{"id":933,"date":"2024-11-07T15:36:08","date_gmt":"2024-11-07T07:36:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/933\/"},"modified":"2024-11-07T15:36:08","modified_gmt":"2024-11-07T07:36:08","slug":"%e9%9a%8f%e6%9c%ba%e6%95%b0%e7%a7%8d%e5%ad%90%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e7%a8%8b%e5%ba%8f%e7%bb%93%e6%9e%9c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/933\/","title":{"rendered":"\u968f\u673a\u6570\u79cd\u5b50\u5982\u4f55\u5f71\u54cd\u7a0b\u5e8f\u7ed3\u679c\uff1f"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-974\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173079561086455.jpg\" width=\"800\" height=\"320\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173079561086455.jpg 800w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173079561086455-300x120.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173079561086455-768x307.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/173079561086455-670x268.jpg 670w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" title=\"\u968f\u673a\u6570\u79cd\u5b50\u5982\u4f55\u5f71\u54cd\u7a0b\u5e8f\u7ed3\u679c\uff1f\u63d2\u56fe\" alt=\"\u968f\u673a\u6570\u79cd\u5b50\u5982\u4f55\u5f71\u54cd\u7a0b\u5e8f\u7ed3\u679c\uff1f\u63d2\u56fe\" 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(PRNG)\uff0c\u901a\u8fc7\u4e00\u4e2a\u786e\u5b9a\u7684\u7b97\u6cd5\u751f\u6210\u4e00\u7cfb\u5217\u770b\u4f3c\u968f\u673a\u7684\u6570\u5b57\u3002<\/p>\n<p>PRNG \u9700\u8981\u4e00\u4e2a\u79cd\u5b50\u4f5c\u4e3a\u8f93\u5165\u503c\u3002PRNG \u5bf9\u79cd\u5b50\u548c\u7b97\u6cd5\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684\u201c\u968f\u673a\u201d\u6570\u3002\u7136\u540e\uff0c\u8be5\u65b0\u6570\u4f1a\u6210\u4e3a\u4e0b\u4e00\u6b21\u8ba1\u7b97\u7684\u79cd\u5b50\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728 Go \u8bed\u8a00\u4e2d\uff0crand.Seed \u51fd\u6570\u53ef\u4ee5\u8bbe\u7f6e\u968f\u673a\u6570\u79cd\u5b50\u7684\u503c\u3002\u5f53\u6253\u5f00\u7a0b\u5e8f\u4e2d\u6307\u5b9a\u7684\u4ee3\u7801\u5757\u65f6\uff0crand.Seed \u4f1a\u5c06\u5f53\u524d\u65f6\u95f4\u4f5c\u4e3a\u79cd\u5b50\u503c\u3002\u56e0\u6b64\uff0c\u6bcf\u6b21\u8fd0\u884c\u7a0b\u5e8f\u90fd\u4f1a\u751f\u6210\u4e0d\u540c\u7684\u968f\u673a\u6570\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5982\u679c\u6bcf\u6b21\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u79cd\u5b50\u503c\uff0cPRNG \u5c06\u59cb\u7ec8\u4ea7\u751f\u76f8\u540c\u7684\u968f\u673a\u6570\u987a\u5e8f\u3002\u4f8b\u5982\uff0c\u5728\u4e0a\u9762\u63d0\u4f9b\u7684 Go \u4ee3\u7801\u4e2d\uff0c\u5982\u679c\u6253\u5f00 [2] \u4e2d\u7684 rand.Seed \u6ce8\u91ca\uff0c\u5c31\u4f1a\u6bcf\u6b21\u751f\u6210\u76f8\u540c\u7684\u968f\u673a\u5b57\u7b26\u4e32\u3002\u8fd9\u662f\u56e0\u4e3a time.Now().Unix() 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\u5728\u7f16\u7a0b\u4e2d\uff0c\u8bb8\u591a\u8bed\u8a00\u90fd\u4f1a\u4f7f\u7528\u968f\u673a\u6570\u751f\u6210\u5668\uff0c\u4f46\u5176\u751f\u6210\u7684\u7ed3\u679c\u5f80\u5f80\u5e76\u4e0d\u662f\u771f\u6b63\u7684\u968f\u673a\u3002\u4e3a\u4e86\u63d0\u9ad8\u968f\u673a\u6027\uff0c\u5f15\u5165\u4e86\u968f\u673a\u6570\u79cd\u5b50\u3002 \u968f\u673a\u6570\u79cd\u5b50\u662f\u4e00\u4e2a\u521d\u59cb\u503c\uff0c\u5b83\u4f1a\u5f71\u54cd\u968f\u673a\u6570\u751f\u6210\u5668\u7684\u8f93\u51fa\u3002\u6bcf\u6b21\u8bbe\u7f6e\u76f8\u540c\u7684\u968f\u673a\u6570\u79cd\u5b50\uff0c\u5c31\u4f1a\u4ea7\u751f\u76f8\u540c\u7684\u968f\u673a\u6570\u5e8f\u5217\u3002\u8fd9\u5728\u8c03\u8bd5\u548c\u91cd\u590d\u53ef\u9884\u6d4b\u7ed3\u679c\u65f6\u975e\u5e38\u6709\u7528\u3002 \u8981\u7406\u89e3\u968f\u673a\u6570\u79cd\u5b50\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u6211\u4eec\u9700\u8981\u77e5\u9053\u8ba1\u7b97\u673a\u5982\u4f55\u751f\u6210\u968f\u673a\u6570\u3002\u5927\u591a\u6570\u8ba1\u7b97\u673a\u4f7f\u7528\u4f2a\u968f\u673a\u6570\u751f\u6210\u5668 (PRNG)\uff0c\u901a\u8fc7\u4e00\u4e2a\u786e\u5b9a\u7684\u7b97\u6cd5\u751f\u6210\u4e00\u7cfb\u5217\u770b\u4f3c\u968f\u673a\u7684\u6570\u5b57\u3002 PRNG \u9700\u8981\u4e00\u4e2a\u79cd\u5b50\u4f5c\u4e3a\u8f93\u5165\u503c\u3002PRNG \u5bf9\u79cd\u5b50\u548c\u7b97\u6cd5\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684\u201c\u968f\u673a\u201d\u6570\u3002\u7136\u540e\uff0c\u8be5\u65b0\u6570\u4f1a\u6210\u4e3a\u4e0b\u4e00\u6b21\u8ba1\u7b97\u7684\u79cd\u5b50\u3002 \u4f8b\u5982\uff0c\u5728 Go \u8bed\u8a00\u4e2d\uff0crand.Seed \u51fd\u6570\u53ef\u4ee5\u8bbe\u7f6e\u968f\u673a\u6570\u79cd\u5b50\u7684\u503c\u3002\u5f53\u6253\u5f00\u7a0b\u5e8f\u4e2d\u6307\u5b9a\u7684\u4ee3\u7801\u5757\u65f6\uff0crand.Seed \u4f1a\u5c06\u5f53\u524d\u65f6\u95f4\u4f5c\u4e3a\u79cd\u5b50\u503c\u3002\u56e0\u6b64\uff0c\u6bcf\u6b21\u8fd0\u884c\u7a0b\u5e8f\u90fd\u4f1a\u751f\u6210\u4e0d\u540c\u7684\u968f\u673a\u6570\u3002 \u7136\u800c\uff0c\u5982\u679c\u6bcf\u6b21\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u79cd\u5b50\u503c\uff0cPRNG \u5c06\u59cb\u7ec8\u4ea7\u751f\u76f8\u540c\u7684\u968f\u673a\u6570\u987a\u5e8f\u3002\u4f8b\u5982\uff0c\u5728\u4e0a\u9762\u63d0\u4f9b\u7684 Go \u4ee3\u7801\u4e2d\uff0c\u5982\u679c\u6253\u5f00 [2] \u4e2d\u7684 rand.Seed \u6ce8\u91ca\uff0c\u5c31\u4f1a\u6bcf\u6b21\u751f\u6210\u76f8\u540c\u7684\u968f\u673a\u5b57\u7b26\u4e32\u3002\u8fd9\u662f\u56e0\u4e3a time.Now().Unix() \u51fd\u6570\u603b\u662f\u8fd4\u56de\u5f53\u524d\u65f6\u95f4\uff0c\u4ece\u800c\u5bfc\u81f4\u76f8\u540c\u7684\u79cd\u5b50\u503c\u3002 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