{"id":48697,"date":"2024-12-02T08:24:35","date_gmt":"2024-12-02T00:24:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48697\/"},"modified":"2024-12-02T08:24:35","modified_gmt":"2024-12-02T00:24:35","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-eloquent-%e8%ae%a1%e7%ae%97%e5%a4%9a%e5%88%97%e7%9a%84%e6%80%bb%e5%92%8c","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48697\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 Eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230\u7c73\u4e91\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u4f7f\u7528 Eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241030\/173025131067218a2e03385.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528 Eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528 Eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c\u63d2\u56fe\" \/><\/p>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u4f7f\u7528 eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c\u3002 laravel \u63d0\u4f9b\u4e86\u901a\u8fc7\u201csum\u201d\u65b9\u6cd5\u805a\u5408\u5217\u503c\u7684\u5185\u7f6e\u652f\u6301\uff0c\u5141\u8bb8\u60a8\u8ba1\u7b97\u5217\u503c\u7684\u603b\u548c\u3002\u60a8\u53ef\u4ee5\u5b66\u4e60\u5982\u4f55\u4f7f\u7528 eloquent \u8ba1\u7b97\u5217\u7684\u5e73\u5747\u503c<\/p>\n<p>\u8fd9\u91cc\u7684\u4e3b\u8981\u8b66\u544a\u662f eloquent \u4e00\u6b21\u53ea\u80fd\u5bf9\u4e00\u5217\u6c42\u548c\u3002\u8981\u5bf9 2 \u5217\u6c42\u548c\uff0c\u6211\u4eec\u53ef\u4ee5\u8c03\u7528 sum() \u4e24\u6b21\u5e76\u5c06\u5b83\u4eec\u76f8\u52a0\uff0c\u6216\u8005\u4f7f\u7528 db::raw \u663e\u5f0f\u5bf9\u4e24\u5217\u6c42\u548c\uff1a<\/p>\n<pre>$product = 'ps5'\n\n\/\/ calculating `online_sales + in_store_sales` using -&gt;sum()\n$eloquentsum = sale::where('product_name', $product)-&gt;sum('online_sales')\n               + sale::where('product_name', $product)-&gt;sum('in_store_sales');\n\n\/\/ calculating `online_sales + in_store_sales` using db::raw('sum(..)'\n$rawsum = sale::where('product_name', $product)\n    -&gt;select(db::raw('sum(online_sales + in_store_sales) as total_sales'))\n    -&gt;value('total_sales');\n<\/pre>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u5236\u4f5c\u4e00\u4e2a\u5e26\u6709\u8fc1\u79fb\u548c\u6a21\u578b\u7684\u7b80\u5355\u5e94\u7528\u7a0b\u5e8f\uff0c\u6dfb\u52a0\u4e00\u4e9b\u6d4b\u8bd5\u8bb0\u5f55\uff0c\u6700\u540e\u6f14\u793a\u5982\u4f55\u8ba1\u7b97 2 \u5217\u7684\u603b\u548c\u4ee5\u6253\u5370\u7279\u5b9a\u4ea7\u54c1\u7684 online_sales + in_store_sales\u3002\u6211\u5c06\u63d0\u4f9b\u4f7f\u7528 eloquent \u7684 sum() \u7684\u65b9\u6cd5\u4ee5\u53ca\u4f7f\u7528 db:raw(&#8216;sum(..)).<\/p>\n<p> \u7684\u65b9\u6cd5\u7684\u793a\u4f8b <\/p>\n<p>\u8ba9\u6211\u4eec\u5f00\u59cb\u5427\uff01\u5982\u4f55\u4f7f\u7528 eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c<br \/> \u5982\u4f55\u4f7f\u7528 eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c<br \/> \u7b2c 1 \u6b65\uff1a\u521b\u5efa laravel \u9879\u76ee<br \/> \u9996\u5148\u5728\u7ec8\u7aef\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 laravel \u9879\u76ee\uff1a<\/p>\n<pre>composer create-project laravel\/laravel sum-columns-example\ncd sum-columns-example\n<\/pre>\n<p>\u9605\u8bfb\u66f4\u591a<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5982\u4f55\u4f7f\u7528 Eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n<p> \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528 Eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c \u6536\u85cf \u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230\u7c73\u4e91\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u5982\u4f55\u4f7f\u7528 Eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01 \u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u4f7f\u7528 eloquent \u8ba1\u7b97\u591a\u5217\u7684\u603b\u548c\u3002 laravel \u63d0\u4f9b\u4e86\u901a\u8fc7\u201csum\u201d\u65b9\u6cd5\u805a\u5408\u5217\u503c\u7684\u5185\u7f6e\u652f\u6301\uff0c\u5141\u8bb8\u60a8\u8ba1\u7b97\u5217\u503c\u7684\u603b\u548c\u3002\u60a8\u53ef\u4ee5\u5b66\u4e60\u5982\u4f55\u4f7f\u7528 eloquent \u8ba1\u7b97\u5217\u7684\u5e73\u5747\u503c \u8fd9\u91cc\u7684\u4e3b\u8981\u8b66\u544a\u662f eloquent \u4e00\u6b21\u53ea\u80fd\u5bf9\u4e00\u5217\u6c42\u548c\u3002\u8981\u5bf9 2 \u5217\u6c42\u548c\uff0c\u6211\u4eec\u53ef\u4ee5\u8c03\u7528 sum() \u4e24\u6b21\u5e76\u5c06\u5b83\u4eec\u76f8\u52a0\uff0c\u6216\u8005\u4f7f\u7528 db::raw \u663e\u5f0f\u5bf9\u4e24\u5217\u6c42\u548c\uff1a $product = &#8216;ps5&#8217; \/\/ calculating `online_sales + in_store_sales` using -&gt;sum() $eloquentsum = sale::where(&#8216;product_name&#8217;, $product)-&gt;sum(&#8216;online_sales&#8217;) + sale::where(&#8216;product_name&#8217;, $product)-&gt;sum(&#8216;in_store_sales&#8217;); \/\/ calculating `online_sales + in_store_sales` using db::raw(&#8216;sum(..)&#8217; $rawsum = sale::where(&#8216;product_name&#8217;, $product) -&gt;select(db::raw(&#8216;sum(online_sales + in_store_sales) as [&hellip;]<\/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-48697","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48697","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=48697"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48697\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}