{"id":175905,"date":"2024-11-08T09:28:24","date_gmt":"2024-11-08T01:28:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175905\/"},"modified":"2024-11-08T09:28:25","modified_gmt":"2024-11-08T01:28:25","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-22-bson%e7%84%a1%e6%95%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175905\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 22 &#8211; BSON\u7121\u6548"},"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-22-bson%e7%84%a1%e6%95%88-jAwpzFLrtq\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 22 &#8211; BSON\u7121\u6548<\/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; 22\uff0c\u901a\u5e38\u8868\u793aBSON\u7121\u6548\u3002BSON\uff08Binary JSON\uff09\u662fMongoDB\u7528\u4f86\u5b58\u5132\u6578\u64da\u7684\u683c\u5f0f\uff0c\u7576\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\u6216\u4e0d\u7b26\u5408\u9810\u671f\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u9019\u500b\u932f\u8aa4\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-22-%e7%9a%84%e5%8e%9f%e5%9b%a0-jAwpzFLrtq\">\u932f\u8aa4\u4ee3\u78bc &#8211; 22 \u7684\u539f\u56e0<\/h2>\n<p>\u932f\u8aa4\u4ee3\u78bc &#8211; 22 \u901a\u5e38\u662f\u7531\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\uff1a<\/strong>\u7576\u63d2\u5165\u7684\u6578\u64da\u4e0d\u7b26\u5408BSON\u683c\u5f0f\u8981\u6c42\u6642\uff0cMongoDB\u6703\u5831\u544a\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5617\u8a66\u63d2\u5165\u4e00\u500b\u5305\u542b\u4e0d\u652f\u6301\u7684\u6578\u64da\u985e\u578b\u7684\u6587\u6a94\u3002<\/li>\n<li><strong>\u6587\u6a94\u5927\u5c0f\u8d85\u904e\u9650\u5236\uff1a<\/strong>MongoDB\u5c0d\u55ae\u500b\u6587\u6a94\u7684\u5927\u5c0f\u67092MB\u7684\u9650\u5236\u3002\u5982\u679c\u5617\u8a66\u63d2\u5165\u7684\u6587\u6a94\u8d85\u904e\u6b64\u5927\u5c0f\uff0c\u5247\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5b57\u7b26\u7de8\u78bc\u554f\u984c\uff1a<\/strong>\u5982\u679c\u6578\u64da\u4e2d\u5305\u542b\u7121\u6548\u7684\u5b57\u7b26\u7de8\u78bc\uff0cMongoDB\u4e5f\u53ef\u80fd\u7121\u6cd5\u6b63\u78ba\u89e3\u6790BSON\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa4\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-22-jAwpzFLrtq\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc &#8211; 22<\/h2>\n<p>\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 22\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%e6%95%b8%e6%93%9a%e6%a0%bc%e5%bc%8f-jAwpzFLrtq\">1. \u6aa2\u67e5\u6578\u64da\u683c\u5f0f<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u8981\u63d2\u5165\u7684\u6578\u64da\u662f\u5426\u7b26\u5408BSON\u683c\u5f0f\u3002\u78ba\u4fdd\u6240\u6709\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u90fd\u662fMongoDB\u652f\u6301\u7684\u985e\u578b\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>{\n    \"name\": \"John Doe\",\n    \"age\": 30,\n    \"isActive\": true,\n    \"tags\": [\"developer\", \"mongodb\"]\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6240\u6709\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u90fd\u662f\u6b63\u78ba\u7684\u3002\u5982\u679c\u6709\u5b57\u6bb5\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u7684\u985e\u578b\uff0c\u4f8b\u5982\u51fd\u6578\u6216\u672a\u5b9a\u7fa9\u7684\u5c0d\u8c61\uff0c\u5247\u9700\u8981\u9032\u884c\u4fee\u6b63\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e6%96%87%e6%aa%94%e5%a4%a7%e5%b0%8f-jAwpzFLrtq\">2. \u78ba\u8a8d\u6587\u6a94\u5927\u5c0f<\/h3>\n<p>\u6aa2\u67e5\u8981\u63d2\u5165\u7684\u6587\u6a94\u5927\u5c0f\uff0c\u78ba\u4fdd\u5176\u4e0d\u8d85\u904e2MB\u7684\u9650\u5236\u3002\u53ef\u4ee5\u4f7f\u7528MongoDB\u7684\u547d\u4ee4\u884c\u5de5\u5177\u4f86\u6aa2\u67e5\u6587\u6a94\u5927\u5c0f\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>db.collection.stats()<\/code><\/pre>\n<p>\u5982\u679c\u6587\u6a94\u904e\u5927\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u5176\u62c6\u5206\u70ba\u591a\u500b\u8f03\u5c0f\u7684\u6587\u6a94\uff0c\u6216\u8005\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u5b57\u6bb5\u3002<\/p>\n<h3 id=\"3-%e8%99%95%e7%90%86%e5%ad%97%e7%ac%a6%e7%b7%a8%e7%a2%bc%e5%95%8f%e9%a1%8c-jAwpzFLrtq\">3. \u8655\u7406\u5b57\u7b26\u7de8\u78bc\u554f\u984c<\/h3>\n<p>\u5982\u679c\u6578\u64da\u4e2d\u5305\u542b\u7121\u6548\u7684\u5b57\u7b26\u7de8\u78bc\uff0c\u5247\u9700\u8981\u78ba\u4fdd\u6240\u6709\u5b57\u7b26\u4e32\u90fd\u4f7f\u7528UTF-8\u7de8\u78bc\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u6aa2\u67e5\u5b57\u7b26\u4e32\u7684\u7de8\u78bc\uff1a<\/p>\n<pre><code>const isValidUTF8 = (str) =&gt; {\n    try {\n        decodeURIComponent(escape(str));\n        return true;\n    } catch (e) {\n        return false;\n    }\n};<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u6709\u7121\u6548\u7684\u5b57\u7b26\u4e32\uff0c\u5247\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\uff0c\u4f8b\u5982\u904e\u6ffe\u6389\u7121\u6548\u5b57\u7b26\u6216\u8f49\u63db\u70ba\u6b63\u78ba\u7684\u7de8\u78bc\u683c\u5f0f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jAwpzFLrtq\">\u7e3d\u7d50<\/h2>\n<p>MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 22 &#8211; BSON\u7121\u6548\u901a\u5e38\u662f\u7531\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\u3001\u6587\u6a94\u5927\u5c0f\u8d85\u904e\u9650\u5236\u6216\u5b57\u7b26\u7de8\u78bc\u554f\u984c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u683c\u5f0f\u3001\u78ba\u8a8d\u6587\u6a94\u5927\u5c0f\u4ee5\u53ca\u8655\u7406\u5b57\u7b26\u7de8\u78bc\u554f\u984c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5c08\u6ce8\u65bc\u61c9\u7528\u7684\u958b\u767c\u8207\u7dad\u8b77\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc22\uff0c\u89e3\u6c7aBSON\u7121\u6548\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u9806\u66a2\uff0c\u63d0\u5347\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-175905","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175905","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=175905"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175905\/revisions"}],"predecessor-version":[{"id":175906,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175905\/revisions\/175906"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}