{"id":61265,"date":"2024-10-13T09:48:15","date_gmt":"2024-10-13T01:48:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61265\/"},"modified":"2024-10-13T09:48:15","modified_gmt":"2024-10-13T01:48:15","slug":"ef6%e5%a6%82%e4%bd%95%e6%9b%b4%e6%8f%9b%e6%95%b8%e6%93%9a%e5%ba%abip%ef%bc%9f-ef6-%e6%9b%b4%e6%8f%9b%e6%95%b8%e6%93%9a%e5%ba%abip","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61265\/","title":{"rendered":"EF6\u5982\u4f55\u66f4\u63db\u6578\u64da\u5eabIP\uff1f (ef6 \u66f4\u63db\u6578\u64da\u5eabip)"},"content":{"rendered":"<h1 id=\"ef6%e5%a6%82%e4%bd%95%e6%9b%b4%e6%8f%9b%e6%95%b8%e6%93%9a%e5%ba%abip%ef%bc%9f-cbAAteIaMu\">EF6\u5982\u4f55\u66f4\u63db\u6578\u64da\u5eabIP\uff1f<\/h1>\n<p>\u5728\u4f7f\u7528Entity Framework 6\uff08EF6\uff09\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u9700\u8981\u66f4\u63db\u6578\u64da\u5eabIP\u7684\u60c5\u6cc1\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u6578\u64da\u5eab\u4f3a\u670d\u5668\u7684IP\u5730\u5740\u8b8a\u66f4\uff0c\u6216\u8005\u9700\u8981\u5c07\u61c9\u7528\u7a0b\u5e8f\u6307\u5411\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4f3a\u670d\u5668\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728EF6\u4e2d\u66f4\u63db\u6578\u64da\u5eabIP\uff0c\u5305\u62ec\u914d\u7f6e\u6587\u4ef6\u7684\u4fee\u6539\u548c\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3ef6%e7%9a%84%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2-cbAAteIaMu\">1. \u7406\u89e3EF6\u7684\u9023\u63a5\u5b57\u7b26\u4e32<\/h2>\n<p>EF6\u4f7f\u7528\u9023\u63a5\u5b57\u7b26\u4e32\u4f86\u9023\u63a5\u6578\u64da\u5eab\u3002\u9023\u63a5\u5b57\u7b26\u4e32\u901a\u5e38\u5305\u542b\u6578\u64da\u5eab\u7684IP\u5730\u5740\u3001\u7aef\u53e3\u865f\u3001\u6578\u64da\u5eab\u540d\u7a31\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u7b49\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5178\u578b\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u793a\u4f8b\uff1a<\/p>\n<pre><code>Server=192.168.1.1;Database=MyDatabase;User Id=myUsername;Password=myPassword;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>Server<\/code>\u90e8\u5206\u6307\u5b9a\u4e86\u6578\u64da\u5eab\u7684IP\u5730\u5740\u3002\u5982\u679c\u9700\u8981\u66f4\u63db\u6578\u64da\u5eab\u7684IP\uff0c\u53ea\u9700\u4fee\u6539\u9019\u4e00\u90e8\u5206\u5373\u53ef\u3002<\/p>\n<h2 id=\"2-%e4%bf%ae%e6%94%b9app-config%e6%88%96web-config%e6%96%87%e4%bb%b6-cbAAteIaMu\">2. \u4fee\u6539App.config\u6216Web.config\u6587\u4ef6<\/h2>\n<p>\u5728\u5927\u591a\u6578EF6\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u9023\u63a5\u5b57\u7b26\u4e32\u901a\u5e38\u5b58\u5132\u5728<code>App.config<\/code>\u6216<code>Web.config<\/code>\u6587\u4ef6\u4e2d\u3002\u8981\u66f4\u63db\u6578\u64da\u5eabIP\uff0c\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li>\u6253\u958b<code>App.config<\/code>\u6216<code>Web.config<\/code>\u6587\u4ef6\u3002<\/li>\n<li>\u627e\u5230<code>connectionStrings<\/code>\u7bc0\u9ede\u3002<\/li>\n<li>\u4fee\u6539<code>Server<\/code>\u7684\u503c\u70ba\u65b0\u7684IP\u5730\u5740\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;connectionStrings&gt;\n    &lt;add name=\"MyContext\" \n         connectionString=\"Server=192.168.1.2;Database=MyDatabase;User Id=myUsername;Password=myPassword;\" \n         providerName=\"System.Data.SqlClient\" \/&gt;\n&lt;\/connectionStrings&gt;<\/code><\/pre>\n<h2 id=\"3-%e5%9c%a8%e4%bb%a3%e7%a2%bc%e4%b8%ad%e5%8b%95%e6%85%8b%e8%a8%ad%e7%bd%ae%e9%80%a3%e6%8e%a5%e5%ad%97%e7%ac%a6%e4%b8%b2-cbAAteIaMu\">3. \u5728\u4ee3\u78bc\u4e2d\u52d5\u614b\u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u4e32<\/h2>\n<p>\u9664\u4e86\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u4e32\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u5728\u4ee3\u78bc\u4e2d\u52d5\u614b\u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u4e32\u3002\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u6839\u64da\u7528\u6236\u7684\u9078\u64c7\u4f86\u66f4\u63db\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>public class MyContext : DbContext\n{\n    public MyContext(string connectionString) : base(connectionString) { }\n}\n\n\/\/ \u4f7f\u7528\u65b0\u7684IP\u5730\u5740\u5275\u5efa\u4e0a\u4e0b\u6587\nstring newConnectionString = \"Server=192.168.1.2;Database=MyDatabase;User Id=myUsername;Password=myPassword;\";\nusing (var context = new MyContext(newConnectionString))\n{\n    \/\/ \u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\n}<\/code><\/pre>\n<h2 id=\"4-%e6%b8%ac%e8%a9%a6%e9%80%a3%e6%8e%a5-cbAAteIaMu\">4. \u6e2c\u8a66\u9023\u63a5<\/h2>\n<p>\u5728\u66f4\u63db\u6578\u64da\u5eabIP\u5f8c\uff0c\u5efa\u8b70\u9032\u884c\u6e2c\u8a66\u4ee5\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u6210\u529f\u9023\u63a5\u5230\u65b0\u7684\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u901a\u904e\u7c21\u55ae\u7684\u67e5\u8a62\u4f86\u9a57\u8b49\u9023\u63a5\u662f\u5426\u6b63\u5e38\uff1a<\/p>\n<pre><code>var testQuery = context.MyTable.FirstOrDefault();\nif (testQuery != null)\n{\n    Console.WriteLine(\"\u9023\u63a5\u6210\u529f\uff01\");\n}\nelse\n{\n    Console.WriteLine(\"\u9023\u63a5\u5931\u6557\uff01\");\n}<\/code><\/pre>\n<h2 id=\"5-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-cbAAteIaMu\">5. \u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u66f4\u63db\u6578\u64da\u5eabIP\u6642\uff0c\u9084\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u65b0\u7684\u6578\u64da\u5eab\u4f3a\u670d\u5668\u5df2\u555f\u52d5\u4e26\u53ef\u8a2a\u554f\u3002<\/li>\n<li>\u6aa2\u67e5\u9632\u706b\u7246\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u901a\u904e\u65b0\u7684IP\u5730\u5740\u8a2a\u554f\u6578\u64da\u5eab\u3002<\/li>\n<li>\u5982\u679c\u4f7f\u7528\u7684\u662f\u96f2\u6578\u64da\u5eab\uff0c\u8acb\u78ba\u8a8d\u76f8\u95dc\u7684\u5b89\u5168\u7d44\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cbAAteIaMu\">\u7e3d\u7d50<\/h2>\n<p>\u66f4\u63dbEF6\u4e2d\u7684\u6578\u64da\u5eabIP\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u4fee\u6539\u9023\u63a5\u5b57\u7b26\u4e32\u5373\u53ef\u3002\u7121\u8ad6\u662f\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u9084\u662f\u5728\u4ee3\u78bc\u4e2d\u52d5\u614b\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u65b0\u7684IP\u5730\u5740\u6b63\u78ba\u4e14\u53ef\u8a2a\u554f\u662f\u95dc\u9375\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u9078\u64c7\u5408\u9069\u7684\u4f3a\u670d\u5668\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728EF6\u4e2d\u66f4\u63db\u6578\u64da\u5eabIP\uff0c\u7c21\u55ae\u6b65\u9a5f\u6559\u4f60\u66f4\u65b0\u9023\u63a5\u5b57\u7b26\u4e32\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u6b63\u5e38\u904b\u884c\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-61265","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61265","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=61265"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61265\/revisions"}],"predecessor-version":[{"id":61266,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61265\/revisions\/61266"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}