{"id":58041,"date":"2024-10-12T19:16:27","date_gmt":"2024-10-12T11:16:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58041\/"},"modified":"2024-10-12T19:16:27","modified_gmt":"2024-10-12T11:16:27","slug":"net%e6%8a%80%e8%a1%93%e5%8a%a9%e5%8a%9b%e7%b6%b2%e7%ab%99%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%99%ba%e8%83%bd%e5%8c%96-net-%e7%b6%b2%e7%ab%99%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58041\/","title":{"rendered":".NET\u6280\u8853\u52a9\u529b\u7db2\u7ad9\u6578\u64da\u5eab\u7ba1\u7406\u5be6\u73fe\u9ad8\u6548\u667a\u80fd\u5316 (.net \u7db2\u7ad9\u6578\u64da\u5eab)"},"content":{"rendered":"

.NET\u6280\u8853\u52a9\u529b\u7db2\u7ad9\u6578\u64da\u5eab\u7ba1\u7406\u5be6\u73fe\u9ad8\u6548\u667a\u80fd\u5316<\/h1>\n

\u96a8\u8457\u6578\u5b57\u5316\u6642\u4ee3\u7684\u5230\u4f86\uff0c\u7db2\u7ad9\u6578\u64da\u5eab\u7ba1\u7406\u7684\u91cd\u8981\u6027\u65e5\u76ca\u51f8\u986f\u3002\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u6846\u67b6\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e.NET\u6280\u8853\u5982\u4f55\u52a9\u529b\u7db2\u7ad9\u6578\u64da\u5eab\u7ba1\u7406\uff0c\u5be6\u73fe\u9ad8\u6548\u667a\u80fd\u5316\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

.NET\u6280\u8853\u6982\u8ff0<\/h2>\n

.NET\u662f\u4e00\u500b\u7531\u5fae\u8edf\u958b\u767c\u7684\u8edf\u9ad4\u6846\u67b6\uff0c\u652f\u6301\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5982C#\u3001VB.NET\u7b49\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u7a69\u5b9a\u7684\u74b0\u5883\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u69cb\u5efa\u548c\u90e8\u7f72\u61c9\u7528\u7a0b\u5f0f\u3002\u7279\u5225\u662f\u5728\u7db2\u7ad9\u958b\u767c\u4e2d\uff0c.NET\u6846\u67b6\u7684\u9748\u6d3b\u6027\u548c\u5f37\u5927\u529f\u80fd\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002<\/p>\n

\u6578\u64da\u5eab\u7ba1\u7406\u7684\u6311\u6230<\/h2>\n

\u5728\u7db2\u7ad9\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u9762\u81e8\u591a\u7a2e\u6311\u6230\uff0c\u5305\u62ec\u6578\u64da\u7684\u5b89\u5168\u6027\u3001\u53ef\u64f4\u5c55\u6027\u548c\u6027\u80fd\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u6578\u64da\u5eab\u7684\u8ca0\u8f09\u4e5f\u96a8\u4e4b\u4e0a\u5347\uff0c\u9019\u5c31\u8981\u6c42\u958b\u767c\u8005\u5fc5\u9808\u9078\u64c7\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

.NET\u6280\u8853\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u61c9\u7528<\/h2>\n

1. Entity Framework<\/h3>\n

Entity Framework\uff08EF\uff09\u662f.NET\u7684\u4e00\u500b\u7269\u4ef6\u95dc\u806f\u6620\u5c04\uff08ORM\uff09\u6846\u67b6\uff0c\u80fd\u5920\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528LINQ\uff08\u8a9e\u8a00\u96c6\u6210\u67e5\u8a62\uff09\u4f86\u9032\u884c\u6578\u64da\u67e5\u8a62\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u64cd\u4f5c\u66f4\u52a0\u76f4\u89c0\u548c\u9ad8\u6548\u3002<\/p>\n

\nusing (var context = new MyDbContext())\n{\n    var users = context.Users\n                       .Where(u => u.IsActive)\n                       .ToList();\n}\n<\/code><\/pre>\n
\u4ee5\u4e0a\u4ee3\u78bc\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Entity Framework\u67e5\u8a62\u6d3b\u8e8d\u7528\u6236\uff0c\u9019\u6a23\u7684\u7c21\u5316\u64cd\u4f5c\u5927\u5927\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\u3002<\/p>\n
2. \u6578\u64da\u5eab\u9023\u63a5\u6c60<\/h3>\n
.NET\u6846\u67b6\u652f\u6301\u6578\u64da\u5eab\u9023\u63a5\u6c60\u6280\u8853\uff0c\u9019\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff0c\u6e1b\u5c11\u9023\u63a5\u7684\u958b\u92b7\u3002\u901a\u904e\u91cd\u7528\u73fe\u6709\u7684\u9023\u63a5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u3002<\/p>\n
3. \u7570\u6b65\u7de8\u7a0b<\/h3>\n
\u96a8\u8457\u7db2\u7ad9\u6d41\u91cf\u7684\u589e\u52a0\uff0c\u7570\u6b65\u7de8\u7a0b\u6210\u70ba\u63d0\u9ad8\u6027\u80fd\u7684\u95dc\u9375\u3002\u4f7f\u7528.NET\u7684\u7570\u6b65\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u7b49\u5f85\u6578\u64da\u5eab\u64cd\u4f5c\u5b8c\u6210\u7684\u540c\u6642\uff0c\u7e7c\u7e8c\u8655\u7406\u5176\u4ed6\u8acb\u6c42\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n
\npublic async Task<List> GetActiveUsersAsync()\n{\n    using (var context = new MyDbContext())\n    {\n        return await context.Users\n                            .Where(u => u.IsActive)\n                            .ToListAsync();\n    }\n}\n<\/code><\/pre>\n
\u667a\u80fd\u5316\u6578\u64da\u7ba1\u7406<\/h2>\n
\u96a8\u8457\u4eba\u5de5\u667a\u80fd\u6280\u8853\u7684\u767c\u5c55\uff0c\u5c07AI\u61c9\u7528\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6210\u70ba\u4e00\u7a2e\u8da8\u52e2\u3002\u5229\u7528.NET\u6846\u67b6\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u96c6\u6210\u6a5f\u5668\u5b78\u7fd2\u6a21\u578b\uff0c\u5be6\u73fe\u667a\u80fd\u5316\u7684\u6578\u64da\u5206\u6790\u548c\u9810\u6e2c\u3002\u4f8b\u5982\uff0c\u901a\u904e\u5206\u6790\u7528\u6236\u884c\u70ba\u6578\u64da\uff0c\u7db2\u7ad9\u53ef\u4ee5\u81ea\u52d5\u8abf\u6574\u5167\u5bb9\u63a8\u85a6\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u7e3d\u7684\u4f86\u8aaa\uff0c.NET\u6280\u8853\u5728\u7db2\u7ad9\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u63d0\u4f9b\u4e86\u591a\u7a2e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u5f9eORM\u6846\u67b6\u5230\u7570\u6b65\u7de8\u7a0b\uff0c\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u589e\u5f37\u4e86\u61c9\u7528\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u96a8\u8457\u667a\u80fd\u5316\u6280\u8853\u7684\u9032\u4e00\u6b65\u767c\u5c55\uff0c\u672a\u4f86\u7684\u6578\u64da\u5eab\u7ba1\u7406\u5c07\u66f4\u52a0\u9ad8\u6548\u548c\u667a\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684.NET\u61c9\u7528\u7a0b\u5f0f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5be6\u73fe\u9ad8\u6548\u7684\u7db2\u7ad9\u6578\u64da\u5eab\u7ba1\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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