{"id":187352,"date":"2024-11-11T13:33:18","date_gmt":"2024-11-11T05:33:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187352\/"},"modified":"2024-11-11T13:33:19","modified_gmt":"2024-11-11T05:33:19","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e6%aa%94%e5%ad%98%e5%84%b2%e6%8c%87%e5%8d%97%ef%bc%9a%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e7%ae%a1%e7%90%86%e5%92%8c%e5%ae%89%e5%85%a8%e5%ad%98%e5%84%b2%ef%bc%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187352\/","title":{"rendered":"\u6578\u64da\u5eab\u6587\u6a94\u5b58\u5132\u6307\u5357\uff1a\u5be6\u73fe\u9ad8\u6548\u7ba1\u7406\u548c\u5b89\u5168\u5b58\u5132\uff01 (\u6587\u6a94\u5982\u4f55\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d)"},"content":{"rendered":"

\u6578\u64da\u5eab\u6587\u6a94\u5b58\u5132\u6307\u5357\uff1a\u5be6\u73fe\u9ad8\u6548\u7ba1\u7406\u548c\u5b89\u5168\u5b58\u5132\uff01<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u5b58\u5132\u65b9\u5f0f\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662f\u6587\u6a94\u7684\u5b58\u5132\uff0c\u7121\u8ad6\u662f\u5408\u540c\u3001\u5831\u544a\u9084\u662f\u5176\u4ed6\u985e\u578b\u7684\u6587\u4ef6\uff0c\u5982\u4f55\u6709\u6548\u5730\u5c07\u9019\u4e9b\u6587\u6a94\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u78ba\u4fdd\u5176\u5b89\u5168\u6027\uff0c\u90fd\u662f\u6bcf\u500b\u4f01\u696d\u9700\u8981\u8003\u616e\u7684\u554f\u984c\u3002<\/p>\n

\u6587\u6a94\u5b58\u5132\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u6587\u6a94\u5b58\u5132\u662f\u6307\u5c07\u5404\u985e\u6587\u6a94\u6578\u64da\u4ee5\u7d50\u69cb\u5316\u6216\u975e\u7d50\u69cb\u5316\u7684\u65b9\u5f0f\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u3002\u9019\u4e9b\u6587\u6a94\u53ef\u4ee5\u662fPDF\u3001Word\u6587\u6a94\u3001\u5716\u7247\u7b49\u3002\u6839\u64da\u4e0d\u540c\u7684\u9700\u6c42\uff0c\u4f01\u696d\u53ef\u4ee5\u9078\u64c7\u4e0d\u540c\u7684\u5b58\u5132\u65b9\u5f0f\u3002<\/p>\n

1. \u7d50\u69cb\u5316\u5b58\u5132<\/h3>\n

\u7d50\u69cb\u5316\u5b58\u5132\u662f\u6307\u5c07\u6587\u6a94\u7684\u5143\u6578\u64da\uff08\u5982\u6a19\u984c\u3001\u4f5c\u8005\u3001\u5275\u5efa\u65e5\u671f\u7b49\uff09\u5b58\u5132\u5728\u6578\u64da\u5eab\u7684\u8868\u4e2d\uff0c\u800c\u6587\u6a94\u672c\u8eab\u5247\u5b58\u5132\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\u6216\u4f7f\u7528BLOB\uff08Binary Large Object\uff09\u985e\u578b\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u512a\u9ede\u5728\u65bc\u53ef\u4ee5\u65b9\u4fbf\u5730\u9032\u884c\u67e5\u8a62\u548c\u7ba1\u7406\u3002<\/p>\n

CREATE TABLE documents (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    title VARCHAR(255),\n    author VARCHAR(100),\n    created_at DATETIME,\n    file_data BLOB\n);<\/code><\/pre>\n
2. \u975e\u7d50\u69cb\u5316\u5b58\u5132<\/h3>\n
\u975e\u7d50\u69cb\u5316\u5b58\u5132\u5247\u662f\u5c07\u6587\u6a94\u76f4\u63a5\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528BLOB\u6216TEXT\u985e\u578b\u3002\u9019\u7a2e\u65b9\u5f0f\u9069\u5408\u65bc\u9700\u8981\u983b\u7e41\u8b80\u53d6\u548c\u5beb\u5165\u7684\u6587\u6a94\uff0c\u4f46\u5728\u67e5\u8a62\u548c\u7ba1\u7406\u4e0a\u53ef\u80fd\u6703\u76f8\u5c0d\u56f0\u96e3\u3002<\/p>\n
CREATE TABLE documents (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    document_data BLOB\n);<\/code><\/pre>\n
\u6587\u6a94\u5b58\u5132\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n
1. \u78ba\u4fdd\u6578\u64da\u5b89\u5168<\/h3>\n
\u6578\u64da\u5b89\u5168\u662f\u6587\u6a94\u5b58\u5132\u4e2d\u6700\u91cd\u8981\u7684\u8003\u91cf\u4e4b\u4e00\u3002\u4f01\u696d\u61c9\u8a72\u63a1\u53d6\u52a0\u5bc6\u6280\u8853\u4f86\u4fdd\u8b77\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u7684\u6587\u6a94\uff0c\u4e26\u78ba\u4fdd\u53ea\u6709\u6388\u6b0a\u7528\u6236\u53ef\u4ee5\u8a2a\u554f\u9019\u4e9b\u6578\u64da\u3002<\/p>\n
2. \u5b9a\u671f\u5099\u4efd<\/h3>\n
\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\u4e2d\u7684\u6587\u6a94\u662f\u9632\u6b62\u6578\u64da\u4e1f\u5931\u7684\u6709\u6548\u63aa\u65bd\u3002\u4f01\u696d\u61c9\u8a72\u5236\u5b9a\u5099\u4efd\u8a08\u5283\uff0c\u4e26\u78ba\u4fdd\u5099\u4efd\u6578\u64da\u7684\u5b89\u5168\u5b58\u5132\u3002<\/p>\n
3. \u4f7f\u7528\u7d22\u5f15\u63d0\u9ad8\u67e5\u8a62\u6548\u7387<\/h3>\n
\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u4f01\u696d\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u4e2d\u70ba\u6587\u6a94\u7684\u5143\u6578\u64da\u5efa\u7acb\u7d22\u5f15\u3002\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6587\u6a94\u6642\u3002<\/p>\n
CREATE INDEX idx_title ON documents (title);<\/code><\/pre>\n
\u6587\u6a94\u5b58\u5132\u7684\u6280\u8853\u9078\u64c7<\/h2>\n
\u5728\u9078\u64c7\u6587\u6a94\u5b58\u5132\u6280\u8853\u6642\uff0c\u4f01\u696d\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982MySQL\u3001PostgreSQL\uff09\u6216\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982MongoDB\uff09\u3002\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9069\u5408\u65bc\u7d50\u69cb\u5316\u6578\u64da\u7684\u5b58\u5132\uff0c\u800c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u5247\u66f4\u9069\u5408\u65bc\u975e\u7d50\u69cb\u5316\u6578\u64da\u7684\u5b58\u5132\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
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