\u7cfb\u7edf\u8fdb\u884c\u529f\u80fd\u5347\u7ea7\u6216\u4fee\u590d\u6f0f\u6d1e\u65f6，\u80fd\u591f\u5feb\u901f\u7406\u89e3\u4ee3\u7801\u903b\u8f91，\u964d\u4f4e\u7ef4\u62a4\u6210\u672c\u3002<\/span><\/p>\n

\u7cfb\u7edf\u6269\u5c55\u6027：\u968f\u7740\u4e1a\u52a1\u7684\u53d1\u5c55\u548c\u7528\u6237\u9700\u6c42\u7684\u53d8\u5316，\u5e73\u53f0\u53ef\u80fd\u9700\u8981\u4e0d\u65ad\u6dfb\u52a0\u65b0\u529f\u80fd\u3001\u4f18\u5316\u73b0\u6709\u529f\u80fd\u3002\u7cfb\u7edf\u67b6\u6784\u5e94\u5177\u5907\u826f\u597d\u7684\u6269\u5c55\u6027，\u4fbf\u4e8e\u8fdb\u884c\u529f\u80fd\u6a21\u5757\u7684\u6dfb\u52a0\u3001\u4fee\u6539\u548c\u5220\u9664\u3002\u4f8b\u5982，\u5728\u63a8\u8350\u7cfb\u7edf\u4e2d，\u82e5\u8981\u5f15\u5165\u65b0\u7684\u63a8\u8350\u7b97\u6cd5，\u5e94\u80fd\u591f\u65b9\u4fbf\u5730\u96c6\u6210\u5230\u73b0\u6709\u7cfb\u7edf\u4e2d，\u800c\u4e0d\u5f71\u54cd\u5176\u4ed6\u529f\u80fd\u6a21\u5757\u7684\u6b63\u5e38\u8fd0\u884c\u3002\u901a\u8fc7\u5408\u7406\u7684\u67b6\u6784\u8bbe\u8ba1\u548c\u6280\u672f\u9009\u578b，\u4fdd\u969c\u7cfb\u7edf\u7684\u957f\u671f\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6301\u7eed\u53d1\u5c55\u3002<\/span><\/p>\n

\n

3.3<\/span>\u4e3b\u8981<\/span>\u7814\u7a76\u65b9\u6cd5<\/span><\/p>\n

3.3.1 <\/span>\u6df1\u5ea6\u5b66\u4e60\u6280\u672f<\/span><\/p>\n

\n

\u4e2d\u533b\u6cbb\u7597\u8fc7\u7a0b\u4e2d\u6d89\u53ca\u5230\u5927\u91cf\u7684\u6587\u672c\u4fe1\u606f，\u800c\u81ea\u7136\u8bed\u8a00\u5904\u7406\u6280\u672f\u4f5c\u4e3a\u4e00\u79cd\u5904\u7406\u548c\u5206\u6790\u81ea\u7136\u8bed\u8a00\u7684\u8ba1\u7b97\u673a\u6280\u672f，\u53ef\u4ee5\u5e2e\u52a9\u4e2d\u533b\u9886\u57df\u5b9e\u73b0\u6587\u672c\u4fe1\u606f\u7684\u81ea\u52a8\u5316\u5904\u7406\u548c\u5206\u6790，\u4e5f\u662f\u63a8\u52a8\u673a\u5668\u667a\u80fd\u8d70\u5f97\u66f4\u8fdc\u7684\u5173\u952e\u52a8\u529b\u3002\u673a\u5668\u5b66\u4e60\u65e8\u5728\u8ba9\u8ba1\u7b97\u673a\u901a\u8fc7\u6570\u636e\u5b66\u4e60\u5e76\u6539\u8fdb\u7b97\u6cd5，\u800c\u65e0\u9700\u663e\u5f0f\u7f16\u7a0b\u3002\u673a\u5668\u5b66\u4e60\u901a\u8fc7\u8bad\u7ec3\u4e00\u4e2a\u6a21\u578b，\u4f7f\u5176\u80fd\u591f\u6839\u636e\u8f93\u5165\u6570\u636e\u81ea\u52a8\u8fdb\u884c\u9884\u6d4b\u6216\u51b3\u7b56\u3002\u5305\u542b\u51b3\u7b56\u6811\u3001\u652f\u6301\u5411\u91cf\u673a\u3001\u805a\u7c7b\u3001\u964d\u7ef4\u3001\u5173\u8054\u89c4\u5219\u6316\u6398\u7b49\u6280\u672f\u3002\u6df1\u5ea6\u5b66\u4e60\u4f5c\u4e3a\u673a\u5668\u5b66\u4e60\u6f14\u5316\u51fa\u6765\u7684\u4e00\u4e2a\u5206\u652f，\u53ef\u662f\u4f7f\u7528\u591a\u5c42\u7f51\u7edc\u8868\u793a\u6570\u636e\u3002\u5f53\u524d\u591a\u4e2a\u795e\u7ecf\u7f51\u7edc\u88ab\u7528\u4e8e\u56fe\u50cf\u8bc6\u522b\u3001\u81ea\u7136\u8bed\u8a00\u5904\u7406\u7b49\u591a\u4e2a\u9886\u57df\u3002\u4e0b\u9762\u4ecb\u7ecd\u6280\u672f\u795e\u7ecf\u7f51\u7edc：<\/span><\/p>\n

\"\"<\/p>\n

3.3.2 <\/span>\u5377\u79ef\u795e\u7ecf\u7f51\u7edc<\/span><\/p>\n

\u5377\u79ef\u5c42\u4f5c\u4e3a\u5377\u79ef\u7f51\u7edc\u7684\u6838\u5fc3\u5c42，\u4e3b\u8981\u7528\u4e8e\u63d0\u53d6\u56fe\u50cf\u7279\u5f81\u3002\u6bcf\u4e2a\u5377\u79ef\u5c42\u4e0a\u90fd\u6709\u5377\u79ef<\/span> \u6838，\u5377\u79ef\u6838\u7531\u77e9\u9635\u6784\u6210，\u5176\u5927\u5c0f\u4e3a<\/span>NXN,\u00a0\u00a0 <\/span>\u5377\u79ef\u6838\u7684\u5927\u5c0f\u51b3\u5b9a\u4e86\u63d0\u53d6\u56fe\u50cf\u7279\u5f81\u4fe1\u606f\u7684<\/span> \u591a\u5c11，\u901a\u5e38\u4e3a<\/span>3\u00d73<\/span>\u6216<\/span>5\u00d75<\/span>\u3002\u6d45\u5c42\u5377\u79ef\u5c42\u4e3b\u8981\u7528\u4e8e\u63d0\u53d6\u56fe\u50cf\u7684\u57fa\u7840\u7279\u5f81，\u4f8b\u5982\u7ebf\u6761\u3001<\/span> \u8fb9\u7f18\u548c\u7b80\u5355\u7eb9\u7406\u7b49；\u800c\u6df1\u5c42\u5377\u79ef\u5c42\u5219\u80fd\u591f\u6355\u83b7\u56fe\u50cf\u66f4\u52a0\u590d\u6742\u548c\u62bd\u8c61\u7684\u7279\u5f81，\u5e2e\u52a9\u7f51\u7edc<\/span> \u66f4\u597d\u5730\u7406\u89e3\u56fe\u50cf\u7684\u7ed3\u6784\u548c\u5185\u5bb9<\/span>[44]<\/span>\u3002\u5f53\u8f93\u5165\u5927\u5c0f\u4e3a<\/span>W<\/span>\u7684\u7279\u5f81\u56fe，\u5377\u79ef\u6b65\u957f\u4e3a<\/span>S(Stride),<\/span><\/p>\n

\u5377\u79ef\u6838\u5927\u5c0f\u4e3a<\/span>K(Kernal),\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span>\u586b\u5145\u503c\u5927\u5c0f\u4e3a<\/span>P <\/span>\u65f6，\u5219\u8f93\u51fa\u7279\u5f81\u56fe<\/span>N <\/span>\u7684\u5927\u5c0f\u8ba1\u7b97\u65b9\u5f0f\u5982<\/span> \u516c\u5f0f\u6240\u793a：<\/span><\/p>\n

N=(W-K+2P)\/S+1<\/span><\/p>\n

\u56fe\u4e2d\u8f93\u5165\u7279\u5f81\u56fe\u5927\u5c0f\u4e3a<\/span>5\u00d75,<\/span>\u5377\u79ef\u6838\u5927\u5c0f\u4e3a<\/span>3\u00d73,<\/span>\u8bbe\u5b9a\u5377\u79ef\u6b65<\/span> \u957f\u4e3a<\/span>1<\/span>\u3002\u6839\u636e\u8ba1\u7b97\u516c\u5f0f\u53ef\u5f97\u8f93\u51fa\u7279\u5f81\u56fe\u5927\u5c0f\u4e3a<\/span>3\u00d73,<\/span>\u540c\u65f6\u5bf9\u7279\u5f81\u56fe\u548c\u5377\u79ef\u6838\u5bf9\u5e94\u503c\u76f8<\/span> \u4e58\u7d2f\u52a0\u4fbf\u5f97\u5230\u8f93\u51fa\u7279\u5f81\u56fe\u7684\u76f8\u5e94\u503c\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u6c60\u5316\u5c42\u901a\u5e38\u4e5f\u88ab\u79f0\u4e3a\u4e0b\u91c7\u6837\u5c42，\u662f\u5728\u5377\u79ef\u5c42\u4e4b\u540e\u5904\u7406\u7279\u5f81\u56fe\u7684\u91cd\u8981\u7f51\u7edc\u5c42\u3002\u7279\u5f81<\/span> \u56fe\u7ecf\u8fc7\u5377\u79ef\u64cd\u4f5c\u4e4b\u540e\u4f1a\u8f93\u51fa\u7ef4\u5ea6\u8f83\u9ad8\u7684\u7279\u5f81\u56fe，\u6b64\u65f6\u82e5\u76f4\u63a5\u9001\u5165\u5168\u8fde\u63a5\u5c42\u5bf9\u5176\u5904\u7406，<\/span> \u5c06\u4f1a\u6709\u5f88\u5927\u7684\u6570\u636e\u91cf，\u800c\u6c60\u5316\u5c42\u5c31\u662f\u4f7f\u7528\u67d0\u79cd\u7c7b\u4f3c\u4e8e\u5377\u79ef\u6838\u7684\u65b9\u5f0f\u8fdb\u884c\u6ed1\u5757\u79fb\u52a8，\u5c06<\/span> \u6570\u636e\u7ef4\u5ea6\u8fdb\u884c\u538b\u7f29，\u4ece\u800c\u4ee5\u8f83\u5c11\u7684\u6570\u636e\u6765\u8868\u793a\u7279\u5f81\u56fe，\u4ece\u800c\u907f\u514d\u8fc7\u62df\u5408\u800c\u5bfc\u81f4\u6a21\u578b\u7684<\/span> \u6cdb\u5316\u80fd\u529b\u964d\u4f4e\u3002\u6c60\u5316\u64cd\u4f5c\u4e3b\u8981\u7531\u4e24\u79cd\u7c7b\u578b：\u6700\u5927\u6c60\u5316<\/span> (Max Pooling)<\/span>\u548c\u5e73\u5747\u6c60\u5316<\/span> \u00a0\u00a0\u00a0 (Average Pooling)<\/span>\u3002\u6700\u5927\u6c60\u5316\u662f\u5c06\u7279\u5f81\u56fe\u5206\u4e3a\u82e5\u5e72\u4e2a\u4e0d\u91cd\u53e0\u7684\u77e9\u5f62\u533a\u57df，\u7136\u540e\u5bf9\u6bcf\u6bd4\u8f83，\u53d6\u51fa\u6700\u5927\u7684\u503c\u4f5c\u4e3a\u8be5\u533a\u57df\u7684\u8f93\u51fa，\u800c\u5e73\u5747\u6c60\u5316\u5219\u662f\u53d6\u51fa<\/span> \u6bcf\u4e2a\u77e9\u5f62\u533a\u57df\u5185\u7684\u5e73\u5747\u503c\u4f5c\u4e3a\u8f93\u51fa\u3002<\/span><\/p>\n

\"\"<\/p>\n

3.3.3 <\/span>\u63a8\u8350\u6a21\u578b<\/span><\/p>\n

\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc（<\/span>DNN<\/span>）\u5728\u63a8\u8350\u9886\u57df\u4e2d\u7528\u6765\u8fdb\u884c\u9ad8\u9636\u7684\u7279\u5f81\u7ec4\u5408，\u514b\u670d\u4e86\u7ebf\u6027\u6a21\u578b<\/span> \u53ea\u80fd\u8fdb\u884c\u4f4e\u9636\u7279\u5f81\u7ec4\u5408\u7684\u9650\u5236\u3002\u76f8\u5173\u63a8\u8350\u6a21\u578b\u901a\u5e38\u4f7f\u7528\u7279\u5f81\u5d4c\u5165（<\/span>Embedding<\/span>）<\/span>+<\/span>\u6df1\u5ea6<\/span> \u795e\u7ecf\u7f51\u7edc\u7684\u8303\u5f0f，\u7279\u5f81\u5d4c\u5165\u8d1f\u8d23\u5c06\u9ad8\u7ef4\u7279\u5f81\u5411\u91cf\u6620\u5c04\u5230\u4f4e\u7ef4\u5411\u91cf\u7a7a\u95f4\u4e2d，\u4e5f\u5c31\u662f\u964d\u7ef4<\/span> \u64cd\u4f5c\u3002\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u8d1f\u8d23\u5c06\u7279\u5f81\u5d4c\u5165\u7684\u7ed3\u679c\u901a\u8fc7\u591a\u4e2a\u5168\u8fde\u63a5\u5c42\u548c\u6fc0\u6d3b\u51fd\u6570\u8fdb\u884c\u7279\u5f81\u7684<\/span> \u975e\u7ebf\u6027\u7ec4\u5408，\u901a\u8fc7\u635f\u5931\u51fd\u6570\u8ba1\u7b97\u6a21\u578b\u9884\u6d4b\u503c\u4e0e\u771f\u5b9e\u503c\u7684\u5dee\u8ddd，\u66f4\u65b0\u7f51\u7edc\u53c2\u6570\u3002<\/span><\/p>\n

\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u4e2d，\u795e\u7ecf\u5143\u662f\u6700\u57fa\u672c\u7ec4\u6210\u5143\u7d20，\u5728\u6bcf\u4e00\u4e2a\u7f51\u7edc\u5c42\u4e2d\u90fd\u542b\u6709\u4e00\u4e2a\u6216\u591a<\/span> \u4e2a\u795e\u7ecf\u5143\u3002\u5728\u524d\u5411\u4f20\u64ad\u8fc7\u7a0b\u4e2d，<\/span> \u6bcf\u4e2a\u795e\u7ecf\u5143\u63a5\u6536\u6765\u81ea\u4e0a\u4e00\u7f51\u7edc\u5c42\u7684\u8f93\u5165，\u5bf9\u5176\u8fdb\u884c\u52a0\u6743<\/span> \u6c42\u548c，\u7136\u540e\u901a\u8fc7\u4e00\u4e2a\u6fc0\u6d3b\u51fd\u6570\u8fdb\u884c\u975e\u7ebf\u6027\u53d8\u6362，\u8f93\u5165\u5230\u4e0b\u4e00\u7f51\u7edc\u5c42\u4e2d\u3002<\/span><\/p>\n

\u6fc0\u6d3b\u51fd\u6570\u4e3a\u795e\u7ecf\u7f51\u7edc\u5f15\u5165\u4e86\u975e\u7ebf\u6027\u53d8\u6362，\u5982\u679c\u6ca1\u6709\u6fc0\u6d3b\u51fd\u6570，\u795e\u7ecf\u7f51\u7edc\u5c31\u548c\u7ebf\u6027<\/span> \u6a21\u578b\u6ca1\u6709\u4ec0\u4e48\u533a\u522b，\u53ea\u662f\u7279\u5f81\u7ec4\u5408\u7684\u9636\u6570\u66f4\u9ad8\u3002\u6b64\u5916，\u6fc0\u6d3b\u51fd\u6570\u80fd\u591f\u5c06\u8f93\u5165\u503c\u538b\u7f29\u5230\u4e00<\/span> \u4e2a\u56fa\u5b9a\u7684\u8303\u56f4\u5185，\u6709\u52a9\u4e8e\u7a33\u5b9a\u8bad\u7ec3\u8fc7\u7a0b\u3002<\/span><\/p>\n

\u5e38\u7528\u7684\u6fc0\u6d3b\u51fd\u6570\u6709<\/span> Sigmoid <\/span>\u51fd\u6570\u3001<\/span>GELU <\/span>\u51fd\u6570\u3001<\/span>Leaky ReLU <\/span>\u51fd\u6570\u4ee5\u53ca<\/span> mish <\/span>\u51fd\u6570<\/span> \u7b49\u3002<\/span><\/p>\n

（<\/span>1<\/span>）<\/span>Sigmoid <\/span>\u51fd\u6570<\/span><\/p>\n

Sigmoid <\/span>\u51fd\u6570\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6fc0\u6d3b\u51fd\u6570，\u5e7f\u6cdb\u5e94\u7528\u4e8e\u795e\u7ecf\u4e3a\u7f51\u7edc\u7684\u8f93\u51fa\u5c42\u3002\u5b83\u5c06\u8f93\u5165<\/span> \u503c\u6620\u5c04\u5230<\/span>[0, 1]<\/span>\u533a\u95f4，\u9002\u5408\u7528\u6765\u8868\u793a\u6982\u7387\u3002<\/span>Sigmoid <\/span>\u51fd\u6570\u5176\u8ba1\u7b97\u65b9\u5f0f\u4e3a\u5f0f（<\/span>2.1<\/span>）：<\/span><\/p>\n

Sigmoid=<\/span>\"\"\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/p>\n

\n

Sigmoid <\/span>\u51fd\u6570\u7684\u4f18\u70b9\u662f\u6613\u4e8e\u6c42\u5bfc\u3002\u5176\u7f3a\u70b9\u5305\u62ec\u4ee5\u4e0b\u4e09\u70b9：<\/span>1.<\/span>\u5982\u679c\u8f93\u5165\u503c\u7279\u522b\u5927\u6216\u8005<\/span> \u7279\u522b\u5c0f，\u5bb9\u6613\u51fa\u73b0\u68af\u5ea6\u6d88\u5931\u73b0\u8c61\u3002<\/span>2.<\/span>\u51fd\u6570\u4e2d\u6d89\u53ca\u5e42\u51fd\u6570\u8fd0\u7b97，\u56e0\u6b64\u6c42\u89e3\u65f6\u6bd4\u8f83\u8d39\u65f6\u3002<\/span>3. <\/span>\u56fe\u50cf\u4e0d\u7ecf\u8fc7\u539f\u70b9，\u4e0d\u5173\u4e8e\u539f\u70b9\u4e2d\u5fc3\u5bf9\u79f0，\u5f71\u54cd\u4e86\u68af\u5ea6\u4e0b\u964d\u8fd0\u7b97\u3002<\/span><\/p>\n

（<\/span>2<\/span>）<\/span>ReLU <\/span>\u51fd\u6570<\/span><\/p>\n

ReLU <\/span>\u51fd\u6570\u56e0\u4e3a\u5176\u7b80\u5355\u9ad8\u6548，\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc\u4e2d，\u80fd\u591f\u6709\u6548\u7f13\u89e3\u68af\u5ea6\u6d88<\/span> \u5931\u95ee\u9898\u3002<\/span>ReLU <\/span>\u51fd\u6570\u7684\u6570\u5b66\u8868\u8fbe\u5f0f\u5982\u5f0f：<\/span><\/p>\n

ReLU(x) = max (0, x)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/p>\n

ReLU <\/span>\u51fd\u6570\u7684\u8ba1\u7b97\u76f8\u5bf9\u7b80\u5355，\u53ea\u9700\u8f93\u5165\u503c\u548c<\/span> 0 <\/span>\u7684\u8f83\u5927\u503c\u3002\u4f7f\u5f97\u5176\u8ba1\u7b97\u6548\u7387\u9ad8，<\/span> \u9002\u5408<\/span> \u5728\u5927\u578b\u795e\u7ecf\u7f51\u7edc\u4e2d\u4f7f\u7528\u3002<\/span><\/p>\n

（<\/span>3<\/span>）<\/span>GELU <\/span>\u51fd\u6570<\/span><\/p>\n

\u9ad8\u65af\u8bef\u5dee\u7ebf\u6027\u5355\u5143，<\/span>GELU <\/span>\u51fd\u6570\u53c2\u8003\u4e86<\/span> dropout <\/span>\u673a\u5236\u548c<\/span> ReLU <\/span>\u51fd\u6570\u5c06\u4e0d\u91cd\u8981\u7684\u8f93\u5165<\/span> \u7f6e\u4e3a<\/span> 0\u00a0 <\/span>\u7684\u601d\u8def，<\/span>GELU <\/span>\u51fd\u6570\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u795e\u7ecf\u5143\u4e58\u4e0a\u4e00\u4e2a\u4f2f\u52aa\u5229\u5206\u5e03\u6982\u7387\u51b3\u5b9a\u5b83\u662f\u5426\u4fdd<\/span> \u7559\u3002<\/span><\/p>\n

\u5176\u4e2d，<\/span>x<\/span>\u4e3a\u8f93\u5165\u503c，<\/span>X<\/span>\u4e3a\u5177\u6709\u96f6\u5747\u503c\u548c\u5355\u4f4d\u65b9\u5dee\u7684\u9ad8\u65af\u968f\u673a\u53d8\u91cf，<\/span>P(X <= x)<\/span>\u4e3a<\/span>X<\/span>\u5c0f<\/span> \u4e8e\u6216\u7b49\u4e8e\u7ed9\u5b9a\u503c<\/span>x<\/span>\u7684\u6982\u7387\u3002<\/span>\u03bc<\/span>\u4e3a\u671f\u671b，<\/span>\u03c3<\/span>\u4e3a\u6807\u51c6\u5dee\u3002<\/span><\/p>\n

（<\/span>4<\/span>）<\/span>Leaky ReLU <\/span>\u51fd\u6570<\/span><\/p>\n

\u5e26\u6cc4\u9732\u7684\u7ebf\u6027\u6574\u6d41\u51fd\u6570\u3002\u5728\u8d1f\u6570\u533a\u57df\u5f15\u5165\u4e00\u4e2a\u659c\u7387<\/span>a<\/span>，\u907f\u514d\u4e86<\/span> ReLU <\/span>\u795e\u7ecf\u5143\u5728\u8d1f\u6570<\/span> \u533a\u57df\u5168\u90e8\u6b7b\u4ea1\u7684\u95ee\u9898，\u5373\u4f7f\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u8f93\u51fa\u503c\u4e3a\u8d1f，\u4ecd\u53ef\u5728\u53cd\u5411\u4f20\u64ad\u4e2d\u66f4\u65b0\u53c2\u6570，\u8ba1\u7b97<\/span> \u65b9\u5f0f\u4e3a：<\/span><\/p>\n

LeakyRelu <\/span>\"\"x\u00a0 ,,i<\/span>\"\"\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/p>\n

（<\/span>5<\/span>）<\/span>mish <\/span>\u51fd\u6570<\/span><\/p>\n

\u7531<\/span> Leaky Relu <\/span>\u51fd\u6570\u6539\u8fdb\u800c\u6765，\u4e0e<\/span> ReLU <\/span>\u51fd\u6570\u548c<\/span> Leaky ReLU <\/span>\u51fd\u6570\u4e00\u6837\u5728\u6b63\u533a\u95f4\u65e0<\/span> \u4e0a\u8fb9\u754c，\u56e0\u6b64\u907f\u514d\u4e86\u68af\u5ea6\u9971\u548c\u73b0\u8c61\u3002\u5bf9\u4e8e\u8d1f\u533a\u95f4\u5141\u8bb8\u8f83\u5c0f\u7684\u8d1f\u68af\u5ea6\u6d41\u5165，<\/span> \u5728\u7f13\u89e3\u4e86\u795e\u7ecf<\/span> \u5143\u6b7b\u4ea1\u95ee\u9898\u7684\u540c\u65f6，\u53ef\u4ee5\u4fdd\u7559\u8f83\u5c0f\u7684\u8d1f\u503c，\u800c<\/span> Leaky ReLU <\/span>\u505a\u4e0d\u5230\u8fd9\u4e00\u70b9\u3002<\/span>mish <\/span>\u51fd\u6570\u56fe<\/span> \u50cf\u662f\u4e00\u6761\u5e73\u6ed1\u7684\u66f2\u7ebf，\u5728\u51e0\u4e4e\u6240\u6709\u70b9\u4e0a\u90fd\u53ef\u5bfc，\u53ef\u4ee5\u5f97\u5230\u66f4\u597d\u7684\u51c6\u786e\u6027\u548c\u6cdb\u5316\u6027\u3002\u8ba1\u7b97<\/span><\/p>\n

\u65b9\u5f0f\u4e3a\u5f0f：<\/span><\/p>\n

mish(x) = x \u2217 tan\u210e(ln(1 + ex ))\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/p>\n

\u5728\u63a8\u8350\u9886\u57df\u4e2d，\u8f93\u5165\u7684\u63a8\u8350\u8bad\u7ec3\u6837\u672c\u53ef\u80fd\u4e3a\u8fde\u7eed\u7684\u5e8f\u5217\u4e14\u5e8f\u5217\u957f\u5ea6\u4f1a\u51fa\u73b0\u4e0d\u4e00\u81f4<\/span> \u73b0\u8c61，\u9762\u5bf9\u8fd9\u79cd\u95ee\u9898，<\/span>DNN <\/span>\u6a21\u578b\u548c<\/span>CNN <\/span>\u6a21\u578b\u5f88\u96be\u89e3\u51b3，\u800c<\/span> RNN <\/span>\u6a21\u578b\u56e0\u4e3a\u5e8f\u5217\u5f53\u524d\u7684<\/span> \u8f93\u51fa\u4e0d\u4ec5\u53d6\u51b3\u4e8e\u81ea\u8eab，\u4e5f\u548c\u524d\u9762\u7684\u8f93\u51fa\u76f8\u5173，\u5177\u6709\u77ed\u671f\u8bb0\u5fc6\u80fd\u529b，\u5728\u5e8f\u5217\u6570\u636e\u5904\u7406\u4e0a\u6709<\/span> \u975e\u5e38\u597d\u7684\u7ed3\u6784\u4f18\u52bf，\u53ef\u4ee5\u89e3\u51b3\u8be5\u7c7b\u8f93\u5165\u95ee\u9898\u3002<\/span>RNN <\/span>\u6a21\u578b\u540d\u5b57\u4e2d\u7684<\/span>\u201c<\/span>\u5faa\u73af<\/span>\u201d<\/span>\u4e5f\u53cd\u6620\u4e86\u5b83<\/span> \u7684\u5185\u90e8\u7ed3\u6784，\u795e\u7ecf\u5143\u4e4b\u95f4\u5b58\u5728\u5faa\u73af\u8fde\u63a5，\u8fd9\u79cd\u5faa\u73af\u8fde\u63a5\u4f7f\u5f97<\/span> RNN <\/span>\u53ef\u4ee5\u5728\u5904\u7406\u5e8f\u5217\u6570\u636e<\/span> \u65f6\u4fdd\u6301<\/span>\u201c<\/span>\u8bb0\u5fc6<\/span>\u201d<\/span>，\u5373\u4fdd\u5b58\u4e4b\u524d\u7684\u8f93\u5165\u4fe1\u606f\u3002\u5177\u4f53\u8868\u73b0\u4e3a，<\/span> RNN <\/span>\u6a21\u578b\u6539\u53d8\u4f20\u7edf\u795e\u7ecf\u7f51\u7edc<\/span> \u7684\u7f51\u7edc\u9690\u85cf\u5c42\u4e4b\u95f4\u7684\u8282\u70b9\u8fde\u63a5\u6a21\u5f0f，\u7a81\u7834\u65e0\u8fde\u63a5\u6a21\u5f0f，\u8f6c\u53d8\u4e3a\u6709\u8fde\u63a5，\u524d\u9762\u7684\u4fe1\u606f\u5c31\u4f1a<\/span> \u88ab\u5b66\u4e60\u5e76\u8bb0\u5fc6\u4e0b\u6765，\u800c\u4e14\u80fd\u591f\u5e94\u7528\u4e8e\u5f53\u524d\u8f93\u51fa\u7684\u8ba1\u7b97\u4e2d\u3002<\/span>RNN <\/span>\u6a21\u578b\u7ed3\u6784\u5982\u56fe<\/span> 2.1 <\/span>\u6240\u793a\u3002<\/span> \u5176\u4e2d<\/span> W <\/span>\u4ee3\u8868\u9690\u85cf\u5c42\u4e0a\u4e00\u65f6\u523b\u7684\u8f93\u51fa\u503c，\u4e5f\u4f5c\u4e3a\u672c\u6b21\u65f6\u523b\u8f93\u5165\u7684\u6743\u503c\u3002\u8f93\u5165\u5c42\u5230\u9690\u85cf\u5c42<\/span> \u7684\u6743\u91cd\u77e9\u9635\u7528<\/span> U <\/span>\u6765\u8868\u793a，\u9690\u85cf\u5c42\u5230\u8f93\u51fa\u5c42\u7684\u6743\u91cd\u77e9\u9635\u7528<\/span>V <\/span>\u6765\u8868\u793a\u3002<\/span><\/p>\n

\"\"<\/p>\n

\n

\u81ea<\/span> 2017 <\/span>\u5e74<\/span> Transformer <\/span>\u6a21\u578b\u88ab\u8c37\u6b4c\u9996\u6b21\u63d0\u51fa\u4ee5\u6765，\u5176\u5728\u63a8\u8350\u9886\u57df\u7684\u7814\u7a76\u70ed\u5ea6\u5c45\u9ad8<\/span> \u4e0d\u4e0b，\u8be5\u6a21\u578b\u80fd\u4ece\u5927\u91cf\u7684\u65e0\u6807\u6ce8\u6587\u672c\u6570\u636e\u4e2d\u5b66\u4e60，\u5c06\u6240\u5b66\u77e5\u8bc6\u8fc1\u79fb\u5230\u4e0b\u6e38\u4efb\u52a1，\u66f4\u52a0\u64c5<\/span> \u957f\u53e5\u6cd5\u7279\u5f81\u63d0\u53d6\u3001\u6355\u6349\u4e0d\u540c\u8303\u56f4\u4f9d\u8d56\u5173\u7cfb\u3001\u6355\u83b7\u4e0d\u540c\u957f\u5ea6\u8bed\u4e49\u5173\u8054\u3001\u591a\u7279\u5f81\u62bd\u53d6\u878d\u5408\u3002<\/span> \u4e00\u7ecf\u516c\u5f00\u5c31\u6210\u4e3a\u81ea\u7136\u8bed\u8a00\u5904\u7406\u4efb\u52a1\u9886\u57df\u7684\u96c6\u5927\u6210\u8005，\u4e3a<\/span> OpenAI <\/span>\u7684<\/span> GPT <\/span>\u548c<\/span>Google BERT <\/span>\u7b49\u6a21\u578b\u7684\u63d0\u51fa\u5960\u5b9a\u4e86\u57fa\u7840\u3002\u4e3a\u63a8\u8350\u9886\u57df\u7684\u8bed\u8a00\u6587\u672c\u7279\u5f81\u6316\u6398\u505a\u51fa\u5f88\u5927\u8d21\u732e\u3002<\/span><\/p>\n

\"\"<\/p>\n

3.4<\/span>\u672c\u7ae0\u5c0f\u7ed3<\/span><\/p>\n

\u672c\u7ae0\u9996\u5148\u5bf9\u7cfb\u7edf\u5f00\u53d1\u7684\u53ef\u884c\u6027\u8fdb\u884c\u4e86\u5206\u6790，\u7136\u540e\u5bf9\u7cfb\u7edf\u7684\u975e\u529f\u80fd\u6027\u9700\u6c42\u8fdb\u884c\u4e86\u5206\u6790，\u5e76\u5bf9\u7cfb\u7edf\u5f00\u53d1\u7684\u6574\u4f53\u6d41\u7a0b\u4ee5\u53ca\u4e3b\u8981\u6d41\u7a0b\u64cd\u4f5c\u8fdb\u884c\u4e86\u4ecb\u7ecd\u3002<\/span><\/p>\n

\n

\u00a0 <\/p>\n

\n

<\/h2>\n

4 <\/span><\/span>\u7cfb\u7edf\u8bbe\u8ba1<\/span><\/span><\/h2>\n

\u7cfb\u7edf\u8bbe\u8ba1\u662f\u7cfb\u7edf\u5f00\u53d1\u4e4b\u524d\u9700\u8981\u505a\u7684\u603b\u4f53\u8bbe\u8ba1，\u8fd9\u91cc\u4e3b\u8981\u4ece\u7cfb\u7edf\u7684\u67b6\u6784\u8bbe\u8ba1，\u540e\u53f0\u7684\u5305\u62ec\u67b6\u6784\u8bbe\u8ba1\u4ee5\u53ca\u524d\u53f0\u9875\u9762\u7ed3\u6784\u8bbe\u8ba1，\u6a21\u5757\u8bbe\u8ba1\u7b49\u8fdb\u884c\u9610\u8ff0.<\/p>\n

4.1 \u6784\u5efa\u6570\u636e\u96c6<\/p>\n

\u6570\u636e\u96c6\u81f3\u5173\u91cd\u8981\u3002\u672c\u6570\u636e\u96c6\u4e3b\u8981\u6765\u6e90\u4e8e\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7684\u7535\u5b50\u5546\u52a1\u6570\u636e\u5e93，\u540c\u65f6\u6574\u5408\u4e86\u90e8\u5206\u5916\u90e8\u516c\u5f00\u7684\u4e2d\u8349\u836f\u4fe1\u606f\u8d44\u6e90\u3002<\/p>\n

\u7528\u6237\u884c\u4e3a\u6570\u636e：\u4ece\u5e73\u53f0\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u7528\u6237\u7684\u5386\u53f2\u8d2d\u4e70\u8bb0\u5f55\u3001\u6d4f\u89c8\u8bb0\u5f55\u4ee5\u53ca\u6536\u85cf\u8bb0\u5f55\u7b49\u3002\u8fd9\u4e9b\u6570\u636e\u53cd\u6620\u4e86\u7528\u6237\u5bf9\u4e0d\u540c\u4e2d\u8349\u836f\u5546\u54c1\u7684\u5174\u8da3\u548c\u4ea4\u4e92\u884c\u4e3a\u3002\u4f8b\u5982，\u8bb0\u5f55\u7528\u6237 A \u5728 2024 \u5e74 10 \u6708 5 \u65e5\u8d2d\u4e70\u4e86\u67b8\u675e 500 \u514b，\u5728 2024 \u5e74 10 \u6708 8 \u65e5\u6d4f\u89c8\u4e86\u4eba\u53c2\u4ea7\u54c1\u9875\u9762\u7b49\u3002\u901a\u8fc7\u8be6\u7ec6\u8bb0\u5f55\u7528\u6237\u884c\u4e3a\u7684\u65f6\u95f4\u6233\u3001\u64cd\u4f5c\u7c7b\u578b\u4ee5\u53ca\u6d89\u53ca\u7684\u5546\u54c1 ID，\u4e3a\u540e\u7eed\u5206\u6790\u7528\u6237\u884c\u4e3a\u6a21\u5f0f\u63d0\u4f9b\u4e30\u5bcc\u4fe1\u606f\u3002<\/p>\n

\u4e2d\u8349\u836f\u4ea7\u54c1\u6570\u636e：\u6536\u96c6\u5e73\u53f0\u4e0a\u5404\u7c7b\u4e2d\u8349\u836f\u4ea7\u54c1\u7684\u8be6\u7ec6\u4fe1\u606f，\u5305\u62ec\u4ea7\u54c1\u540d\u79f0\u3001\u529f\u6548\u4e3b\u6cbb\u3001\u4ea7\u5730\u3001\u89c4\u683c\u3001\u4ef7\u683c\u7b49\u3002\u5bf9\u4e8e\u529f\u6548\u4e3b\u6cbb，\u8fdb\u884c\u6807\u51c6\u5316\u5206\u7c7b，\u5982\u5206\u4e3a\u6e05\u70ed\u89e3\u6bd2\u3001\u8865\u6c14\u517b\u8840\u3001\u6d3b\u8840\u5316\u7600\u7b49\u7c7b\u522b\u3002\u540c\u65f6，\u4ece\u5916\u90e8\u6743\u5a01\u7684\u4e2d\u8349\u836f\u6570\u636e\u5e93\u6216\u4e13\u4e1a\u6587\u732e\u4e2d\u83b7\u53d6\u8865\u5145\u4fe1\u606f，\u786e\u4fdd\u4ea7\u54c1\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\u3002\u4f8b\u5982，\u5bf9\u4e8e\u9ec4\u82aa\u8fd9\u5473\u4e2d\u8349\u836f，\u660e\u786e\u5176\u4ea7\u5730\u6709\u5185\u8499\u53e4\u3001\u5c71\u897f\u7b49\u5730，\u4e3b\u8981\u529f\u6548\u4e3a\u8865\u6c14\u5347\u9633\u3001\u56fa\u8868\u6b62\u6c57\u7b49\u3002<\/p>\n

\u6570\u636e\u5904\u7406：\u6570\u636e\u6e05\u6d17：\u5bf9\u91c7\u96c6\u5230\u7684\u539f\u59cb\u6570\u636e\u8fdb\u884c\u6e05\u6d17，\u53bb\u9664\u566a\u58f0\u6570\u636e\u548c\u5f02\u5e38\u503c\u3002\u4f8b\u5982，\u5728\u7528\u6237\u8d2d\u4e70\u8bb0\u5f55\u4e2d，\u82e5\u53d1\u73b0\u67d0\u6761\u8bb0\u5f55\u7684\u8d2d\u4e70\u6570\u91cf\u4e3a\u8d1f\u6570\u6216\u8005\u4ef7\u683c\u5f02\u5e38\u9ad8，\u9700\u8fdb\u884c\u6838\u5b9e\u5e76\u4fee\u6b63\u6216\u5220\u9664\u3002\u5bf9\u4e8e\u4ea7\u54c1\u6570\u636e，\u68c0\u67e5\u662f\u5426\u5b58\u5728\u91cd\u590d\u8bb0\u5f55\u3001\u4fe1\u606f\u7f3a\u5931\u7b49\u95ee\u9898，\u82e5\u6709\u5219\u8fdb\u884c\u76f8\u5e94\u5904\u7406\u3002<\/p>\n

\u6570\u636e\u6807\u51c6\u5316：\u5c06\u4e0d\u540c\u5355\u4f4d\u6216\u91cf\u7ea7\u7684\u6570\u636e\u8fdb\u884c\u6807\u51c6\u5316\u5904\u7406\u3002\u5bf9\u4e8e\u4ef7\u683c\u6570\u636e，\u91c7\u7528\u5f52\u4e00\u5316\u65b9\u6cd5，\u5c06\u4ef7\u683c\u8303\u56f4\u7edf\u4e00\u5230 [0, 1] \u533a\u95f4，\u65b9\u4fbf\u540e\u7eed\u6a21\u578b\u8bad\u7ec3\u3002\u5bf9\u4e8e\u4ea7\u5730\u3001\u529f\u6548\u7b49\u7c7b\u522b\u6570\u636e，\u91c7\u7528\u72ec\u70ed\u7f16\u7801（One – Hot Encoding）\u65b9\u5f0f，\u5c06\u5176\u8f6c\u6362\u4e3a\u8ba1\u7b97\u673a\u80fd\u591f\u7406\u89e3\u7684\u6570\u5b57\u5f62\u5f0f\u3002<\/p>\n

\u7ecf\u8fc7\u5904\u7406\u540e，\u6570\u636e\u96c6\u4e3b\u8981\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206，\u4ee5\u8868\u683c\u5f62\u5f0f\u5c55\u793a\u5982\u4e0b：<\/p>\n\n\n\n\n\n\n
\n

\u6570\u636e\u7c7b\u522b<\/p>\n<\/td>\n

\n

\u5177\u4f53\u5b57\u6bb5<\/p>\n<\/td>\n<\/tr>\n

\n

\u7528\u6237\u4fe1\u606f<\/p>\n<\/td>\n

\n

\u7528\u6237 ID\u3001\u6ce8\u518c\u65f6\u95f4\u3001\u6027\u522b\u3001\u5e74\u9f84\u3001\u5730\u533a\u7b49<\/p>\n<\/td>\n<\/tr>\n

\n

\u7528\u6237\u884c\u4e3a<\/p>\n<\/td>\n

\n

\u7528\u6237 ID\u3001\u5546\u54c1 ID\u3001\u884c\u4e3a\u7c7b\u578b（\u8d2d\u4e70\u3001\u6d4f\u89c8\u3001\u6536\u85cf）\u3001\u884c\u4e3a\u65f6\u95f4\u6233<\/p>\n<\/td>\n<\/tr>\n

\n

\u4e2d\u8349\u836f\u4ea7\u54c1<\/p>\n<\/td>\n

\n

\u5546\u54c1 ID\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u529f\u6548\u4e3b\u6cbb（\u7f16\u7801\u5f62\u5f0f）\u3001\u4ea7\u5730（\u7f16\u7801\u5f62\u5f0f）\u3001\u89c4\u683c\u3001\u4ef7\u683c（\u5f52\u4e00\u5316\u540e）<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u901a\u8fc7\u8fd9\u6837\u6784\u5efa\u7684\u6570\u636e\u96c6，\u80fd\u591f\u4e3a NCF \u6a21\u578b\u8bad\u7ec3\u63d0\u4f9b\u4e30\u5bcc\u3001\u51c6\u786e\u4e14\u683c\u5f0f\u7edf\u4e00\u7684\u6570\u636e\u3002\u7528\u6237\u4fe1\u606f\u548c\u884c\u4e3a\u6570\u636e\u76f8\u7ed3\u5408，\u6709\u52a9\u4e8e\u6a21\u578b\u5b66\u4e60\u7528\u6237\u7684\u504f\u597d\u548c\u884c\u4e3a\u6a21\u5f0f；\u800c\u8be6\u7ec6\u7684\u4e2d\u8349\u836f\u4ea7\u54c1\u6570\u636e，\u5219\u8ba9\u6a21\u578b\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u5546\u54c1\u7279\u5f81，\u4ece\u800c\u5b9e\u73b0\u66f4\u7cbe\u51c6\u7684\u7528\u6237\u4e0e\u5546\u54c1\u4ea4\u4e92\u884c\u4e3a\u9884\u6d4b，\u4e3a\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7684\u4e2a\u6027\u5316\u63a8\u8350\u670d\u52a1\u5960\u5b9a\u575a\u5b9e\u7684\u6570\u636e\u57fa\u7840\u3002<\/p>\n

4.2 \u6a21\u578b\u6784\u5efa<\/p>\n

\u5728\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7cfb\u7edf\u4e2d，\u4e3a\u5b9e\u73b0\u7cbe\u51c6\u7684\u7528\u6237\u4e0e\u5546\u54c1\u4ea4\u4e92\u884c\u4e3a\u9884\u6d4b，\u91c7\u7528\u795e\u7ecf\u534f\u540c\u8fc7\u6ee4（NCF）\u6a21\u578b\u8fdb\u884c\u6784\u5efa\u3002NCF \u6a21\u578b\u51ed\u501f\u5176\u5f3a\u5927\u7684\u975e\u7ebf\u6027\u5b66\u4e60\u80fd\u529b，\u80fd\u591f\u6709\u6548\u6316\u6398\u7528\u6237\u4e0e\u4e2d\u8349\u836f\u5546\u54c1\u4e4b\u95f4\u590d\u6742\u7684\u6f5c\u5728\u5173\u7cfb\u3002<\/p>\n

（1）\u6a21\u578b\u67b6\u6784\u8bbe\u8ba1<\/p>\n

NCF \u6a21\u578b\u4e3b\u8981\u5305\u542b\u5d4c\u5165\u5c42\u3001\u591a\u5c42\u795e\u7ecf\u7f51\u7edc\u5c42\u548c\u8f93\u51fa\u5c42\u3002<\/p>\n

\u5d4c\u5165\u5c42：\u5c06\u7528\u6237 ID \u548c\u5546\u54c1 ID \u5206\u522b\u6620\u5c04\u5230\u4f4e\u7ef4\u7a20\u5bc6\u5411\u91cf\u7a7a\u95f4\u3002\u7528\u6237\u5d4c\u5165\u5411\u91cf\u548c\u5546\u54c1\u5d4c\u5165\u5411\u91cf\u627f\u8f7d\u4e86\u7528\u6237\u548c\u5546\u54c1\u7684\u7279\u5f81\u4fe1\u606f，\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u5c06\u9ad8\u7ef4\u7a00\u758f\u7684\u7528\u6237 – \u5546\u54c1\u4ea4\u4e92\u77e9\u9635\u8f6c\u6362\u4e3a\u4f4e\u7ef4\u8fde\u7eed\u7684\u5411\u91cf\u8868\u793a\u3002\u4f8b\u5982，\u5bf9\u4e8e\u4e00\u4e2a\u62e5\u6709 10000 \u4e2a\u7528\u6237\u548c 5000 \u79cd\u4e2d\u8349\u836f\u5546\u54c1\u7684\u5e73\u53f0，\u7528\u6237 ID \u548c\u5546\u54c1 ID \u5728\u7ecf\u8fc7\u5d4c\u5165\u5c42\u5904\u7406\u540e，\u53ef\u5206\u522b\u6620\u5c04\u4e3a\u957f\u5ea6\u4e3a 64 \u6216 128 \u7684\u5411\u91cf，\u6781\u5927\u5730\u964d\u4f4e\u4e86\u6570\u636e\u7ef4\u5ea6，\u540c\u65f6\u4fdd\u7559\u4e86\u5173\u952e\u7279\u5f81\u3002<\/p>\n

\u591a\u5c42\u795e\u7ecf\u7f51\u7edc\u5c42：\u8fd9\u662f\u6a21\u578b\u7684\u6838\u5fc3\u90e8\u5206，\u7531\u591a\u4e2a\u5168\u8fde\u63a5\u9690\u85cf\u5c42\u7ec4\u6210\u3002\u5c06\u7528\u6237\u5d4c\u5165\u5411\u91cf\u548c\u5546\u54c1\u5d4c\u5165\u5411\u91cf\u8fdb\u884c\u62fc\u63a5\u540e，\u8f93\u5165\u5230\u591a\u5c42\u795e\u7ecf\u7f51\u7edc\u4e2d\u3002\u901a\u8fc7\u975e\u7ebf\u6027\u6fc0\u6d3b\u51fd\u6570（\u5982 ReLU）\u5bf9\u8f93\u5165\u6570\u636e\u8fdb\u884c\u53d8\u6362，\u4f7f\u5f97\u6a21\u578b\u80fd\u591f\u5b66\u4e60\u5230\u7528\u6237\u4e0e\u5546\u54c1\u4e4b\u95f4\u590d\u6742\u7684\u975e\u7ebf\u6027\u5173\u7cfb\u3002\u6bcf\u4e00\u5c42\u9690\u85cf\u5c42\u90fd\u4e0d\u65ad\u63d0\u53d6\u548c\u7ec4\u5408\u7279\u5f81，\u968f\u7740\u7f51\u7edc\u5c42\u6570\u7684\u589e\u52a0，\u6a21\u578b\u5bf9\u6570\u636e\u7684\u7406\u89e3\u548c\u7279\u5f81\u63d0\u53d6\u80fd\u529b\u9010\u6e10\u589e\u5f3a\u3002\u4f8b\u5982，\u8bbe\u7f6e 3 – 5 \u4e2a\u9690\u85cf\u5c42，\u6bcf\u5c42\u795e\u7ecf\u5143\u6570\u91cf\u53ef\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574，\u5982 256\u3001128\u300164 \u7b49，\u4ee5\u5e73\u8861\u6a21\u578b\u7684\u590d\u6742\u5ea6\u548c\u8ba1\u7b97\u6210\u672c\u3002<\/p>\n

\u8f93\u51fa\u5c42：\u7ecf\u8fc7\u591a\u5c42\u795e\u7ecf\u7f51\u7edc\u5904\u7406\u540e，\u6700\u540e\u901a\u8fc7\u4e00\u4e2a\u5168\u8fde\u63a5\u5c42\u8f93\u51fa\u7528\u6237\u5bf9\u5546\u54c1\u7684\u9884\u6d4b\u8bc4\u5206\u3002\u9884\u6d4b\u8bc4\u5206\u8303\u56f4\u901a\u5e38\u5728 0 – 1 \u4e4b\u95f4，\u6570\u503c\u8d8a\u63a5\u8fd1 1，\u8868\u793a\u7528\u6237\u5bf9\u8be5\u5546\u54c1\u7684\u5174\u8da3\u5ea6\u8d8a\u9ad8\u3002<\/p>\n

（2）\u6a21\u578b\u53c2\u6570\u8bbe\u7f6e<\/p>\n

\u5b66\u4e60\u7387：\u5b66\u4e60\u7387\u51b3\u5b9a\u4e86\u6a21\u578b\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u53c2\u6570\u66f4\u65b0\u7684\u6b65\u957f\u3002\u8bbe\u7f6e\u5408\u7406\u7684\u5b66\u4e60\u7387\u81f3\u5173\u91cd\u8981，\u8fc7\u5927\u7684\u5b66\u4e60\u7387\u53ef\u80fd\u5bfc\u81f4\u6a21\u578b\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u8df3\u8fc7\u6700\u4f18\u89e3，\u65e0\u6cd5\u6536\u655b；\u8fc7\u5c0f\u7684\u5b66\u4e60\u7387\u5219\u4f1a\u4f7f\u8bad\u7ec3\u8fc7\u7a0b\u53d8\u5f97\u7f13\u6162，\u8017\u8d39\u5927\u91cf\u65f6\u95f4\u3002\u5728\u672c\u6a21\u578b\u4e2d，\u901a\u8fc7\u5b9e\u9a8c\u5bf9\u6bd4，\u5c06\u5b66\u4e60\u7387\u521d\u59cb\u503c\u8bbe\u7f6e\u4e3a 0.001，\u5e76\u91c7\u7528\u5b66\u4e60\u7387\u8870\u51cf\u7b56\u7565，\u968f\u7740\u8bad\u7ec3\u8f6e\u6570\u7684\u589e\u52a0\u9010\u6e10\u51cf\u5c0f\u5b66\u4e60\u7387，\u4ee5\u63d0\u9ad8\u6a21\u578b\u7684\u6536\u655b\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n

\u6b63\u5219\u5316\u53c2\u6570：\u4e3a\u9632\u6b62\u6a21\u578b\u8fc7\u62df\u5408，\u91c7\u7528 L2 \u6b63\u5219\u5316\u65b9\u6cd5\u3002\u5728\u635f\u5931\u51fd\u6570\u4e2d\u52a0\u5165\u6b63\u5219\u5316\u9879，\u60e9\u7f5a\u6a21\u578b\u7684\u590d\u6742\u5ea6\u3002\u6b63\u5219\u5316\u53c2\u6570\u63a7\u5236\u7740\u6b63\u5219\u5316\u9879\u7684\u6743\u91cd，\u7ecf\u8fc7\u591a\u6b21\u5b9e\u9a8c\u8c03\u8bd5，\u5c06\u5176\u8bbe\u7f6e\u4e3a 0.0001，\u4ee5\u5e73\u8861\u6a21\u578b\u7684\u62df\u5408\u80fd\u529b\u548c\u6cdb\u5316\u80fd\u529b\u3002<\/p>\n

（4）\u6a21\u578b\u8bad\u7ec3\u8fc7\u7a0b<\/p>\n

\u6570\u636e\u5212\u5206：\u5c06\u6784\u5efa\u597d\u7684\u6570\u636e\u96c6\u6309\u7167\u4e00\u5b9a\u6bd4\u4f8b\u5212\u5206\u4e3a\u8bad\u7ec3\u96c6\u3001\u9a8c\u8bc1\u96c6\u548c\u6d4b\u8bd5\u96c6\u3002\u901a\u5e38，\u8bad\u7ec3\u96c6\u5360\u6bd4 70%，\u7528\u4e8e\u6a21\u578b\u53c2\u6570\u7684\u66f4\u65b0\u548c\u8bad\u7ec3；\u9a8c\u8bc1\u96c6\u5360\u6bd4 15%，\u7528\u4e8e\u8c03\u6574\u6a21\u578b\u8d85\u53c2\u6570，\u9632\u6b62\u8fc7\u62df\u5408；\u6d4b\u8bd5\u96c6\u5360\u6bd4 15%，\u7528\u4e8e\u8bc4\u4f30\u6a21\u578b\u7684\u6700\u7ec8\u6027\u80fd\u3002<\/p>\n

\u635f\u5931\u51fd\u6570\u4e0e\u4f18\u5316\u5668\u9009\u62e9：\u91c7\u7528\u5747\u65b9\u8bef\u5dee（MSE）\u4f5c\u4e3a\u635f\u5931\u51fd\u6570，\u8861\u91cf\u6a21\u578b\u9884\u6d4b\u8bc4\u5206\u4e0e\u771f\u5b9e\u7528\u6237\u8bc4\u5206\u4e4b\u95f4\u7684\u5dee\u5f02\u3002\u4f18\u5316\u5668\u9009\u62e9 Adam \u4f18\u5316\u5668，\u5176\u5177\u6709\u81ea\u9002\u5e94\u8c03\u6574\u5b66\u4e60\u7387\u7684\u7279\u6027，\u80fd\u591f\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u5feb\u901f\u6536\u655b\u5230\u8f83\u4f18\u89e3\u3002<\/p>\n

\u8bad\u7ec3\u5faa\u73af：\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d，\u5c06\u8bad\u7ec3\u96c6\u6570\u636e\u6309\u6279\u6b21\u8f93\u5165\u5230\u6a21\u578b\u4e2d，\u6bcf\u4e00\u6279\u6b21\u5305\u542b\u4e00\u5b9a\u6570\u91cf\u7684\u7528\u6237 – \u5546\u54c1\u5bf9\u3002\u6a21\u578b\u6839\u636e\u8f93\u5165\u6570\u636e\u8ba1\u7b97\u9884\u6d4b\u8bc4\u5206，\u5e76\u4e0e\u771f\u5b9e\u8bc4\u5206\u8ba1\u7b97\u635f\u5931\u503c\u3002\u901a\u8fc7\u53cd\u5411\u4f20\u64ad\u7b97\u6cd5\u8ba1\u7b97\u68af\u5ea6，\u66f4\u65b0\u6a21\u578b\u53c2\u6570\u3002\u4e0d\u65ad\u91cd\u590d\u8fd9\u4e2a\u8fc7\u7a0b，\u76f4\u5230\u6a21\u578b\u5728\u9a8c\u8bc1\u96c6\u4e0a\u7684\u6027\u80fd\u4e0d\u518d\u63d0\u5347\u6216\u8005\u8fbe\u5230\u9884\u8bbe\u7684\u8bad\u7ec3\u8f6e\u6570\u3002\u7ecf\u8fc7\u591a\u8f6e\u8bad\u7ec3，\u6a21\u578b\u9010\u6e10\u5b66\u4e60\u5230\u7528\u6237\u4e0e\u4e2d\u8349\u836f\u5546\u54c1\u4e4b\u95f4\u7684\u4ea4\u4e92\u6a21\u5f0f，\u4e3a\u7cbe\u51c6\u63a8\u8350\u63d0\u4f9b\u6709\u529b\u652f\u6301\u3002<\/p>\n

\n

4.3 \u7b97\u6cd5\u6d41\u7a0b<\/p>\n

4.3.1 <\/span>\u6570\u636e\u5e93\u8fde\u63a5\u4e0e\u6570\u636e\u63d0\u53d6<\/span><\/p>\n

（1）\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5<\/span><\/p>\n

\u4e3a\u4e86\u4ece MySQL \u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6570\u636e，\u9996\u5148\u9700\u8981\u5efa\u7acb\u7a33\u5b9a\u7684\u8fde\u63a5\u3002\u501f\u52a9mysql.connector\u5e93，\u901a\u8fc7\u4ee5\u4e0b\u914d\u7f6e\u5b9e\u73b0\u4e0e MySQL \u6570\u636e\u5e93\u7684\u8fde\u63a5：\u4e3b\u673a\u8bbe\u7f6e\u4e3alocalhost，\u7528\u6237\u540d\u662froot，\u5bc6\u7801\u4e3a123，\u6570\u636e\u5e93\u540d\u6307\u5b9a\u4e3anewbee_mall_db，\u540c\u65f6\u542f\u7528\u8b66\u544a\u63d0\u793a\u4ee5\u83b7\u53d6\u66f4\u591a\u8fd0\u884c\u4fe1\u606f\u3002\u5728 Python \u4ee3\u7801\u4e2d，\u5b9a\u4e49connect_to_database()\u51fd\u6570，\u8be5\u51fd\u6570\u5229\u7528mysql.connector.connect()\u65b9\u6cd5\u5efa\u7acb\u8fde\u63a5，\u5e76\u8fd4\u56de\u8fde\u63a5\u5bf9\u8c61\u3002\u82e5\u8fde\u63a5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u5f02\u5e38，\u51fd\u6570\u5c06\u6253\u5370\u9519\u8bef\u4fe1\u606f\u5e76\u8fd4\u56deNone，\u4ee5\u6b64\u786e\u4fdd\u8fde\u63a5\u8fc7\u7a0b\u7684\u53ef\u9760\u6027\u548c\u53ef\u8ffd\u6eaf\u6027\u3002<\/span><\/p>\n

\n\n\n\n
\n

import mysql.connector<\/span><\/p>\n

def connect_to_database():<\/span><\/p>\n

\u00a0\u00a0\u00a0 try:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 connection = mysql.connector.connect(<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 host='localhost',<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 user='root',<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 password='123',<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 database='newbee_mall_db',<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 allow_local_infile=True,<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 raise_on_warnings=True<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 )<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return connection<\/span><\/p>\n

\u00a0\u00a0\u00a0 except mysql.connector.Error as err:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 print(f"<\/span>\u8fde\u63a5\u9519\u8bef: {err}")<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return None<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

（2）\u6570\u636e\u67e5\u8be2<\/span><\/p>\n

\u4ece\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u4e24\u7c7b\u5173\u952e\u6570\u636e：\u4ea4\u4e92\u6570\u636e（\u4e3b\u8981\u662f\u8ba2\u5355\u6570\u636e）\u548c\u5546\u54c1\u6570\u636e\u3002<\/span><\/p>\n

\u4ea4\u4e92\u6570\u636e（\u8ba2\u5355\u6570\u636e）：\u4f7f\u7528\u7cbe\u5fc3\u6784\u5efa\u7684 SQL \u67e5\u8be2\u8bed\u53e5，\u4ece\u591a\u4e2a\u5173\u8054\u8868\u4e2d\u63d0\u53d6\u7528\u6237 ID\u3001\u5546\u54c1 ID\u3001\u5546\u54c1\u7c7b\u522b ID \u4ee5\u53ca\u8d2d\u4e70\u6570\u91cf\u3002\u67e5\u8be2\u8bed\u53e5\u5982\u4e0b：<\/span><\/p>\n

\n\n\n\n
\n

SELECT <\/span><\/p>\n

\u00a0\u00a0\u00a0 a.user_id, b.goods_id, c.goods_category_id, b.goods_count<\/span><\/p>\n

FROM tb_newbee_mall_order a<\/span><\/p>\n

JOIN tb_newbee_mall_order_item b ON a.order_id = b.order_id<\/span><\/p>\n

JOIN tb_newbee_mall_goods_info c ON b.goods_id = c.goods_id<\/span><\/p>\n

JOIN tb_newbee_mall_goods_category d ON c.goods_category_id = d.category_id<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u901a\u8fc7\u8fd9\u6761\u67e5\u8be2，\u80fd\u591f\u5c06\u8ba2\u5355\u4fe1\u606f\u4e0e\u5546\u54c1\u8be6\u7ec6\u4fe1\u606f\u53ca\u5546\u54c1\u7c7b\u522b\u4fe1\u606f\u5173\u8054\u8d77\u6765，\u4e3a\u540e\u7eed\u5206\u6790\u7528\u6237\u4e0e\u5546\u54c1\u7684\u4ea4\u4e92\u884c\u4e3a\u63d0\u4f9b\u5168\u9762\u7684\u6570\u636e\u652f\u6301\u3002<\/span><\/p>\n

2. <\/span>\u5546\u54c1\u6570\u636e：\u901a\u8fc7\u53e6\u4e00\u6761 SQL \u67e5\u8be2，\u4ecetb_newbee_mall_goods_info\u8868\u4e2d\u63d0\u53d6\u5546\u54c1 ID \u548c\u5546\u54c1\u7c7b\u522b ID\u3002\u67e5\u8be2\u8bed\u53e5\u4e3a：<\/span><\/p>\n

\n\n\n\n
\n

SELECT goods_id, goods_category_id FROM tb_newbee_mall_goods_info<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5b9a\u4e49fetch_data_to_dataframe()\u51fd\u6570，\u8be5\u51fd\u6570\u6267\u884c\u4e0a\u8ff0\u67e5\u8be2，\u5e76\u4f7f\u7528pandas\u5e93\u5c06\u67e5\u8be2\u7ed3\u679c\u8f6c\u6362\u4e3aDataFrame\u683c\u5f0f\u3002\u82e5\u67e5\u8be2\u6210\u529f，\u51fd\u6570\u5c06\u6253\u5370\u63d0\u793a\u4fe1\u606f；\u82e5\u5931\u8d25，\u5219\u8fd4\u56deNone\u3002<\/span><\/p>\n

\n\n\n\n
\n

import pandas as pd<\/span><\/p>\n

def fetch_data_to_dataframe(query):<\/span><\/p>\n

\u00a0\u00a0\u00a0 connection = connect_to_database()<\/span><\/p>\n

\u00a0\u00a0\u00a0 if connection:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 try:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 df = pd.read_sql(query, connection)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 print("<\/span>\u6570\u636e\u67e5\u8be2\u6210\u529f")<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return df<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 except Exception as e:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 print(f"<\/span>\u6570\u636e\u67e5\u8be2\u5931\u8d25: {e}")<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return None<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 finally:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 connection.close()<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

（3）\u5173\u95ed\u8fde\u63a5<\/span><\/p>\n

\u5728\u5b8c\u6210\u6570\u636e\u63d0\u53d6\u540e，\u53ca\u65f6\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\u81f3\u5173\u91cd\u8981，\u8fd9\u6709\u52a9\u4e8e\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90，\u63d0\u9ad8\u7a0b\u5e8f\u8fd0\u884c\u6548\u7387\u3002\u5728fetch_data_to_dataframe()\u51fd\u6570\u4e2d，\u4f7f\u7528connection.close()\u65b9\u6cd5\u5173\u95ed\u8fde\u63a5，\u786e\u4fdd\u8d44\u6e90\u5f97\u5230\u5408\u7406\u7ba1\u7406\u3002<\/span><\/p>\n

4.3.2<\/span>\u6570\u636e\u9884\u5904\u7406<\/span><\/p>\n

（1）\u7f16\u7801\u79bb\u6563\u7279\u5f81<\/span><\/p>\n

\u4e3a\u4e86\u4f7f\u6570\u636e\u9002\u7528\u4e8e\u795e\u7ecf\u7f51\u7edc\u6a21\u578b，\u9700\u8981\u5bf9\u79bb\u6563\u7279\u5f81\u8fdb\u884c\u7f16\u7801\u3002\u501f\u52a9sklearn.preprocessing.LabelEncoder，\u5c06\u5206\u7c7b\u6570\u636e\u8f6c\u6362\u4e3a\u6574\u6570\u7d22\u5f15\u3002\u5206\u522b\u5bf9\u7528\u6237 ID\u3001\u5546\u54c1 ID \u548c\u5546\u54c1\u7c7b\u522b ID \u8fdb\u884c\u7f16\u7801，\u751f\u6210user_idx\u3001goods_idx\u548ccategory_idx\u3002\u7f16\u7801\u8fc7\u7a0b\u9700\u786e\u4fdd\u4e00\u81f4\u6027，\u5373\u5206\u522b\u5728\u4ea4\u4e92\u6570\u636edata\u548c\u5b8c\u6574\u5546\u54c1\u6570\u636eall_goods\u4e0a\u8fdb\u884c\u64cd\u4f5c\u3002\u4f8b\u5982，\u5bf9\u4e8e\u7528\u6237 ID \u7684\u7f16\u7801：<\/span><\/p>\n

\n\n\n\n
\n

from sklearn.preprocessing import LabelEncoder<\/span><\/p>\n

user_encoder = LabelEncoder()<\/span><\/p>\n

data['user_idx'] = user_encoder.fit_transform(data['user_id'])<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

（2）\u83b7\u53d6\u552f\u4e00\u503c\u6570\u91cf<\/span><\/p>\n

\u8ba1\u7b97\u8bad\u7ec3\u6a21\u578b\u6240\u9700\u7684\u5173\u952e\u7ef4\u5ea6，\u5305\u62ec\u7528\u6237\u6570\u91cf\u3001\u5546\u54c1\u6570\u91cf\u548c\u7c7b\u522b\u6570\u91cf\u3002\u901a\u8fc7nunique()\u65b9\u6cd5\u7edf\u8ba1\u7f16\u7801\u540e\u6570\u636e\u5217\u4e2d\u7684\u552f\u4e00\u503c\u6570\u91cf，\u5177\u4f53\u8ba1\u7b97\u5982\u4e0b：<\/span><\/p>\n

\n\n\n\n
\n

n_users = data['user_idx'].nunique()<\/span><\/p>\n

n_goods = all_goods['goods_idx'].nunique()<\/span><\/p>\n

n_categories = all_goods['category_idx'].nunique()<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

（3）\u8f6c\u6362\u4e3a Tensor<\/span><\/p>\n

\u5c06\u5904\u7406\u597d\u7684\u6570\u636e\u8f6c\u6362\u4e3a PyTorch \u5f20\u91cf，\u4ee5\u4fbf\u8f93\u5165\u5230\u795e\u7ecf\u7f51\u7edc\u4e2d\u3002\u4f7f\u7528torch.tensor()\u65b9\u6cd5，\u5c06\u7528\u6237\u7d22\u5f15\u3001\u5546\u54c1\u7d22\u5f15\u3001\u7c7b\u522b\u7d22\u5f15\u548c\u8bc4\u5206（\u8d2d\u4e70\u6570\u91cf）\u5206\u522b\u8f6c\u6362\u4e3atorch.long\u548ctorch.float32\u7c7b\u578b\u7684\u5f20\u91cf\u3002\u4f8b\u5982：<\/span><\/p>\n

\n\n\n\n
\n

import torch<\/span><\/p>\n

users = torch.tensor(data['user_idx'].values, dtype=torch.long)<\/span><\/p>\n

goods = torch.tensor(data['goods_idx'].values, dtype=torch.long)<\/span><\/p>\n

categories = torch.tensor(data['category_idx'].values, dtype=torch.long)<\/span><\/p>\n

ratings = torch.tensor(data['goods_count'].values, dtype=torch.float32)<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4.3.3<\/span>\u6a21\u578b\u5b9a\u4e49<\/span><\/p>\n

（1） NCF \u6a21\u578b\u7ed3\u6784<\/span><\/p>\n

\u5b9a\u4e49\u540d\u4e3aNCF\u7684\u795e\u7ecf\u7f51\u7edc\u7c7b，\u7ee7\u627f\u81eann.Module\u3002\u6a21\u578b\u5305\u542b\u5d4c\u5165\u5c42\u548c\u5168\u8fde\u63a5\u5c42\u3002\u5d4c\u5165\u5c42\u5206\u522b\u5bf9\u7528\u6237\u3001\u5546\u54c1\u548c\u7c7b\u522b\u8fdb\u884c\u5d4c\u5165，\u9ed8\u8ba4\u5d4c\u5165\u7ef4\u5ea6\u4e3a16\u3002\u5168\u8fde\u63a5\u5c42\u7531\u4e09\u5c42\u7ebf\u6027\u5c42\u7ec4\u6210，\u8f93\u5165\u4e3a\u4e09\u4e2a\u5d4c\u5165\u5411\u91cf\u62fc\u63a5\u540e\u7684\u7ed3\u679c，\u901a\u8fc7ReLU\u6fc0\u6d3b\u51fd\u6570\u8fdb\u884c\u975e\u7ebf\u6027\u53d8\u6362，\u6700\u7ec8\u8f93\u51fa\u9884\u6d4b\u8bc4\u5206\u3002<\/span><\/p>\n

\n\n\n\n
\n

import torch.nn as nn<\/span><\/p>\n

class NCF(nn.Module):<\/span><\/p>\n

\u00a0\u00a0\u00a0 def __init__(self, n_users, n_goods, n_categories, embedding_dim=16):<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 super(NCF, self).__init__();<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 self.user_embedding = nn.Embedding(n_users, embedding_dim)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 self.goods_embedding = nn.Embedding(n_goods, embedding_dim)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 self.category_embedding = nn.Embedding(n_categories, embedding_dim)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 self.fc1 = nn.Linear(embedding_dim * 3, 64)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 self.fc2 = nn.Linear(64, 32)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 self.fc3 = nn.Linear(32, 1)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 self.relu = nn.ReLU()<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

（2） \u524d\u5411\u4f20\u64ad<\/span><\/p>\n

\u5728NCF\u7c7b\u4e2d\u5b9a\u4e49forward(user, goods, category)\u65b9\u6cd5，\u5b9e\u73b0\u524d\u5411\u4f20\u64ad\u8fc7\u7a0b\u3002\u65b9\u6cd5\u9996\u5148\u83b7\u53d6\u7528\u6237\u3001\u5546\u54c1\u548c\u7c7b\u522b\u7684\u5d4c\u5165\u5411\u91cf，\u7136\u540e\u5c06\u4e09\u4e2a\u5d4c\u5165\u5411\u91cf\u5728\u6700\u540e\u4e00\u4e2a\u7ef4\u5ea6\u4e0a\u62fc\u63a5，\u63a5\u7740\u901a\u8fc7\u5168\u8fde\u63a5\u5c42\u548cReLU\u6fc0\u6d3b\u51fd\u6570\u8fdb\u884c\u5904\u7406，\u6700\u7ec8\u8f93\u51fa\u5355\u4e00\u9884\u6d4b\u503c\u3002<\/span><\/p>\n

\n\n\n\n
\n

\u00a0\u00a0\u00a0 def forward(self, user, goods, category):<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 user_embed = self.user_embedding(user)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 goods_embed = self.goods_embedding(goods)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 category_embed = self.category_embedding(category)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x = torch.cat([user_embed, goods_embed, category_embed], dim=-1)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x = self.relu(self.fc1(x))<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x = self.relu(self.fc2(x))<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x = self.fc3(x)<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return x<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4.3.4<\/span>\u6a21\u578b\u8bad\u7ec3<\/span><\/p>\n

（1）\u521d\u59cb\u5316<\/span><\/p>\n

\u521d\u59cb\u5316\u6a21\u578b\u3001\u635f\u5931\u51fd\u6570\u548c\u4f18\u5316\u5668\u3002\u521b\u5efaNCF\u6a21\u578b\u5b9e\u4f8b，\u8bbe\u7f6e\u635f\u5931\u51fd\u6570\u4e3a\u5747\u65b9\u8bef\u5dee\u635f\u5931nn.MSELoss()，\u4f18\u5316\u5668\u9009\u62e9Adam\u4f18\u5316\u5668，\u5b66\u4e60\u7387\u8bbe\u7f6e\u4e3a0.001\u3002<\/span><\/p>\n

\n\n\n\n
\n

model = NCF(n_users, n_goods, n_categories, embedding_dim=16)<\/span><\/p>\n

criterion = nn.MSELoss()<\/span><\/p>\n

optimizer = torch.optim.Adam(model.parameters(), lr=0.001)<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

（2）\u8bad\u7ec3\u5faa\u73af<\/span><\/p>\n

\u8bbe\u7f6e\u8bad\u7ec3\u8f6e\u6570\u4e3a100，\u5728\u6bcf\u4e00\u8f6e\u8bad\u7ec3\u4e2d，\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c：\u8bbe\u7f6e\u6a21\u578b\u4e3a\u8bad\u7ec3\u6a21\u5f0f，\u6e05\u96f6\u68af\u5ea6，\u8fdb\u884c\u524d\u5411\u4f20\u64ad\u8ba1\u7b97\u9884\u6d4b\u503c，\u8ba1\u7b97\u635f\u5931，\u901a\u8fc7\u53cd\u5411\u4f20\u64ad\u66f4\u65b0\u53c2\u6570\u3002\u6bcf10\u8f6e\u6253\u5370\u4e00\u6b21\u635f\u5931\u503c，\u4ee5\u4fbf\u89c2\u5bdf\u6a21\u578b\u8bad\u7ec3\u8fc7\u7a0b\u3002<\/span><\/p>\n

\n\n\n\n
\n

n_epochs = 100<\/span><\/p>\n

for epoch in range(n_epochs):<\/span><\/p>\n

\u00a0\u00a0\u00a0 model.train()<\/span><\/p>\n

\u00a0\u00a0\u00a0 optimizer.zero_grad()<\/span><\/p>\n

\u00a0\u00a0\u00a0 predictions = model(users, goods, categories).squeeze()<\/span><\/p>\n

\u00a0\u00a0\u00a0 loss = criterion(predictions, ratings)<\/span><\/p>\n

\u00a0\u00a0\u00a0 loss.backward()<\/span><\/p>\n

\u00a0\u00a0\u00a0 optimizer.step()<\/span><\/p>\n

\u00a0\u00a0\u00a0 if (epoch + 1) % 10 == 0:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 print(f"Epoch {epoch + 1}\/{n_epochs}, Loss: {loss.item():.4f}")<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4.3.5 <\/span>\u6a21\u578b\u4e0e\u7f16\u7801\u5668\u4fdd\u5b58<\/span><\/p>\n

\u8bad\u7ec3\u5b8c\u6210\u540e，\u4fdd\u5b58\u6a21\u578b\u53c2\u6570\u548c\u7f16\u7801\u5668\u3002\u4f7f\u7528torch.save()\u65b9\u6cd5\u4fdd\u5b58\u6a21\u578b\u7684\u72b6\u6001\u5b57\u5178\u5230'ncf_model.pth'\u6587\u4ef6\u3002\u5bf9\u4e8e\u7f16\u7801\u5668，\u4f7f\u7528pickle\u5e93\u8fdb\u884c\u5e8f\u5217\u5316\u4fdd\u5b58，\u5206\u522b\u4fdd\u5b58\u7528\u6237\u7f16\u7801\u5668\u3001\u5546\u54c1\u7f16\u7801\u5668\u548c\u7c7b\u522b\u7f16\u7801\u5668\u5230'user_encoder.pkl'\u3001'goods_encoder.pkl'\u548c'category_encoder.pkl'\u6587\u4ef6，\u8fd9\u4e9b\u7f16\u7801\u5668\u5728\u540e\u7eed\u9884\u6d4b\u8fc7\u7a0b\u4e2d\u7528\u4e8e\u89e3\u7801\u6570\u636e\u3002<\/span><\/p>\n

\n\n\n\n
\n

import pickle<\/span><\/p>\n

torch.save(model.state_dict(), 'ncf_model.pth')<\/span><\/p>\n

with open('user_encoder.pkl', 'wb') as f:<\/span><\/p>\n

\u00a0\u00a0\u00a0 pickle.dump(user_encoder, f)<\/span><\/p>\n

with open('goods_encoder.pkl', 'wb') as f:<\/span><\/p>\n

\u00a0\u00a0\u00a0 pickle.dump(goods_encoder, f)<\/span><\/p>\n

with open('category_encoder.pkl', 'wb') as f:<\/span><\/p>\n

\u00a0\u00a0\u00a0 pickle.dump(category_encoder, f)<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u901a\u8fc7\u4e0a\u8ff0\u5b8c\u6574\u7684\u7b97\u6cd5\u6d41\u7a0b，\u4ece\u6570\u636e\u5e93\u8fde\u63a5\u3001\u6570\u636e\u63d0\u53d6\u4e0e\u9884\u5904\u7406，\u5230\u6a21\u578b\u6784\u5efa\u3001\u8bad\u7ec3\u4ee5\u53ca\u4fdd\u5b58，\u4e3a\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7684\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7cfb\u7edf\u7684\u5b9e\u73b0\u5960\u5b9a\u4e86\u575a\u5b9e\u7684\u57fa\u7840\u3002<\/span><\/p>\n<\/p>\n

\n

5\u7cfb\u7edf\u5b9e\u73b0<\/p>\n

5.1 \u767b\u5f55<\/p>\n

\u767b\u5f55\u529f\u80fd\u4e3a\u7cfb\u7edf\u5b89\u5168\u53ca\u7528\u6237\u4e2a\u6027\u5316\u670d\u52a1\u7684\u5165\u53e3\u3002\u7528\u6237\u5728\u767b\u5f55\u9875\u9762\u8f93\u5165\u6ce8\u518c\u7684\u8d26\u53f7\u4e0e\u5bc6\u7801，\u7cfb\u7edf\u901a\u8fc7\u52a0\u5bc6\u4f20\u8f93\u5c06\u4fe1\u606f\u53d1\u9001\u81f3\u670d\u52a1\u5668\u8fdb\u884c\u9a8c\u8bc1\u3002\u9a8c\u8bc1\u901a\u8fc7\u540e，\u7528\u6237\u65b9\u53ef\u8fdb\u5165\u7cfb\u7edf，\u4eab\u53d7\u75c5\u5bb3\u8bc6\u522b\u7b49\u670d\u52a1\u3002\u540c\u65f6，\u7cfb\u7edf\u652f\u6301\u591a\u79cd\u767b\u5f55\u65b9\u5f0f，\u5982\u624b\u673a\u53f7\u3001\u90ae\u7bb1\u767b\u5f55，\u6ee1\u8db3\u4e0d\u540c\u7528\u6237\u4e60\u60ef\u3002\u5bf9\u4e8e\u9996\u6b21\u767b\u5f55\u7528\u6237，\u7cfb\u7edf\u63d0\u4f9b\u5f15\u5bfc\u754c\u9762，\u4ecb\u7ecd\u7cfb\u7edf\u4e3b\u8981\u529f\u80fd，\u5e2e\u52a9\u7528\u6237\u5feb\u901f\u719f\u6089\u64cd\u4f5c\u6d41\u7a0b\u3002\u6b64\u5916，\u7cfb\u7edf\u8fd8\u8bbe\u6709\u5fd8\u8bb0\u5bc6\u7801\u529f\u80fd，\u7528\u6237\u53ef\u901a\u8fc7\u624b\u673a\u9a8c\u8bc1\u7801\u6216\u90ae\u7bb1\u627e\u56de\u5bc6\u7801，\u4fdd\u969c\u7528\u6237\u767b\u5f55\u7684\u4fbf\u6377\u6027\u4e0e\u5b89\u5168\u6027，\u5982\u56fe5-1\u6240\u793a\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u56fe 5-1 \u767b\u5f55\u529f\u80fd<\/span><\/p>\n

\n

5.2 \u5546\u54c1\u9996\u9875<\/p>\n

\u5546\u54c1\u9996\u9875\u4f5c\u4e3a\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7684\u6838\u5fc3\u5c55\u793a\u754c\u9762，\u627f\u62c5\u7740\u5438\u5f15\u7528\u6237\u4e0e\u5f15\u5bfc\u8d2d\u7269\u7684\u5173\u952e\u804c\u8d23\u3002\u9875\u9762\u8bbe\u8ba1\u7b80\u6d01\u76f4\u89c2，\u4ee5\u5927\u5e45\u8f6e\u64ad\u56fe\u5c55\u793a\u70ed\u95e8\u4e2d\u8349\u836f\u4ea7\u54c1，\u5982\u4eba\u53c2\u3001\u7075\u829d\u7b49，\u642d\u914d\u7cbe\u7f8e\u7684\u56fe\u7247\u4e0e\u7b80\u77ed\u529f\u6548\u63cf\u8ff0，\u77ac\u95f4\u6293\u4f4f\u7528\u6237\u773c\u7403\u3002\u4e0b\u65b9\u8bbe\u7f6e\u70ed\u95e8\u5206\u7c7b\u5bfc\u822a，\u6db5\u76d6\u6e05\u70ed\u89e3\u6bd2\u7c7b\u3001\u6ecb\u8865\u517b\u751f\u7c7b\u3001\u8c03\u7406\u6c14\u8840\u7c7b\u7b49，\u65b9\u4fbf\u7528\u6237\u5feb\u901f\u5b9a\u4f4d\u9700\u6c42\u3002\u540c\u65f6，\u8bbe\u6709\u70ed\u95e8\u63a8\u8350\u4e0e\u65b0\u54c1\u63a8\u8350\u677f\u5757，\u524d\u8005\u4f9d\u636e\u7528\u6237\u8d2d\u4e70\u5927\u6570\u636e\u751f\u6210，\u7cbe\u51c6\u63a8\u9001\u7545\u9500\u5546\u54c1；\u540e\u8005\u7a81\u51fa\u65b0\u4e0a\u67b6\u4e2d\u8349\u836f，\u4e3a\u7528\u6237\u5e26\u6765\u65b0\u9c9c\u9009\u62e9\u3002\u641c\u7d22\u6846\u7f6e\u4e8e\u663e\u773c\u4f4d\u7f6e，\u652f\u6301\u591a\u79cd\u641c\u7d22\u65b9\u5f0f，\u5982\u6309\u540d\u79f0\u3001\u529f\u6548\u3001\u4ea7\u5730\u641c\u7d22，\u8ba9\u7528\u6237\u80fd\u8fc5\u901f\u627e\u5230\u76ee\u6807\u5546\u54c1\u3002\u5546\u54c1\u5217\u8868\u5c55\u793a\u4e2d，\u9664\u5546\u54c1\u56fe\u7247\u3001\u540d\u79f0\u3001\u4ef7\u683c\u5916，\u8fd8\u9644\u4e0a\u7528\u6237\u8bc4\u4ef7\u661f\u7ea7，\u589e\u5f3a\u7528\u6237\u5bf9\u5546\u54c1\u7684\u4e86\u89e3\u4e0e\u4fe1\u4efb，\u5168\u65b9\u4f4d\u63d0\u5347\u7528\u6237\u6d4f\u89c8\u4f53\u9a8c，\u6fc0\u53d1\u8d2d\u4e70\u6b32\u671b，\u5982\u56fe5-2\u6240\u793a\u3002<\/span><\/p>\n

5.3\u8ba2\u5355\u4e2d\u5fc3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/p>\n

\u8ba2\u5355\u4e2d\u5fc3\u662f\u7528\u6237\u7ba1\u7406\u8d2d\u7269\u8ba2\u5355\u7684\u4e00\u7ad9\u5f0f\u5e73\u53f0\u3002\u7528\u6237\u767b\u5f55\u540e，\u53ef\u6e05\u6670\u67e5\u770b\u5168\u90e8\u8ba2\u5355\u72b6\u6001，\u5305\u62ec\u5f85\u4ed8\u6b3e\u3001\u5f85\u53d1\u8d27\u3001\u8fd0\u8f93\u4e2d\u3001\u5df2\u5b8c\u6210\u3001\u5df2\u53d6\u6d88\u7b49\u3002\u5f85\u4ed8\u6b3e\u8ba2\u5355\u5217\u8868\u660e\u786e\u663e\u793a\u5546\u54c1\u8be6\u60c5\u3001\u8d2d\u4e70\u6570\u91cf\u3001\u603b\u4ef7，\u7528\u6237\u70b9\u51fb\u5373\u53ef\u4fbf\u6377\u8df3\u8f6c\u81f3\u652f\u4ed8\u9875\u9762，\u652f\u6301\u591a\u79cd\u652f\u4ed8\u65b9\u5f0f，\u5982\u5fae\u4fe1\u3001\u652f\u4ed8\u5b9d\u3001\u94f6\u8054\u7b49\u3002\u5bf9\u4e8e\u5f85\u53d1\u8d27\u4e0e\u8fd0\u8f93\u4e2d\u7684\u8ba2\u5355，\u5b9e\u65f6\u8ddf\u8e2a\u7269\u6d41\u4fe1\u606f，\u501f\u52a9\u5730\u56fe\u5b9a\u4f4d\u5c55\u793a\u5546\u54c1\u8fd0\u8f93\u8f68\u8ff9，\u8ba9\u7528\u6237\u5fc3\u4e2d\u6709\u6570\u3002\u5df2\u5b8c\u6210\u8ba2\u5355\u4e0d\u4ec5\u4fdd\u7559\u8d2d\u4e70\u8bb0\u5f55，\u65b9\u4fbf\u7528\u6237\u56de\u987e，\u8fd8\u53ef\u5bf9\u5546\u54c1\u8fdb\u884c\u8bc4\u4ef7\u4e0e\u6652\u5355，\u5206\u4eab\u4f7f\u7528\u4f53\u9a8c\u3002\u82e5\u7528\u6237\u5bf9\u8ba2\u5355\u6709\u7591\u95ee\u6216\u9700\u9000\u6362\u8d27，\u8ba2\u5355\u4e2d\u5fc3\u63d0\u4f9b\u5ba2\u670d\u5165\u53e3，\u7528\u6237\u80fd\u5feb\u901f\u8054\u7cfb\u552e\u540e，\u4fdd\u969c\u81ea\u8eab\u6743\u76ca，\u5b9e\u73b0\u4ece\u4e0b\u5355\u5230\u552e\u540e\u7684\u5168\u6d41\u7a0b\u9ad8\u6548\u7ba1\u7406，\u5982\u56fe5-3\u6240\u793a\u3002<\/span><\/p>\n

5.4 \u7ba1\u7406\u5458\u914d\u7f6e\u4fe1\u606f<\/p>\n

\u7ba1\u7406\u5458\u914d\u7f6e\u4fe1\u606f\u6a21\u5757\u8d4b\u4e88\u7ba1\u7406\u5458\u5bf9\u5e73\u53f0\u8fdb\u884c\u5168\u65b9\u4f4d\u7ba1\u63a7\u7684\u6743\u9650\u3002\u5728\u7528\u6237\u7ba1\u7406\u65b9\u9762，\u53ef\u5ba1\u6838\u65b0\u6ce8\u518c\u7528\u6237\u4fe1\u606f，\u5bf9\u8fdd\u89c4\u7528\u6237\u8fdb\u884c\u5c01\u7981\u6216\u8b66\u544a，\u7ef4\u62a4\u5e73\u53f0\u79e9\u5e8f\u3002\u5546\u54c1\u7ba1\u7406\u529f\u80fd\u5f3a\u5927，\u7ba1\u7406\u5458\u80fd\u6dfb\u52a0\u65b0\u7684\u4e2d\u8349\u836f\u4ea7\u54c1，\u8be6\u7ec6\u5f55\u5165\u540d\u79f0\u3001\u529f\u6548\u3001\u4ea7\u5730\u3001\u4ef7\u683c\u3001\u5e93\u5b58\u7b49\u4fe1\u606f；\u9488\u5bf9\u73b0\u6709\u5546\u54c1，\u53ef\u968f\u65f6\u4fee\u6539\u4fe1\u606f\u3001\u8c03\u6574\u5e93\u5b58，\u4e0b\u67b6\u6ede\u9500\u5546\u54c1\u3002\u8ba2\u5355\u7ba1\u7406\u4e2d，\u7ba1\u7406\u5458\u53ef\u67e5\u770b\u6240\u6709\u8ba2\u5355\u8be6\u60c5，\u5904\u7406\u7528\u6237\u9000\u6362\u8d27\u7533\u8bf7，\u534f\u8c03\u7269\u6d41\u914d\u9001\u5f02\u5e38\u3002\u540c\u65f6，\u53ef\u5bf9\u5e73\u53f0\u7684\u63a8\u8350\u7b97\u6cd5\u53c2\u6570\u8fdb\u884c\u914d\u7f6e，\u4f9d\u636e\u5e02\u573a\u9700\u6c42\u4e0e\u9500\u552e\u6570\u636e\u4f18\u5316\u63a8\u8350\u7b56\u7565\u3002\u8fd8\u80fd\u8bbe\u7f6e\u5e73\u53f0\u516c\u544a\u3001\u4f18\u60e0\u6d3b\u52a8\u89c4\u5219\u7b49，\u901a\u8fc7\u7075\u6d3b\u914d\u7f6e，\u4fdd\u969c\u5e73\u53f0\u7a33\u5b9a\u8fd0\u884c，\u6ee1\u8db3\u7528\u6237\u9700\u6c42，\u63a8\u52a8\u5e73\u53f0\u4e1a\u52a1\u6301\u7eed\u53d1\u5c55，\u5982\u56fe5-4\u6240\u793a\u3002<\/span><\/p>\n

\u00a0 <\/p>\n

\n

6 \u7cfb\u7edf\u6d4b\u8bd5<\/p>\n

6.1 <\/span>\u7cfb\u7edf\u6d4b\u8bd5\u76ee\u7684<\/span><\/p>\n

\u7cfb\u7edf\u6d4b\u8bd5\u662f\u786e\u4fdd\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7684\u4e2d\u8349\u836f\u5728\u7ebf\u5e73\u53f0\u7cfb\u7edf\u8d28\u91cf\u4e0e\u53ef\u9760\u6027\u7684\u5173\u952e\u73af\u8282\u3002\u5176\u9996\u8981\u76ee\u7684\u5728\u4e8e\u9a8c\u8bc1\u7cfb\u7edf\u662f\u5426\u6ee1\u8db3\u65e2\u5b9a\u7684\u529f\u80fd\u9700\u6c42\u3002\u901a\u8fc7\u4e00\u7cfb\u5217\u6d4b\u8bd5\u7528\u4f8b，\u68c0\u67e5\u5546\u54c1\u9996\u9875\u3001\u8ba2\u5355\u4e2d\u5fc3\u3001\u7ba1\u7406\u5458\u914d\u7f6e\u4fe1\u606f\u7b49\u5404\u4e2a\u529f\u80fd\u6a21\u5757\u662f\u5426\u80fd\u6b63\u5e38\u8fd0\u4f5c，\u4f8b\u5982\u5546\u54c1\u641c\u7d22\u3001\u4e0b\u5355\u8d2d\u4e70\u3001\u8ba2\u5355\u72b6\u6001\u67e5\u8be2\u3001\u7ba1\u7406\u5458\u5bf9\u5546\u54c1\u548c\u7528\u6237\u7684\u7ba1\u7406\u7b49\u529f\u80fd\u662f\u5426\u51c6\u786e\u65e0\u8bef\u5730\u5b9e\u73b0，\u4ee5\u4fdd\u969c\u7528\u6237\u80fd\u591f\u987a\u5229\u4f7f\u7528\u5e73\u53f0\u5404\u9879\u529f\u80fd，\u83b7\u5f97\u826f\u597d\u7684\u4ea4\u4e92\u4f53\u9a8c\u3002<\/span><\/p>\n

\u5176\u6b21，\u6d4b\u8bd5\u7cfb\u7edf\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u7684\u517c\u5bb9\u6027\u3002\u786e\u4fdd\u5e73\u53f0\u80fd\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf（\u5982 Windows\u3001MacOS\u3001Linux）\u3001\u5404\u7c7b\u4e3b\u6d41\u6d4f\u89c8\u5668（\u5982 Chrome\u3001Firefox\u3001Edge\u3001Safari）\u4ee5\u53ca\u4e0d\u540c\u79fb\u52a8\u8bbe\u5907（\u5982 Android \u548c iOS \u624b\u673a\u3001\u5e73\u677f）\u4e0a\u7a33\u5b9a\u8fd0\u884c\u4e14\u754c\u9762\u663e\u793a\u6b63\u5e38，\u907f\u514d\u56e0\u73af\u5883\u5dee\u5f02\u5bfc\u81f4\u529f\u80fd\u5f02\u5e38\u6216\u9875\u9762\u5e03\u5c40\u9519\u4e71，\u4ece\u800c\u6269\u5927\u5e73\u53f0\u7684\u9002\u7528\u8303\u56f4，\u6ee1\u8db3\u5404\u7c7b\u7528\u6237\u7684\u4f7f\u7528\u9700\u6c42\u3002<\/span><\/p>\n

\u518d\u8005，\u8bc4\u4f30\u7cfb\u7edf\u7684\u6027\u80fd\u8868\u73b0\u3002\u6d4b\u8bd5\u7cfb\u7edf\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u54cd\u5e94\u65f6\u95f4\u3001\u541e\u5410\u91cf\u7b49\u6307\u6807，\u5224\u65ad\u7cfb\u7edf\u80fd\u5426\u627f\u53d7\u5927\u91cf\u7528\u6237\u540c\u65f6\u8bbf\u95ee\u3001\u4e0b\u5355\u7b49\u64cd\u4f5c，\u4fdd\u969c\u5728\u9ad8\u5cf0\u65f6\u6bb5\u5e73\u53f0\u4f9d\u7136\u80fd\u7a33\u5b9a\u8fd0\u884c，\u4e0d\u51fa\u73b0\u5361\u987f\u3001\u5d29\u6e83\u7b49\u60c5\u51b5，\u4e3a\u7528\u6237\u63d0\u4f9b\u6d41\u7545\u7684\u670d\u52a1\u4f53\u9a8c\u3002\u540c\u65f6，\u901a\u8fc7\u6d4b\u8bd5\u53d1\u73b0\u5e76\u4fee\u590d\u6f5c\u5728\u7684\u5b89\u5168\u6f0f\u6d1e，\u4fdd\u62a4\u7528\u6237\u6570\u636e\u5b89\u5168\u548c\u5e73\u53f0\u7684\u7a33\u5b9a\u8fd0\u8425，\u589e\u5f3a\u7528\u6237\u5bf9\u5e73\u53f0\u7684\u4fe1\u4efb\u5ea6\u3002<\/span><\/p>\n

6.2 <\/span>\u7cfb\u7edf\u517c\u5bb9\u6027\u6d4b\u8bd5<\/span><\/p>\n

\u64cd\u4f5c\u7cfb\u7edf\u517c\u5bb9\u6027：\u5206\u522b\u5728 Windows 10\u3001Windows 11\u3001MacOS Monterey\u3001MacOS Ventura\u3001Ubuntu 22.04 \u7b49\u5e38\u89c1\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u90e8\u7f72\u5e73\u53f0\u8fdb\u884c\u6d4b\u8bd5\u3002\u68c0\u67e5\u9875\u9762\u52a0\u8f7d\u901f\u5ea6\u3001\u529f\u80fd\u64cd\u4f5c\u662f\u5426\u6d41\u7545，\u5982\u5728 Windows \u7cfb\u7edf\u4e0b\u6d4b\u8bd5\u5546\u54c1\u641c\u7d22\u529f\u80fd，\u5728 MacOS \u7cfb\u7edf\u4e0b\u9a8c\u8bc1\u8ba2\u5355\u652f\u4ed8\u6d41\u7a0b\u7b49，\u786e\u4fdd\u5e73\u53f0\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u73af\u5883\u4e0b\u529f\u80fd\u4e00\u81f4\u4e14\u7a33\u5b9a\u8fd0\u884c\u3002<\/span><\/p>\n

\u6d4f\u89c8\u5668\u517c\u5bb9\u6027：\u9488\u5bf9 Chrome \u6700\u65b0\u7248\u672c\u3001Firefox \u957f\u671f\u652f\u6301\u7248\u672c\u3001Edge \u7a33\u5b9a\u7248\u3001Safari \u6700\u65b0\u7248\u7b49\u4e3b\u6d41\u6d4f\u89c8\u5668\u5f00\u5c55\u6d4b\u8bd5\u3002\u91cd\u70b9\u5173\u6ce8\u9875\u9762\u5e03\u5c40\u662f\u5426\u9519\u4e71，JavaScript \u811a\u672c\u80fd\u5426\u6b63\u5e38\u6267\u884c，\u4f8b\u5982\u5728 Chrome \u6d4f\u89c8\u5668\u4e2d\u68c0\u67e5\u5546\u54c1\u56fe\u7247\u662f\u5426\u6b63\u5e38\u663e\u793a，\u5728 Firefox \u6d4f\u89c8\u5668\u4e2d\u6d4b\u8bd5\u7528\u6237\u767b\u5f55\u529f\u80fd\u662f\u5426\u53ef\u7528，\u4fdd\u8bc1\u5e73\u53f0\u5728\u5404\u79cd\u6d4f\u89c8\u5668\u4e0a\u90fd\u80fd\u5448\u73b0\u51fa\u6b63\u786e\u7684\u754c\u9762\u548c\u5b8c\u6574\u7684\u529f\u80fd\u3002<\/span><\/p>\n

\u79fb\u52a8\u8bbe\u5907\u517c\u5bb9\u6027：\u9009\u53d6\u4e0d\u540c\u54c1\u724c\u548c\u578b\u53f7\u7684 Android \u624b\u673a（\u5982\u534e\u4e3a P \u7cfb\u5217\u3001\u5c0f\u7c73\u6570\u5b57\u7cfb\u5217）\u3001iOS \u624b\u673a（\u5982 iPhone \u5404\u578b\u53f7）\u4ee5\u53ca\u4e3b\u6d41\u5e73\u677f\u7535\u8111（\u5982 iPad \u7cfb\u5217\u3001\u534e\u4e3a MatePad \u7cfb\u5217）\u8fdb\u884c\u6d4b\u8bd5\u3002\u67e5\u770b\u5e73\u53f0\u5728\u79fb\u52a8\u8bbe\u5907\u4e0a\u7684\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u6548\u679c，\u5982\u9875\u9762\u662f\u5426\u81ea\u9002\u5e94\u5c4f\u5e55\u5927\u5c0f，\u64cd\u4f5c\u6309\u94ae\u662f\u5426\u6613\u4e8e\u70b9\u51fb，\u5728\u624b\u673a\u7aef\u6d4b\u8bd5\u5546\u54c1\u8be6\u60c5\u67e5\u770b\u3001\u52a0\u5165\u8d2d\u7269\u8f66\u7b49\u529f\u80fd，\u5728\u5e73\u677f\u4e0a\u6d4b\u8bd5\u8ba2\u5355\u7ba1\u7406\u529f\u80fd，\u786e\u4fdd\u79fb\u52a8\u7528\u6237\u4e5f\u80fd\u83b7\u5f97\u826f\u597d\u7684\u4f7f\u7528\u4f53\u9a8c\u3002<\/span><\/p>\n

\n

6.3 <\/span>\u529f\u80fd\u6027\u6d4b\u8bd5<\/span><\/p>\n

\u5546\u54c1\u9996\u9875\u529f\u80fd\u6d4b\u8bd5：\u6d4b\u8bd5\u5546\u54c1\u641c\u7d22\u529f\u80fd，\u8f93\u5165\u4e0d\u540c\u4e2d\u8349\u836f\u540d\u79f0\u3001\u529f\u6548\u3001\u4ea7\u5730\u7b49\u5173\u952e\u8bcd，\u68c0\u67e5\u641c\u7d22\u7ed3\u679c\u662f\u5426\u51c6\u786e\u4e14\u5b8c\u6574\u3002\u9a8c\u8bc1\u70ed\u95e8\u5206\u7c7b\u5bfc\u822a\u80fd\u5426\u6b63\u786e\u8df3\u8f6c\u5230\u76f8\u5e94\u5546\u54c1\u5206\u7c7b\u9875\u9762，\u70ed\u95e8\u63a8\u8350\u548c\u65b0\u54c1\u63a8\u8350\u677f\u5757\u5c55\u793a\u7684\u5546\u54c1\u662f\u5426\u7b26\u5408\u7b97\u6cd5\u903b\u8f91\u3002\u68c0\u67e5\u5546\u54c1\u5217\u8868\u4e2d\u5546\u54c1\u56fe\u7247\u3001\u540d\u79f0\u3001\u4ef7\u683c\u3001\u8bc4\u4ef7\u661f\u7ea7\u7b49\u4fe1\u606f\u662f\u5426\u663e\u793a\u6b63\u5e38，\u70b9\u51fb\u5546\u54c1\u94fe\u63a5\u80fd\u5426\u987a\u5229\u8fdb\u5165\u5546\u54c1\u8be6\u60c5\u9875\u3002<\/span><\/p>\n

\u8ba2\u5355\u4e2d\u5fc3\u529f\u80fd\u6d4b\u8bd5：\u6a21\u62df\u7528\u6237\u4e0b\u5355\u6d41\u7a0b，\u68c0\u67e5\u5728\u5f85\u4ed8\u6b3e\u8ba2\u5355\u72b6\u6001\u4e0b，\u5546\u54c1\u8be6\u60c5\u3001\u8d2d\u4e70\u6570\u91cf\u3001\u603b\u4ef7\u663e\u793a\u662f\u5426\u6b63\u786e，\u652f\u4ed8\u8df3\u8f6c\u662f\u5426\u987a\u7545，\u5404\u79cd\u652f\u4ed8\u65b9\u5f0f\u662f\u5426\u53ef\u7528\u3002\u5bf9\u4e8e\u5f85\u53d1\u8d27\u548c\u8fd0\u8f93\u4e2d\u7684\u8ba2\u5355，\u9a8c\u8bc1\u7269\u6d41\u4fe1\u606f\u8ddf\u8e2a\u662f\u5426\u5b9e\u65f6\u51c6\u786e，\u5730\u56fe\u5b9a\u4f4d\u529f\u80fd\u662f\u5426\u6b63\u5e38\u3002\u5728\u5df2\u5b8c\u6210\u8ba2\u5355\u72b6\u6001\u4e0b，\u6d4b\u8bd5\u8bc4\u4ef7\u548c\u6652\u5355\u529f\u80fd\u662f\u5426\u53ef\u64cd\u4f5c，\u552e\u540e\u5ba2\u670d\u5165\u53e3\u662f\u5426\u80fd\u53ca\u65f6\u54cd\u5e94\u3002<\/span><\/p>\n

\u7ba1\u7406\u5458\u914d\u7f6e\u4fe1\u606f\u529f\u80fd\u6d4b\u8bd5：\u5728\u7528\u6237\u7ba1\u7406\u65b9\u9762，\u6d4b\u8bd5\u7ba1\u7406\u5458\u5ba1\u6838\u65b0\u7528\u6237\u6ce8\u518c\u4fe1\u606f\u662f\u5426\u4fbf\u6377，\u5c01\u7981\u548c\u8b66\u544a\u8fdd\u89c4\u7528\u6237\u64cd\u4f5c\u662f\u5426\u6709\u6548\u3002\u5546\u54c1\u7ba1\u7406\u4e2d，\u68c0\u67e5\u6dfb\u52a0\u65b0\u5546\u54c1\u65f6\u4fe1\u606f\u5f55\u5165\u662f\u5426\u5b8c\u6574\u4fdd\u5b58，\u4fee\u6539\u5546\u54c1\u4fe1\u606f\u3001\u8c03\u6574\u5e93\u5b58\u3001\u4e0b\u67b6\u5546\u54c1\u7b49\u529f\u80fd\u662f\u5426\u6b63\u5e38\u3002\u8ba2\u5355\u7ba1\u7406\u4e2d，\u6d4b\u8bd5\u7ba1\u7406\u5458\u67e5\u770b\u8ba2\u5355\u8be6\u60c5\u3001\u5904\u7406\u9000\u6362\u8d27\u7533\u8bf7\u3001\u534f\u8c03\u7269\u6d41\u5f02\u5e38\u7b49\u64cd\u4f5c\u662f\u5426\u6d41\u7545\u3002\u6d4b\u8bd5\u63a8\u8350\u7b97\u6cd5\u53c2\u6570\u914d\u7f6e\u662f\u5426\u80fd\u751f\u6548，\u5e73\u53f0\u516c\u544a\u548c\u4f18\u60e0\u6d3b\u52a8\u89c4\u5219\u8bbe\u7f6e\u540e\u80fd\u5426\u5728\u524d\u53f0\u6b63\u786e\u663e\u793a\u3002\u901a\u8fc7\u5168\u9762\u7684\u529f\u80fd\u6027\u6d4b\u8bd5，\u786e\u4fdd\u5e73\u53f0\u5404\u529f\u80fd\u6a21\u5757\u65e0\u7f3a\u9677，\u80fd\u591f\u6ee1\u8db3\u7528\u6237\u548c\u7ba1\u7406\u5458\u7684\u5b9e\u9645\u4f7f\u7528\u9700\u6c42\u3002<\/span><\/p>\n<\/p>\n

6.4 <\/span>\u672c\u7ae0\u5c0f\u7ed3<\/span><\/p>\n

\u672c\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5148\u5bf9\u7cfb\u7edf\u8fdb\u884c\u4e86\u517c\u5bb9\u6027\u7684\u6d4b\u8bd5，\u7136\u540e\u5728\u9488\u5bf9\u7cfb\u7edf\u7684\u4e3b\u8981\u529f\u80fd\u8fdb\u884c\u4e86\u7528\u4f8b\u6d4b\u8bd5，\u6d4b\u8bd5\u7ed3\u679c\u8868\u660e，\u7cfb\u7edf\u7b26\u5408\u65e2\u5b9a\u7684\u529f\u80fd\u9700\u6c42\u76ee\u6807\u3002<\/span><\/p>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

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