{"id":6553,"date":"2026-02-05T09:50:16","date_gmt":"2026-02-05T01:50:16","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/cn\/designing-a-robust-library-management-system-from-concept-to-reality\/"},"modified":"2026-02-05T09:50:16","modified_gmt":"2026-02-05T01:50:16","slug":"designing-a-robust-library-management-system-from-concept-to-reality","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/cn\/designing-a-robust-library-management-system-from-concept-to-reality\/","title":{"rendered":"\u8bbe\u8ba1\u4e00\u4e2a\u7a33\u5065\u7684\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\uff1a\u4ece\u6982\u5ff5\u5230\u73b0\u5b9e"},"content":{"rendered":"<h2><strong>\u5f15\u8a00<\/strong><\/h2>\n<p>\u5728\u6570\u5b57\u9769\u547d\u7684\u65f6\u4ee3\u80cc\u666f\u4e0b\uff0c\u56fe\u4e66\u9986\u5728\u4f20\u64ad\u77e5\u8bc6\u548c\u57f9\u517b\u4eba\u4eec\u5bf9\u6587\u5b66\u7684\u70ed\u7231\u65b9\u9762\u4f9d\u7136\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u4e3a\u4e86\u786e\u4fdd\u8fd9\u4e9b\u77e5\u8bc6\u5723\u6bbf\u7684\u9ad8\u6548\u8fd0\u4f5c\uff0c\u4e00\u4e2a\u7ed3\u6784\u5408\u7406\u7684\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\uff08LMS\uff09\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u5728\u672c\u6848\u4f8b\u7814\u7a76\u4e2d\uff0c\u6211\u4eec\u5c06\u8e0f\u4e0a\u8bbe\u8ba1\u4e00\u4e2a\u5168\u9762LMS\u7684\u65c5\u7a0b\uff0c\u4ece\u6982\u5ff5\u6784\u601d\u5230\u5b9e\u9645\u5b9e\u65bd\u3002\u6211\u4eec\u7684\u76ee\u6807\u662f\u5c55\u793a\u5c06\u9ad8\u5c42\u6b21\u6982\u5ff5\u9010\u6b65\u8f6c\u5316\u4e3a\u4e00\u4e2a\u7cbe\u7ec6\u8c03\u6821\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u8fc7\u7a0b\uff0c\u4ee5\u6ee1\u8db3\u7e41\u5fd9\u56fe\u4e66\u9986\u7684\u9700\u6c42\u3002<\/p>\n<h2>\u4ece\u7c7b\u5efa\u6a21\u5230\u6570\u636e\u5e93\u5efa\u6a21<\/h2>\n<p>\u8ba9\u6211\u4eec\u4e00\u6b65\u6b65\u63a2\u8ba8\u4ece\u7c7b\u56fe\u5230\u6982\u5ff5ER\u56fe\uff08\u5b9e\u4f53\u5173\u7cfb\u56fe\uff09\u3001\u903b\u8f91ER\u56fe\u3001\u7269\u7406ER\u56fe\u4ee5\u53ca\u89c4\u8303\u5316\u6b65\u9aa4\u7684\u6570\u636e\u5e93\u6a21\u5f0f\u5f00\u53d1\u8fc7\u7a0b\u3002\u6211\u4eec\u5c06\u4ee5\u4e00\u4e2a\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\u7684\u5047\u8bbe\u6848\u4f8b\u7814\u7a76\u4e3a\u4f8b\u3002<\/p>\n<h3><strong>\u6848\u4f8b\u7814\u7a76\uff1a\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf<\/strong><\/h3>\n<p><strong>\u6b65\u9aa41\uff1a\u4ece\u7c7b\u56fe\u5230\u6982\u5ff5ER\u56fe<\/strong><\/p>\n<p>\u5728\u521d\u59cb\u9636\u6bb5\uff0c\u6211\u4eec\u4ece\u4e00\u4e2a\u8868\u793a\u7cfb\u7edf\u9ad8\u5c42\u7ed3\u6784\u7684\u7c7b\u56fe\u5f00\u59cb\u3002\u4ee5\u4e0b\u662f\u6211\u4eec\u7684\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\u7684\u4e00\u4e2a\u7b80\u5316\u7c7b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_6503e9538d2cc.png\"\/><\/p>\n<p>\u4ece\u8fd9\u4e2a\u7c7b\u56fe\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6982\u5ff5ER\u56fe\uff1a<\/p>\n<p><strong>\u6982\u5ff5ER\u56fe\uff1a<\/strong><\/p>\n<ul>\n<li>\u5b9e\u4f53\uff1a\n<ul>\n<li>\u56fe\u4e66<\/li>\n<li>\u4f5c\u8005<\/li>\n<li>\u6210\u5458<\/li>\n<li>\u501f\u9605<\/li>\n<\/ul>\n<\/li>\n<li>\u5173\u7cfb\uff1a\n<ul>\n<li>\u4e00\u672c\u4e66\u53ef\u4ee5\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u4f5c\u8005\u64b0\u5199\u3002<\/li>\n<li>\u4e00\u4e2a\u6210\u5458\u53ef\u4ee5\u501f\u9605\u96f6\u672c\u6216\u591a\u672c\u56fe\u4e66\u3002<\/li>\n<li>\u4e00\u672c\u4e66\u5728\u540c\u4e00\u65f6\u95f4\u53ef\u4ee5\u88ab\u96f6\u4e2a\u6216\u4e00\u4e2a\u6210\u5458\u501f\u9605\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa42\uff1a\u4ece\u6982\u5ff5ER\u56fe\u5230\u903b\u8f91ER\u56fe<\/strong><\/p>\n<p>\u5728\u6b64\u6b65\u9aa4\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6dfb\u52a0\u5c5e\u6027\u5e76\u660e\u786e\u57fa\u6570\u6765\u4f18\u5316\u6982\u5ff5ER\u56fe\uff1a<\/p>\n<p><strong>\u903b\u8f91ER\u56fe\uff1a<\/strong><\/p>\n<ul>\n<li>\u5b9e\u4f53\uff1a\n<ul>\n<li>\u56fe\u4e66\uff08ISBN\uff0c\u4e66\u540d\uff0c\u7c7b\u578b\uff0c\u51fa\u7248\u5e74\u4efd\uff0c\u2026\u2026\uff09<\/li>\n<li>\u4f5c\u8005\uff08\u4f5c\u8005ID\uff0c\u540d\uff0c\u59d3\uff0c\u2026\u2026\uff09<\/li>\n<li>\u6210\u5458\uff08\u6210\u5458ID\uff0c\u540d\uff0c\u59d3\uff0c\u7535\u5b50\u90ae\u4ef6\uff0c\u2026\u2026\uff09<\/li>\n<li>\u501f\u9605\uff08\u501f\u9605ID\uff0c\u501f\u51fa\u65e5\u671f\uff0c\u5230\u671f\u65e5\u671f\uff0c\u2026\u2026\uff09<\/li>\n<\/ul>\n<\/li>\n<li>\u5173\u7cfb\uff1a\n<ul>\n<li>\u56fe\u4e66-\u4f5c\u8005\uff08\u56fe\u4e66ISBN\uff0c\u4f5c\u8005ID\uff09\n<ul>\n<li>\u57fa\u6570\uff1a\u591a\u5bf9\u591a<\/li>\n<\/ul>\n<\/li>\n<li>MemberLoan (MemberID, LoanID)\n<ul>\n<li>\u57fa\u6570\uff1a\u4e00\u5bf9\u591a\uff08\u4e00\u4e2a\u6210\u5458\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u8d37\u6b3e\uff09<\/li>\n<\/ul>\n<\/li>\n<li>BookLoan (LoanID, BookISBN)\n<ul>\n<li>\u57fa\u6570\uff1a\u591a\u5bf9\u591a\uff08\u4e00\u4e2a\u8d37\u6b3e\u53ef\u4ee5\u5305\u542b\u591a\u672c\u4e66\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa43\uff1a\u4ece\u903b\u8f91ERD\u5230\u7269\u7406ERD<\/strong><\/p>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u901a\u8fc7\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\u3001\u4e3b\u952e\u3001\u5916\u952e\u4ee5\u53ca\u6240\u9009\u6570\u636e\u5e93\u7cfb\u7edf\uff08\u4f8b\u5982\uff0cPostgreSQL\u3001MySQL\uff09\u7279\u6709\u7684\u5176\u4ed6\u7ea6\u675f\uff0c\u5c06\u903b\u8f91ERD\u8f6c\u6362\u4e3a\u7269\u7406ERD\u3002<\/p>\n<p><strong>\u7269\u7406ERD\uff1a<\/strong><\/p>\n<ul>\n<li>\u8868\uff1a\n<ul>\n<li>Book (ISBN [PK], Title, Genre, PublishYear, \u2026)<\/li>\n<li>Author (AuthorID [PK], FirstName, LastName, \u2026)<\/li>\n<li>Member (MemberID [PK], FirstName, LastName, Email, \u2026)<\/li>\n<li>Loan (LoanID [PK], LoanDate, DueDate, \u2026)<\/li>\n<\/ul>\n<\/li>\n<li>\u5173\u7cfb\uff1a\n<ul>\n<li>BookAuthor (BookISBN [FK], AuthorID [FK])<\/li>\n<li>MemberLoan (MemberID [FK], LoanID [FK])<\/li>\n<li>BookLoan (LoanID [FK], BookISBN [FK])<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa44\uff1a\u89c4\u8303\u5316<\/strong><\/p>\n<p>\u5728\u6b64\u6b65\u9aa4\u4e2d\uff0c\u6211\u4eec\u786e\u4fdd\u6570\u636e\u5e93\u6a21\u5f0f\u5df2\u89c4\u8303\u5316\uff0c\u4ee5\u51cf\u5c11\u6570\u636e\u5197\u4f59\u5e76\u63d0\u9ad8\u6570\u636e\u5b8c\u6574\u6027\u3002\u5728\u7269\u7406ERD\u4e2d\uff0c\u8fd9\u4e9b\u8868\u5df2\u7ecf\u5904\u4e8e\u5408\u7406\u7684\u89c4\u8303\u5316\u72b6\u6001\u3002<\/p>\n<p><strong>\u6b65\u9aa45\uff1a\u6570\u636e\u5e93\u6a21\u5f0f\u5f00\u53d1<\/strong><\/p>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528SQL\u6216\u6570\u636e\u5e93\u5efa\u6a21\u5de5\u5177\u5728\u6240\u9009\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u6570\u636e\u5e93\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u521b\u5efa\u8868\u7684\u793a\u4f8bSQL\u811a\u672c\uff1a<\/p>\n<p>CREATE TABLE Book (<br \/>\nISBN VARCHAR(13) PRIMARY KEY,<br \/>\nTitle VARCHAR(255),<br \/>\nGenre VARCHAR(50),<br \/>\nPublishYear INT,<br \/>\n\u2014 \u5176\u4ed6\u5c5e\u6027<br \/>\n);<\/p>\n<p>CREATE TABLE Author (<br \/>\nAuthorID INT PRIMARY KEY,<br \/>\nFirstName VARCHAR(50),<br \/>\n\u59d3\u6c0f VARCHAR(50)\uff0c<br \/>\n\u2014 \u5176\u4ed6\u5c5e\u6027<br \/>\n);<\/p>\n<p>\u521b\u5efa\u8868 Member (<br \/>\nMemberID INT \u4e3b\u952e\uff0c<br \/>\n\u540d\u5b57 VARCHAR(50)\uff0c<br \/>\n\u59d3\u6c0f VARCHAR(50)\uff0c<br \/>\n\u7535\u5b50\u90ae\u4ef6 VARCHAR(255)\uff0c<br \/>\n\u2014 \u5176\u4ed6\u5c5e\u6027<br \/>\n);<\/p>\n<p>\u521b\u5efa\u8868 Loan (<br \/>\nLoanID INT \u4e3b\u952e\uff0c<br \/>\n\u501f\u51fa\u65e5\u671f DATE\uff0c<br \/>\n\u5230\u671f\u65e5\u671f DATE\uff0c<br \/>\n\u2014 \u5176\u4ed6\u5c5e\u6027<br \/>\n);<\/p>\n<p>\u521b\u5efa\u8868 BookAuthor (<br \/>\nBookISBN VARCHAR(13)\uff0c<br \/>\nAuthorID INT\uff0c<br \/>\n\u5916\u952e (BookISBN) \u53c2\u8003 Book(ISBN)\uff0c<br \/>\n\u5916\u952e (AuthorID) \u53c2\u8003 Author(AuthorID)<br \/>\n);<\/p>\n<p>\u521b\u5efa\u8868 MemberLoan (<br \/>\nMemberID INT\uff0c<br \/>\nLoanID INT\uff0c<br \/>\n\u5916\u952e (MemberID) \u53c2\u8003 Member(MemberID)\uff0c<br \/>\n\u5916\u952e (LoanID) \u53c2\u8003 Loan(LoanID)<br \/>\n);<\/p>\n<p>\u521b\u5efa\u8868 BookLoan (<br \/>\nLoanID INT\uff0c<br \/>\nBookISBN VARCHAR(13),<br \/>\n\u5916\u952e (LoanID) \u53c2\u7167 Loan(LoanID),<br \/>\n\u5916\u952e (BookISBN) \u53c2\u7167 Book(ISBN)<br 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