{"id":63942,"date":"2024-10-14T03:47:13","date_gmt":"2024-10-13T19:47:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/63942\/"},"modified":"2024-10-14T03:47:13","modified_gmt":"2024-10-13T19:47:13","slug":"mongodb%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e4%bf%ae%e6%94%b9%e6%96%b9%e6%b3%95%ef%bc%88mongodb%e4%bf%ae%e6%94%b9%e9%a1%9e%e5%9e%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/63942\/","title":{"rendered":"MongoDB\u6578\u64da\u985e\u578b\u4fee\u6539\u65b9\u6cd5\uff08mongodb\u4fee\u6539\u985e\u578b\uff09"},"content":{"rendered":"<h1 id=\"mongodb%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e4%bf%ae%e6%94%b9%e6%96%b9%e6%b3%95%ef%bc%88mongodb%e4%bf%ae%e6%94%b9%e9%a1%9e%e5%9e%8b%ef%bc%89-BWcTNTpYTS\">MongoDB\u6578\u64da\u985e\u578b\u4fee\u6539\u65b9\u6cd5\uff08mongodb\u4fee\u6539\u985e\u578b\uff09<\/h1>\n<p>\u5728\u4f7f\u7528MongoDB\u9032\u884c\u6578\u64da\u7ba1\u7406\u6642\uff0c\u6578\u64da\u985e\u578b\u7684\u6b63\u78ba\u6027\u5c0d\u65bc\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u61c9\u7528\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002MongoDB\u662f\u4e00\u500b\u9748\u6d3b\u7684NoSQL\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u4fee\u6539\u73fe\u6709\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728MongoDB\u4e2d\u4fee\u6539\u6578\u64da\u985e\u578b\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"mongodb%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-BWcTNTpYTS\">MongoDB\u4e2d\u7684\u6578\u64da\u985e\u578b<\/h2>\n<p>MongoDB\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>String<\/code>\uff1a\u5b57\u7b26\u4e32\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u6587\u672c\u3002<\/li>\n<li><code>Integer<\/code>\uff1a\u6574\u6578\u985e\u578b\uff0c\u9069\u5408\u5b58\u5132\u6578\u5b57\u3002<\/li>\n<li><code>Double<\/code>\uff1a\u6d6e\u9ede\u6578\u985e\u578b\uff0c\u7528\u65bc\u5b58\u5132\u5c0f\u6578\u3002<\/li>\n<li><code>Boolean<\/code>\uff1a\u5e03\u723e\u985e\u578b\uff0c\u8868\u793a\u771f\u6216\u5047\u3002<\/li>\n<li><code>Array<\/code>\uff1a\u6578\u7d44\u985e\u578b\uff0c\u53ef\u4ee5\u5b58\u5132\u591a\u500b\u503c\u3002<\/li>\n<li><code>Object<\/code>\uff1a\u5c0d\u8c61\u985e\u578b\uff0c\u652f\u6301\u5d4c\u5957\u7d50\u69cb\u3002<\/li>\n<li><code>Date<\/code>\uff1a\u65e5\u671f\u985e\u578b\uff0c\u7528\u65bc\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-BWcTNTpYTS\">\u4fee\u6539\u6578\u64da\u985e\u578b\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u4fee\u6539\u6578\u64da\u985e\u578b\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u5230\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e7%95%b6%e5%89%8d%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-BWcTNTpYTS\">1. \u78ba\u8a8d\u7576\u524d\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u4fee\u6539\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u7576\u524d\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u8a62\u96c6\u5408\u4e2d\u7684\u6587\u6a94\uff1a<\/p>\n<pre><code>db.collection.find().pretty()<\/code><\/pre>\n<h3>2. \u4f7f\u7528<code>update<\/code>\u547d\u4ee4\u4fee\u6539\u6578\u64da\u985e\u578b<\/h3>\n<p>MongoDB\u4e0d\u652f\u6301\u76f4\u63a5\u4fee\u6539\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\uff0c\u4f46\u53ef\u4ee5\u901a\u904e\u66f4\u65b0\u64cd\u4f5c\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>users<\/code>\u7684\u96c6\u5408\uff0c\u5176\u4e2d\u6709\u4e00\u500b<code>age<\/code>\u5b57\u6bb5\uff0c\u539f\u672c\u662f\u5b57\u7b26\u4e32\u985e\u578b\uff0c\u6211\u5011\u5e0c\u671b\u5c07\u5176\u4fee\u6539\u70ba\u6574\u6578\u985e\u578b\uff1a<\/p>\n<pre><code>db.users.find().forEach(function(doc) {\n    doc.age = parseInt(doc.age); \/\/ \u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u6574\u6578\n    db.users.save(doc); \/\/ \u4fdd\u5b58\u4fee\u6539\u5f8c\u7684\u6587\u6a94\n});<\/code><\/pre>\n<h3 id=\"3-%e9%a9%97%e8%ad%89%e4%bf%ae%e6%94%b9%e7%b5%90%e6%9e%9c-BWcTNTpYTS\">3. \u9a57\u8b49\u4fee\u6539\u7d50\u679c<\/h3>\n<p>\u5b8c\u6210\u6578\u64da\u985e\u578b\u7684\u4fee\u6539\u5f8c\uff0c\u61c9\u518d\u6b21\u67e5\u8a62\u96c6\u5408\u4ee5\u78ba\u8a8d\u66f4\u6539\u5df2\u6210\u529f\u61c9\u7528\uff1a<\/p>\n<pre><code>db.users.find().pretty()<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-BWcTNTpYTS\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4fee\u6539\u6578\u64da\u985e\u578b\u6642\uff0c\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\uff1a\u5728\u8f49\u63db\u6578\u64da\u985e\u578b\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u6216\u932f\u8aa4\uff0c\u56e0\u6b64\u5728\u9032\u884c\u4fee\u6539\u4e4b\u524d\uff0c\u5efa\u8b70\u5099\u4efd\u6578\u64da\u3002<\/li>\n<li>\u8003\u616e\u6027\u80fd\u5f71\u97ff\uff1a\u5927\u91cf\u6578\u64da\u7684\u985e\u578b\u8f49\u63db\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u5efa\u8b70\u5728\u4f4e\u5cf0\u6642\u6bb5\u9032\u884c\u64cd\u4f5c\u3002<\/li>\n<li>\u6e2c\u8a66\u4fee\u6539\uff1a\u5728\u751f\u7522\u74b0\u5883\u4e2d\u9032\u884c\u4fee\u6539\u4e4b\u524d\uff0c\u6700\u597d\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u9032\u884c\u9a57\u8b49\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-BWcTNTpYTS\">\u7d50\u8ad6<\/h2>\n<p>\u5728MongoDB\u4e2d\u4fee\u6539\u6578\u64da\u985e\u578b\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u4f46\u9700\u8981\u8b39\u614e\u64cd\u4f5c\u4ee5\u907f\u514d\u6578\u64da\u640d\u5931\u3002\u901a\u904e\u4f7f\u7528<code>update<\/code>\u547d\u4ee4\u548c<code>forEach<\/code>\u51fd\u6578\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u5c07\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u9032\u884c\u8f49\u63db\u3002\u96a8\u8457\u6578\u64da\u5eab\u7684\u767c\u5c55\uff0c\u4fdd\u6301\u6578\u64da\u985e\u578b\u7684\u6b63\u78ba\u6027\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u904b\u884c\u60a8\u7684MongoDB\u5be6\u4f8b\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MongoDB\u6578\u64da\u985e\u578b\u4fee\u6539\u65b9\u6cd5\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u5730\u66f4\u6539\u5b57\u6bb5\u985e\u578b\u4ee5\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u548c\u7d50\u69cb\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-63942","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63942","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=63942"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63942\/revisions"}],"predecessor-version":[{"id":63943,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/63942\/revisions\/63943"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=63942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=63942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=63942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}