{"id":386,"title":"mongodb\u6587\u6863\u6dfb\u52a0\u4e0e\u66f4\u65b0","good":0,"bad":0,"hit":2418,"created_at":"2018-08-02 00:14:11","content":"

\u65e9\u671f\u6709\u63d2\u5165\u4e00\u70b9\u6570\u636e\uff0c\u73b0\u5728\u7ee7\u7eed\u63d2\u5165<\/p>

> db.centos.hr_study.insert({"name":"\u8d755","age":"50","height":170,"sex":'\u7537'})<\/p>

WriteResult({ "nInserted" : 1 })<\/p>

> db.centos.hr_study.insert({"name":"\u674e5","age":"60","height":160,"sex":'\u5973'})<\/p>

WriteResult({ "nInserted" : 1 })<\/p>

> db.centos_hr_study.insert({"name":"\u8d755","age":"50","height":170,"sex":'\u7537'})<\/p>

WriteResult({ "nInserted" : 1 })<\/p>

> db.centos_hr_study.insert({"name":"\u674e6","age":"60","height":160,"sex":'\u5973'})<\/p>

WriteResult({ "nInserted" : 1 })<\/p>

<\/p>

\u66f4\u65b0\u6587\u6863\uff1a\u52a0\u7c97\u90e8\u5206\u662f\u6761\u4ef6\uff0c\u5982\u679c\u5339\u914d\u5230\u5219\u66f4\u65b0\u6587\u6863\uff0c\u5426\u5219\uff08\u6709\u4e9b\u6587\u7ae0\u8bf4\u6ca1\u5339\u914d\u5230\u5219\u63d2\u5165\u4e00\u6761\u65b0\u7684\uff0c\u4f46\u6b64\u5904\u6d4b\u8bd5\u5e76\u6ca1\u6709\u4ea7\u751f\u65b0\u7684\uff09<\/p>

> db.centos_hr_study.update({"name":"\u8d755"}<\/strong>,{"name":"\u8d755","age":"50","height":150,"sex":'\u4e0d\u7537\u4e0d\u5973'})<\/p>

WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 1 })<\/p>

<\/p>

\u67e5\u770b\u6700\u65b0\u6570\u636e\uff1a<\/strong><\/p>

> db.centos_hr_study.find()<\/strong><\/p>

{ "_id" : ObjectId("5b61d2bf2d2a29b484b2a8b8"), "name" : "\u8fd9\u662f\u4e00\u4e2a\u5728centos\u4e2d\u5efa\u7acb\u7684\u7528\u4e8e\u5b66\u4e60\u7684mongodb\u6570\u636e\u5e93" }<\/p>

{ "_id" : ObjectId("5b61d55d2d2a29b484b2a8ba"), "name" : "\u5f20\u4e09", "age" : "20" }<\/p>

{ "_id" : ObjectId("5b61d5752d2a29b484b2a8bb"), "name" : "\u5f204", "age" : "40" }<\/p>

{ "_id" : ObjectId("5b61d7932d2a29b484b2a8be"), "name" : "\u8d755", "age" : "50", "height" : 150, "sex" : "\u4e0d\u7537\u4e0d\u5973" }<\/p>

{ "_id" : ObjectId("5b61d79d2d2a29b484b2a8bf"), "name" : "\u674e6", "age" : "60", "height" : 160, "sex" : "\u5973" }<\/p>

<\/p>

\u6d4b\u8bd5\u672a\u5339\u914d\u65f6\u662f\u5426\u4ea7\u751f\u4e00\u6761\u65b0\u7684\uff0c\u5982\u679c\uff1a\u672a\u4ea7\u751f<\/strong><\/p>

> db.centos_hr_study.update({"name":"\u5f203"},{"name":"\u5f203","age":"30","height":130,"sex":'30\u7684\u7537\u4eba'})<\/strong><\/p>

WriteResult({ "nMatched" : 0, "nUpserted" : 0, "nModified" : 0 })<\/p>

> db.centos_hr_study.find()<\/p>

{ "_id" : ObjectId("5b61d2bf2d2a29b484b2a8b8"), "name" : "\u8fd9\u662f\u4e00\u4e2a\u5728centos\u4e2d\u5efa\u7acb\u7684\u7528\u4e8e\u5b66\u4e60\u7684mongodb\u6570\u636e\u5e93" }<\/p>

{ "_id" : ObjectId("5b61d55d2d2a29b484b2a8ba"), "name" : "\u5f20\u4e09", "age" : "20" }<\/p>

{ "_id" : ObjectId("5b61d5752d2a29b484b2a8bb"), "name" : "\u5f204", "age" : "40" }<\/p>

{ "_id" : ObjectId("5b61d7932d2a29b484b2a8be"), "name" : "\u8d755", "age" : "50", "height" : 150, "sex" : "\u4e0d\u7537\u4e0d\u5973" }<\/p>

{ "_id" : ObjectId("5b61d79d2d2a29b484b2a8bf"), "name" : "\u674e6", "age" : "60", "height" : 160, "sex" : "\u5973" }<\/p>

> <\/p>

<\/p>

\u5982\u679c\u5339\u914d\uff0c\u5219\u8986\u76d6\u547d\u4e2d\u7684\u6570\u636e\uff1a<\/strong><\/p>

> db.centos_hr_study.update({"name":"\u5f20\u4e09"},{"name":"\u5f20\u4e09","age":"30","height":"130"})<\/p>

WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 1 })<\/p>

> db.centos_hr_study.find()<\/p>

{ "_id" : ObjectId("5b61d2bf2d2a29b484b2a8b8"), "name" : "\u8fd9\u662f\u4e00\u4e2a\u5728centos\u4e2d\u5efa\u7acb\u7684\u7528\u4e8e\u5b66\u4e60\u7684mongodb\u6570\u636e\u5e93" }<\/p>

{ "_id" : ObjectId("5b61d55d2d2a29b484b2a8ba"), "name" : "\u5f20\u4e09", "age" : "30", "height" : "130" }<\/strong><\/p>

{ "_id" : ObjectId("5b61d5752d2a29b484b2a8bb"), "name" : "\u5f204", "age" : "40" }<\/p>

{ "_id" : ObjectId("5b61d7932d2a29b484b2a8be"), "name" : "\u8d755", "age" : "50", "height" : 150, "sex" : "\u4e0d\u7537\u4e0d\u5973" }<\/p>

{ "_id" : ObjectId("5b61d79d2d2a29b484b2a8bf"), "name" : "\u674e6", "age" : "60", "height" : 160, "sex" : "\u5973" }<\/p>

> <\/p>

<\/p>"}