{"id":35765,"date":"2024-11-26T09:55:41","date_gmt":"2024-11-26T01:55:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35765\/"},"modified":"2024-11-26T09:55:41","modified_gmt":"2024-11-26T01:55:41","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e6%88%91%e7%9a%84-c-%e4%bb%a3%e7%a0%81%e5%a4%9a%e8%a1%a8%e6%9f%a5%e8%af%a2%e5%a4%b1%e8%b4%a5%ef%bc%8c%e4%bd%86%e5%9c%a8-cmd-%e4%b8%ad%e5%8d%b4%e5%8f%af%e4%bb%a5%e6%ad%a3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35765\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u6211\u7684 C# \u4ee3\u7801\u591a\u8868\u67e5\u8be2\u5931\u8d25\uff0c\u4f46\u5728 CMD \u4e2d\u5374\u53ef\u4ee5\u6b63\u5e38\u8fd4\u56de\u7ed3\u679c\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173072430313665.jpg\" class=\"aligncenter\" title=\"\u4e3a\u4ec0\u4e48\u6211\u7684 C# \u4ee3\u7801\u591a\u8868\u67e5\u8be2\u5931\u8d25\uff0c\u4f46\u5728 CMD \u4e2d\u5374\u53ef\u4ee5\u6b63\u5e38\u8fd4\u56de\u7ed3\u679c\uff1f\u63d2\u56fe\" alt=\"\u4e3a\u4ec0\u4e48\u6211\u7684 C# \u4ee3\u7801\u591a\u8868\u67e5\u8be2\u5931\u8d25\uff0c\u4f46\u5728 CMD \u4e2d\u5374\u53ef\u4ee5\u6b63\u5e38\u8fd4\u56de\u7ed3\u679c\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\uff0c\u5bf9\u5e94 cmd \u4e2d\u53ef\u6210\u529f\u67e5\u8be2<\/strong><\/p>\n<p>\u5728  \u4ee3\u7801\u4e2d\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\u65f6\u9047\u5230\u56f0\u96be\uff0c\u800c\u540e\u5728 cmd \u4e2d\u4f7f\u7528\u76f8\u540c\u67e5\u8be2\u6b63\u5e38\u8fd4\u56de\u7ed3\u679c\u3002\u672c\u6587\u5c06\u5206\u6790\u539f\u56e0\uff0c\u5e2e\u52a9\u4f60\u89e3\u51b3\u4ee3\u7801\u4e2d\u591a\u8868\u67e5\u8be2\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5728\u4ee3\u7801\u5b9e\u73b0\u4e2d\uff0c\u4f60\u7684\u67e5\u8be2\u5982\u4e0b\uff1a<\/p>\n<pre>var data = await _db.orders.Select(a =&gt; new { a.orderid, a.orderState }).ToListAsync();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7ed3\u5408\u95ee\u9898\u4e2d\u7ed9\u51fa\u7684\u622a\u56fe\uff0c\u53ef\u4ee5\u770b\u51fa\u4f60\u7684\u5b9e\u4f53\u4e2d\u786e\u5b9e\u6ca1\u6709 orderstatus \u5b57\u6bb5\u3002\u800c\u5728 cmd \u4e2d\uff0c\u4f60\u4f7f\u7528\u4e86 orderstatus \u4f5c\u4e3a\u67e5\u8be2\u6761\u4ef6\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee3\u7801\u4e2d\u67e5\u8be2\u5931\u8d25\u3002<\/p>\n<p>\u95ee\u9898\u53ef\u80fd\u7684\u6839\u6e90\u5728\u4e8e\u4f60\u7684\u5b9e\u4f53\u6a21\u578b\u4e0e\u6570\u636e\u5e93\u8868\u7ed3\u6784\u4e0d\u5339\u914d\u3002\u5efa\u8bae\u4ed4\u7ec6\u68c0\u67e5\u4f60\u7684\u5b9e\u4f53\u7c7b\u662f\u5426\u6b63\u786e\u6620\u5c04\u4e86\u6570\u636e\u5e93\u8868\u5b57\u6bb5\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u8bf7\u786e\u4fdd\u5b9e\u4f53\u7c7b\u4e2d\u5305\u542b orderstatus \u5b57\u6bb5\uff0c\u5e76\u4e0e\u6570\u636e\u5e93\u8868\u4e2d\u7684\u5b57\u6bb5\u540d\u79f0\u4e00\u81f4\u3002<\/p>\n<p>\u4e00\u65e6\u5b9e\u4f53\u6a21\u578b\u66f4\u6b63\uff0c\u4f60\u5e94\u8be5\u53ef\u4ee5\u6210\u529f\u5730\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\uff0c\u4e0e cmd \u4e2d\u67e5\u8be2\u5f97\u5230\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u7684 C# \u4ee3\u7801\u591a\u8868\u67e5\u8be2\u5931\u8d25\uff0c\u4f46\u5728 CMD \u4e2d\u5374\u53ef\u4ee5\u6b63\u5e38\u8fd4\u56de\u7ed3\u679c\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\uff0c\u5bf9\u5e94 cmd \u4e2d\u53ef\u6210\u529f\u67e5\u8be2 \u5728 \u4ee3\u7801\u4e2d\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\u65f6\u9047\u5230\u56f0\u96be\uff0c\u800c\u540e\u5728 cmd \u4e2d\u4f7f\u7528\u76f8\u540c\u67e5\u8be2\u6b63\u5e38\u8fd4\u56de\u7ed3\u679c\u3002\u672c\u6587\u5c06\u5206\u6790\u539f\u56e0\uff0c\u5e2e\u52a9\u4f60\u89e3\u51b3\u4ee3\u7801\u4e2d\u591a\u8868\u67e5\u8be2\u7684\u95ee\u9898\u3002 \u5728\u4ee3\u7801\u5b9e\u73b0\u4e2d\uff0c\u4f60\u7684\u67e5\u8be2\u5982\u4e0b\uff1a var data = await _db.orders.Select(a =&gt; new { a.orderid, a.orderState }).ToListAsync(); \u767b\u5f55\u540e\u590d\u5236 \u7ed3\u5408\u95ee\u9898\u4e2d\u7ed9\u51fa\u7684\u622a\u56fe\uff0c\u53ef\u4ee5\u770b\u51fa\u4f60\u7684\u5b9e\u4f53\u4e2d\u786e\u5b9e\u6ca1\u6709 orderstatus \u5b57\u6bb5\u3002\u800c\u5728 cmd \u4e2d\uff0c\u4f60\u4f7f\u7528\u4e86 orderstatus \u4f5c\u4e3a\u67e5\u8be2\u6761\u4ef6\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee3\u7801\u4e2d\u67e5\u8be2\u5931\u8d25\u3002 \u95ee\u9898\u53ef\u80fd\u7684\u6839\u6e90\u5728\u4e8e\u4f60\u7684\u5b9e\u4f53\u6a21\u578b\u4e0e\u6570\u636e\u5e93\u8868\u7ed3\u6784\u4e0d\u5339\u914d\u3002\u5efa\u8bae\u4ed4\u7ec6\u68c0\u67e5\u4f60\u7684\u5b9e\u4f53\u7c7b\u662f\u5426\u6b63\u786e\u6620\u5c04\u4e86\u6570\u636e\u5e93\u8868\u5b57\u6bb5\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u8bf7\u786e\u4fdd\u5b9e\u4f53\u7c7b\u4e2d\u5305\u542b orderstatus \u5b57\u6bb5\uff0c\u5e76\u4e0e\u6570\u636e\u5e93\u8868\u4e2d\u7684\u5b57\u6bb5\u540d\u79f0\u4e00\u81f4\u3002 \u4e00\u65e6\u5b9e\u4f53\u6a21\u578b\u66f4\u6b63\uff0c\u4f60\u5e94\u8be5\u53ef\u4ee5\u6210\u529f\u5730\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\u591a\u8868\u67e5\u8be2\uff0c\u4e0e cmd \u4e2d\u67e5\u8be2\u5f97\u5230\u76f8\u540c\u7684\u7ed3\u679c\u3002 \u4ee5\u4e0a\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u7684 C# \u4ee3\u7801\u591a\u8868\u67e5\u8be2\u5931\u8d25\uff0c\u4f46\u5728 CMD \u4e2d\u5374\u53ef\u4ee5\u6b63\u5e38\u8fd4\u56de\u7ed3\u679c\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-35765","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35765","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=35765"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35765\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}