{"id":196287,"date":"2024-11-13T22:00:24","date_gmt":"2024-11-13T14:00:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196287\/"},"modified":"2024-11-13T22:00:25","modified_gmt":"2024-11-13T14:00:25","slug":"%e7%9c%9f%e7%9b%b8%e5%a4%a7%e7%99%bd%ef%bc%9a%e7%82%ba%e4%bb%80%e9%ba%bcentity-framework%e4%b8%8d%e8%83%bd%e9%80%b2%e8%a1%8c%e8%b7%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%ef%bc%88%e9%99%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196287\/","title":{"rendered":"\u771f\u76f8\u5927\u767d\uff1a\u70ba\u4ec0\u9ebcEntity Framework\u4e0d\u80fd\u9032\u884c\u8de8\u6578\u64da\u5eab\u67e5\u8a62\uff08\u9644\u89e3\u6c7a\u65b9\u6cd5\uff09"},"content":{"rendered":"<h1 id=\"%e7%9c%9f%e7%9b%b8%e5%a4%a7%e7%99%bd%ef%bc%9a%e7%82%ba%e4%bb%80%e9%ba%bcentity-framework%e4%b8%8d%e8%83%bd%e9%80%b2%e8%a1%8c%e8%b7%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%ef%bc%88%e9%99%84-bZAjZohxEO\">\u771f\u76f8\u5927\u767d\uff1a\u70ba\u4ec0\u9ebcEntity 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id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%b3%95-bZAjZohxEO\">\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n<p>\u5118\u7ba1Entity Framework\u672c\u8eab\u4e0d\u652f\u6301\u8de8\u6578\u64da\u5eab\u67e5\u8a62\uff0c\u4f46\u958b\u767c\u8005\u4ecd\u7136\u53ef\u4ee5\u63a1\u53d6\u4e00\u4e9b\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u9700\u6c42\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%8e%9f%e5%a7%8bsql%e6%9f%a5%e8%a9%a2-bZAjZohxEO\">1. \u4f7f\u7528\u539f\u59cbSQL\u67e5\u8a62<\/h3>\n<p>\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528EF\u7684\u539f\u59cbSQL\u67e5\u8a62\u529f\u80fd\u4f86\u624b\u52d5\u7de8\u5beb\u8de8\u6578\u64da\u5eab\u7684\u67e5\u8a62\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>var result = context.Database.SqlQuery&lt;YourEntity&gt;(\n    \"SELECT * FROM Database1.dbo.Table1 UNION SELECT * FROM Database2.dbo.Table2\").ToList();<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u96d6\u7136\u9748\u6d3b\uff0c\u4f46\u9700\u8981\u958b\u767c\u8005\u5c0dSQL\u8a9e\u6cd5\u6709\u4e00\u5b9a\u7684\u4e86\u89e3\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e8%a6%96%e5%9c%96%e6%88%96%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-bZAjZohxEO\">2. \u4f7f\u7528\u8996\u5716\u6216\u5b58\u5132\u904e\u7a0b<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u5275\u5efa\u6578\u64da\u5eab\u8996\u5716\u6216\u5b58\u5132\u904e\u7a0b\uff0c\u5c07\u8de8\u6578\u64da\u5eab\u7684\u908f\u8f2f\u5c01\u88dd\u5728\u6578\u64da\u5eab\u5c64\u3002\u7136\u5f8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904eEF\u8abf\u7528\u9019\u4e9b\u8996\u5716\u6216\u5b58\u5132\u904e\u7a0b\u4f86\u7372\u53d6\u6578\u64da\u3002<\/p>\n<pre><code>var result = context.Database.SqlQuery&lt;YourEntity&gt;(\"EXEC GetCombinedData\").ToList();<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e5%90%8c%e6%ad%a5-bZAjZohxEO\">3. 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