{"id":175975,"date":"2024-11-08T09:32:16","date_gmt":"2024-11-08T01:32:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175975\/"},"modified":"2024-11-08T09:32:17","modified_gmt":"2024-11-08T01:32:17","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-27-%e7%b4%a2%e5%bc%95%e6%9c%aa%e6%89%be%e5%88%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175975\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 27 &#8211; \u7d22\u5f15\u672a\u627e\u5230"},"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-27-%e7%b4%a2%e5%bc%95%e6%9c%aa%e6%89%be%e5%88%b0-QEUXAJcdFe\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 27 &#8211; \u7d22\u5f15\u672a\u627e\u5230<\/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\u78bc &#8211; 27\uff0c\u8868\u793a\u201c\u7d22\u5f15\u672a\u627e\u5230\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u67e5\u8a62\u64cd\u4f5c\u4e2d\uff0c\u7576MongoDB\u7121\u6cd5\u627e\u5230\u6240\u9700\u7684\u7d22\u5f15\u6642\uff0c\u6703\u8fd4\u56de\u6b64\u932f\u8aa4\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406MongoDB\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-27-%e7%9a%84%e5%8e%9f%e5%9b%a0-QEUXAJcdFe\">\u932f\u8aa4\u4ee3\u78bc &#8211; 27 \u7684\u539f\u56e0<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc &#8211; 27 \u901a\u5e38\u662f\u7531\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u4e0d\u5b58\u5728\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u67e5\u8a62\u4e00\u500b\u672a\u5efa\u7acb\u7d22\u5f15\u7684\u5b57\u6bb5\u6642\uff0cMongoDB\u5c07\u7121\u6cd5\u627e\u5230\u76f8\u61c9\u7684\u7d22\u5f15\uff0c\u5f9e\u800c\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7d22\u5f15\u5df2\u88ab\u522a\u9664\uff1a<\/strong>\u5982\u679c\u5728\u67e5\u8a62\u4e4b\u524d\uff0c\u8a72\u7d22\u5f15\u88ab\u522a\u9664\u6216\u640d\u58de\uff0c\u5247\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u67e5\u8a62\u8a9e\u6cd5\u932f\u8aa4\uff1a<\/strong>\u4e0d\u6b63\u78ba\u7684\u67e5\u8a62\u8a9e\u6cd5\u53ef\u80fd\u6703\u5c0e\u81f4MongoDB\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u67e5\u8a62\uff0c\u5f9e\u800c\u7121\u6cd5\u627e\u5230\u7d22\u5f15\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%bc-27-QEUXAJcdFe\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc &#8211; 27<\/h2>\n<p>\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 27\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e7%b4%a2%e5%bc%95%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8-QEUXAJcdFe\">1. \u6aa2\u67e5\u7d22\u5f15\u662f\u5426\u5b58\u5728<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u8a8d\u6240\u9700\u7684\u7d22\u5f15\u662f\u5426\u5b58\u5728\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5217\u51fa\u96c6\u5408\u4e2d\u7684\u6240\u6709\u7d22\u5f15\uff1a<\/p>\n<pre><code>db.collection.getIndexes()<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u767c\u73fe\u6240\u9700\u7684\u7d22\u5f15\u4e0d\u5b58\u5728\uff0c\u5247\u9700\u8981\u5275\u5efa\u5b83\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u7d22\u5f15\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>db.collection.createIndex({ fieldName: 1 })<\/code><\/pre>\n<p>\u9019\u88e1\u7684<code>fieldName<\/code>\u662f\u60a8\u5e0c\u671b\u7d22\u5f15\u7684\u5b57\u6bb5\u540d\u7a31\uff0c<code>1<\/code>\u8868\u793a\u5347\u5e8f\u7d22\u5f15\uff0c<code>-1<\/code>\u5247\u8868\u793a\u964d\u5e8f\u7d22\u5f15\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e7%b4%a2%e5%bc%95%e7%9a%84%e7%8b%80%e6%85%8b-QEUXAJcdFe\">2. \u6aa2\u67e5\u7d22\u5f15\u7684\u72c0\u614b<\/h3>\n<p>\u5982\u679c\u7d22\u5f15\u5b58\u5728\uff0c\u4f46\u4ecd\u7136\u51fa\u73fe\u932f\u8aa4\uff0c\u5247\u53ef\u80fd\u662f\u7d22\u5f15\u5df2\u640d\u58de\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u7d22\u5f15\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>db.collection.validate()<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u7d22\u5f15\u640d\u58de\uff0c\u60a8\u53ef\u4ee5\u522a\u9664\u4e26\u91cd\u65b0\u5275\u5efa\u5b83\uff1a<\/p>\n<pre><code>db.collection.dropIndex(\"indexName\")<\/code><\/pre>\n<pre><code>db.collection.createIndex({ fieldName: 1 })<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%9f%a5%e8%a9%a2%e8%aa%9e%e6%b3%95-QEUXAJcdFe\">3. \u6aa2\u67e5\u67e5\u8a62\u8a9e\u6cd5<\/h3>\n<p>\u5982\u679c\u7d22\u5f15\u5b58\u5728\u4e14\u72c0\u614b\u6b63\u5e38\uff0c\u4f46\u4ecd\u7136\u51fa\u73fe\u932f\u8aa4\uff0c\u5247\u9700\u8981\u6aa2\u67e5\u67e5\u8a62\u8a9e\u6cd5\u3002\u78ba\u4fdd\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5b57\u6bb5\u540d\u7a31\u8207\u7d22\u5f15\u4e2d\u7684\u5b57\u6bb5\u540d\u7a31\u5b8c\u5168\u4e00\u81f4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u6b63\u78ba\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>db.collection.find({ fieldName: value })<\/code><\/pre>\n<p>\u5982\u679c\u5b57\u6bb5\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\u6216\u4f7f\u7528\u4e86\u932f\u8aa4\u7684\u6578\u64da\u985e\u578b\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u7d22\u5f15\u672a\u627e\u5230\u7684\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QEUXAJcdFe\">\u7e3d\u7d50<\/h2>\n<p>MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 27 &#8211; \u7d22\u5f15\u672a\u627e\u5230\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u53ef\u4ee5\u901a\u904e\u6aa2\u67e5\u7d22\u5f15\u7684\u5b58\u5728\u6027\u3001\u72c0\u614b\u4ee5\u53ca\u67e5\u8a62\u8a9e\u6cd5\u4f86\u89e3\u6c7a\u3002\u901a\u904e\u9019\u4e9b\u6b65\u9a5f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u6392\u9664\u6545\u969c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u548c\u6027\u80fd\u4fdd\u969c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc27\uff0c\u89e3\u6c7a\u7d22\u5f15\u672a\u627e\u5230\u7684\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-175975","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175975","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=175975"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175975\/revisions"}],"predecessor-version":[{"id":175976,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175975\/revisions\/175976"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}