{"id":185724,"date":"2024-11-10T23:58:22","date_gmt":"2024-11-10T15:58:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185724\/"},"modified":"2024-11-10T23:58:23","modified_gmt":"2024-11-10T15:58:23","slug":"%e6%89%8b%e5%af%ab%e4%b8%80%e5%80%8b%e7%b0%a1%e5%96%ae%e7%9a%84database7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185724\/","title":{"rendered":"\u624b\u5beb\u4e00\u500b\u7c21\u55ae\u7684Database7"},"content":{"rendered":"

\u624b\u5beb\u4e00\u500b\u7c21\u55ae\u7684Database7<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u624b\u5beb\u4e00\u500b\u7c21\u55ae\u7684Database7\uff0c\u9019\u662f\u4e00\u500b\u57fa\u65bc\u6587\u4ef6\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u9069\u5408\u7528\u65bc\u5b78\u7fd2\u548c\u5c0f\u578b\u9805\u76ee\u3002<\/p>\n

\u4ec0\u9ebc\u662fDatabase7\uff1f<\/h2>\n

Database7\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u65e8\u5728\u63d0\u4f9b\u57fa\u672c\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u529f\u80fd\u3002\u5b83\u7684\u8a2d\u8a08\u7406\u5ff5\u662f\u7c21\u55ae\u6613\u7528\uff0c\u9069\u5408\u521d\u5b78\u8005\u548c\u5c0f\u578b\u61c9\u7528\u3002Database7\u652f\u6301\u57fa\u672c\u7684CRUD\uff08\u5275\u5efa\u3001\u8b80\u53d6\u3001\u66f4\u65b0\u3001\u522a\u9664\uff09\u64cd\u4f5c\uff0c\u4e26\u4e14\u53ef\u4ee5\u901a\u904e\u7c21\u55ae\u7684\u6587\u4ef6\u64cd\u4f5c\u4f86\u5be6\u73fe\u6578\u64da\u7684\u6301\u4e45\u5316\u3002<\/p>\n

Database7\u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n

\u5728\u958b\u59cb\u7de8\u5bebDatabase7\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u78ba\u5b9a\u6578\u64da\u5eab\u7684\u57fa\u672c\u7d50\u69cb\u3002Database7\u5c07\u6578\u64da\u5b58\u5132\u5728\u6587\u672c\u6587\u4ef6\u4e2d\uff0c\u6bcf\u4e00\u884c\u4ee3\u8868\u4e00\u689d\u8a18\u9304\u3002\u6bcf\u689d\u8a18\u9304\u7531\u591a\u500b\u5b57\u6bb5\u7d44\u6210\uff0c\u5b57\u6bb5\u4e4b\u9593\u7528\u9017\u865f\u5206\u9694\u3002\u4ee5\u4e0b\u662fDatabase7\u7684\u57fa\u672c\u7d50\u69cb\u793a\u4f8b\uff1a<\/p>\n

\nid,name,age\n1,\u5f35\u4e09,25\n2,\u674e\u56db,30\n3,\u738b\u4e94,22\n<\/code><\/pre>\n
\u624b\u5bebDatabase7\u7684\u6b65\u9a5f<\/h2>\n
1. \u5275\u5efa\u6578\u64da\u5eab\u6587\u4ef6<\/h3>\n
\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u6587\u672c\u6587\u4ef6\u4f86\u5b58\u5132\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5167\u5efa\u51fd\u6578\u4f86\u5275\u5efa\u6587\u4ef6\uff1a<\/p>\n
\ndef create_database(file_name):\n    with open(file_name, 'w') as f:\n        f.write(\"id,name,agen\")  # \u5beb\u5165\u8868\u982d\n<\/code><\/pre>\n
2. \u6dfb\u52a0\u6578\u64da<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u7de8\u5beb\u4e00\u500b\u51fd\u6578\u4f86\u6dfb\u52a0\u6578\u64da\u5230\u6578\u64da\u5eab\u4e2d\u3002\u9019\u500b\u51fd\u6578\u5c07\u63a5\u6536\u4e00\u500b\u5b57\u5178\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u5c07\u5176\u5beb\u5165\u6587\u4ef6\uff1a<\/p>\n
\ndef add_record(file_name, record):\n    with open(file_name, 'a') as f:\n        f.write(f\"{record['id']},{record['name']},{record['age']}n\")\n<\/code><\/pre>\n
3. \u8b80\u53d6\u6578\u64da<\/h3>\n
\u70ba\u4e86\u5f9e\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u6578\u64da\uff0c\u6211\u5011\u9700\u8981\u7de8\u5beb\u4e00\u500b\u51fd\u6578\u4f86\u8b80\u53d6\u6587\u4ef6\u4e26\u8fd4\u56de\u6240\u6709\u8a18\u9304\uff1a<\/p>\n
\ndef read_records(file_name):\n    records = []\n    with open(file_name, 'r') as f:\n        for line in f.readlines()[1:]:  # \u8df3\u904e\u8868\u982d\n            id, name, age = line.strip().split(',')\n            records.append({'id': id, 'name': name, 'age': age})\n    return records\n<\/code><\/pre>\n
4. \u66f4\u65b0\u6578\u64da<\/h3>\n
\u66f4\u65b0\u6578\u64da\u7684\u904e\u7a0b\u7a0d\u5fae\u8907\u96dc\u4e00\u4e9b\uff0c\u6211\u5011\u9700\u8981\u8b80\u53d6\u6240\u6709\u8a18\u9304\uff0c\u4fee\u6539\u6307\u5b9a\u7684\u8a18\u9304\uff0c\u7136\u5f8c\u91cd\u65b0\u5beb\u5165\u6587\u4ef6\uff1a<\/p>\n
\ndef update_record(file_name, record):\n    records = read_records(file_name)\n    with open(file_name, 'w') as f:\n        f.write(\"id,name,agen\")  # \u5beb\u5165\u8868\u982d\n        for r in records:\n            if r['id'] == record['id']:\n                f.write(f\"{record['id']},{record['name']},{record['age']}n\")\n            else:\n                f.write(f\"{r['id']},{r['name']},{r['age']}n\")\n<\/code><\/pre>\n
5. \u522a\u9664\u6578\u64da<\/h3>\n
\u522a\u9664\u6578\u64da\u7684\u908f\u8f2f\u8207\u66f4\u65b0\u985e\u4f3c\uff0c\u6211\u5011\u9700\u8981\u904e\u6ffe\u6389\u8981\u522a\u9664\u7684\u8a18\u9304\uff1a<\/p>\n
\ndef delete_record(file_name, record_id):\n    records = read_records(file_name)\n    with open(file_name, 'w') as f:\n        f.write(\"id,name,agen\")  # \u5beb\u5165\u8868\u982d\n        for r in records:\n            if r['id'] != record_id:\n                f.write(f\"{r['id']},{r['name']},{r['age']}n\")\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u6210\u529f\u5730\u624b\u5beb\u4e86\u4e00\u500b\u7c21\u55ae\u7684Database7\u3002\u9019\u500b\u6578\u64da\u5eab\u7cfb\u7d71\u96d6\u7136\u7c21\u55ae\uff0c\u4f46\u537b\u80fd\u5920\u6eff\u8db3\u57fa\u672c\u7684\u6578\u64da\u5b58\u5132\u9700\u6c42\u3002\u5c0d\u65bc\u60f3\u8981\u6df1\u5165\u5b78\u7fd2\u6578\u64da\u5eab\u7ba1\u7406\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u500b\u5f88\u597d\u7684\u8d77\u9ede\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u66f4\u5feb\u7684\u6578\u64da\u8655\u7406\u901f\u5ea6\u548c\u66f4\u9ad8\u7684\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u624b\u5beb\u4e00\u500b\u7c21\u55ae\u7684Database\uff0c\u5b78\u7fd2\u57fa\u672c\u7684\u6578\u64da\u7d50\u69cb\u8207\u64cd\u4f5c\uff0c\u63d0\u5347\u8cc7\u6599\u7ba1\u7406\u8207\u7de8\u7a0b\u6280\u80fd\uff0c\u9069\u5408\u521d\u5b78\u8005\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-185724","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185724","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=185724"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185724\/revisions"}],"predecessor-version":[{"id":185725,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185724\/revisions\/185725"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}