{"id":175775,"date":"2024-11-08T08:53:18","date_gmt":"2024-11-08T00:53:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175775\/"},"modified":"2024-11-08T08:53:19","modified_gmt":"2024-11-08T00:53:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-167-%e8%a6%96%e5%9c%96%e4%b8%8a%e4%b8%8d%e6%94%af%e6%8c%81%e7%9a%84%e9%81%b8%e9%a0%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175775\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 167 &#8211; \u8996\u5716\u4e0a\u4e0d\u652f\u6301\u7684\u9078\u9805"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-167-%e8%a6%96%e5%9c%96%e4%b8%8a%e4%b8%8d%e6%94%af%e6%8c%81%e7%9a%84%e9%81%b8%e9%a0%85-cHcCHVIhPJ\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 167 &#8211; \u8996\u5716\u4e0a\u4e0d\u652f\u6301\u7684\u9078\u9805<\/h1>\n<p>\u5728\u4f7f\u7528MongoDB\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc167\uff0c\u9019\u901a\u5e38\u8868\u793a\u5728\u8996\u5716\u4e0a\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u7684\u9078\u9805\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc167%e7%9a%84%e8%83%8c%e6%99%af-cHcCHVIhPJ\">\u932f\u8aa4\u4ee3\u78bc167\u7684\u80cc\u666f<\/h2>\n<p>MongoDB\u662f\u4e00\u500b\u6d41\u884c\u7684NoSQL\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5b83\u7684\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u4f7f\u5176\u6210\u70ba\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u7576\u4f7f\u7528\u8996\u5716\uff08views\uff09\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\u4ee3\u78bc167\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u5275\u5efa\u6216\u67e5\u8a62\u8996\u5716\u6642\uff0c\u4e26\u4e14\u4f7f\u7528\u4e86\u4e0d\u88ab\u652f\u6301\u7684\u9078\u9805\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-cHcCHVIhPJ\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc167\u7684\u4e3b\u8981\u539f\u56e0\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4e0d\u652f\u6301\u7684\u805a\u5408\u64cd\u4f5c\uff1a<\/strong>\u5728\u8996\u5716\u4e2d\u4f7f\u7528\u67d0\u4e9b\u805a\u5408\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u805a\u5408\u7ba1\u9053\u64cd\u4f5c\u7b26\u5728\u8996\u5716\u4e2d\u4e26\u4e0d\u88ab\u652f\u6301\u3002<\/li>\n<li><strong>\u4e0d\u6b63\u78ba\u7684\u9078\u9805\u914d\u7f6e\uff1a<\/strong>\u5728\u5275\u5efa\u8996\u5716\u6642\uff0c\u5982\u679c\u9078\u9805\u914d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u4f8b\u5982\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u7684\u9078\u9805\uff0c\u5247\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7248\u672c\u4e0d\u517c\u5bb9\uff1a<\/strong>\u67d0\u4e9bMongoDB\u7248\u672c\u53ef\u80fd\u4e0d\u652f\u6301\u7279\u5b9a\u7684\u8996\u5716\u9078\u9805\uff0c\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u4ee3\u78bc167\u7684\u51fa\u73fe\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc167-cHcCHVIhPJ\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc167<\/h2>\n<p>\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc167\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e8%81%9a%e5%90%88%e6%93%8d%e4%bd%9c-cHcCHVIhPJ\">1. \u6aa2\u67e5\u805a\u5408\u64cd\u4f5c<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u60a8\u5728\u8996\u5716\u4e2d\u4f7f\u7528\u7684\u805a\u5408\u64cd\u4f5c\u3002\u78ba\u4fdd\u9019\u4e9b\u64cd\u4f5c\u662fMongoDB\u652f\u6301\u7684\u3002\u60a8\u53ef\u4ee5\u53c3\u8003\u5b98\u65b9\u6587\u6a94\uff0c\u4e86\u89e3\u54ea\u4e9b\u805a\u5408\u64cd\u4f5c\u53ef\u4ee5\u5728\u8996\u5716\u4e2d\u4f7f\u7528\u3002<\/p>\n<pre><code>{\n    $match: { status: \"active\" },\n    $group: { _id: \"$category\", total: { $sum: \"$amount\" } }\n}<\/code><\/pre>\n<h3 id=\"2-%e9%a9%97%e8%ad%89%e8%a6%96%e5%9c%96%e9%81%b8%e9%a0%85-cHcCHVIhPJ\">2. \u9a57\u8b49\u8996\u5716\u9078\u9805<\/h3>\n<p>\u5728\u5275\u5efa\u8996\u5716\u6642\uff0c\u4ed4\u7d30\u6aa2\u67e5\u60a8\u6240\u4f7f\u7528\u7684\u9078\u9805\u3002\u78ba\u4fdd\u6240\u6709\u9078\u9805\u90fd\u662f\u6709\u6548\u7684\uff0c\u4e26\u4e14\u7b26\u5408MongoDB\u7684\u8981\u6c42\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u8996\u5716\uff1a<\/p>\n<pre><code>db.createView(\"activeUsers\", \"users\", [ { $match: { status: \"active\" } } ])<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0mongodb%e7%89%88%e6%9c%ac-cHcCHVIhPJ\">3. \u66f4\u65b0MongoDB\u7248\u672c<\/h3>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684MongoDB\u7248\u672c\u8f03\u820a\uff0c\u8003\u616e\u5347\u7d1a\u5230\u6700\u65b0\u7248\u672c\u3002\u65b0\u7248\u672c\u901a\u5e38\u6703\u4fee\u5fa9\u820a\u7248\u672c\u4e2d\u7684\u932f\u8aa4\uff0c\u4e26\u589e\u52a0\u5c0d\u65b0\u529f\u80fd\u7684\u652f\u6301\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7576\u524d\u7248\u672c\uff1a<\/p>\n<pre><code>db.version()<\/code><\/pre>\n<h3 id=\"4-%e6%9f%a5%e9%96%b1%e5%ae%98%e6%96%b9%e6%96%87%e6%aa%94-cHcCHVIhPJ\">4. \u67e5\u95b1\u5b98\u65b9\u6587\u6a94<\/h3>\n<p>\u6700\u5f8c\uff0c\u67e5\u95b1MongoDB\u7684\u5b98\u65b9\u6587\u6a94\u662f\u89e3\u6c7a\u554f\u984c\u7684\u597d\u65b9\u6cd5\u3002\u5b98\u65b9\u6587\u6a94\u63d0\u4f9b\u4e86\u8a73\u7d30\u7684\u932f\u8aa4\u4ee3\u78bc\u89e3\u91cb\u548c\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cHcCHVIhPJ\">\u7e3d\u7d50<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc167\u5728MongoDB\u4e2d\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u8207\u4e0d\u652f\u6301\u7684\u8996\u5716\u9078\u9805\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u805a\u5408\u64cd\u4f5c\u3001\u9a57\u8b49\u8996\u5716\u9078\u9805\u3001\u66f4\u65b0MongoDB\u7248\u672c\u4ee5\u53ca\u67e5\u95b1\u5b98\u65b9\u6587\u6a94\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u904b\u884cMongoDB\u5c07\u662f\u660e\u667a\u7684\u9078\u64c7\u3002\u5e0c\u671b\u9019\u7bc7\u6587\u7ae0\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u89e3\u6c7aMongoDB\u932f\u8aa4\u4ee3\u78bc167\u7684\u554f\u984c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc167\uff0c\u89e3\u6c7a\u8996\u5716\u4e0a\u4e0d\u652f\u6301\u7684\u9078\u9805\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-175775","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175775","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=175775"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175775\/revisions"}],"predecessor-version":[{"id":175776,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175775\/revisions\/175776"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}