{"id":1874,"date":"2014-03-20T18:12:38","date_gmt":"2014-03-20T10:12:38","guid":{"rendered":"http:\/\/www.yewen.us\/blog\/?p=1874"},"modified":"2014-03-20T21:39:56","modified_gmt":"2014-03-20T13:39:56","slug":"%e9%a5%ad%e5%9b%a2%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.yewen.us\/blog\/2014\/03\/%e9%a5%ad%e5%9b%a2%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e8%ae%b0\/","title":{"rendered":"\u996d\u56e2\u6027\u80fd\u4f18\u5316\u8bb0"},"content":{"rendered":"

\u7f18\u8d77<\/strong><\/p>\n

\u524d\u5e74\u51ac\u5929\u5728\u4eba\u4eba\u65f6, \u4e3a\u4e86\u65b9\u4fbf\u7ec4\u91cc\u4e00\u8d77\u5403\u996d\u7684\u540c\u5b66\u4eec\u4e92\u76f8\u7b97\u8d26, \u53c2\u8003\u4ee5\u524d\u5ea6\u5382\u7684\u996d\u56e2\u8bbe\u7f6e, \u5728\u56e2\u961f\u91cc\u62c9\u8d77\u4e00\u4e2a\u996d\u56e2, \u7136\u540e\u5199\u4e86\u4e2a\u5c0f\u7cfb\u7edf\u6765\u8bb0\u8d26<\/p>\n

\u8bbe\u8ba1<\/strong><\/p>\n

\u4e00\u5f00\u59cb\u7684\u60f3\u6cd5\u662f\u8fd9\u6837\u7684<\/p>\n

1. \u996d\u56e2\u8bbe\u7f6e\u4e00\u4e2a\u56e2\u957f, \u56e2\u957f\u7ba1\u996d\u56e2\u7684\u94b1, \u51fa\u53bb\u5403\u996d\u65f6\u7531\u56e2\u957f\u4ed8\u94b1
\n2. \u6bcf\u987f\u996d\u6309\u4eba\u5747\u6d88\u8d39\u989d, \u6263\u9664\u53c2\u56e2\u4eba\u7684\u4f59\u989d
\n3. \u6bcf\u4e2a\u4eba\u628a\u94b1\u4ea4\u7ed9\u56e2\u957f, \u4f59\u989d\u4e0d\u8db3\u65f6\u7531\u56e2\u957f\u50ac\u4fc3\u4ea4\u94b1<\/p>\n

\u6240\u4ee5\u8bbe\u8ba1\u7684\u6570\u636e\u6a21\u578b\u662f<\/p>\n

\r\n    \u4eba {\r\n        id,\r\n        \u59d3\u540d\r\n    }\r\n    \u996d {\r\n        id,\r\n        \u4ed8\u6b3e\u4eba,    # \u5916\u952e, \u591a\u5bf9\u4e00\r\n        \u53c2\u4e0e\u4eba,    # \u5916\u952e, \u591a\u5bf9\u591a\r\n        \u6d88\u8d39\u989d\r\n    }\r\n<\/pre>\n
\u5403\u996d\u5c31\u5728\u996d\u90a3\u4e2a\u8868\u91cc\u52a0\u4e00\u6761\u8bb0\u5f55, \u5145\u503c\u4e5f\u7b97\u4e00\u987f\u7279\u6b8a\u7684\u996d. \u6bcf\u987f\u996d\u540e\u7684\u8d26\u9762\u548c\u6700\u7ec8\u4f59\u989d\u6309\u65f6\u95f4\u904d\u5386\u6240\u6709\u8bb0\u5f55\u5b9e\u65f6\u7b97, \u8fd9\u6837\u4e00\u662f\u7701\u4e86\u8bb0\u6bcf\u987f\u996d\u540e\u4f59\u989d\u7684\u5b58\u50a8\u5f00\u9500, \u4e8c\u662f\u907f\u514d\u6709\u5386\u53f2\u4fee\u6539\u800c\u9700\u8981\u66f4\u65b0\u4f59\u989d\u8868\u4e00\u5806\u6570\u636e\u7684\u9ebb\u70e6\u4e8b. \u8003\u8651\u5230\u996d\u56e2\u4e5f\u5c31\u5341\u6765\u4e2a\u4eba, \u5728\u53ef\u9884\u89c1\u7684\u672a\u6765\u6570\u636e\u91cf\u4eba\u6700\u591a\u5230\u767e\u7ea7, \u996d\u6491\u6b7b\u4e5f\u5c31\u662f\u5343\u7ea7, \u6bcf\u6b21\u904d\u5386\u7684\u4ee3\u4ef7\u5e94\u8be5\u4e5f\u4e0d\u5927 (\u4e8b\u5b9e\u4e0a\u5728\u6211\u5199\u672c\u7bc7\u6587\u7ae0\u7684\u65f6\u5019, \u996d\u56e2\u5386\u53f2\u603b\u4eba\u6570\u4e0d\u5230 20, \u7b97\u4e0a\u5145\u503c\u8f6c\u8d26\u7b49\u603b\u5171\u4e5f\u4e0d\u5230 500 \u987f\u996d)<\/p>\n
\u8fd9\u4e2a\u4f59\u989d\u5b9e\u65f6\u8ba1\u7b97\u7684\u601d\u8def\u548c BitCoin \u7684\u4f59\u989d\u5224\u65ad\u65b9\u6cd5\u4e5f\u633a\u50cf\u7684, \u6b63\u662f\u56e0\u4e3a\u6211\u5199\u996d\u56e2\u8e29\u4e86\u4e0d\u5c11\u5751, \u6240\u4ee5\u6211\u89c9\u5f97 BitCoin \u67d0\u4e9b\u65b9\u9762\u8fd8\u662f\u6709\u5f88\u5927\u95ee\u9898\u7684, \u8fd9\u4e2a\u56de\u5934\u53e6\u5916\u8ba8\u8bba<\/p>\n
\u53e6\u5916\u4e3a\u4e86\u7edf\u8ba1\u65b9\u4fbf\u548c\u53ef\u8ffd\u67e5, \u5e0c\u671b\u8bb0\u5f55\u6bcf\u987f\u996d\u662f\u54ea\u5929\u5728\u54ea\u5403\u7684, \u65b0\u589e\u548c\u4fee\u6539\u6570\u636e<\/p>\n
\r\n    \u996d {\r\n        ...\r\n        \u65e5\u671f\u65f6\u95f4,\r\n        \u5e97        # \u5916\u952e, \u591a\u5bf9\u591a\r\n    }\r\n    \u5e97 {\r\n        id,\r\n        \u996d\u5e97\u540d\r\n    }\r\n<\/pre>\n
\u540e\u6765\u8003\u8651\u672a\u6765\u53ef\u80fd\u6709\u4eba\u56e0\u4e3a\u8f6c\u5c97\u6216\u79bb\u804c\u79bb\u5f00\u996d\u56e2\u800c\u996d\u56e2\u91cc\u8fd8\u6709\u4f59\u989d\u9700\u8981\u9000\u6b3e, \u65b0\u589e\u4e24\u4e2a\u7279\u6b8a\u7684\u5e97\u6765\u8bb0\u5f55\u5145\u503c\u9000\u6b3e\u64cd\u4f5c, \u81ea\u6b64\u6570\u636e\u6a21\u578b\u8bbe\u8ba1\u5b8c\u6bd5. \u6700\u7ec8\u7684 sqlite schema \u5982\u4e0b<\/p>\n
\r\n    CREATE TABLE "ft_people" (\r\n        "id" integer NOT NULL PRIMARY KEY,\r\n        "name" varchar(200) NOT NULL\r\n    );\r\n\r\n    CREATE TABLE "ft_deal" (\r\n        "id" integer NOT NULL PRIMARY KEY,\r\n        "restaurant_id" integer NOT NULL REFERENCES "ft_restaurant" ("id"),\r\n        "pay_people_id" integer NOT NULL REFERENCES "ft_people" ("id"),\r\n        "deal_date" datetime NOT NULL,\r\n        "charge" real NOT NULL\r\n    );\r\n    CREATE INDEX "ft_deal_75ae3b0c" ON "ft_deal" ("pay_people_id");\r\n    CREATE INDEX "ft_deal_be4c8f84" ON "ft_deal" ("restaurant_id");\r\n\r\n    CREATE TABLE "ft_deal_peoples" (\r\n        "id" integer NOT NULL PRIMARY KEY,\r\n        "deal_id" integer NOT NULL,\r\n        "people_id" integer NOT NULL REFERENCES "ft_people" ("id"),\r\n        UNIQUE ("deal_id", "people_id")\r\n    );\r\n    CREATE INDEX "ft_deal_peoples_1a9336ea" ON "ft_deal_peoples" ("deal_id");\r\n    CREATE INDEX "ft_deal_peoples_3cff102f" ON "ft_deal_peoples" ("people_id");\r\n\r\n    CREATE TABLE "ft_restaurant" (\r\n        "id" integer NOT NULL PRIMARY KEY,\r\n        "name" varchar(200) NOT NULL\r\n    );\r\n<\/pre>\n
\u56e0\u4e3a\u61d2\u5f97\u81ea\u5df1\u53bb\u7ba1\u7406\u6570\u636e\u7684\u5199\u548c\u66f4\u65b0\u64cd\u4f5c, \u521a\u597d\u90a3\u6bb5\u65f6\u95f4\u770b\u4e86\u4e0b django, \u611f\u89c9\u81ea\u5e26 ORM \u548c admin \u7ec4\u4ef6\u7684 django \u4f1a\u662f\u5f00\u53d1\u7684\u597d\u9009\u62e9, \u4e8e\u662f\u5bf9\u7740 tutorial \u5b66\u8fc7\u53bb\u540e\u5c31\u5f00\u5de5\u4e86. \u5f88\u5feb\u5199\u5b8c, \u6846\u67b6\u7528\u7684 django1.5, \u6570\u636e\u5e93\u7528 sqlite, \u9875\u9762\u662f\u88f8\u5199\u7684 html, \u6ca1\u6709\u4efb\u4f55 javascript, \u4ec5\u6709\u7684\u4e00\u70b9 css \u4e5f\u786c\u7f16\u7801\u5728 html \u6587\u4ef6\u91cc\u4e86<\/p>\n
\u529f\u80fd\u548c\u7f8e\u5316<\/strong><\/p>\n
\u7528\u4e86\u4e00\u6bb5\u65f6\u95f4\u540e\u53d1\u73b0\u79bb\u4e00\u5f00\u59cb\u7684\u8bbe\u5b9a\u6709\u4e00\u4e9b\u53d8\u5316, \u6bd4\u5982\u56e2\u957f\u4e0d\u4e00\u5b9a\u6bcf\u987f\u996d\u90fd\u51fa\u5e2d, \u90a3\u9700\u8981\u6709\u53e6\u5916\u7684\u4eba\u4ed8\u8d26, \u7136\u540e\u56e2\u957f\u53c8\u8981\u7ed9\u4ed8\u8d26\u7684\u4eba\u56e2\u8d39, \u8fd8\u4e0d\u5982\u76f4\u63a5\u8ba9\u4ed8\u8d26\u4eba\u7684\u94b1\u76f4\u63a5\u8fdb\u996d\u56e2\u4f59\u989d. \u8fd9\u4e2a\u529f\u80fd\u7528\u6700\u521d\u7684\u529f\u80fd\u4e5f\u53ef\u4ee5\u505a\u5230, \u53ea\u662f\u8ba9\u56e2\u8d39\u7684\u4f5c\u7528\u6ca1\u90a3\u4e48\u6e05\u6670\u4e86. \u7528\u5230\u540e\u6765, \u53d1\u73b0\u5176\u5b9e\u662f\u4e0d\u9700\u8981\u6709\u996d\u56e2\u56e2\u957f\u8fd9\u4e2a\u8bbe\u5b9a\u7684, \u6bcf\u987f\u996d\u8c01\u4ed8\u94b1\u5c31\u7b97\u8c01\u7684, \u53cd\u6b63\u996d\u56e2\u8bb0\u5f55\u7684\u662f\u6bcf\u4e2a\u4eba\u7684\u5e10\u6237\u4f59\u989d, \u56e2\u8d39\u5176\u5b9e\u5c31\u662f\u56e2\u957f\u7684\u5e10\u6237\u4f59\u989d. \u9700\u8981\u4ea4\u56e2\u8d39\u6216\u4e92\u76f8\u8f6c\u8d26\u65f6\u76f4\u63a5\u6dfb\u52a0\u4e00\u987f\u8f6c\u51fa\u4eba\u4ed8\u6b3e, \u53c2\u4e0e\u4eba\u53ea\u6709\u6536\u6b3e\u4eba\u7684\u7279\u6b8a\u865a\u62df\u996d\u5c31\u53ef\u4ee5\u4e86, \u4e8e\u662f\u53c8\u52a0\u4e86\u4e2a\u53eb\u8f6c\u8d26\u7684\u865a\u62df\u5e97\u6765\u8bb0\u5f55\u8f6c\u8d26\u64cd\u4f5c, \u81ea\u6b64\u5145\u503c\u548c\u9000\u6b3e\u4e24\u4e2a\u865a\u62df\u5e97\u5c31\u53d8\u5f97\u6beb\u65e0\u7528\u5904\u4e86<\/p>\n
\u4e00\u5f00\u59cb\u6240\u6709\u996d\u56e2\u8bb0\u5f55\u90fd\u53ea\u6709\u4e00\u9875, \u540e\u6765\u5e94\u5927\u5bb6\u7684\u7edf\u8ba1\u9700\u6c42, \u6309\u53c2\u4e0e\u4eba\/\u4ed8\u6b3e\u4eba\/\u5e97\u5206\u522b\u505a\u4e86\u4e2a\u8fc7\u6ee4\u5668, \u8fd9\u4e2a\u5b9e\u73b0\u7684\u5f88\u7b80\u5355, \u5c31\u662f\u5bf9\u4e0d\u7b26\u5408\u8fc7\u6ee4\u5668\u7684\u8bb0\u5f55, \u53ea\u8ba1\u7b97\u4e0d\u8f93\u51fa\u5c31\u884c\u4e86<\/p>\n
\u5f53\u996d\u56e2\u8fd0\u4f5c\u4e86\u534a\u5e74\u591a\u540e, \u5355\u9875\u7684\u996d\u56e2\u592a\u957f, \u53c8\u5c06\u9ed8\u8ba4\u9875\u9762\u6539\u6210\u53ea\u770b\u6700\u8fd1\u4e00\u4e2a\u6708\u7684, \u53e6\u5916\u63d0\u4f9b\u4e86\u4e2a\u7ffb\u9875\u7684\u6309\u94ae\u548c\u67e5\u770b\u5168\u90e8\u7684\u9009\u9879. \u53e6\u4e00\u4e2a\u95ee\u9898\u662f\u996d\u56e2\u6210\u7acb\u65f6\u7684\u56e2\u5458\u6709\u4eba\u8f6c\u53bb\u4e86\u5176\u4ed6\u56e2\u961f\u4e0d\u518d\u4e00\u8d77\u5403\u996d, \u8fd9\u4e9b\u4eba\u6700\u8fd1\u7684\u8bb0\u5f55\u90fd\u662f\u7a7a\u7684, \u653e\u7740\u4e00\u662f\u4e0d\u597d\u770b, \u4e8c\u662f\u4eba\u591a\u4e86\u9875\u9762\u5bbd\u5ea6\u8d85\u8fc7\u5f88\u591a\u4eba\u663e\u793a\u5668\u7684\u5927\u5c0f, \u4e8e\u662f\u7ed9\u4eba\u52a0\u4e86\u4e00\u4e2a “\u662f\u5426\u6d3b\u8dc3” \u7684\u5c5e\u6027, \u9ed8\u8ba4\u4e0d\u663e\u793a\u90a3\u4e9b\u4e0d\u6d3b\u8dc3\u7684\u4eba<\/p>\n
\u524d\u4e0d\u4e45\u56de\u5934\u53bb\u770b\u996d\u56e2\u7684\u524d\u7aef, \u89c9\u5f97\u867d\u7136\u7b97\u4e0d\u4e0a\u4e11\u6b7b\u4eba, \u4f46\u662f\u4e5f\u6ca1\u597d\u770b\u5230\u54ea\u53bb, \u521a\u597d\u5c31\u7528 bootstrap \u5957\u4e86\u4e0b, \u5e76\u628a\u5404\u79cd\u8fc7\u6ee4\u5668\u63d0\u4f9b\u8868\u5355\u8f93\u5165\u7684\u529f\u80fd\u5f04\u6210\u4e00\u4e2a\u67e5\u8be2\u8868\u5355. \u672c\u6253\u7b97\u628a\u8868\u5355\u76f4\u63a5\u585e\u5bfc\u822a\u680f, \u7ed3\u679c\u53d1\u73b0 bootstrap \u539f\u751f\u7684 select \u4ec0\u4e48\u7684\u771f\u5fc3\u592a\u4e11, \u653e\u5bfc\u822a\u680f\u4e25\u91cd\u7834\u574f\u7f8e\u611f, \u540e\u6765\u627e\u4e86\u4e2a bootstrap-select \u7684\u63d2\u4ef6\u6765\u652f\u6301, \u8fd9\u4e2a\u5c31\u5f88\u8d5e\u4e86<\/p>\n
\u7528\u4e0a bootstrap \u65f6\u4e00\u5acc\u81ea\u5df1\u7ba1\u7406 css\/js \u9ebb\u70e6, \u4e8c\u6015\u53c8\u626f\u4e0a\u88ab\u4eba\u76d7\u7528\u8dd1\u6d41\u91cf\u7684\u72d7\u8840, \u76f4\u63a5\u7528\u4e86\u56fd\u5185\u5927\u516c\u53f8\u7684 cdn \u5185\u5bb9. \u540e\u6765\u7528 bootstrap-select \u65f6, \u53d1\u73b0\u56fd\u5916\u7684 cdn \u592a\u6162, \u56fd\u5185\u53c8\u6ca1\u627e\u5230\u9760\u8c31\u7684, \u5c31\u53ea\u80fd\u5728\u81ea\u5df1\u9879\u76ee\u91cc\u62f7\u8d1d\u4e86\u4e00\u4efd, \u7ed3\u679c\u6d4b\u8bd5\u73af\u5883\u90fd OK, \u5728\u7ebf\u4e0a\u7684 fastcgi \u73af\u5883\u91cc\u603b\u663e\u793a\u6709\u95ee\u9898, \u63d0\u793a\u627e\u4e0d\u5230\u6587\u4ef6, \u6012\u4e86\u5728 nginx \u91cc\u5bf9\u81ea\u5df1\u7684 static \u6587\u4ef6\u5939\u53c8\u52a0\u4e86\u4e00\u6761 alias \u624d\u884c. \u540e\u6765\u60f3\u8fd9\u4e48\u5f31\u667a\u7684\u4e8b\u60c5\u4e0d\u4f1a\u662f django \u7684\u95ee\u9898, \u5c31\u53bb\u627e\u5b98\u65b9\u6587\u6863, \u5728 https:\/\/docs.djangoproject.com\/en\/dev\/howto\/static-files\/<\/a> \u91cc\u6765\u56de\u770b\u4e86\u51e0\u6b21\u624d\u53d1\u73b0\u6700\u540e\u6709\u4e00\u6bb5\u5173\u4e8e\u600e\u4e48 Deployment \u7684, \u539f\u6765\u8fd8\u8981\u6536\u96c6\u4e00\u6b21, \u4e5f\u8fd8\u662f\u8981\u52a0 static alias \u7684\u561b, \u53ea\u662f\u89e3\u51b3\u4e86\u4e3a\u4ec0\u4e48\u4e4b\u524d\u8981\u7ed9 static\/admin \u5355\u52a0\u4e00\u6761\u7684\u95ee\u9898. \u4ece\u8fd9\u4e2a\u89d2\u5ea6\u6765\u8bf4, django \u8fd8\u662f\u7565\u590d\u6742\u86cb\u75bc, flask \u5c31\u7b80\u5355\u7684\u591a, \u5b8c\u5168\u4ea4\u7ed9\u4f60\u81ea\u5df1\u53bb\u5f04, \u800c\u4e14 templates \u548c static \u90fd\u6c47\u96c6\u653e\u597d\u7ba1\u7406, \u6216\u8bb8 django \u662f\u4e3a\u4e86\u7ed9\u6bcf\u4e2a app \u5355\u72ec\u7684\u5206\u53d1\u6743?<\/p>\n
\u6027\u80fd\u4f18\u5316<\/strong><\/p>\n
\u996d\u56e2\u5f04\u597d\u540e\u5148\u662f\u67b6\u5728\u4e86\u516c\u53f8\u6211\u8dd1 Ubuntu Server \u7684\u53f0\u5f0f\u673a\u4e0a, \u76f4\u63a5\u5c31\u7528 runserver \u7684\u6a21\u5f0f\u8dd1\u7684. \u540e\u6765\u56e0\u4e3a\u53f0\u5f0f\u673a\u5076\u5c14\u4f1a\u6389\u7535, \u996d\u56e2\u6ca1\u8bbe\u5f00\u673a\u81ea\u52a8\u542f\u52a8, \u5076\u5c14\u4e5f\u4f1a\u5fd8\u4e86\u5f00, \u52a0\u4e0a\u5185\u7f51 IP \u4e0d\u4e00\u5b9a\u56fa\u5b9a, \u7528\u8d77\u6765\u8fd8\u662f\u6709\u70b9\u5c0f\u70e6, \u4e8e\u662f\u8fc1\u79fb\u5230\u6211\u7684 VPS \u4e0a<\/p>\n
\u6211\u8d2a\u4fbf\u5b9c 15$\/yr \u4e70\u7684 buyvm VPS, \u5185\u5b58\u53ea\u6709 128M, \u4e4b\u524d\u66fe\u7ecf\u5199\u8fc7\u4e00\u7bc7\u5404\u79cd\u538b\u69a8\u5185\u5b58\u7684\u4f18\u5316\u8bb0\u5f55, \u996d\u56e2\u4e22\u4e0a\u53bb\u5c31\u53d1\u73b0\u8fd9\u8d27\u5c45\u7136\u8fd8\u662f\u5185\u5b58\u5927\u6237, \u641c\u4e86\u4e0b\u6539\u6210\u7528 flup \u4ee5 fastcgi \u7684\u6a21\u5f0f\u8dd1, \u5e76\u628a\u5b9e\u4f8b\u538b\u5230\u53ea\u6709\u4e00\u4e2a, \u53cd\u6b63\u8bbf\u95ee\u4e5f\u4e0d\u9891\u7e41, \u4e0d\u7528\u5904\u7406\u5565\u5e76\u53d1. \u7528\u4e86\u5c0f\u534a\u5e74\u540e\u89c9\u5f97\u5076\u5c14\u6709\u70b9\u5361, \u4e0d\u8fc7\u4e00\u76f4\u8ba4\u4e3a\u662f buyvm \u7684\u673a\u5668\u70c2\u52a0\u4e0a\u670d\u52a1\u5668\u5728\u7f8e\u56fd\u591a\u534a\u662f\u7f51\u7edc\u5ef6\u8fdf, \u5c31\u6ca1\u518d\u7ba1\u4ed6<\/p>\n
\u7b49\u5230\u53bb\u5e74\u51ac\u5929\u7684\u65f6\u5019, \u53d1\u73b0\u8fd9\u6162\u7684\u5df2\u7ecf\u5b8c\u5168\u4e0d\u6210\u6837\u5b50\u4e86, \u800c\u4e14\u6709\u62a5\u9875\u9762\u8d85\u8fc7\u8fd4\u56de\u5927\u5c0f, \u5c06\u9ed8\u8ba4\u9875\u9762\u6539\u6210\u53ea\u770b\u6700\u8fd1\u4e00\u4e2a\u6708\u8fd9\u4e5f\u662f\u4e2a\u4e3b\u8981\u539f\u56e0, \u5f53\u65f6\u8fd8\u4ee5\u4e3a\u662f\u7f51\u7edc\u7684\u95ee\u9898\u5bfc\u81f4\u5361 (\u6211\u90a3\u4e2a vps \u8d70\u8054\u901a\u7ebf\u8def\u53ea\u6709\u4e0d\u5230 50KB\/s \u7684\u901f\u5ea6)<\/p>\n
\u4eca\u5e74\u8fc7\u5b8c\u5e74, \u5728\u60f3\u5728\u65b0\u56e2\u961f\u662f\u4e0d\u662f\u4e5f\u80fd\u642d\u4e2a\u8fd9\u8d27\u73a9, \u628a\u4e4b\u524d\u7684\u6570\u636e\u62f7\u8d1d\u5230\u672c\u5730\u53bb\u6d4b\u8bd5\u4e86\u4e0b\u5404\u9879\u529f\u80fd, \u53d1\u73b0\u6253\u5f00\u9996\u9875\u9700\u8981\u63a5\u8fd1 10 \u79d2, \u8fd9\u90fd\u662f\u672c\u5730\u4e86, \u4e0d\u80fd\u518d\u8d56\u7f51\u7edc, \u4e8e\u662f\u52a0\u5404\u79cd Debug \u4fe1\u606f\u53bb\u770b\u5230\u5e95\u6162\u5230\u54ea\u91cc. \u5b9e\u65f6\u7684\u4f59\u989d\u8ba1\u7b97\u6d41\u7a0b\u5927\u6982\u662f\u8fd9\u6837<\/p>\n
\r\n    \u904d\u5386\u6240\u6709\u996d:\r\n        \u83b7\u53d6\u996d\u7684\u4fe1\u606f, \u5305\u62ec\u5173\u8054\u7684\u9910\u5385\u548c\u4ed8\u6b3e\u4eba\u7b49\r\n        \u904d\u5386\u6240\u6709\u4eba\r\n            \u5224\u65ad\u662f\u5426\u53c2\u52a0\u4e86\u672c\u987f\u996d, \u5982\u679c\u6ca1\u6709\r\n                \u76f4\u63a5\u6cbf\u7528\u4e0a\u6761\u8bb0\u5f55\r\n            \u5982\u679c\u6709\r\n                \u5224\u65ad\u662f\u5426\u662f\u4ed8\u6b3e\u4eba, \u5982\u679c\u662f\r\n                    \u589e\u52a0\u672c\u987f\u996d\u603b\u989d\u6263\u6389\u81ea\u5df1\u90a3\u4efd\u7684\u8fdb\u4f59\u989d\r\n                \u5982\u679c\u4e0d\u662f\r\n                    \u4ece\u4f59\u989d\u91cc\u6263\u6389\u672c\u987f\u996d\u94b1\r\n        \u6dfb\u52a0\u8f93\u51fa\u4fe1\u606f\r\n<\/pre>\n
\u8fd9\u91cc\u9762\u7684\u53c2\u56e2\u5224\u65ad\u662f\u7528 O(n^2) \u904d\u5386\u5b9e\u73b0\u7684, \u4e00\u5f00\u59cb\u5c31\u5341\u6765\u4e2a\u4eba, \u5c31\u7b97\u662f\u5e73\u65b9\u590d\u6742\u5ea6\u4e5f\u80fd\u6162\u5230\u54ea\u91cc\u53bb, \u7ed3\u679c\u4e00\u5806 debug \u4fe1\u606f\u653e\u4e0b\u53bb\u90a3\u4e2a\u5730\u65b9\u8fd8\u771f\u662f\u7279\u522b\u6162. \u4ed4\u7ec6\u60f3\u4e86\u4e0b\u4f30\u8ba1\u662f\u90a3\u4e2a\u904d\u5386\u6240\u6709\u4eba\u505a\u5224\u65ad\u7684\u5730\u65b9, \u6bcf\u6b21\u90fd\u65b0\u505a\u4e86\u4e00\u6b21 SQL \u67e5\u8be2, \u597d\u5427, \u628a\u5224\u65ad\u7528\u7684\u8868\u5148\u904d\u5386\u4e00\u6b21\u63d0\u51fa\u6765\u505a\u4e2a dict, \u679c\u7136\u5feb\u4e86\u4e00\u4e9b. \u7ecf\u8fc7\u8fd9\u6b65\u540e\u8017\u65f6\u4ece 10s \u964d\u5230 1s, \u611f\u89c9\u518d\u5feb\u4e5f\u5feb\u4e0d\u8fc7\u8de8\u592a\u5e73\u6d0b\u7684\u7f51\u7edc\u8017\u65f6, \u5c31\u6ca1\u518d\u7ee7\u7eed\u538b\u69a8\u6027\u80fd<\/p>\n
\u4e0a\u4e00\u4e2a\u6539\u52a8\u505a\u5b8c\u6ca1\u51e0\u5929\u7b28\u72d7\u6298\u817e\u4e86\u4e2a digitalocean \u7684 VPS \u73a9, \u8fd9\u4e2a\u5ef6\u8fdf\u53c8\u4f4e\u901f\u5ea6\u53c8\u5feb, \u4e8e\u662f\u6709\u60f3\u7740\u5bf9\u90a3\u4e2a 1s \u7684\u6027\u80fd\u505a\u4f18\u5316, \u6309\u8bf4\u8fd9\u4e48\u70b9\u6570\u636e\u8981 0.1 \u79d2\u90fd\u4e0d\u6b63\u5e38. \u7ee7\u7eed\u7422\u78e8, \u731c\u662f\u6bcf\u6b21\u53d6\u4e00\u987f\u996d, \u90fd\u505a\u4e86\u82e5\u5e72\u6b21 SQL \u67e5\u8be2\u53bb\u53d6\u5916\u952e\u6570\u636e, \u4e8e\u662f\u628a\u4eba\u548c\u9910\u5385\u7684\u6570\u636e\u90fd\u9884\u5148\u63d0\u53d6\u51fa\u6765\u6784\u5efa dict, \u7136\u540e\u67e5\u8be2\u7684\u65f6\u5019\u4f7f\u7528\u5c31\u597d, \u8fd9\u6837\u53c8\u80fd\u5feb\u4e00\u70b9. \u518d\u56de\u5934\u53bb\u770b\u90a3\u4e2a\u591a\u51fa\u6765\u7684\u8f85\u52a9\u8868, \u731c\u662f\u90a3\u4e2a\u8868\u6bcf\u904d\u5386\u4e00\u987f\u996d\u53c8\u53bb\u505a\u4e86\u4e00\u6b21\u67e5\u8be2, \u5e72\u8106\u81ea\u5df1\u628a view \u91cc\u7684\u67e5\u8be2\u90fd\u88f8\u5199, \u6bcf\u6b21\u9875\u9762\u8bf7\u6c42\u90fd\u628a\u56db\u4e2a\u8868\u6570\u636e\u90fd select * \u51fa\u6765, \u7136\u540e\u81ea\u5df1\u53bb\u62fc, \u53cd\u6b63\u6570\u636e\u4e5f\u4e0d\u590d\u6742, \u8fd9\u6837\u4e00\u6b21\u9875\u9762\u8bf7\u6c42\u53ea\u7528\u56db\u6b21 SQL \u67e5\u8be2, \u679c\u7136\u901f\u5ea6\u5c31\u964d\u5230\u4e86 0.01s \u5185. \u56e0\u4e3a\u6570\u636e\u91cf\u4e0d\u5927, \u5bf9\u5185\u5b58\u538b\u529b\u4e5f\u51e0\u4e4e\u6ca1\u6709, \u800c\u4e14 digitalocean \u7684\u5185\u5b58\u6709 512M, \u4e5f\u4e0d\u7528\u90a3\u4e48\u62a0\u5185\u5b58<\/p>\n
\u95ee\u9898\u611f\u60f3<\/strong><\/p>\n
\u6211\u4e2d\u95f4\u66fe\u7ecf\u60f3\u8981\u4e0d\u8981\u6362 flask \u91cd\u5199\u4e00\u6b21, \u81ea\u5df1\u7ba1\u6570\u636e\u5e93, \u540e\u6765\u627e\u5230\u6027\u80fd\u74f6\u9888\u540e\u8fd8\u662f\u7559\u5728\u4e86 django \u90a3, \u80fd\u7528\u5c31\u61d2\u5f97\u53bb\u52a8, \u800c\u4e14\u81ea\u5df1\u5199\u4e2a admin \u8fd8\u662f\u7565\u9ebb\u70e6<\/p>\n
\u8ddf\u718a\u5410\u69fd django \u7684 ORM \u600e\u4e48\u8fd9\u4e48\u70c2, \u6df1\u5ea6\u63d2\u4ef6\u63a7\u7684\u718a\u8868\u793a\u4f60\u8fd9\u4e2a\u4e00\u5b9a\u6709\u5408\u9002\u63d2\u4ef6\u6765\u5e2e\u4f60\u5e72\u8fd9\u4e8b\u800c\u4e0d\u662f\u9760\u81ea\u5df1\u88f8\u5199 SQL \u7684, \u4e0d\u8fc7\u7b28\u72d7\u8868\u793a\u6709\u627e\u63d2\u4ef6\u548c\u914d\u7f6e\u7684\u65f6\u95f4, \u6211\u88f8\u5199\u7684\u4e1c\u897f\u65e9\u641e\u5b8c\u4e86. \u679c\u7136\u7b28\u72d7\u8fd8\u662f\u53c8\u7b28\u53c8\u61d2, \u8fd8\u597d\u76ee\u524d\u770b\u4e5f\u8fd8\u6ca1\u592a\u591a\u7bd3\u5b50<\/p>\n
\u5bf9\u4e86, \u996d\u56e2\u7684 github \u5f00\u6e90\u5730\u5740\u5728: https:\/\/github.com\/whusnoopy\/fantuan<\/a>, \u6b22\u8fce fork \u5e2e\u5fd9\u4f18\u5316<\/p>\n
\u6700\u540e\u6302\u4e2a DigitalOcean \u7684\u9080\u8bf7\u94fe\u63a5: https:\/\/www.digitalocean.com\/?refcode=8a3c1464993e<\/a> \u5982\u679c\u4f60\u901a\u8fc7\u8fd9\u4e2a\u6ce8\u518c\u5e76\u4ed8\u6b3e, \u6211\u4f1a\u6709\u8fd4\u70b9\u652f\u6301\u6211\u7ee7\u7eed\u7528 DO<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7f18\u8d77 \u524d\u5e74\u51ac\u5929\u5728\u4eba\u4eba\u65f6, \u4e3a\u4e86\u65b9\u4fbf\u7ec4\u91cc\u4e00\u8d77\u5403\u996d\u7684\u540c\u5b66\u4eec\u4e92\u76f8\u7b97\u8d26, \u53c2\u8003\u4ee5\u524d\u5ea6\u5382\u7684\u996d\u56e2\u8bbe\u7f6e, \u5728\u56e2\u961f\u91cc\u62c9\u8d77\u4e00\u4e2a\u996d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[7],"tags":[55,452,442],"class_list":["post-1874","post","type-post","status-publish","format-standard","hentry","category-tech-notes","tag-django","tag-fantuan","tag-442"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4aR5e-ue","_links":{"self":[{"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/posts\/1874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/comments?post=1874"}],"version-history":[{"count":6,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/posts\/1874\/revisions"}],"predecessor-version":[{"id":1889,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/posts\/1874\/revisions\/1889"}],"wp:attachment":[{"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/media?parent=1874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/categories?post=1874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yewen.us\/blog\/wp-json\/wp\/v2\/tags?post=1874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}