C#\u6570\u636e\u5e93\u8bbe\u8ba1\u6a21\u5f0f\u4ed3\u50a8\u6a21\u5f0f<\/p>\n
\u5728C#\u4e2d\u8fdb\u884c\u6570\u636e\u5e93\u8bbe\u8ba1\u65f6\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528\u4e00\u4e9b\u8bbe\u8ba1\u6a21\u5f0f\u548c\u67b6\u6784\u6765\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684C#\u6570\u636e\u5e93\u8bbe\u8ba1\u6a21\u5f0f\u548c\u67b6\u6784\uff1a<\/p>\n
\u5b9e\u4f53\u5173\u7cfb\u56fe (ERD)
\nERD \u662f\u7406\u89e3\u548c\u8bbe\u8ba1\u6570\u636e\u5e93\u7ed3\u6784\u7684\u5de5\u5177\u3002\u5b83\u663e\u793a\u4e86\u5b9e\u4f53\u3001\u5c5e\u6027\u3001\u952e\u3001\u5916\u952e\u548c\u5176\u4ed6\u5173\u7cfb\u3002<\/p>\n
\u8868\u7ed3\u6784\u8bbe\u8ba1
\n\u2022 \u4e3b\u952e\uff1a\u6bcf\u4e2a\u8868\u90fd\u5e94\u8be5\u6709\u4e00\u4e2a\u4e3b\u952e\uff0c\u901a\u5e38\u662f\u81ea\u589e\u7684\u6574\u6570\u3002
\n\u2022 \u5916\u952e\uff1a\u7528\u4e8e\u5efa\u7acb\u8868\u4e0e\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u3002
\n\u2022 \u7d22\u5f15\uff1a\u4e3a\u7ecf\u5e38\u67e5\u8be2\u7684\u5b57\u6bb5\u521b\u5efa\u7d22\u5f15\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
\u5206\u5c42\u67b6\u6784 (Layered Architecture)
\n\u5206\u5c42\u67b6\u6784\u5c06\u5e94\u7528\u7a0b\u5e8f\u5206\u4e3a\u591a\u4e2a\u5c42\uff0c\u6bcf\u5c42\u8d1f\u8d23\u4e0d\u540c\u7684\u529f\u80fd\u3002\u5e38\u89c1\u7684\u5c42\u6b21\u5305\u62ec\uff1a<\/p>\n
\u2022 \u8868\u793a\u5c42 (Presentation Layer)\uff1a\u5904\u7406\u7528\u6237\u754c\u9762\u3002
\n\u2022 \u4e1a\u52a1\u903b\u8f91\u5c42 (Business Logic Layer)\uff1a\u5904\u7406\u4e1a\u52a1\u89c4\u5219\u548c\u903b\u8f91\u3002
\n\u2022 \u6570\u636e\u8bbf\u95ee\u5c42 (Data Access Layer)\uff1a\u5904\u7406\u4e0e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u3002<\/p>\n
\u4f9d\u8d56\u6ce8\u5165 (Dependency Injection)
\n\u4f9d\u8d56\u6ce8\u5165\u662f\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u7528\u4e8e\u5b9e\u73b0\u63a7\u5236\u53cd\u8f6c (IoC)\uff0c\u4f7f\u5f97\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u6d4b\u8bd5\u3002<\/p>\n
\u4ed3\u50a8\u6a21\u5f0f (Repository Pattern)
\n\u4ed3\u50a8\u6a21\u5f0f\u7528\u4e8e\u62bd\u8c61\u6570\u636e\u8bbf\u95ee\u5c42\uff0c\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u4e0e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u66f4\u52a0\u7b80\u5355\u548c\u4e00\u81f4\u3002<\/p>\n
\u5355\u5143\u5de5\u4f5c\u6a21\u5f0f (Unit of Work Pattern)
\n\u5355\u5143\u5de5\u4f5c\u6a21\u5f0f\u7528\u4e8e\u7ba1\u7406\u4e8b\u52a1\uff0c\u786e\u4fdd\u4e00\u7ec4\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684C# EF Core\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u4ed3\u50a8\u6a21\u5f0f\u548c\u4f9d\u8d56\u6ce8\u5165\u3002<\/p>\n
\u6570\u636e\u5e93\u4e0a\u4e0b\u6587 (DbContext)<\/p>\n
\npublic class ApplicationDbContext : DbContext\n{\n public DbSet<User> Users { get; set; }\n\n protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)\n {\n optionsBuilder.UseSqlServer("YourConnectionStringHere");\n }\n}\n<\/pre>\n\u7528\u6237\u5b9e\u4f53 (User)<\/p>\n
\npublic class User\n{\n public int Id { get; set; }\n public string Name { get; set; }\n public string Email { get; set; }\n}\n<\/pre>\n\u7528\u6237\u4ed3\u50a8\u63a5\u53e3 (IUserRepository)<\/p>\n
\npublic interface IUserRepository\n{\n IEnumerable<User> GetAll();\n User GetById(int id);\n void Add(User user);\n void Update(User user);\n void Delete(int id);\n}\n<\/pre>\n\u7528\u6237\u4ed3\u50a8\u5b9e\u73b0 (UserRepository)<\/p>\n
\npublic class UserRepository : IUserRepository\n{\n private readonly ApplicationDbContext _context;\n\n public UserRepository(ApplicationDbContext context)\n {\n _context = context;\n }\n\n public IEnumerable<User> GetAll()\n {\n return _context.Users;\n }\n\n public User GetById(int id)\n {\n return _context.Users.Find(id);\n }\n\n public void Add(User user)\n {\n _context.Users.Add(user);\n _context.SaveChanges();\n }\n\n public void Update(User user)\n {\n _context.Users.Update(user);\n _context.SaveChanges();\n }\n\n public void Delete(int id)\n {\n var user = _context.Users.Find(id);\n if (user != null)\n {\n _context.Users.Remove(user);\n _context.SaveChanges();\n }\n }\n}\n<\/pre>\n\u670d\u52a1\u5c42 (UserService)<\/p>\n
\npublic class UserService\n{\n private readonly IUserRepository _userRepository;\n\n public UserService(IUserRepository userRepository)\n {\n _userRepository = userRepository;\n }\n\n public IEnumerable<User> GetAllUsers()\n {\n return _userRepository.GetAll();\n }\n\n public User GetUserById(int id)\n {\n return _userRepository.GetById(id);\n }\n\n public void AddUser(User user)\n {\n _userRepository.Add(user);\n }\n\n public void UpdateUser(User user)\n {\n _userRepository.Update(user);\n }\n\n public void DeleteUser(int id)\n {\n _userRepository.Delete(id);\n }\n}\n<\/pre>\n\u63a7\u5236\u5668 (UserController)<\/p>\n
\n[ApiController]\n[Route("api\/[controller]")]\npublic class UserController : ControllerBase\n{\n private readonly UserService _userService;\n\n public UserController(UserService userService)\n {\n _userService = userService;\n }\n\n [HttpGet]\n public ActionResult<IEnumerable<User>> GetAllUsers()\n {\n var users = _userService.GetAllUsers();\n return Ok(users);\n }\n\n [HttpGet("{id}")]\n public ActionResult<User> GetUserById(int id)\n {\n var user = _userService.GetUserById(id);\n if (user == null)\n {\n return NotFound();\n }\n return Ok(user);\n }\n\n [HttpPost]\n public ActionResult<User> Post([FromBody] User user)\n {\n _userService.AddUser(user);\n return CreatedAtAction(nameof(GetUserById), new { id = user.Id }, user);\n }\n\n [HttpPut("{id}")]\n public IActionResult Put(int id, [FromBody] User user)\n {\n if (id != user.Id)\n {\n return BadRequest();\n }\n _userService.UpdateUser(user);\n return NoContent();\n }\n\n [HttpDelete("{id}")]\n public IActionResult Delete(int id)\n {\n _userService.DeleteUser(id);\n return NoContent();\n }\n}\n<\/pre>\n4. \u603b\u7ed3<\/h2>\n
\u4ee5\u4e0a\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528C#\u548cEF Core\u8fdb\u884c\u6570\u636e\u5e93\u8bbe\u8ba1\uff0c\u5e76\u5e94\u7528\u4e86\u4ed3\u50a8\u6a21\u5f0f\u548c\u4f9d\u8d56\u6ce8\u5165\u3002\u8fd9\u4e9b\u6a21\u5f0f\u548c\u67b6\u6784\u53ef\u4ee5\u5e2e\u52a9\u4f60\u6784\u5efa\u66f4\u52a0\u6a21\u5757\u5316\u3001\u53ef\u7ef4\u62a4\u548c\u53ef\u6269\u5c55\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
C#\u6570\u636e\u5e93\u8bbe\u8ba1\u6a21\u5f0f\u4ed3\u50a8\u6a21\u5f0f \u5728C#\u4e2d\u8fdb\u884c\u6570\u636e\u5e93\u8bbe\u8ba1\u65f6\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528\u4e00\u4e9b\u8bbe\u8ba1\u6a21\u5f0f\u548c\u67b6\u6784\u6765\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684C#\u6570\u636e\u5e93\u8bbe\u8ba1\u6a21\u5f0f\u548c\u67b6\u6784\uff1a 1. \u6570\u636e\u5e93\u6a21\u5f0f\u8bbe\u8ba1 \u5b9e\u4f53\u5173\u7cfb\u56fe (ERD) ERD \u662f\u7406\u89e3\u548c\u8bbe\u8ba1\u6570\u636e\u5e93\u7ed3\u6784\u7684\u5de5\u5177\u3002\u5b83\u663e\u793a\u4e86\u5b9e\u4f53\u3001\u5c5e\u6027\u3001\u952e\u3001\u5916\u952e\u548c\u5176\u4ed6\u5173\u7cfb\u3002 \u8868\u7ed3\u6784\u8bbe\u8ba1 \u2022 \u4e3b\u952e\uff1a\u6bcf\u4e2a\u8868\u90fd\u5e94\u8be5\u6709\u4e00\u4e2a\u4e3b\u952e\uff0c\u901a\u5e38\u662f\u81ea\u589e\u7684\u6574\u6570\u3002 \u2022 \u5916\u952e\uff1a\u7528\u4e8e\u5efa\u7acb\u8868\u4e0e\u8868\u4e4b\u95f4\u7684\u5173\u7cfb\u3002 \u2022 \u7d22\u5f15\uff1a\u4e3a\u7ecf\u5e38\u67e5\u8be2\u7684\u5b57\u6bb5\u521b\u5efa\u7d22\u5f15\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002 2. C# \u67b6\u6784\u8bbe\u8ba1 \u5206\u5c42\u67b6\u6784 (Layered Architecture) \u5206\u5c42\u67b6\u6784\u5c06\u5e94\u7528\u7a0b\u5e8f\u5206\u4e3a\u591a\u4e2a\u5c42\uff0c\u6bcf\u5c42\u8d1f\u8d23\u4e0d\u540c\u7684\u529f\u80fd\u3002\u5e38\u89c1\u7684\u5c42\u6b21\u5305\u62ec\uff1a \u2022 \u8868\u793a\u5c42 (Presentation Layer)\uff1a\u5904\u7406\u7528\u6237\u754c\u9762\u3002 \u2022 \u4e1a\u52a1\u903b\u8f91\u5c42 (Business Logic Layer)\uff1a\u5904\u7406\u4e1a\u52a1\u89c4\u5219\u548c\u903b\u8f91\u3002 \u2022 \u6570\u636e\u8bbf\u95ee\u5c42 (Data Access Layer)\uff1a\u5904\u7406\u4e0e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u3002 \u4f9d\u8d56\u6ce8\u5165 (Dependency Injection) \u4f9d\u8d56\u6ce8\u5165\u662f\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u7528\u4e8e\u5b9e\u73b0\u63a7\u5236\u53cd\u8f6c (IoC)\uff0c\u4f7f\u5f97\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u6d4b\u8bd5\u3002 \u4ed3\u50a8\u6a21\u5f0f (Repository Pattern) \u4ed3\u50a8\u6a21\u5f0f\u7528\u4e8e\u62bd\u8c61\u6570\u636e\u8bbf\u95ee\u5c42\uff0c\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u4e0e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u66f4\u52a0\u7b80\u5355\u548c\u4e00\u81f4\u3002 \u5355\u5143\u5de5\u4f5c\u6a21\u5f0f (Unit of Work Pattern) \u5355\u5143\u5de5\u4f5c\u6a21\u5f0f\u7528\u4e8e\u7ba1\u7406\u4e8b\u52a1\uff0c\u786e\u4fdd\u4e00\u7ec4\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002 3. \u793a\u4f8b\u4ee3\u7801 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684C# EF […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1034","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/diji.net\/index.php?rest_route=\/wp\/v2\/posts\/1034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diji.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diji.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diji.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diji.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1034"}],"version-history":[{"count":0,"href":"https:\/\/diji.net\/index.php?rest_route=\/wp\/v2\/posts\/1034\/revisions"}],"wp:attachment":[{"href":"https:\/\/diji.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diji.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diji.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}