MongoDB \u63d0\u4f9b aggregate() \u65b9\u6cd5\u8c03\u7528\u5916\u90e8\u51fd\u6570\uff0c\u7528\u4e8e\u5728\u805a\u5408\u7ba1\u9053\u9636\u6bb5\u6267\u884c\u5b58\u50a8\u5728 MongoDB \u4e2d\u7684 JavaScript \u4ee3\u7801\u3002\u8be5\u51fd\u6570\u901a\u8fc7 ‘$function’ \u53c2\u6570\u914d\u7f6e\uff0c\u5305\u62ec\u4ee3\u7801\u4e3b\u4f53\u3001\u53c2\u6570\u548c\u8bed\u8a00\uff08\u9ed8\u8ba4\u4e3a “js”\uff09\u3002\u5b9e\u6218\u6848\u4f8b\u4e2d\uff0c\u901a\u8fc7\u5916\u90e8\u51fd\u6570\u8ba1\u7b97\u4e86\u8ba2\u5355\u7684\u603b\u91d1\u989d\u5e76\u8f93\u51fa\u4e3a “Order ID: , Total Amount: ” \u683c\u5f0f\u3002<\/p>\n
![\"PHP](\"https:\/\/www.17golang.com\/uploads\/20241027\/1730015261671df01dc7e20.jpg\" "\\"PHP")
<\/p>\n
PHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 MongoDB \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f<\/strong><\/p>\n MongoDB \u5141\u8bb8\u901a\u8fc7 \u8bed\u6cd5\uff1a<\/strong><\/p>\n \u53c2\u6570\uff1a<\/strong><\/p>\n \u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a “orders” \u7684\u96c6\u5408\uff0c\u5176\u4e2d\u5305\u542b\u8ba2\u5355\u6570\u636e\u3002\u73b0\u5728\uff0c\u6211\u4eec\u60f3\u4f7f\u7528\u5916\u90e8\u51fd\u6570\u5c06\u6bcf\u4e2a\u8ba2\u5355\u7684\u603b\u91d1\u989d\u8ba1\u7b97\u4e3a\u603b\u989d\u5b57\u6bb5\u3002<\/p>\n \u4ee3\u7801\uff1a<\/strong><\/p>\n \u8f93\u51fa\uff1a<\/strong><\/p>\n \u672c\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 MongoDB \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":" PHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 MongoDB \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f \u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003\uff01\u4eca\u5929\u7c73\u4e91\u5c0f\u7f16\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 MongoDB \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f\u300b\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u5305\u542b\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6216\u51c6\u5907\u5b66\u4e60\u6587\u7ae0\uff0c\u5c31\u90fd\u4e0d\u8981\u9519\u8fc7\u672c\u6587\u5566~\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff0c\u80fd\u5e2e\u52a9\u5230\u4f60\u5c31\u66f4\u597d\u4e86\uff01 MongoDB \u63d0\u4f9b aggregate() \u65b9\u6cd5\u8c03\u7528\u5916\u90e8\u51fd\u6570\uff0c\u7528\u4e8e\u5728\u805a\u5408\u7ba1\u9053\u9636\u6bb5\u6267\u884c\u5b58\u50a8\u5728 MongoDB \u4e2d\u7684 JavaScript \u4ee3\u7801\u3002\u8be5\u51fd\u6570\u901a\u8fc7 ‘$function’ \u53c2\u6570\u914d\u7f6e\uff0c\u5305\u62ec\u4ee3\u7801\u4e3b\u4f53\u3001\u53c2\u6570\u548c\u8bed\u8a00\uff08\u9ed8\u8ba4\u4e3a “js”\uff09\u3002\u5b9e\u6218\u6848\u4f8b\u4e2d\uff0c\u901a\u8fc7\u5916\u90e8\u51fd\u6570\u8ba1\u7b97\u4e86\u8ba2\u5355\u7684\u603b\u91d1\u989d\u5e76\u8f93\u51fa\u4e3a “Order ID: , Total Amount: ” \u683c\u5f0f\u3002 PHP \u51fd\u6570\u5982\u4f55\u4f7f\u7528 MongoDB \u8c03\u7528\u5916\u90e8\u51fd\u6570\uff1f MongoDB \u5141\u8bb8\u901a\u8fc7 aggregate() \u65b9\u6cd5\u8c03\u7528\u5916\u90e8\u51fd\u6570\u3002\u5916\u90e8\u51fd\u6570\u662f\u5b58\u50a8\u5728 MongoDB \u6570\u636e\u5e93\u4e2d\u7684 JavaScript \u4ee3\u7801\uff0c\u53ef\u4ee5\u5728\u805a\u5408\u7ba1\u9053\u9636\u6bb5\u5185\u8c03\u7528\u3002 \u8bed\u6cd5\uff1a aggregate([ [ ‘$addFields’ => [ ‘<field_name>’ => [ ‘$function’ => [ ‘body’ => ‘<javascript_code>’, ‘args’ => […]<\/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-48342","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48342","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=48342"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48342\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}aggregate()<\/code> \u65b9\u6cd5\u8c03\u7528\u5916\u90e8\u51fd\u6570\u3002\u5916\u90e8\u51fd\u6570\u662f\u5b58\u50a8\u5728 MongoDB \u6570\u636e\u5e93\u4e2d\u7684 JavaScript \u4ee3\u7801\uff0c\u53ef\u4ee5\u5728\u805a\u5408\u7ba1\u9053\u9636\u6bb5\u5185\u8c03\u7528\u3002<\/p>\naggregate([\n [\n '$addFields' => [\n '<field_name>' => [\n '$function' => [\n 'body' => '<javascript_code>',\n 'args' => ['<arg1>', '<arg2>', ...],\n 'lang' => 'js'\n ]\n ]\n ]\n ]\n]);<\/pre>\n
\n
use MongoDB\\BSON\\ObjectId;\nuse MongoDB\\Client;\n\n$client = new Client();\n$collection = $client->test->orders;\n\n$pipeline = [\n [\n '$addFields' => [\n 'total_amount' => [\n '$function' => [\n 'body' => 'function (order) {\n var total = 0;\n for (var i = 0; i < order.items.length; i++) {\n total += order.items[i].price * order.items[i].quantity;\n }\n return total;\n }',\n 'args' => ['$order'],\n 'lang' => 'js'\n ]\n ]\n ]\n ]\n];\n\n$result = $collection->aggregate($pipeline);\n\nforeach ($result as $order) {\n echo \"Order ID: \" . $order['_id'] . \", Total Amount: \" . $order['total_amount'] . \"\\n\";\n}<\/pre>\nOrder ID: new ObjectId(\"5f4dc3f5e0f67a4721ede276\"), Total Amount: 100\nOrder ID: new ObjectId(\"5f4dc401e0f67a4721ede277\"), Total Amount: 200<\/pre>\n