{"id":159967,"date":"2024-11-03T19:10:59","date_gmt":"2024-11-03T11:10:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159967\/"},"modified":"2024-11-03T19:11:01","modified_gmt":"2024-11-03T11:11:01","slug":"mongodb-%e6%95%99%e7%a8%8b%ef%bc%9amongodb-%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159967\/","title":{"rendered":"MongoDB \u6559\u7a0b\uff1aMongoDB \u6b63\u5247\u8868\u9054\u5f0f"},"content":{"rendered":"<h1 id=\"mongodb-%e6%95%99%e7%a8%8b%ef%bc%9amongodb-%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f-YcUYMRJuJD\">MongoDB \u6559\u7a0b\uff1aMongoDB \u6b63\u5247\u8868\u9054\u5f0f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cMongoDB \u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684 NoSQL \u6578\u64da\u5eab\uff0c\u56e0\u5176\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u6b63\u5247\u8868\u9054\u5f0f\uff08Regular Expressions\uff0c\u7c21\u7a31 regex\uff09\u662f MongoDB \u4e2d\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u9032\u884c\u8907\u96dc\u7684\u67e5\u8a62\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e MongoDB \u4e2d\u7684\u6b63\u5247\u8868\u9054\u5f0f\uff0c\u5305\u62ec\u5176\u57fa\u672c\u7528\u6cd5\u3001\u793a\u4f8b\u4ee5\u53ca\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f%ef%bc%9f-YcUYMRJuJD\">\u4ec0\u9ebc\u662f\u6b63\u5247\u8868\u9054\u5f0f\uff1f<\/h2>\n<p>\u6b63\u5247\u8868\u9054\u5f0f\u662f\u4e00\u7a2e\u7528\u65bc\u5339\u914d\u5b57\u7b26\u4e32\u7684\u6a21\u5f0f\u3002\u5b83\u5011\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u7b26\u5408\u67d0\u7a2e\u683c\u5f0f\uff0c\u6216\u5f9e\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u7279\u5b9a\u7684\u90e8\u5206\u3002\u5728 MongoDB \u4e2d\uff0c\u6b63\u5247\u8868\u9054\u5f0f\u53ef\u4ee5\u7528\u65bc\u67e5\u8a62\u6587\u6a94\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u6a21\u7cca\u5339\u914d\u6642\u3002<\/p>\n<h2 id=\"mongodb-%e4%b8%ad%e7%9a%84%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f%e8%aa%9e%e6%b3%95-YcUYMRJuJD\">MongoDB \u4e2d\u7684\u6b63\u5247\u8868\u9054\u5f0f\u8a9e\u6cd5<\/h2>\n<p>\u5728 MongoDB \u4e2d\uff0c\u6b63\u5247\u8868\u9054\u5f0f\u53ef\u4ee5\u901a\u904e JavaScript \u7684 RegExp \u5c0d\u8c61\u4f86\u4f7f\u7528\u3002\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>db.collection.find({ field: { $regex: \/pattern\/, $options: 'i' } })<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>field<\/code> \u662f\u8981\u67e5\u8a62\u7684\u5b57\u6bb5\uff0c<code>pattern<\/code> \u662f\u6b63\u5247\u8868\u9054\u5f0f\u7684\u6a21\u5f0f\uff0c\u800c <code>$options<\/code> \u5247\u7528\u65bc\u6307\u5b9a\u5339\u914d\u7684\u9078\u9805\uff0c\u4f8b\u5982\u4e0d\u5340\u5206\u5927\u5c0f\u5beb\uff08&#8217;i&#8217;\uff09\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e7%a4%ba%e4%be%8b-YcUYMRJuJD\">\u57fa\u672c\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u7684\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e5%8c%b9%e9%85%8d%e5%8c%85%e5%90%ab%e7%89%b9%e5%ae%9a%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e6%96%87%e6%aa%94-YcUYMRJuJD\">1. \u5339\u914d\u5305\u542b\u7279\u5b9a\u5b57\u7b26\u4e32\u7684\u6587\u6a94<\/h3>\n<pre><code>db.users.find({ name: { $regex: \/John\/ } })<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u540d\u5b57\u4e2d\u5305\u542b &#8220;John&#8221; \u7684\u7528\u6236\u3002<\/p>\n<h3 id=\"2-%e4%b8%8d%e5%8d%80%e5%88%86%e5%a4%a7%e5%b0%8f%e5%af%ab%e7%9a%84%e5%8c%b9%e9%85%8d-YcUYMRJuJD\">2. \u4e0d\u5340\u5206\u5927\u5c0f\u5beb\u7684\u5339\u914d<\/h3>\n<pre><code>db.users.find({ name: { $regex: \/john\/i } })<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u540d\u5b57\u4e2d\u5305\u542b &#8220;john&#8221; \u6216 &#8220;John&#8221; \u7684\u7528\u6236\uff0c\u56e0\u70ba\u4f7f\u7528\u4e86\u4e0d\u5340\u5206\u5927\u5c0f\u5beb\u7684\u9078\u9805\u3002<\/p>\n<h3 id=\"3-%e4%bb%a5%e7%89%b9%e5%ae%9a%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%96%8b%e9%a0%ad%e7%9a%84%e5%8c%b9%e9%85%8d-YcUYMRJuJD\">3. \u4ee5\u7279\u5b9a\u5b57\u7b26\u4e32\u958b\u982d\u7684\u5339\u914d<\/h3>\n<pre><code>db.users.find({ name: { $regex: \/^John\/ } })<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u540d\u5b57\u4ee5 &#8220;John&#8221; \u958b\u982d\u7684\u7528\u6236\u3002<\/p>\n<h3 id=\"4-%e4%bb%a5%e7%89%b9%e5%ae%9a%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%b5%90%e5%b0%be%e7%9a%84%e5%8c%b9%e9%85%8d-YcUYMRJuJD\">4. \u4ee5\u7279\u5b9a\u5b57\u7b26\u4e32\u7d50\u5c3e\u7684\u5339\u914d<\/h3>\n<pre><code>db.users.find({ name: { $regex: \/Doe$\/ } })<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u540d\u5b57\u4ee5 &#8220;Doe&#8221; \u7d50\u5c3e\u7684\u7528\u6236\u3002<\/p>\n<h2 id=\"%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-YcUYMRJuJD\">\u6b63\u5247\u8868\u9054\u5f0f\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u6642\uff0c\u61c9\u6ce8\u610f\u6027\u80fd\u554f\u984c\u3002\u7279\u5225\u662f\u5728\u5927\u578b\u6578\u64da\u96c6\u4e0a\uff0c\u6b63\u5247\u8868\u9054\u5f0f\u67e5\u8a62\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u5efa\u8b70\u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528\u7d22\u5f15\u3002<\/li>\n<li><strong>\u907f\u514d\u904e\u65bc\u8907\u96dc\u7684\u6a21\u5f0f\uff1a<\/strong>\u904e\u65bc\u8907\u96dc\u7684\u6b63\u5247\u8868\u9054\u5f0f\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u96e3\u4ee5\u7406\u89e3\u548c\u7dad\u8b77\u3002\u4fdd\u6301\u6a21\u5f0f\u7c21\u55ae\u660e\u4e86\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u6b63\u5247\u8868\u9054\u5f0f\uff1a<\/strong>\u5728\u5be6\u969b\u4f7f\u7528\u4e4b\u524d\uff0c\u61c9\u5728\u5c0f\u578b\u6578\u64da\u96c6\u4e0a\u6e2c\u8a66\u6b63\u5247\u8868\u9054\u5f0f\uff0c\u4ee5\u78ba\u4fdd\u5176\u6b63\u78ba\u6027\u548c\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-YcUYMRJuJD\">\u7d50\u8ad6<\/h2>\n<p>MongoDB \u7684\u6b63\u5247\u8868\u9054\u5f0f\u529f\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u67e5\u8a62\u80fd\u529b\uff0c\u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u5b57\u7b26\u4e32\u5339\u914d\u9700\u6c42\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002\u7136\u800c\uff0c\u4f7f\u7528\u6642\u9700\u8b39\u614e\u8003\u91cf\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u5730\u5340\uff0c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 MongoDB \u4e2d\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u9032\u884c\u9ad8\u6548\u67e5\u8a62\uff0c\u638c\u63e1\u6a21\u5f0f\u5339\u914d\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u80fd\u529b\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-159967","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159967","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=159967"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159967\/revisions"}],"predecessor-version":[{"id":159968,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159967\/revisions\/159968"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}