{"id":29980,"date":"2023-09-29T16:51:37","date_gmt":"2023-11-20T14:33:27","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8f%aa%e9%9c%80%e8%a6%81%e4%b8%80%e4%b8%aa%e9%80%89%e9%a1%b9%ef%bc%8c%e8%af%b7%e7%94%a8%e4%b8%ad%e6%96%87%e5%b0%86%e4%bb%a5%e4%b8%8b%e5%86%85%e5%ae%b9%e8%bf%9b%e8%a1%8c%e7%bf%bb%e8%af%91%ef%bc%9a\/"},"modified":"2025-08-12T16:53:22","modified_gmt":"2025-08-12T08:53:22","slug":"%e5%8f%aa%e9%9c%80%e8%a6%81%e4%b8%80%e4%b8%aa%e9%80%89%e9%a1%b9%ef%bc%8c%e8%af%b7%e7%94%a8%e4%b8%ad%e6%96%87%e5%b0%86%e4%bb%a5%e4%b8%8b%e5%86%85%e5%ae%b9%e8%bf%9b%e8%a1%8c%e7%bf%bb%e8%af%91%ef%bc%9a","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8f%aa%e9%9c%80%e8%a6%81%e4%b8%80%e4%b8%aa%e9%80%89%e9%a1%b9%ef%bc%8c%e8%af%b7%e7%94%a8%e4%b8%ad%e6%96%87%e5%b0%86%e4%bb%a5%e4%b8%8b%e5%86%85%e5%ae%b9%e8%bf%9b%e8%a1%8c%e7%bf%bb%e8%af%91%ef%bc%9a\/","title":{"rendered":"\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff0c\u8bf7\u7528\u4e2d\u6587\u5c06\u4ee5\u4e0b\u5185\u5bb9\u8fdb\u884c\u7ffb\u8bd1\uff1a\u4e3a\u4e86\u5904\u7406MongoDB\uff0c\u81f3\u5c11\u9700\u8981\u4e86\u89e3\u7684\u57fa\u672c\u77e5\u8bc6"},"content":{"rendered":"<h2>\u6982\u8ff0\u8fd9\u662f\u4e00\u4e2a\u4ee5\u4ee5\u4e0b\u89c2\u70b9\u603b\u7ed3\u7684MongoDB\u64cd\u4f5c\u7b80\u6613\u53c2\u8003\u624b\u518c\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u3068\u308a\u3042\u3048\u305a\u3053\u308c\u3060\u3051\u77e5\u3063\u3066\u3044\u308c\u3070MongoDB\u3092\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3068\u3057\u305f\u30a2\u30d7\u30ea\u958b\u767a\u306b\u5165\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u958b\u767aTeam\u30e1\u30f3\u30d0\u30fc\u306b\u77e5\u3063\u3066\u304a\u3044\u3066\u307b\u3057\u3044\u3053\u3068<\/ul>\n<h2>\u524d\u63d0 t\u00ed)<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">MongoDB\u304c\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u6e08\u307f\u3067\u3042\u308b\u3053\u3068<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u53c2\u7167\u3001\u66f4\u65b0\u30b3\u30de\u30f3\u30c9\u3001\u30af\u30a8\u30ea\u30bb\u30ec\u30af\u30bf\u306f\u6700\u4f4e\u9650\u4f7f\u3048\u308b\u3053\u3068<\/ul>\n<h2>\u73af\u5883<\/p>\n<div>\n<div class=\"post-table\">\u4f7f\u7528\u74b0\u5883\u30d0\u30fc\u30b8\u30e7\u30f3CentOS7.6MongoDB server4.0.5<\/p>\n<h2>\u786e\u8ba4\u72b6\u6001<\/p>\n<h3>\u6570\u636e\u5e93\u5217\u8868<\/p>\n<pre class=\"post-pre\"><code>&gt; show dbs\r\nadmin   0.000GB\r\nconfig  0.000GB\r\nlocal   0.000GB\r\n<\/code><\/pre>\n<h3>\u6570\u636e\u5e93\u5207\u6362\uff08\u65b0\u5efa\uff09<\/p>\n<pre class=\"post-pre\"><code>&gt; use testdb\r\nswitched to db testdb\r\n<\/code><\/pre>\n<h3>\u6536\u85cf\u6e05\u5355<\/p>\n<pre class=\"post-pre\"><code>&gt; show collections\r\ncompany\r\ndepartment\r\nuser\r\n<\/code><\/pre>\n<h2>\u521d\u59cb\u5316\u76f8\u5173<\/p>\n<h3>\u6536\u96c6\u9996\u5b57\u6bcd\u7f29\u5199<\/p>\n<pre class=\"post-pre\"><code>&gt; db.user.remove({})\r\n<\/code><\/pre>\n<h3>\u5220\u9664\u6536\u85cfNote: The given phrase seems to be in Japanese rather than Chinese. However, it can be directly translated into Chinese as &#8220;\u5220\u9664\u6536\u85cf&#8221; to convey the same meaning.<\/p>\n<pre class=\"post-pre\"><code>&gt; db.user.drop()\r\n<\/code><\/pre>\n<h3>\u5220\u9664\u6570\u636e\u5e93\u5728\u8bbe\u5b9a\u76ee\u6807\u7684\u60c5\u51b5\u4e0b\u6267\u884c\u653e\u5f03\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; use testdb\r\n&gt; db.dropDatabase()\r\n<\/code><\/pre>\n<h2>\u8bbe\u8ba1\u548c\u6027\u80fd\u8c03\u4f18<\/p>\n<h3>\u8bf7\u786e\u8ba4\u67e5\u8be2\u8ba1\u5212<\/p>\n<pre class=\"post-pre\"><code>&gt; db.user.find({name:\"koda\"}).explain()\r\n<\/code><\/pre>\n<h3>\u786e\u8ba4\u7d22\u5f15<\/p>\n<pre class=\"post-pre\"><code>&gt; db.user.getIndexes()\r\n<\/code><\/pre>\n<h3>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u4f1a\u8fdb\u884c\u7d22\u5f15\u7684\u521b\u5efa\u3002\u6570\u503c1\uff1a\u5347\u5e8f\uff0c\u6570\u503c-1\uff1a\u964d\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.user.createIndex({name: 1})\r\n<\/code><\/pre>\n<h3>\u521b\u5efa\u7d22\u5f15\uff08\u552f\u4e00\uff09<\/p>\n<pre class=\"post-pre\"><code>&gt; db.user.createIndex({name: 1}, {unique: true})\r\n<\/code><\/pre>\n<h3>\u521b\u5efa\u7d22\u5f15\uff08\u591a\u5b57\u6bb5\uff09<\/p>\n<pre class=\"post-pre\"><code>&gt; db.user.createIndex({name: 1, sex: 1})\r\n<\/code><\/pre>\n<h2>\u8bf7\u786e\u8ba4\u5e2e\u52a9\u547d\u4ee4\u3002<\/p>\n<h3>\u5e2e\u52a9\u6211 w\u01d2)<\/p>\n<pre class=\"post-pre\"><code>&gt; help\r\n        db.help()                    help on db methods\r\n        db.mycoll.help()             help on collection methods\r\n        sh.help()                    sharding helpers\r\n\uff08\u7701\u7565\uff09\r\n<\/code><\/pre>\n<h3>\u67e5\u770b\u6307\u4ee4\u53ef\u4ee5\u4f7f\u7528Tab\u8865\u5168<\/p>\n<h5>DB\u547d\u4ee4<\/p>\n<pre class=\"post-pre\"><code>&gt; db.\r\ndb.adminCommand(               db.fsyncLock(                  db.getWriteConcern(            db.revokePrivilegesFromRole(\r\ndb.aggregate(                  db.fsyncUnlock(                db.grantPrivilegesToRole(      \uff08\u7701\u7565\uff09\r\n<\/code><\/pre>\n<h5>\u6536\u85cf\u6307\u4ee4<\/p>\n<pre class=\"post-pre\"><code>&gt; db.user.\r\ndb.user.addIdIfNeeded(              db.user.getCollection(              db.user.mapReduce(\r\ndb.user.aggregate(                  db.user.getDB(                      db.user.propertyIsEnumerable\r\n\uff08\u7701\u7565\uff09\r\n<\/code><\/pre>\n<h2>\u547d\u4ee4\u884c\u6267\u884c<\/p>\n<h3>\u76f4\u63a5\u6267\u884c<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">echo<\/span> <span class=\"nv\">$SHELL<\/span>\r\n\/bin\/bash\r\n\r\n<span class=\"nv\">$ <\/span>mongo <span class=\"nt\">--host<\/span> localhost <span class=\"nt\">--quiet<\/span> testdb <span class=\"nt\">--eval<\/span> <span class=\"s1\">'db.user.find()'<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5c7768915fd5d6ec50b38477\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"uid\"<\/span> : 1, <span class=\"s2\">\"name\"<\/span> : <span class=\"s2\">\"koda\"<\/span>, <span class=\"s2\">\"sex\"<\/span> : <span class=\"s2\">\"\u7537\"<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5c7768915fd5d6ec50b38478\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"uid\"<\/span> : 2, <span class=\"s2\">\"name\"<\/span> : <span class=\"s2\">\"mori\"<\/span>, <span class=\"s2\">\"sex\"<\/span> : <span class=\"s2\">\"\u7537\"<\/span> <span class=\"o\">}<\/span>\r\n<span class=\"o\">{<\/span> <span class=\"s2\">\"_id\"<\/span> : ObjectId<span class=\"o\">(<\/span><span class=\"s2\">\"5c7768915fd5d6ec50b38479\"<\/span><span class=\"o\">)<\/span>, <span class=\"s2\">\"uid\"<\/span> : 3, <span class=\"s2\">\"name\"<\/span> : <span class=\"s2\">\"kubo\"<\/span>, <span class=\"s2\">\"sex\"<\/span> : <span class=\"s2\">\"\u7537\"<\/span> <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u6267\u884cJavaScript<\/p>\n<h5>\u51c6\u5907\u4e00\u4e2ajs\u6587\u4ef6<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">users<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">db<\/span><span class=\"p\">.<\/span><span class=\"nx\">user<\/span><span class=\"p\">.<\/span><span class=\"nx\">find<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nx\">users<\/span><span class=\"p\">.<\/span><span class=\"nx\">forEach<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">user<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">user<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">print<\/span><span class=\"p\">(<\/span><span class=\"nx\">user<\/span><span class=\"p\">.<\/span><span class=\"nx\">_id<\/span> <span class=\"o\">+<\/span> <span class=\"dl\">'<\/span><span class=\"se\">\\t<\/span><span class=\"dl\">'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">user<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span> <span class=\"o\">+<\/span> <span class=\"dl\">'<\/span><span class=\"se\">\\t<\/span><span class=\"dl\">'<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">user<\/span><span class=\"p\">.<\/span><span class=\"nx\">sex<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<h5>\u6267\u884c<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mongo <span class=\"nt\">--quiet<\/span> testdb .\/find.js\r\n5c7768915fd5d6ec50b38477        koda    \u7537\r\n5c7768915fd5d6ec50b38478        mori    \u7537\r\n5c7768915fd5d6ec50b38479        kubo    \u7537\r\n<\/code><\/pre>\n<h2>\u5907\u4efd\uff0c\u6062\u590d<\/p>\n<h3>\u8f6c\u50a8\u8f66<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mongodump <span class=\"nt\">--archive<\/span><span class=\"o\">=<\/span>\/tmp\/testdb.20190228.gz <span class=\"nt\">--gzip<\/span> <span class=\"nt\">--db<\/span> testdb\r\n<\/code><\/pre>\n<h3>\u6062\u590d\u5728\u6ca1\u6709\u76ee\u6807\u6570\u636e\u5e93\u7684\u60c5\u51b5\u4e0b\u6267\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; show dbs\r\nadmin   0.000GB\r\nconfig  0.000GB\r\nlocal   0.000GB\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mongorestore <span class=\"nt\">--gzip<\/span> <span class=\"nt\">--archive<\/span><span class=\"o\">=<\/span>\/tmp\/testdb.20190228.gz <span class=\"nt\">--db<\/span> testdb\r\n<\/code><\/pre>\n<h2>\u51fa\u53e3\u548c\u8fdb\u53e3<\/p>\n<h3>\u5bfc\u51fa<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mongoexport <span class=\"nt\">--db<\/span> testdb <span class=\"nt\">--collection<\/span> user <span class=\"nt\">--out<\/span> \/tmp\/user.json\r\n<\/code><\/pre>\n<h3>\u5f15\u5165<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mongoimport <span class=\"nt\">--db<\/span> testdb_new <span class=\"nt\">--collection<\/span> user <span class=\"nt\">--file<\/span> \/tmp\/user.json\r\n<\/code><\/pre>\n<h2>\u5e8f\u5217\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\u7528\u4e8e\u81ea\u52a8\u589e\u91cf\uff0c\u5e76\u50cfRDB\u7684\u5e8f\u5217\u90a3\u6837\u4f7f\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; use testdb\r\n<\/code><\/pre>\n<p>\u521b\u5efa\u4e00\u4e2a counters \u96c6\u5408\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.counters.insert(\r\n   {\r\n      _id: \"userid\",\r\n      seq: 0\r\n   }\r\n)\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; db.counters.find()\r\n{ \"_id\" : \"userid\", \"seq\" : 0 }\r\n<\/code><\/pre>\n<p>\u521b\u5efa\u4e00\u4e2a\u81ea\u52a8\u9012\u589e\u7684\u51fd\u6570\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6c38\u7d9a\u7684\u306b\u4f7f\u3048\u308b\u72b6\u614b\u306b\u3059\u308b\u305f\u3081\u3001db.system.js\u306b\u767b\u9332\u3057\u3066\u304a\u304f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Mongo shell\u4e0a\u3067\u5b9a\u7fa9\u3057\u305f\u5909\u6570\u3084function\u306f\u30ed\u30b0\u30aa\u30d5\u3067\u6d88\u3048\u3066\u3057\u307e\u3046\u305f\u3081<\/ul>\n<pre class=\"post-pre\"><code>\r\n&gt; db.system.js.save({_id:'my_seq', value:function (name) {\r\n     var ret = db.counters.findAndModify(\r\n            {\r\n              query: { _id: name },\r\n              update: { $inc: { seq: 1 } },\r\n              new: true\r\n            }\r\n     );\r\n     return ret.seq;\r\n  }\r\n});\r\n<\/code><\/pre>\n<p>\u4e3a\u786e\u8ba4\u800c\u6ce8\u9500\u767b\u5f55<\/p>\n<pre class=\"post-pre\"><code>&gt; exit\r\nbye\r\n<\/code><\/pre>\n<p>\u91cd\u65b0\u8fde\u63a5<\/p>\n<pre class=\"post-pre\"><code>$ mongo\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; use testdb\r\n<\/code><\/pre>\n<p>\u52a0\u8f7d\u5df2\u6ce8\u518c\u7684\u811a\u672c<\/p>\n<pre class=\"post-pre\"><code>&gt; db.loadServerScripts()\r\n<\/code><\/pre>\n<p>\u83b7\u53d6\u5e8f\u5217<\/p>\n<pre class=\"post-pre\"><code>&gt; my_seq('userid')\r\n1\r\n&gt; my_seq('userid')\r\n2\r\n&gt; my_seq('userid')\r\n3\r\n<\/code><\/pre>\n<p>\u5982\u679c\u8981\u5b9e\u9645\u4f7f\u7528\u7684\u8bdd\uff0c\u53ef\u4ee5\u8fd9\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db.users.insert({_id: my_seq('userid'), name: \"seq_test_user\"} )\r\n&gt; db.users.find()\r\n{ \"_id\" : 4, \"name\" : \"seq_test_user\" }\r\n<\/code><\/pre>\n<h2>\u7528\u6237\u8ba4\u8bc1\u5728\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f\u7528\u6237\u4e4b\u524d\uff0c\u8bf7\u51c6\u5907\u8d85\u7ea7\u7528\u6237\u3002<\/p>\n<h3>\u7528\u6237\u7ba1\u7406\u5458\u7684\u6ce8\u518c<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">#security:\r\n<\/span><\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; use admin\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; db.createUser({\r\n  user:\"admin\",\r\n  pwd:\"manager\",\r\n  roles:[{ role:\"userAdminAnyDatabase\", db:\"admin\" }]\r\n})\r\n<\/code><\/pre>\n<h3>\u91cd\u65b0\u542f\u52a8\u555f\u7528\u8a8d\u8b49\u8a2d\u7f6e<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">security<\/span>:\r\n  <span class=\"n\">authorization<\/span>: <span class=\"n\">enabled<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"c\"># systemctl restart mongod<\/span>\r\n<\/code><\/pre>\n<h3>\u624b\u673a\u5e94\u7528\u7a0b\u5e8f\u7528\u6237\u6ce8\u518c<br \/>\n\u7528\u6237\u91cd\u65b0\u8fde\u63a5\u7684\u7ba1\u7406\u5458<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mongo <span class=\"nt\">-u<\/span> <span class=\"s2\">\"admin\"<\/span> <span class=\"nt\">-p<\/span> <span class=\"s2\">\"manager\"<\/span> <span class=\"nt\">--authenticationDatabase<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"admin\"<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; use testdb\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; db.createUser(\r\n  {\r\n    user: \"airuser\",\r\n    pwd:\"airuser\",\r\n    roles:[\r\n       {role:\"readWrite\",  db:\"testdb\"}\r\n    ]\r\n  }\r\n)\r\n<\/code><\/pre>\n<p>\u53c2\u8003\uff1a\u5185\u7f6e\u89d2\u8272<\/p>\n<h3>\u5207\u6362\u89d2\u8272<\/p>\n<pre class=\"post-pre\"><code>&gt; use testdb\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; db.updateUser(\r\n  \"airuser\",\r\n  {\r\n    roles:[\r\n      {role: \"readWrite\",db: \"testdb\"}\r\n    ]\r\n  }\r\n)\r\n<\/code><\/pre>\n<h3>\u786e\u8ba4\u5df2\u6ce8\u518c\u7684\u7528\u6237<\/p>\n<pre class=\"post-pre\"><code>&gt; use admin\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>&gt; db.system.users.find()\r\n<\/code><\/pre>\n<h3>\u786e\u8ba4\u8fde\u63a5\u8fde\u63a5\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7528\u6237<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>mongo <span class=\"nt\">--host<\/span> localhost <span class=\"nt\">-u<\/span> <span class=\"s2\">\"airuser\"<\/span> <span class=\"nt\">-p<\/span> <span class=\"s2\">\"airuser\"<\/span> <span class=\"nt\">--authenticationDatabase<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"testdb\"<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u53ea\u80fd\u770b\u5230DB\u7684\u8bb8\u53ef\u8bc1\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; show dbs\r\ntestdb  0.000GB\r\n<\/code><\/pre>\n<h2>\u8d60\u54c1<\/p>\n<h3>\u7528PHP\u8fdb\u884c\u8bbf\u95ee\u5728\u7528\u6237\u9a8c\u8bc1\u72b6\u6001\u4e0b\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n<h5>\u51c6\u5907\u6587\u4ef6<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n<span class=\"c1\">\/\/ DB\u3078\u63a5\u7d9a<\/span>\r\n<span class=\"nv\">$mongo<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">MongoClient<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"mongodb:\/\/localhost:27017\/testdb\"<\/span><span class=\"p\">,<\/span>\r\n         <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"username\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s2\">\"airuser\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"password\"<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s2\">\"airuser\"<\/span><span class=\"p\">));<\/span>\r\n<span class=\"c1\">\/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u6307\u5b9a<\/span>\r\n<span class=\"nv\">$db<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$mongo<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">selectDB<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"testdb\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u6307\u5b9a<\/span>\r\n<span class=\"nv\">$coll<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$db<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">selectCollection<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"user\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"c1\">\/\/ \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53d6\u5f97<\/span>\r\n<span class=\"nv\">$docs<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$coll<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">find<\/span><span class=\"p\">(<\/span><span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s1\">'uid'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"mi\">1<\/span><span class=\"p\">));<\/span>\r\n<span class=\"c1\">\/\/ \u8868\u793a<\/span>\r\n<span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$docs<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$id<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nv\">$obj<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nb\">print_r<\/span><span class=\"p\">(<\/span><span class=\"nv\">$obj<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h5>\u6267\u884c<\/p>\n<pre class=\"post-pre\"><code>$ php mongo.php\r\nArray\r\n(\r\n    [_id] =&gt; MongoId Object\r\n        (\r\n            [$id] =&gt; 5c7787e73cf5a95585ea27f7\r\n        )\r\n\r\n    [uid] =&gt; 1\r\n    [name] =&gt; koda\r\n    [sex] =&gt; \u7537\r\n)\r\n<\/code><\/pre>\n<h3>\u5c55\u5f00\u573a\u5730\u7eb5\u5411\u7ecf\u5e38\u4f7f\u7528\u5bf9\u5427<\/p>\n<pre class=\"post-pre\"><code>&gt; db.user.find().pretty()\r\n{\r\n        \"_id\" : ObjectId(\"5c7768915fd5d6ec50b38477\"),\r\n        \"uid\" : 1,\r\n        \"name\" : \"koda\",\r\n        \"sex\" : \"\u7537\"\r\n}\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">cf.<\/ul>\n<\/li>\n<\/ul>\n<p>MySQL: SQL\u306e\u6700\u5f8c\u306b \\G<br \/>\nPostgreSQL: \u30e1\u30bf\u30b3\u30de\u30f3\u30c9 \\x<\/p>\n<h2>\u8bf7\u770b\u4ee5\u4e0b\u5185\u5bb9<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Qiita<\/ul>\n<\/li>\n<\/ul>\n<p>MongoDB\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8<br \/>\nMongoDB\u8d85\u5165\u9580<br \/>\nmongoDB\u3088\u304f\u4f7f\u3046\u30b3\u30de\u30f3\u30c9\u96c6\uff08\u968f\u6642\u66f4\u65b0\uff09<br \/>\nMongoDB 4.0 \u3067\u306e\u4e92\u63db\u6027\u306e\u5909\u66f4<br \/>\nMongoDB\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u306a\u7c21\u5358\u306a\u64cd\u4f5c\u306a\u3069<br \/>\nMongoDB\u30b3\u30de\u30f3\u30c9\u4e00\u89a7\uff08\u81ea\u5206\u7528\u30e1\u30e2\uff09<br \/>\nmongo shell\u306e\u64cd\u4f5c\u307e\u3068\u3081<br \/>\nMongoDB\u306e\u30e6\u30fc\u30b6\u7ba1\u7406<\/p>\n<p>MongoDB(\u672c\u5bb6)<\/p>\n<p>Create an Auto-Incrementing Sequence Field<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8ff0\u8fd9\u662f\u4e00\u4e2a\u4ee5\u4ee5\u4e0b\u89c2\u70b9\u603b\u7ed3\u7684MongoDB\u64cd\u4f5c\u7b80\u6613\u53c2\u8003\u624b\u518c\u3002 \u3068\u308a\u3042\u3048\u305a\u3053\u308c\u3060\u3051\u77e5\u3063\u3066\u3044\u308c\u3070MongoDB\u3092\u30c7 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29980","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff0c\u8bf7\u7528\u4e2d\u6587\u5c06\u4ee5\u4e0b\u5185\u5bb9\u8fdb\u884c\u7ffb\u8bd1\uff1a\u4e3a\u4e86\u5904\u7406MongoDB\uff0c\u81f3\u5c11\u9700\u8981\u4e86\u89e3\u7684\u57fa\u672c\u77e5\u8bc6 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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