{"id":21522,"date":"2024-01-02T10:47:23","date_gmt":"2024-01-02T10:47:23","guid":{"rendered":"https:\/\/server.hk\/blog\/21522\/"},"modified":"2024-11-14T10:31:21","modified_gmt":"2024-11-14T02:31:21","slug":"mongodb-glossary-gridfs","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21522\/","title":{"rendered":"MongoDB \u8a5e\u5f59\u8868 &#8211; GridFS"},"content":{"rendered":"<h1 id=\"mongodb-glossary-gridfs-NVDBFlCEzG\">MongoDB \u8a5e\u5f59\u8868 &#8211; GridFS<\/h1>\n<p>\u5728\u73fe\u4ee3\u7db2\u7d61\u61c9\u7528\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5b58\u5132\u548c\u7ba1\u7406\u626e\u6f14\u7740\u95dc\u9375\u89d2\u8272\u3002\u96a8\u7740\u6578\u64da\u7684\u91cf\u548c\u8907\u96dc\u6027\u4e0d\u65b7\u589e\u9577\uff0c\u958b\u767c\u8005\u4e00\u76f4\u5728\u5c0b\u627e\u9ad8\u6548\u4e14\u5177\u64f4\u5c55\u6027\u7684\u89e3\u6c7a\u65b9\u6848\u3002MongoDB \u4f5c\u70ba\u4e00\u500b\u53d7\u6b61\u8fce\u7684 NoSQL \u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u4e00\u500b\u540d\u70ba GridFS \u7684\u529f\u80fd\uff0c\u4ee5\u61c9\u5c0d\u5b58\u5132\u548c\u6aa2\u7d22\u5927\u578b\u6587\u4ef6\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e GridFS \u7684\u6982\u5ff5\u53ca\u5176\u5728 MongoDB \u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"what-is-gridfs-NVDBFlCEzG\">\u4ec0\u9ebc\u662f GridFS\uff1f<\/h2>\n<p>GridFS \u662f MongoDB \u5167\u7684\u4e00\u500b\u898f\u7bc4\u548c\u5de5\u5177\u96c6\uff0c\u5141\u8a31\u958b\u767c\u8005\u5b58\u5132\u548c\u6aa2\u7d22\u8d85\u904e BSON \u6587\u4ef6\u5927\u5c0f\u9650\u5236\uff0816MB\uff09\u7684\u6587\u4ef6\u3002\u5b83\u5c08\u70ba\u8655\u7406\u5927\u578b\u6587\u4ef6\u800c\u8a2d\u8a08\uff0c\u4f8b\u5982\u5716\u7247\u3001\u8996\u983b\u3001\u97f3\u983b\u6587\u4ef6\u53ca\u5176\u4ed6\u4e8c\u9032\u5236\u6578\u64da\uff0c\u901a\u904e\u5c07\u5b83\u5011\u5206\u5272\u6210\u8f03\u5c0f\u7684\u584a\uff08\u7a31\u70ba\u201cchunks\u201d\uff09\uff0c\u4e26\u4f5c\u70ba\u7368\u7acb\u7684\u6587\u4ef6\u5b58\u5132\u5728 MongoDB \u7684\u96c6\u5408\u4e2d\u3002<\/p>\n<p>GridFS \u5305\u542b\u5169\u500b\u96c6\u5408\uff1a<code>fs.files<\/code> \u548c <code>fs.chunks<\/code>\u3002<code>fs.files<\/code> \u96c6\u5408\u5b58\u5132\u6587\u4ef6\u7684\u5143\u6578\u64da\uff0c\u5305\u62ec\u6587\u4ef6\u540d\u3001\u5167\u5bb9\u985e\u578b\u3001\u5927\u5c0f\u53ca\u5176\u4ed6\u81ea\u5b9a\u7fa9\u5c6c\u6027\u3002\u800c\u5be6\u969b\u7684\u6587\u4ef6\u6578\u64da\u5247\u5b58\u5132\u5728 <code>fs.chunks<\/code> \u96c6\u5408\u4e2d\uff0c\u6bcf\u500b\u584a\u4ee3\u8868\u6587\u4ef6\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<h2 id=\"how-does-gridfs-work-NVDBFlCEzG\">GridFS \u5982\u4f55\u904b\u4f5c\uff1f<\/h2>\n<p>\u7576\u6587\u4ef6\u4e0a\u50b3\u5230 GridFS \u6642\uff0c\u5b83\u6703\u88ab\u5206\u5272\u6210\u8f03\u5c0f\u7684\u584a\uff0c\u901a\u5e38\u6bcf\u500b\u584a\u5927\u5c0f\u70ba 255 KB\uff0c\u4e26\u4f5c\u70ba\u7368\u7acb\u6587\u4ef6\u5b58\u5132\u5728 <code>fs.chunks<\/code> \u96c6\u5408\u4e2d\u3002\u9019\u4e9b\u584a\u7684\u9806\u5e8f\u901a\u904e\u4e00\u500b\u5e8f\u5217\u865f\u4fdd\u6301\u3002<code>fs.files<\/code> \u96c6\u5408\u5305\u542b\u6307\u5411\u5c6c\u65bc\u7279\u5b9a\u6587\u4ef6\u7684\u584a\u7684\u5f15\u7528\uff0c\u5f9e\u800c\u53ef\u4ee5\u8f15\u9b06\u6aa2\u7d22\u4e26\u91cd\u69cb\u539f\u59cb\u6587\u4ef6\u3002<\/p>\n<p>GridFS \u63d0\u4f9b\u5169\u500b\u4e3b\u8981\u64cd\u4f5c\uff1a<strong>\u4e0a\u50b3<\/strong> \u548c <strong>\u4e0b\u8f09<\/strong> \u6587\u4ef6\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 GridFS API \u6216 MongoDB \u9a45\u52d5\u4f86\u4e0a\u50b3\u6587\u4ef6\uff0c\u9019\u4e9b\u5de5\u5177\u6703\u81ea\u52d5\u8655\u7406\u6587\u4ef6\u5206\u5272\u548c\u5143\u6578\u64da\u5b58\u5132\u3002\u800c\u4e0b\u8f09\u6587\u4ef6\u5247\u6d89\u53ca\u5f9e <code>fs.chunks<\/code> \u96c6\u5408\u6aa2\u7d22\u584a\uff0c\u4e26\u6839\u64da\u5e8f\u5217\u865f\u91cd\u69cb\u539f\u59cb\u6587\u4ef6\u3002<\/p>\n<h2 id=\"advantages-of-using-gridfs-NVDBFlCEzG\">\u4f7f\u7528 GridFS \u7684\u512a\u9ede<\/h2>\n<p>GridFS \u76f8\u8f03\u65bc\u50b3\u7d71\u6587\u4ef6\u5b58\u5132\u6a5f\u5236\u5177\u6709\u5e7e\u500b\u512a\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong> GridFS \u80fd\u5920\u8655\u7406\u4efb\u610f\u5927\u5c0f\u7684\u6587\u4ef6\uff0c\u9069\u5408\u8655\u7406\u5927\u578b\u5a92\u9ad4\u6587\u4ef6\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong> \u901a\u904e\u5c07\u6587\u4ef6\u584a\u5206\u4f48\u5230\u591a\u500b\u4f3a\u670d\u5668\u4e0a\uff0cGridFS \u5141\u8a31\u9ad8\u6548\u7684\u8ca0\u8f09\u5747\u8861\u548c\u5e73\u884c\u8655\u7406\u3002<\/li>\n<li><strong>\u8207 MongoDB \u6574\u5408\uff1a<\/strong> GridFS \u7121\u7e2b\u6574\u5408\u4e86 MongoDB \u7684\u5176\u4ed6\u529f\u80fd\uff0c\u5982\u8907\u88fd\u548c\u5206\u7247\uff0c\u63d0\u4f9b\u7d71\u4e00\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\u3002<\/li>\n<li><strong>\u5143\u6578\u64da\u5b58\u5132\uff1a<\/strong> GridFS \u5c07\u5143\u6578\u64da\u8207\u6587\u4ef6\u4e00\u8d77\u5b58\u5132\uff0c\u5141\u8a31\u958b\u767c\u8005\u70ba\u4e0a\u50b3\u7684\u6587\u4ef6\u95dc\u806f\u9644\u52a0\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"conclusion-NVDBFlCEzG\">\u7d50\u8ad6<\/h2>\n<p>GridFS \u662f MongoDB \u7684\u4e00\u9805\u5f37\u5927\u529f\u80fd\uff0c\u80fd\u5920\u9ad8\u6548\u5b58\u5132\u548c\u6aa2\u7d22\u5927\u578b\u6587\u4ef6\u3002\u901a\u904e\u5c07\u6587\u4ef6\u5206\u5272\u6210\u8f03\u5c0f\u7684\u584a\u4e26\u5229\u7528 MongoDB \u7684\u529f\u80fd\uff0cGridFS \u63d0\u4f9b\u4e86\u4e00\u500b\u53ef\u64f4\u5c55\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u4e8c\u9032\u5236\u6578\u64da\u3002\u4e0d\u8ad6\u60a8\u662f\u5728\u69cb\u5efa\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\u3001\u5a92\u9ad4\u4e32\u6d41\u5e73\u53f0\uff0c\u9084\u662f\u8655\u7406\u5927\u578b\u6587\u4ef6\u7684\u4efb\u4f55\u61c9\u7528\uff0cGridFS \u90fd\u53ef\u4ee5\u6210\u70ba\u60a8 MongoDB \u5de5\u5177\u5305\u4e2d\u7684\u5bf6\u8cb4\u88dc\u5145\u3002<\/p>\n<p>\u6b32\u4e86\u89e3\u66f4\u591a\u6709\u95dc VPS \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\u53ca\u5176\u5982\u4f55\u70ba\u60a8\u7684 MongoDB \u61c9\u7528\u5e36\u4f86\u6548\u76ca\uff0c\u8acb\u8a2a\u554f <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u8a5e\u5f59\u8868 &#038;#82&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21522","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21522","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21522"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21522\/revisions"}],"predecessor-version":[{"id":23940,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21522\/revisions\/23940"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}