{"id":61273,"date":"2024-10-13T09:52:22","date_gmt":"2024-10-13T01:52:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61273\/"},"modified":"2024-10-13T09:52:22","modified_gmt":"2024-10-13T01:52:22","slug":"ef%e4%b8%ad%e8%bc%95%e9%ac%86%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e7%9a%84%e6%96%b9%e6%b3%95-ef%e4%b8%ad%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61273\/","title":{"rendered":"EF\u4e2d\u8f15\u9b06\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5\u7684\u65b9\u6cd5 (ef\u4e2d\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5)"},"content":{"rendered":"<h1 id=\"ef%e4%b8%ad%e8%bc%95%e9%ac%86%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e7%9a%84%e6%96%b9%e6%b3%95-PwhgUIKEVL\">EF\u4e2d\u8f15\u9b06\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u4f7f\u7528Entity 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id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-PwhgUIKEVL\">\u70ba\u4ec0\u9ebc\u9700\u8981\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5?<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u66f4\u6539\u6578\u64da\u5eab\u914d\u7f6e<\/li>\n<li>\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u9023\u63a5<\/li>\n<li>\u89e3\u6c7a\u9023\u63a5\u554f\u984c<\/li>\n<\/ul>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e7%9a%84%e6%ad%a5%e9%a9%9f-PwhgUIKEVL\">\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5\u7684\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u522a\u9664EF\u4e2d\u6578\u64da\u5eab\u9023\u63a5\u7684\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e7%95%b6%e5%89%8d%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-PwhgUIKEVL\">1. \u78ba\u8a8d\u7576\u524d\u7684\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u5728\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u7576\u524d\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>using (var context = new YourDbContext())\n{\n    var connectionString = context.Database.Connection.ConnectionString;\n    Console.WriteLine(connectionString);\n}<\/code><\/pre>\n<h3 id=\"2-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-PwhgUIKEVL\">2. \u522a\u9664\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u8981\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>context.Database.Connection.Close();<\/code><\/pre>\n<p>\u9019\u884c\u4ee3\u78bc\u5c07\u95dc\u9589\u7576\u524d\u7684\u6578\u64da\u5eab\u9023\u63a5\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u4e0d\u6703\u522a\u9664\u6578\u64da\u5eab\u672c\u8eab\uff0c\u53ea\u662f\u95dc\u9589\u4e86\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002<\/p>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2-PwhgUIKEVL\">3. \u66f4\u65b0\u9023\u63a5\u5b57\u7b26\u4e32<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66f4\u6539\u6578\u64da\u5eab\u9023\u63a5\uff0c\u53ef\u4ee5\u5728\u61c9\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u66f4\u65b0\u9023\u63a5\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u5728appsettings.json\u4e2d\uff1a<\/p>\n<pre><code>{\n  \"ConnectionStrings\": {\n    \"DefaultConnection\": \"Server=your_server;Database=your_database;User Id=your_user;Password=your_password;\"\n  }\n}<\/code><\/pre>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e6%96%b0%e7%9a%84%e9%80%a3%e6%8e%a5-PwhgUIKEVL\">4. \u6e2c\u8a66\u65b0\u7684\u9023\u63a5<\/h3>\n<p>\u66f4\u65b0\u9023\u63a5\u5b57\u7b26\u4e32\u5f8c\uff0c\u61c9\u8a72\u6e2c\u8a66\u65b0\u7684\u9023\u63a5\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u6e2c\u8a66\uff1a<\/p>\n<pre><code>using (var context = new YourDbContext())\n{\n    context.Database.Connection.Open();\n    Console.WriteLine(\"Connection successful!\");\n}<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-PwhgUIKEVL\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5\u6642\uff0c\u958b\u767c\u8005\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5728\u522a\u9664\u9023\u63a5\u4e4b\u524d\uff0c\u6240\u6709\u7684\u6578\u64da\u64cd\u4f5c\u90fd\u5df2\u5b8c\u6210\u3002<\/li>\n<li>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u78ba\u4fdd\u4e0d\u6703\u6709\u5176\u4ed6\u7dda\u7a0b\u6b63\u5728\u4f7f\u7528\u8a72\u9023\u63a5\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u66f4\u65b0\u9023\u63a5\u5b57\u7b26\u4e32\uff0c\u4ee5\u78ba\u4fdd\u5176\u6b63\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PwhgUIKEVL\">\u7e3d\u7d50<\/h2>\n<p>\u5728Entity Framework\u4e2d\uff0c\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\u3002\u901a\u904e\u78ba\u8a8d\u7576\u524d\u9023\u63a5\u3001\u95dc\u9589\u9023\u63a5\u3001\u66f4\u65b0\u9023\u63a5\u5b57\u7b26\u4e32\u4ee5\u53ca\u6e2c\u8a66\u65b0\u7684\u9023\u63a5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6e1b\u5c11\u6f5b\u5728\u7684\u932f\u8aa4\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728EF\u4e2d\u8f15\u9b06\u522a\u9664\u6578\u64da\u5eab\u9023\u63a5\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u6d41\u7a0b\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61273","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61273","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61273"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61273\/revisions"}],"predecessor-version":[{"id":61274,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61273\/revisions\/61274"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}