{"id":68720,"date":"2025-05-28T10:15:15","date_gmt":"2025-05-28T02:15:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/?p=68720"},"modified":"2025-05-28T10:15:15","modified_gmt":"2025-05-28T02:15:15","slug":"%e4%bd%bf%e7%94%a8-c-%e4%b8%8e-communitytoolkit-mvvm-%e6%9e%84%e5%bb%ba-cli-todo-%e5%ba%94%e7%94%a8%ef%bc%9a%e6%8a%80%e6%9c%af%e5%ae%9e%e7%8e%b0%e4%b8%8e%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%8e%a8%e8%8d%90","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/68720\/","title":{"rendered":"\u4f7f\u7528 C# \u4e0e CommunityToolkit.Mvvm \u6784\u5efa CLI Todo \u5e94\u7528\uff1a\u6280\u672f\u5b9e\u73b0\u4e0e\u670d\u52a1\u5668\u63a8\u8350"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>\u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u547d\u4ee4\u884c\u5de5\u5177\u4ecd\u7136\u5728\u8bf8\u5982\u81ea\u52a8\u5316\u3001\u811a\u672c\u63a7\u5236\u4ee5\u53ca\u8f7b\u91cf\u7ea7\u4efb\u52a1\u7ba1\u7406\u65b9\u9762\u5360\u636e\u4e00\u5e2d\u4e4b\u5730\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u4f7f\u7528 C# \u642d\u914d CommunityToolkit.Mvvm \u6846\u67b6\uff0c\u5f00\u53d1\u4e00\u4e2a\u529f\u80fd\u5b8c\u6574\u7684 CLI Todo \u5e94\u7528\uff0c\u6db5\u76d6\u6dfb\u52a0\u3001\u5220\u9664\u3001\u7b5b\u9009\u3001\u6301\u4e45\u5316\u7b49\u6838\u5fc3\u529f\u80fd\u3002\u540c\u65f6\uff0c\u6587\u4e2d\u8fd8\u5c06\u63a2\u8ba8\u90e8\u7f72\u6b64\u7c7b\u5de5\u5177\u5bf9\u670d\u52a1\u5668\u6027\u80fd\u7684\u4f9d\u8d56\uff0c\u63a8\u8350\u9009\u62e9\u9ad8\u6027\u80fd\u7684<strong>\u7f8e\u56fd\u4e91\u670d\u52a1\u5668<\/strong>\u6765\u63d0\u5347\u6574\u4f53\u6548\u7387\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n<hr \/>\n<h2>\u4e00\u3001\u9879\u76ee\u67b6\u6784\u8bbe\u8ba1<\/h2>\n<p>\u672c\u9879\u76ee\u91c7\u7528\u5206\u5c42\u7ed3\u6784\uff0c\u6e05\u6670\u5212\u5206\u4e86\u6a21\u578b\u3001\u670d\u52a1\u3001\u89c6\u56fe\u6a21\u578b\u7b49\u804c\u8d23\u6a21\u5757\uff0c\u4fbf\u4e8e\u7ef4\u62a4\u4e0e\u6269\u5c55\uff1a<\/p>\n<pre><code>AppTodo\/\r\n\u251c\u2500\u2500 Models\/          \/\/ \u6570\u636e\u6a21\u578b\u5b9a\u4e49\r\n\u2502   \u2514\u2500\u2500 TodoItem.cs\r\n\u251c\u2500\u2500 Services\/        \/\/ \u4e1a\u52a1\u903b\u8f91\u4e0e\u6570\u636e\u5b58\u50a8\r\n\u2502   \u2514\u2500\u2500 TodoService.cs\r\n\u251c\u2500\u2500 ViewModels\/      \/\/ \u7528\u6237\u64cd\u4f5c\u5904\u7406\r\n\u2502   \u2514\u2500\u2500 TodoViewModel.cs\r\n\u2514\u2500\u2500 Program.cs       \/\/ \u4e3b\u5165\u53e3\u7a0b\u5e8f\r\n<\/code><\/pre>\n<p>\u5728\u7f8e\u56fdVPS\u4e3b\u673a\u4e0a\u90e8\u7f72\u8be5\u7c7b\u5c0f\u578b\u9879\u76ee\u53ef\u6709\u6548\u63d0\u5347\u6587\u4ef6IO\u4e0e\u6570\u636e\u5b58\u50a8\u8bfb\u5199\u901f\u5ea6\uff0c\u6781\u5927\u63d0\u9ad8\u7528\u6237\u54cd\u5e94\u6548\u7387\u3002<\/p>\n<hr \/>\n<h2>\u4e8c\u3001\u6a21\u578b\u5c42\u8bbe\u8ba1\uff1aTodoItem \u5b9e\u4f53\u7c7b<\/h2>\n<pre><code class=\"language-csharp\">public enum Priority { Low, Medium, High, Urgent }\r\n\r\npublic partial class TodoItem : ObservableObject\r\n{\r\n    [ObservableProperty] private Guid _id;\r\n    [ObservableProperty] private string _title;\r\n    [ObservableProperty] private string _description;\r\n    [ObservableProperty] private bool _isCompleted;\r\n    [ObservableProperty] private DateTime _createdAt;\r\n    [ObservableProperty] private DateTime? _completedAt;\r\n    [ObservableProperty] private Priority _priority;\r\n\r\n    public TodoItem()\r\n    {\r\n        Id = Guid.NewGuid();\r\n        CreatedAt = DateTime.Now;\r\n        Priority = Priority.Medium;\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u501f\u52a9 <code>ObservableObject<\/code>\uff0c\u6bcf\u4e2a\u5b57\u6bb5\u7684\u53d8\u5316\u90fd\u53ef\u4ee5\u88ab\u5b9e\u65f6\u8ffd\u8e2a\uff0c\u4fbf\u4e8e UI \u6216\u670d\u52a1\u5c42\u8fdb\u884c\u66f4\u65b0\u3002\u8fd9\u79cd\u673a\u5236\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4e5f\u9002\u7528\uff0c\u9002\u5408\u5728<strong>\u7f8e\u56fdVPS<\/strong>\u90e8\u7f72\u7528\u4e8e\u4e2d\u5c0f\u578b\u4e1a\u52a1\u903b\u8f91\u5904\u7406\u3002<\/p>\n<hr \/>\n<h2>\u4e09\u3001\u670d\u52a1\u5c42\uff1a\u672c\u5730\u5b58\u50a8\u4e0e\u903b\u8f91\u64cd\u4f5c<\/h2>\n<p>\u670d\u52a1\u5c42\u5c01\u88c5\u4e86\u5bf9\u672c\u5730 JSON \u6587\u4ef6\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u907f\u514d\u4e86\u76f4\u63a5\u64cd\u4f5c\u6587\u4ef6\u5e26\u6765\u7684\u5197\u4f59\u903b\u8f91\uff0c\u6838\u5fc3\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u52a0\u8f7d\u672c\u5730\u6570\u636e<\/li>\n<li>\u6dfb\u52a0\/\u5220\u9664\u5f85\u529e\u4e8b\u9879<\/li>\n<li>\u5207\u6362\u5b8c\u6210\u72b6\u6001<\/li>\n<li>\u6309\u4f18\u5148\u7ea7\u6392\u5e8f<\/li>\n<li>\u5173\u952e\u8bcd\u641c\u7d22<\/li>\n<\/ul>\n<pre><code class=\"language-csharp\">public void SaveTodos()\r\n{\r\n    var json = JsonSerializer.Serialize(_todos, new JsonSerializerOptions { WriteIndented = true });\r\n    File.WriteAllText(\"todos.json\", json);\r\n}\r\n<\/code><\/pre>\n<p>\u5728\u4f7f\u7528\u8fdc\u7a0b\u4e3b\u673a\u8fdb\u884c\u6301\u7eed\u96c6\u6210\u90e8\u7f72\u65f6\uff0c\u63a8\u8350\u9009\u62e9<strong>\u7f8e\u56fd\u670d\u52a1\u5668<\/strong>\uff0c\u5176\u5177\u5907\u9ad8\u901f\u786c\u76d8\u548c\u7a33\u5b9a\u5e26\u5bbd\uff0c\u786e\u4fdd\u6570\u636e\u8bfb\u5199\u4e0e\u6301\u4e45\u5316\u64cd\u4f5c\u66f4\u4e3a\u6d41\u7545\u3002<\/p>\n<hr \/>\n<h2>\u56db\u3001\u89c6\u56fe\u6a21\u578b\uff1a\u64cd\u4f5c\u54cd\u5e94\u903b\u8f91\u5c01\u88c5<\/h2>\n<p>ViewModel \u5c42\u91c7\u7528\u4e86 CommunityToolkit \u7684 <code>RelayCommand<\/code> \u673a\u5236\uff0c\u6709\u6548\u7ba1\u7406\u4e86\u754c\u9762\u903b\u8f91\u4e0e\u670d\u52a1\u8c03\u7528\u4e4b\u95f4\u7684\u4ea4\u4e92\u884c\u4e3a\uff1a<\/p>\n<pre><code class=\"language-csharp\">[RelayCommand]\r\nprivate void AddTodo(string title)\r\n{\r\n    var todo = new TodoItem { Title = title, Priority = Priority.Medium };\r\n    _todoService.AddTodo(todo);\r\n    Todos = _todoService.GetAllTodos();\r\n}\r\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u67b6\u6784\u5c24\u5176\u9002\u7528\u4e8e\u591a\u7528\u6237\u73af\u5883\u4e0b\u7684\u5206\u5e03\u5f0f\u67b6\u6784\uff0c\u53ef\u4ee5\u8003\u8651\u90e8\u7f72\u5728\u914d\u7f6e\u5f39\u6027\u8d44\u6e90\u7684<strong>\u7f8e\u56fd\u4e91\u670d\u52a1\u5668<\/strong>\u4e0a\uff0c\u4ee5\u652f\u6301\u5927\u91cf\u5e76\u53d1\u7528\u6237\u64cd\u4f5c\u3002<\/p>\n<hr \/>\n<h2>\u4e94\u3001\u4e3b\u7a0b\u5e8f\u5165\u53e3\uff1a\u547d\u4ee4\u884c\u4ea4\u4e92<\/h2>\n<p>\u901a\u8fc7\u7b80\u5355\u7684 <code>switch-case<\/code> \u903b\u8f91\u5373\u53ef\u5feb\u901f\u6784\u5efa\u4ea4\u4e92\u5f0f\u547d\u4ee4\u884c\u754c\u9762\uff0c\u5bf9\u7528\u6237\u53cb\u597d\u3001\u5f00\u53d1\u9ad8\u6548\uff1a<\/p>\n<pre><code class=\"language-csharp\">Console.WriteLine(\"1. \u663e\u793a\u6240\u6709\u5f85\u529e\u4e8b\u9879\");\r\nConsole.WriteLine(\"2. \u6dfb\u52a0\u5f85\u529e\u4e8b\u9879\");\r\n\/\/ ...\r\nvar choice = Console.ReadLine();\r\n<\/code><\/pre>\n<p>\u5728\u4f01\u4e1a\u7ea7\u90e8\u7f72\u4e2d\uff0c\u4f7f\u7528\u53ef\u62d3\u5c55\u6027\u5f3a\u7684 <strong>\u7f8e\u56fd\u670d\u52a1\u5668<\/strong> \u80fd\u66f4\u597d\u652f\u6301\u5982\u5b9a\u65f6\u4efb\u52a1\u3001\u4efb\u52a1\u961f\u5217\u7b49\u5ef6\u4f38\u9700\u6c42\uff0c\u63a8\u8350\u4f7f\u7528\u9ad8\u6027\u80fd\u4e3b\u673a\u8fdb\u884c\u6258\u7ba1\u3002<\/p>\n<hr \/>\n<h2>\u7ed3\u8bed\uff1a\u5f00\u53d1\u8005\u5efa\u8bae\u4e0e\u670d\u52a1\u5668\u90e8\u7f72\u63a8\u8350<\/h2>\n<p>\u4ece\u6a21\u578b\u5b9a\u4e49\u5230\u670d\u52a1\u903b\u8f91\u518d\u5230\u7ec8\u7aef\u754c\u9762\uff0c\u8be5 Todo CLI \u5e94\u7528\u5b8c\u6574\u6f14\u793a\u4e86 C# \u4e0e MVVM \u7ed3\u5408\u7684\u9ad8\u6548\u5f00\u53d1\u6a21\u5f0f\u3002\u5bf9\u4e8e\u9700\u8981\u90e8\u7f72\u6b64\u7c7b\u5e94\u7528\u6216\u5176\u4ed6\u8f7b\u91cf\u7ea7\u4efb\u52a1\u7ba1\u7406\u5de5\u5177\u7684\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u9009\u62e9\u4e00\u6b3e\u7a33\u5b9a\u3001\u6027\u80fd\u4f18\u8d8a\u7684\u670d\u52a1\u5668\u5c24\u4e3a\u91cd\u8981\u3002\u6211\u4eec\u5efa\u8bae\u4f7f\u7528\u6211\u4eec\u63d0\u4f9b\u7684<a href=\"https:\/\/fwq.ai\/\"><strong>\u7f8e\u56fd\u670d\u52a1\u5668<\/strong><\/a>\u4ea7\u54c1\uff0c\u4e0d\u4ec5\u652f\u6301\u9ad8\u901f\u7f51\u7edc\u8bbf\u95ee\u3001SSD\u78c1\u76d8\u6027\u80fd\u51fa\u4f17\uff0c\u540c\u65f6\u5177\u5907\u7075\u6d3b\u7684\u8d44\u6e90\u914d\u7f6e\u65b9\u6848\uff0c\u7279\u522b\u9002\u5408\u5f00\u53d1\u8005\u548c\u4e2d\u5c0f\u4f01\u4e1a\u90e8\u7f72\u9879\u76ee\u3002\u901a\u8fc7\u5408\u7406\u5229\u7528<strong>\u7f8e\u56fdvps<\/strong>\u4e0e<strong>\u7f8e\u56fd\u4e91\u670d\u52a1\u5668<\/strong>\u8d44\u6e90\uff0c\u60a8\u5c06\u83b7\u5f97\u66f4\u52a0\u9ad8\u6548\u3001\u5b89\u5168\u3001\u4fbf\u6377\u7684\u5f00\u53d1\u4f53\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u547d\u4ee4\u884c\u5de5\u5177\u4ecd\u7136\u5728\u8bf8\u5982\u81ea\u52a8\u5316\u3001\u811a\u672c\u63a7\u5236\u4ee5\u53ca\u8f7b\u91cf\u7ea7\u4efb\u52a1\u7ba1\u7406\u65b9\u9762\u5360\u636e\u4e00\u5e2d\u4e4b\u5730\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u4f7f\u7528 C# \u642d\u914d CommunityToolkit.Mvvm \u6846\u67b6\uff0c\u5f00\u53d1\u4e00\u4e2a\u529f\u80fd\u5b8c\u6574\u7684 CLI Todo \u5e94\u7528\uff0c\u6db5\u76d6\u6dfb\u52a0\u3001\u5220\u9664\u3001\u7b5b\u9009\u3001\u6301\u4e45\u5316\u7b49\u6838\u5fc3\u529f\u80fd\u3002\u540c\u65f6\uff0c\u6587\u4e2d\u8fd8\u5c06\u63a2\u8ba8\u90e8\u7f72\u6b64\u7c7b\u5de5\u5177\u5bf9\u670d\u52a1\u5668\u6027\u80fd\u7684\u4f9d\u8d56\uff0c\u63a8\u8350\u9009\u62e9\u9ad8\u6027\u80fd\u7684\u7f8e\u56fd\u4e91\u670d\u52a1\u5668\u6765\u63d0\u5347\u6574\u4f53\u6548\u7387\u4e0e\u7a33\u5b9a\u6027\u3002 \u4e00\u3001\u9879\u76ee\u67b6\u6784\u8bbe\u8ba1 \u672c\u9879\u76ee\u91c7\u7528\u5206\u5c42\u7ed3\u6784\uff0c\u6e05\u6670\u5212\u5206\u4e86\u6a21\u578b\u3001\u670d\u52a1\u3001\u89c6\u56fe\u6a21\u578b\u7b49\u804c\u8d23\u6a21\u5757\uff0c\u4fbf\u4e8e\u7ef4\u62a4\u4e0e\u6269\u5c55\uff1a AppTodo\/ \u251c\u2500\u2500 Models\/ \/\/ \u6570\u636e\u6a21\u578b\u5b9a\u4e49 \u2502 \u2514\u2500\u2500 TodoItem.cs \u251c\u2500\u2500 Services\/ \/\/ \u4e1a\u52a1\u903b\u8f91\u4e0e\u6570\u636e\u5b58\u50a8 \u2502 \u2514\u2500\u2500 TodoService.cs \u251c\u2500\u2500 ViewModels\/ \/\/ \u7528\u6237\u64cd\u4f5c\u5904\u7406 \u2502 \u2514\u2500\u2500 TodoViewModel.cs \u2514\u2500\u2500 Program.cs \/\/ \u4e3b\u5165\u53e3\u7a0b\u5e8f \u5728\u7f8e\u56fdVPS\u4e3b\u673a\u4e0a\u90e8\u7f72\u8be5\u7c7b\u5c0f\u578b\u9879\u76ee\u53ef\u6709\u6548\u63d0\u5347\u6587\u4ef6IO\u4e0e\u6570\u636e\u5b58\u50a8\u8bfb\u5199\u901f\u5ea6\uff0c\u6781\u5927\u63d0\u9ad8\u7528\u6237\u54cd\u5e94\u6548\u7387\u3002 \u4e8c\u3001\u6a21\u578b\u5c42\u8bbe\u8ba1\uff1aTodoItem \u5b9e\u4f53\u7c7b public enum Priority { Low, Medium, High, Urgent } public partial class TodoItem : ObservableObject [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-68720","post","type-post","status-publish","format-standard","hentry","category-coding"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/68720","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=68720"}],"version-history":[{"count":1,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/68720\/revisions"}],"predecessor-version":[{"id":68722,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/68720\/revisions\/68722"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=68720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=68720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=68720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}