{"id":21650,"date":"2024-01-02T13:01:24","date_gmt":"2024-01-02T13:01:24","guid":{"rendered":"https:\/\/server.hk\/blog\/21650\/"},"modified":"2024-11-14T10:29:14","modified_gmt":"2024-11-14T02:29:14","slug":"how-to-fix-mongodb-error-code-56-emptyfieldname","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21650\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName<\/h1>\n

MongoDB \u662f\u4e00\u500b\u53d7\u6b61\u8fce\u7684 NoSQL \u8cc7\u6599\u5eab\uff0c\u63d0\u4f9b\u9ad8\u6548\u80fd\u3001\u64f4\u5c55\u6027\u548c\u9748\u6d3b\u6027\u3002\u7136\u800c\uff0c\u8207\u5176\u4ed6\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u53ef\u80fd\u6703\u9047\u5230\u9700\u8981\u89e3\u6c7a\u7684\u932f\u8aa4\u3002\u5176\u4e2d\u4e00\u500b\u932f\u8aa4\u662f MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u6210\u56e0\u4e26\u63d0\u4f9b\u9010\u6b65\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u7406\u89e3 MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName<\/h2>\n

\u7576\u60a8\u9047\u5230 MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName \u6642\uff0c\u9019\u610f\u5473\u8457\u60a8\u6b63\u5617\u8a66\u5c0d\u6b04\u4f4d\u540d\u7a31\u70ba\u7a7a\u7684\u6587\u4ef6\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u3002\u6b64\u932f\u8aa4\u901a\u5e38\u767c\u751f\u65bc\u60a8\u4f7f\u7528 $set \u904b\u7b97\u7b26\u66f4\u65b0\u6b04\u4f4d\u6642\uff0c\u63d0\u4f9b\u4e86\u4e00\u500b\u7a7a\u5b57\u4e32\u4f5c\u70ba\u6b04\u4f4d\u540d\u7a31\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u767c\u751f\u6b64\u932f\u8aa4\u7684\u793a\u4f8b\uff1a<\/p>\n

db.collection.update(\r\n   { _id: ObjectId(\"5f7e9a7e9a7e9a7e9a7e9a7e\") },\r\n   { $set: { \"\": \"new value\" } }\r\n)\r\n<\/code><\/pre>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u5c07\u7a7a\u5b57\u4e32\u4f5c\u70ba\u6b04\u4f4d\u540d\u7a31\u6703\u5c0e\u81f4 MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName\u3002<\/p>\n
\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName<\/h2>\n
\u8981\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5728\u4f7f\u7528 $set \u904b\u7b97\u7b26\u6642\u63d0\u4f9b\u6709\u6548\u7684\u6b04\u4f4d\u540d\u7a31\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n
\u6b65\u9a5f 1\uff1a\u8b58\u5225\u53d7\u5f71\u97ff\u7684\u66f4\u65b0\u64cd\u4f5c<\/h3>\n
\u9996\u5148\uff0c\u8b58\u5225\u5c0e\u81f4\u6b64\u932f\u8aa4\u7684\u66f4\u65b0\u64cd\u4f5c\u3002\u6aa2\u67e5\u60a8\u7684\u4ee3\u78bc\u6216\u65e5\u8a8c\u4e2d\u7684\u66f4\u65b0\u67e5\u8a62\uff0c\u67e5\u627e\u5305\u542b\u7a7a\u5b57\u4e32\u4f5c\u70ba\u6b04\u4f4d\u540d\u7a31\u7684\u64cd\u4f5c\u3002<\/p>\n
\u6b65\u9a5f 2\uff1a\u66f4\u6b63\u6b04\u4f4d\u540d\u7a31<\/h3>\n
\u627e\u5230\u66f4\u65b0\u64cd\u4f5c\u5f8c\uff0c\u901a\u904e\u63d0\u4f9b\u6709\u6548\u7684\u975e\u7a7a\u5b57\u4e32\u4f86\u66f4\u6b63\u6b04\u4f4d\u540d\u7a31\u3002\u78ba\u4fdd\u6b04\u4f4d\u540d\u7a31\u8207\u60a8\u8981\u66f4\u65b0\u7684\u6587\u4ef6\u4e2d\u7684\u6b04\u4f4d\u76f8\u5339\u914d\u3002<\/p>\n
\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u66f4\u65b0 “name” \u6b04\u4f4d\uff0c\u60a8\u7684\u66f4\u65b0\u64cd\u4f5c\u61c9\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
db.collection.update(\r\n   { _id: ObjectId(\"5f7e9a7e9a7e9a7e9a7e9a7e\") },\r\n   { $set: { \"name\": \"new value\" } }\r\n)\r\n<\/code><\/pre>\n
\u6b65\u9a5f 3\uff1a\u6e2c\u8a66\u4fee\u5fa9<\/h3>\n
\u66f4\u6b63\u6b04\u4f4d\u540d\u7a31\u5f8c\uff0c\u901a\u904e\u91cd\u65b0\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u4f86\u6e2c\u8a66\u4fee\u5fa9\u3002\u78ba\u4fdd\u4e0d\u518d\u51fa\u73fe MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
MongoDB \u932f\u8aa4\u4ee3\u78bc – 56 – EmptyFieldName \u53ef\u4ee5\u901a\u904e\u5728\u4f7f\u7528 $set \u904b\u7b97\u7b26\u6642\u63d0\u4f9b\u6709\u6548\u7684\u6b04\u4f4d\u540d\u7a31\u8f15\u9b06\u4fee\u5fa9\u3002\u6309\u7167\u672c\u6587\u4e2d\u6982\u8ff0\u7684\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u89e3\u6c7a\u6b64\u932f\u8aa4\u4e26\u78ba\u4fdd MongoDB \u8cc7\u6599\u5eab\u7684\u9806\u5229\u904b\u884c\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u4fee\u5fa9 MongoDB \u932f\u8aa4\u4ee3...<\/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-21650","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21650","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=21650"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21650\/revisions"}],"predecessor-version":[{"id":23769,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21650\/revisions\/23769"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}