{"id":247426,"date":"2024-01-02T22:08:23","date_gmt":"2024-01-02T14:08:23","guid":{"rendered":"https:\/\/www.idc.net\/help\/247426\/"},"modified":"2024-01-02T22:08:23","modified_gmt":"2024-01-02T14:08:23","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a4%8dmongodb%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81-4-%e9%94%ae%e4%b8%8d%e5%ad%98%e5%9c%a8","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247426\/","title":{"rendered":"\u5982\u4f55\u4fee\u590dMongoDB\u9519\u8bef\u4ee3\u7801 &#8211; 4 &#8211; \u952e\u4e0d\u5b58\u5728"},"content":{"rendered":"<p><title id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a4%8dmongodb%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81-4-%e9%94%ae%e4%b8%8d%e5%ad%98%e5%9c%a8-gDOdqVXThR\">\u5982\u4f55\u4fee\u590dMongoDB\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728<\/title><\/p>\n<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%a4%8dmongodb%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81-4-%e9%94%ae%e4%b8%8d%e5%ad%98%e5%9c%a8-gDOdqVXThR\">\u5982\u4f55\u4fee\u590dMongoDB\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728<\/h1>\n<p>MongoDB\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5f00\u6e90\u6587\u6863\u6570\u636e\u5e93\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u548c\u9879\u76ee\u4e2d\u3002\u7136\u800c\uff0c\u6709\u65f6\u5728\u4f7f\u7528MongoDB\u65f6\uff0c\u60a8\u53ef\u80fd\u4f1a\u9047\u5230\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u8fd9\u4e2a\u9519\u8bef\u7684\u539f\u56e0\u4ee5\u53ca\u5982\u4f55\u4fee\u590d\u5b83\u3002<\/p>\n<h2 id=\"%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81-4-%e9%94%ae%e4%b8%8d%e5%ad%98%e5%9c%a8%e7%9a%84%e5%8e%9f%e5%9b%a0-gDOdqVXThR\">\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728\u7684\u539f\u56e0<\/h2>\n<p>\u5f53\u60a8\u5728MongoDB\u4e2d\u6267\u884c\u67e5\u8be2\u64cd\u4f5c\u65f6\uff0c\u5982\u679c\u6307\u5b9a\u7684\u952e\u5728\u96c6\u5408\u4e2d\u4e0d\u5b58\u5728\uff0c\u5c31\u4f1a\u51fa\u73b0\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u4ee5\u4e0b\u539f\u56e0\u5bfc\u81f4\u7684\uff1a<\/p>\n<ul>\n<li>\u952e\u62fc\u5199\u9519\u8bef\uff1a\u68c0\u67e5\u60a8\u7684\u67e5\u8be2\u8bed\u53e5\u4e2d\u7684\u952e\u662f\u5426\u6b63\u786e\u62fc\u5199\u3002<\/li>\n<li>\u952e\u4e0d\u5b58\u5728\uff1a\u786e\u4fdd\u60a8\u7684\u96c6\u5408\u4e2d\u5b58\u5728\u6307\u5b9a\u7684\u952e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bf%ae%e5%a4%8d%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81-4-%e9%94%ae%e4%b8%8d%e5%ad%98%e5%9c%a8%e7%9a%84%e6%96%b9%e6%b3%95-gDOdqVXThR\">\u4fee\u590d\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4fee\u590d\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728\u7684\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e6%a3%80%e6%9f%a5%e9%94%ae%e6%8b%bc%e5%86%99-gDOdqVXThR\">1. \u68c0\u67e5\u952e\u62fc\u5199<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u5e94\u8be5\u4ed4\u7ec6\u68c0\u67e5\u60a8\u7684\u67e5\u8be2\u8bed\u53e5\u4e2d\u7684\u952e\u662f\u5426\u6b63\u786e\u62fc\u5199\u3002\u5982\u679c\u952e\u62fc\u5199\u9519\u8bef\uff0cMongoDB\u5c06\u65e0\u6cd5\u627e\u5230\u6307\u5b9a\u7684\u952e\uff0c\u4ece\u800c\u5bfc\u81f4\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728\u3002\u786e\u4fdd\u952e\u7684\u5927\u5c0f\u5199\u548c\u62fc\u5199\u4e0e\u96c6\u5408\u4e2d\u7684\u952e\u5b8c\u5168\u5339\u914d\u3002<\/p>\n<h3 id=\"2-%e7%a1%ae%e4%bf%9d%e9%94%ae%e5%ad%98%e5%9c%a8-gDOdqVXThR\">2. \u786e\u4fdd\u952e\u5b58\u5728<\/h3>\n<p>\u5982\u679c\u60a8\u786e\u5b9a\u952e\u7684\u62fc\u5199\u662f\u6b63\u786e\u7684\uff0c\u4f46\u4ecd\u7136\u9047\u5230\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728\uff0c\u90a3\u4e48\u60a8\u5e94\u8be5\u786e\u4fdd\u96c6\u5408\u4e2d\u5b58\u5728\u6307\u5b9a\u7684\u952e\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684find()\u65b9\u6cd5\u6765\u67e5\u770b\u96c6\u5408\u4e2d\u7684\u6587\u6863\uff0c\u5e76\u68c0\u67e5\u952e\u662f\u5426\u5b58\u5728\u3002<\/p>\n<pre><code>db.collection.find({}, { \"yourKey\": 1 })\n<\/code><\/pre>\n<p>\u5c06\"collection\"\u66ff\u6362\u4e3a\u60a8\u7684\u96c6\u5408\u540d\u79f0\uff0c\"yourKey\"\u66ff\u6362\u4e3a\u60a8\u8981\u68c0\u67e5\u7684\u952e\u3002\u5982\u679c\u67e5\u8be2\u8fd4\u56de\u7ed3\u679c\u4e3a\u7a7a\uff0c\u8bf4\u660e\u952e\u4e0d\u5b58\u5728\u3002<\/p>\n<h3 id=\"3-%e5%88%9b%e5%bb%ba%e9%94%ae-gDOdqVXThR\">3. \u521b\u5efa\u952e<\/h3>\n<p>\u5982\u679c\u60a8\u786e\u5b9a\u952e\u4e0d\u5b58\u5728\uff0c\u5e76\u4e14\u60a8\u9700\u8981\u5728\u96c6\u5408\u4e2d\u4f7f\u7528\u8be5\u952e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684update()\u65b9\u6cd5\u6765\u521b\u5efa\u952e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<pre><code>db.collection.update({}, { $set: { \"yourKey\": \"yourValue\" } }, { multi: true })\n<\/code><\/pre>\n<p>\u5c06\"collection\"\u66ff\u6362\u4e3a\u60a8\u7684\u96c6\u5408\u540d\u79f0\uff0c\"yourKey\"\u66ff\u6362\u4e3a\u60a8\u8981\u521b\u5efa\u7684\u952e\uff0c\"yourValue\"\u66ff\u6362\u4e3a\u952e\u7684\u503c\u3002\u901a\u8fc7\u5c06multi\u9009\u9879\u8bbe\u7f6e\u4e3atrue\uff0c\u53ef\u4ee5\u786e\u4fdd\u5728\u96c6\u5408\u4e2d\u7684\u6240\u6709\u6587\u6863\u4e2d\u521b\u5efa\u952e\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-gDOdqVXThR\">\u603b\u7ed3<\/h2>\n<p>\u4fee\u590dMongoDB\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\u5305\u62ec\u68c0\u67e5\u952e\u62fc\u5199\u3001\u786e\u4fdd\u952e\u5b58\u5728\u4ee5\u53ca\u521b\u5efa\u952e\u3002\u901a\u8fc7\u4ed4\u7ec6\u68c0\u67e5\u67e5\u8be2\u8bed\u53e5\u4e2d\u7684\u952e\u62fc\u5199\uff0c\u5e76\u786e\u4fdd\u96c6\u5408\u4e2d\u5b58\u5728\u6307\u5b9a\u7684\u952e\uff0c\u60a8\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u9519\u8bef\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684MongoDB\u6258\u7ba1\u89e3\u51b3\u65b9\u6848\uff0c\u540e\u6d6a\u4e91\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u3002\u6211\u4eec\u662f\u60a8\u9999\u6e2f\u670d\u52a1\u5668\u7684\u9996\u9009\uff0c\u6211\u4eec\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u7684\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u6211\u4eec\u7684\u4ea7\u54c1\u548c\u670d\u52a1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u590dMongoDB\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728 \u5982\u4f55\u4fee\u590dMongoDB\u9519\u8bef\u4ee3\u7801 - 4 - \u952e\u4e0d\u5b58\u5728 M [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-247426","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=247426"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247426\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}