{"id":9294,"date":"2024-04-28T12:35:23","date_gmt":"2024-04-28T04:35:23","guid":{"rendered":"\/?p=9294"},"modified":"2024-04-28T12:35:23","modified_gmt":"2024-04-28T04:35:23","slug":"mongodb%e7%ae%80%e4%bb%8b%e5%8f%8a%e5%ae%89%e8%a3%85","status":"publish","type":"post","link":"\/?p=9294","title":{"rendered":"MongoDB\u7b80\u4ecb\u53ca\u5b89\u88c5"},"content":{"rendered":"<h2>MongoDB\u6570\u636e\u5e93\u7684\u4f18\u70b9<\/h2>\n<h3>MongoDB\u7b80\u4ecb<\/h3>\n<p>MongoDB\u662f\u4e00\u4e2a\u57fa\u4e8e\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u7684\u6570\u636e\u5e93\uff0c\u7531C++\u8bed\u8a00\u7f16\u5199\u3002\u65e8\u5728 \u4e3a WEB \u5e94\u7528\u63d0\u4f9b<strong>\u53ef\u6269\u5c55<\/strong>\u7684<strong>\u9ad8\u6027\u80fd<\/strong>\u6570\u636e\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u3002\u5c06\u6570\u636e\u5b58\u50a8\u4e3a\u4e00\u4e2a\u6587\u6863\uff08\u7c7b\u4f3cJSON\u5bf9\u8c61\uff09\uff0c\u6570\u636e\u7ed3\u6784\u7531\u952e\u503c\uff08key=&gt;value\uff09\u5bf9\u7ec4\u6210\u652f\u6301\u4e30\u5bcc\u7684\u67e5\u8be2\u8868\u8fbe\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u4efb\u4f55\u5c5e\u6027\u7684\u7d22\u5f15\uff0c\u4e5f\u53ef\u4ee5\u5d4c\u5957\u6587\u6863\u6765\u8868\u793a\u5c42\u6b21\u5173\u7cfb\uff0c\u5e76\u5b58\u50a8\u8bf8\u5982\u6570\u7ec4\u4e4b\u7c7b\u7684\u7ed3\u6784\u3002<\/p>\n<p><img src=\"https:\/\/lemon-guess.oss-cn-hangzhou.aliyuncs.com\/img\/resize,m_fixed,w_1184.webp\" alt=\"mongodb\u6570\u636e\u5e93\u7684\u4f18\u70b9 \u7b80\u8ff0mongodb\u6570\u636e\u5e93\u7684\u4f18\u52bf_mongodb\" \/><\/p>\n<p>MongoDB\u662f\u4e00\u4e2a\u4ecb\u4e8e<strong>\u975e\u7cfb\u6570\u636e\u5e93<\/strong>\u548c\u975e\u5173\u7cfb\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u4ea7\u54c1\uff0c\u662f\u975e\u5173\u7cfb\u6570\u636e\u5e93\u5f53\u4e2d\u529f\u80fd\u6700\u4e30\u5bcc\uff0c\u6700\u50cf\u5173\u7cfb\u6570\u636e\u5e93\u7684\u3002<\/p>\n<h3>MongoDB\u4f18\u52bf<\/h3>\n<p><strong>MongoDB<\/strong>\uff1a MongoDB \u6700\u597d\u7684\u4e8b\u60c5\u4e4b\u4e00\u662f\u5bf9\u6a21\u5f0f\u8bbe\u8ba1\u6ca1\u6709\u9650\u5236\u3002\u60a8\u53ef\u4ee5\u53ea\u5728\u96c6\u5408\u4e2d\u653e\u7f6e\u51e0\u4e2a\u6587\u6863\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u4e0e\u8fd9\u4e9b\u6587\u6863\u6709\u4efb\u4f55\u5173\u7cfb\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u7531\u4e8e\u7f3a\u4e4f\u8fde\u63a5\u548c\u4e8b\u52a1\uff0c\u60a8\u9700\u8981\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u8bbf\u95ee\u6570\u636e\u7684\u65b9\u5f0f\u7ecf\u5e38\u4f18\u5316\u67b6\u6784\u3002<\/p>\n<p><strong>MySQL<\/strong>\uff1a\u5728 MySQL \u4e2d\u5b58\u50a8\u4efb\u4f55\u5185\u5bb9\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u660e\u786e\u5b9a\u4e49\u8868\u548c\u5217\uff0c\u5e76\u4e14\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u5e94\u8be5\u5177\u6709\u76f8\u540c\u7684\u5217\u3002\u6b63\u56e0\u4e3a\u5982\u6b64\uff0c\u5982\u679c\u9075\u5faa\u89c4\u8303\u5316\uff0c\u5b58\u50a8\u6570\u636e\u7684\u65b9\u5f0f\u5c31\u6ca1\u6709\u592a\u591a\u7684\u7075\u6d3b\u6027\u7a7a\u95f4\u3002<\/p>\n<ul>\n<li>\u5f53\u60a8\u9700\u8981\u6a21\u5f0f\u7684\u7075\u6d3b\u6027\u65f6\uff0cMongoDB \u662f\u6700\u597d\u7684\u9009\u62e9\u3002\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u526f\u672c\u96c6\u4e0e MongoDB \u7ed3\u5408\u4f7f\u7528\uff0c\u5e76\u5229\u7528\u53ef\u6269\u5c55\u6027\u3002\u6269\u5c55\u8ba1\u5212\u975e\u5e38\u7075\u6d3b\uff0c\u53ef\u4ee5\u901a\u8fc7\u5411\u7cfb\u7edf\u6dfb\u52a0\u66f4\u591a\u673a\u5668\u548c RAM \u6765\u8f7b\u677e\u5b9e\u73b0\u3002\u5b83\u8fd8\u5305\u62ec\u6587\u6863\u9a8c\u8bc1\u548c\u96c6\u6210\u7cfb\u7edf\u3002<\/li>\n<li>MongoDB \u7684\u7f3a\u70b9\u5305\u62ec\u4e00\u6bb5\u65f6\u95f4\u5185\u6570\u636e\u91cf\u8f83\u5927\u3002\u7531\u4e8e\u7f3a\u4e4f\u539f\u5b50\u4e8b\u52a1\uff0c\u4e0eNoSQL\u76f8\u6bd4\u901f\u5ea6\u76f8\u5bf9\u8f83\u4f4e\u3002\u6b64\u5916\uff0c\u8be5\u89e3\u51b3\u65b9\u6848\u8fd8\u5904\u4e8e\u521d\u7ea7\u9636\u6bb5\uff0c\u56e0\u6b64\u65e0\u6cd5\u76f4\u63a5\u66ff\u6362\u9057\u7559\u7cfb\u7edf\u3002<\/li>\n<li>MySQL \u5df2\u7ecf\u5b58\u5728\u5f88\u957f\u65f6\u95f4\u4e86\u3002\u4e3b\u8981\u4f18\u70b9\u4e4b\u4e00\u662f\u5b83\u662f\u793e\u533a\u9a71\u52a8\u7684\u3002\u4f5c\u4e3a\u4e00\u4e2a\u6210\u719f\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5b83\u652f\u6301 JOIN\u3001\u5177\u6709\u6743\u9650\u548c\u5bc6\u7801\u5b89\u5168\u7cfb\u7edf\u7684\u539f\u5b50\u4e8b\u52a1\u3002<\/li>\n<li>\u4f7f\u7528 MySQL\uff0c\u60a8\u53ef\u80fd\u65e0\u9700\u6295\u5165\u5927\u91cf\u65f6\u95f4\u548c\u7cbe\u529b\uff0c\u800c\u5176\u4ed6\u5e73\u53f0\u53ef\u80fd\u4f1a\u81ea\u52a8\u4e3a\u60a8\u5b8c\u6210\u8fd9\u4e9b\u5de5\u4f5c\uff0c\u4f8b\u5982\u589e\u91cf\u5907\u4efd\u3002MySQL \u7684\u4e3b\u8981\u95ee\u9898\u662f\u53ef\u6269\u5c55\u6027\u3002\u6ca1\u6709\u5185\u7f6e\u7684 XML \u548c OLAP\u3002<\/li>\n<\/ul>\n<p>\uff081\uff09\u6587\u6863\u7ed3\u6784\u7684\u5b58\u50a8\u65b9\u5f0f\uff0c\u80fd\u591f\u66f4\u4fbf\u6377\u7684\u83b7\u53d6\u6570\u636e\uff0c\u5355\u4e2a\u5bf9\u8c61\u7684\u7ed3\u6784\u662f\u660e\u786e\u7684\u3002<\/p>\n<p>\uff082\uff09\u6027\u80fd\u4f18\u8d8a\u3002\u5728\u4f7f\u7528\u573a\u5408\u4e0b\uff0c\u5343\u4e07\u7ea7\u522b\u7684\u6587\u6863\u5bf9\u8c61\uff0c\u8fd110G\u7684\u6570\u636e\uff0c\u5bf9\u6709\u7d22\u5f15\u7684ID\u7684\u67e5\u8be2\u4e0d\u4f1a\u6bd4mysql\u6162\uff0c\u800c\u5bf9\u975e\u7d22\u5f15\u5b57\u6bb5\u7684\u67e5\u8be2\uff0c\u5219\u662f\u5168\u9762\u80dc\u51fa\u3002 <\/p>\n<p>\uff083\uff09\u6df1\u5ea6\u67e5\u8be2\u80fd\u529b\u3002MongoDB\u4f7f\u7528\u4e0eSQL\u4e00\u6837\u5f3a\u5927\u7684\u57fa\u4e8e\u6587\u6863\u7684\u67e5\u8be2\u8bed\u8a00\u652f\u6301\u5bf9\u6587\u6863\u7684\u52a8\u6001\u67e5\u8be2\u3002<\/p>\n<p>\uff084\uff09\u7b2c\u4e09\u65b9\u652f\u6301\u4e30\u5bcc\u3002\u5f00\u6e90\u7684\u6587\u6863\u6570\u636e\u5e93MongoDB\u80cc\u540e\u6709\u5546\u4e1a\u516c\u53f8\u4e3a\u5b83\u63d0\u4f9b\u5546\u4e1a\u57f9\u8bad\u548c\u652f\u6301\u3002<\/p>\n<p>\uff085\uff09\u5168\u7d22\u5f15\u652f\u6301\uff0c\u6269\u5c55\u5230\u5185\u90e8\u5bf9\u8c61\u548c\u5185\u5d4c\u6570\u7ec4\uff0c\u6ca1\u6709\u590d\u6742\u7684\u8fde\u63a5\u3002<\/p>\n<p>\u5c0f\u8d34\u58eb\uff1a\u867d\u7136MongoDB\u4f18\u52bf\u4e0d\u5c11\uff0c\u4f46\u662f\u5728\u4f7f\u7528\u65f6\u4e5f\u6709\u6ce8\u610f\u4e00\u4e9b\u7f3a\u70b9\uff0c\u6bd4\u5982\u4e0d\u652f\u6301\u4e8b\u52a1\u64cd\u4f5c\u3001\u5360\u7528\u7a7a\u95f4\u8fc7\u5927\uff0c\u6ca1\u6709\u5982MySQL\u90a3\u6837\u6210\u719f\u7684\u7ef4\u62a4\u5de5\u5177\u3002<\/p>\n<h3>MongoDB\u6982\u5ff5\u89e3\u6790<\/h3>\n<p>\u5728MongoDB\u4e2d\u67093\u4e2a\u6bd4\u8f83\u6838\u5fc3\u6982\u5ff5\uff0c\u90a3\u5c31\u662f\u6587\u6863\u3001\u96c6\u5408\u3001\u6570\u636e\u5e93\uff0c\u4e0b\u9762\u901a\u8fc7\u4e00\u4e2a\u8868\u683c\u4e0eSQL\u672f\u8bed\u8fdb\u884c\u5bf9\u6bd4\uff0c\u5e2e\u52a9\u4f60\u5bf9\u5b83\u6709\u66f4\u6df1\u7406\u89e3\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>SQL\u6982\u5ff5<\/th>\n<th>MongoDB\u6982\u5ff5<\/th>\n<th>\u89e3\u91ca\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>database<\/td>\n<td>database<\/td>\n<td>\u6570\u636e\u5e93<\/td>\n<\/tr>\n<tr>\n<td>table<\/td>\n<td>collection<\/td>\n<td>\u6570\u636e\u5e93\u8868 \/ \u96c6\u5408<\/td>\n<\/tr>\n<tr>\n<td>row<\/td>\n<td>document<\/td>\n<td>\u6570\u636e\u8bb0\u5f55\u884c \/ \u6587\u6863<\/td>\n<\/tr>\n<tr>\n<td>column<\/td>\n<td>field<\/td>\n<td>\u6570\u636e\u5b57\u6bb5 \/ \u57df<\/td>\n<\/tr>\n<tr>\n<td>index<\/td>\n<td>index<\/td>\n<td>\u7d22\u5f15<\/td>\n<\/tr>\n<tr>\n<td>table joins<\/td>\n<td><\/td>\n<td>\u8868\u8fde\u63a5 ,MongoDB \u4e0d\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>primary key<\/td>\n<td>primary key<\/td>\n<td>\u4e3b\u952e ,MongoDB \u81ea\u52a8\u5c06 _id \u5b57\u6bb5\u8bbe\u7f6e\u4e3a\u4e3b\u952e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>MongoDB\u5b89\u88c5<\/h2>\n<h3><strong>1\u3001\u5148\u83b7\u53d6mongodb\u955c\u50cf<\/strong><\/h3>\n<pre><code class=\"language-javascript\">docker pull mongo:4.2<\/code><\/pre>\n<h3><strong>2\u3001\u955c\u50cf\u62c9\u53d6\u5b8c\u6210\u540e\uff0c\u8fd0\u884cmongodb\u5bb9\u5668<\/strong><\/h3>\n<pre><code class=\"language-javascript\">docker run \\\n-d \\\n--name mongo \\\n--restart=always \\\n--privileged=true \\\n-p 27017:27017 \\\n-v \/home\/mongodb\/data:\/data\/db \\\nmongo:4.2 --auth<\/code><\/pre>\n<p><img src=\"https:\/\/lemon-guess.oss-cn-hangzhou.aliyuncs.com\/img\/565ffcbbf4071e67f7791da068ef110a.png\" alt=\"\u56fe\u7247\" \/><\/p>\n<h3><strong>3\u3001mongodb\u670d\u52a1\u914d\u7f6e<\/strong><\/h3>\n<p>\u5982\u4e0a\u56fe\uff0cmongodb\u8d77\u6765\u4e4b\u540e\uff0c\u8fdb\u5165\u5bb9\u5668\uff0c\u914d\u7f6e\u8d26\u6237,\u5177\u4f53\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-javascript\">#\u8fdb\u5165\u5bb9\u5668\ndocker exec -it mongo \/bin\/bash\n#\u767b\u5f55mobodb\nmongo admin \n#\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a root\uff0c\u5bc6\u7801\u4e3a 123456 \u7684\u7528\u6237\u3002\ndb.createUser({ user:&#039;root&#039;,pwd:&#039;123456&#039;,roles:[{ role:&#039;userAdminAnyDatabase&#039;, db: &#039;admin&#039;},&quot;readWriteAnyDatabase&quot;]});<\/code><\/pre>\n<h3><strong>4\u3001\u5bb9\u5668\u5185\u90e8\u6d4b\u8bd5\u662f\u5426\u53ef\u7528<\/strong><\/h3>\n<p>\u767b\u5f55mongodb<a href=\"https:\/\/cloud.tencent.com\/solution\/database?from_column=20065&amp;from=20065\">\u6570\u636e\u5e93<\/a>\uff0c\u521b\u5efa\u96c6\u5408users,\u9a8c\u8bc1\u6570\u636e\u5e93\u662f\u5426\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-javascript\">#\u5c1d\u8bd5\u4f7f\u7528\u4e0a\u9762\u521b\u5efa\u7684\u7528\u6237\u4fe1\u606f\u8fdb\u884c\u8fde\u63a5\u3002\ndb.auth(&#039;root&#039;, &#039;123456&#039;)\n#\u9009\u62e9admin\u5e93\nuse admin\n#\u521b\u5efa\u96c6\u5408users\ndb.createCollection(&#039;users&#039;)\n#\u63d2\u5165\u6570\u636e\ndb.users.insert({&quot;name&quot;:&quot;\u5c0f\u674e&quot;,&quot;age&quot;: NumberInt(33)})\n#\u67e5\u770b\u6570\u636e\ndb.users.find()<\/code><\/pre>\n<h3><strong>5\u3001\u672c\u5730navicat\u5ba2\u6237\u7aef\u8fde\u63a5Mongodb<\/strong><\/h3>\n<p>\u9996\u5148\u8981\u4fdd\u8bc1\u670d\u52a1\u5668\u5f00\u542f27017\u7aef\u53e3\uff0c\u7136\u540e\u7528<a href=\"https:\/\/cloud.tencent.com\/product\/eip?from_column=20065&amp;from=20065\">\u516c\u7f51IP<\/a>\u52a027017\u6d4b\u8bd5\u662f\u5426\u80fd\u8bbf\u95ee\uff08\u670d\u52a1\u5668\u8981\u5f00\u653e27017\u7aef\u53e3\uff09\uff0c\u5f53\u7136\u5982\u679c\u662f\u672c\u5730\u865a\u62df\u673a\u642d\u5efa\u7528\u865a\u62df\u673a\u7684IP+27017\u7aef\u53e3\u6d4b\u8bd5\u5c31\u884c\u3002<\/p>\n<p><img src=\"https:\/\/lemon-guess.oss-cn-hangzhou.aliyuncs.com\/img\/944eef88eb2653f6ff20e3563f531f70.png\" alt=\"\u56fe\u7247\" \/><\/p>\n<p>\u7136\u540e\u7528navicat\u65b0\u5efamongodb\u8fde\u63a5\u6d4b\u8bd5\u6ca1\u6709\u6b63\u5e38\u8bbf\u95ee\u3002<\/p>\n<p><img src=\"https:\/\/lemon-guess.oss-cn-hangzhou.aliyuncs.com\/img\/ab1cad19e0c6b55dd069e7e5b915c2c5.png\" alt=\"\u56fe\u7247\" \/><\/p>\n<p>\u8fde\u63a5\u6210\u529f\u540e\uff0c\u6253\u5f00\u6570\u636e\u5e93\u53ef\u80fd\u4ec0\u4e48\u90fd\u770b\u4e0d\u5230\uff0c\u9700\u8981\u9009\u62e9navicat\u83dc\u5355\u680f\u67e5\u770b\u6309\u94ae\u628a\u663e\u793a\u9690\u85cf\u9879\u76ee\u52fe\u9009\u4e0a\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p><img src=\"https:\/\/lemon-guess.oss-cn-hangzhou.aliyuncs.com\/img\/5767403c13e6d30f21d9416d63cba695.png\" alt=\"\u56fe\u7247\" \/><\/p>\n<h3><strong>6\u3001\u540e\u7eed\u8fd0\u7ef4\u547d\u4ee4<\/strong><\/h3>\n<pre><code class=\"language-javascript\">#\u505c\u6b62\u3001\u91cd\u542f\u3001\u5220\u9664\u5bb9\u5668\u547d\u4ee4\ndocker stop mongo #\u505c\u6b62\ndocker start mongo # \u542f\u52a8\ndocker rm mongo #\u5220\u9664\u5bb9\u5668<\/code><\/pre>\n<h2>Python\u64cd\u4f5cMongoDB<\/h2>\n<p>Python\u64cd\u4f5cMongoDB\u4e3b\u8981\u4f9d\u8d56\u4e8e<code>pymongo<\/code>\u5e93\uff0c\u8fd9\u662f\u4e00\u4e2a\u5b98\u65b9\u7684MongoDB\u9a71\u52a8\u7a0b\u5e8f\uff0c\u7528\u4e8e\u4e0eMongoDB\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u6b65\u9aa4\u548c\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Python\u548c<code>pymongo<\/code>\u6765\u64cd\u4f5cMongoDB\u3002<\/p>\n<h3>1. \u5b89\u88c5pymongo<\/h3>\n<p>\u9996\u5148\uff0c\u4f60\u9700\u8981\u5b89\u88c5<code>pymongo<\/code>\u5e93\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528pip\u6765\u5b89\u88c5\uff1a<\/p>\n<pre><code class=\"language-bash\">bash\u590d\u5236\u4ee3\u7801\n\npip install pymongo<\/code><\/pre>\n<h3>2. \u8fde\u63a5\u5230MongoDB<\/h3>\n<p>\u521b\u5efa\u4e00\u4e2aMongoDB\u5ba2\u6237\u7aef\uff0c\u5e76\u8fde\u63a5\u5230MongoDB\u670d\u52a1\u5668\u3002\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f\u672c\u5730MongoDB\u5b9e\u4f8b\uff0c\u5e76\u4e14\u4f7f\u7528\u7684\u662f\u9ed8\u8ba4\u7aef\u53e3\uff0827017\uff09\uff0c\u90a3\u4e48\u8fde\u63a5\u5c06\u975e\u5e38\u7b80\u5355\u3002<\/p>\n<pre><code class=\"language-python\">from pymongo import MongoClient  \n\n# \u521b\u5efaMongoDB\u5ba2\u6237\u7aef  \nclient = MongoClient(&#039;mongodb:\/\/localhost:27017\/&#039;)  \n\n# \u83b7\u53d6\u6570\u636e\u5e93\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u521b\u5efa  \ndb = client[&#039;mydatabase&#039;]  # \u4f7f\u7528mydatabase\u4f5c\u4e3a\u6570\u636e\u5e93\u540d  \n\n# \u83b7\u53d6\u96c6\u5408\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u521b\u5efa  \ncollection = db[&#039;mycollection&#039;]  # \u4f7f\u7528mycollection\u4f5c\u4e3a\u96c6\u5408\u540d<\/code><\/pre>\n<h3>3. \u63d2\u5165\u6570\u636e<\/h3>\n<p>\u4f7f\u7528<code>insert_one()<\/code>\u6216<code>insert_many()<\/code>\u65b9\u6cd5\u6765\u63d2\u5165\u6570\u636e\u3002<\/p>\n<pre><code class=\"language-python\"># \u63d2\u5165\u5355\u6761\u6570\u636e  \ndocument = {&quot;name&quot;: &quot;Alice&quot;, &quot;age&quot;: 30}  \nresult = collection.insert_one(document)  \nprint(f&quot;Inserted document with ID: {result.inserted_id}&quot;)  \n\n# \u63d2\u5165\u591a\u6761\u6570\u636e  \ndocuments = [  \n    {&quot;name&quot;: &quot;Bob&quot;, &quot;age&quot;: 25},  \n    {&quot;name&quot;: &quot;Charlie&quot;, &quot;age&quot;: 35}  \n]  \nresult = collection.insert_many(documents)  \nprint(f&quot;Inserted {len(result.inserted_ids)} documents&quot;)<\/code><\/pre>\n<h3>4. \u67e5\u8be2\u6570\u636e<\/h3>\n<p>\u4f7f\u7528<code>find_one()<\/code>\u6216<code>find()<\/code>\u65b9\u6cd5\u6765\u67e5\u8be2\u6570\u636e\u3002<\/p>\n<pre><code class=\"language-python\"># \u67e5\u8be2\u5355\u4e2a\u6587\u6863  \nresult = collection.find_one({&quot;name&quot;: &quot;Alice&quot;})  \nprint(result)  \n\n# \u67e5\u8be2\u591a\u4e2a\u6587\u6863  \nresults = collection.find({&quot;age&quot;: {&quot;$gt&quot;: 28}})  # \u67e5\u8be2\u5e74\u9f84\u5927\u4e8e28\u7684\u6587\u6863  \nfor doc in results:  \n    print(doc)<\/code><\/pre>\n<h3>5. \u66f4\u65b0\u6570\u636e<\/h3>\n<p>\u4f7f\u7528<code>update_one()<\/code>\u6216<code>update_many()<\/code>\u65b9\u6cd5\u6765\u66f4\u65b0\u6570\u636e\u3002<\/p>\n<pre><code class=\"language-python\"># \u66f4\u65b0\u5355\u4e2a\u6587\u6863  \nresult = collection.update_one({&quot;name&quot;: &quot;Alice&quot;}, {&quot;$set&quot;: {&quot;age&quot;: 31}})  \nprint(f&quot;Matched {result.matched_count} documents and updated {result.modified_count}&quot;)  \n\n# \u66f4\u65b0\u591a\u4e2a\u6587\u6863  \nresult = collection.update_many({&quot;age&quot;: {&quot;$lt&quot;: 30}}, {&quot;$set&quot;: {&quot;status&quot;: &quot;young&quot;}})  \nprint(f&quot;Matched {result.matched_count} documents and updated {result.modified_count}&quot;)<\/code><\/pre>\n<h3>6. \u5220\u9664\u6570\u636e<\/h3>\n<p>\u4f7f\u7528<code>delete_one()<\/code>\u6216<code>delete_many()<\/code>\u65b9\u6cd5\u6765\u5220\u9664\u6570\u636e\u3002<\/p>\n<pre><code class=\"language-python\"># \u5220\u9664\u5355\u4e2a\u6587\u6863  \nresult = collection.delete_one({&quot;name&quot;: &quot;Bob&quot;})  \nprint(f&quot;Deleted {result.deleted_count} document&quot;)  \n\n# \u5220\u9664\u591a\u4e2a\u6587\u6863  \nresult = collection.delete_many({&quot;age&quot;: {&quot;$gt&quot;: 30}})  \nprint(f&quot;Deleted {result.deleted_count} documents&quot;)<\/code><\/pre>\n<h3>7. \u5173\u95ed\u8fde\u63a5<\/h3>\n<p>\u5728\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u540e\uff0c\u5efa\u8bae\u5173\u95edMongoDB\u5ba2\u6237\u7aef\u8fde\u63a5\u3002<\/p>\n<pre><code class=\"language-python\">client.close()<\/code><\/pre>\n<p>\u4ee5\u4e0a\u53ea\u662f<code>pymongo<\/code>\u5e93\u7684\u57fa\u672c\u7528\u6cd5\u793a\u4f8b\u3002\u5b9e\u9645\u4e0a\uff0c<code>pymongo<\/code>\u63d0\u4f9b\u4e86\u8bb8\u591a\u5176\u4ed6\u529f\u80fd\u548c\u9009\u9879\uff0c\u4f8b\u5982\u7d22\u5f15\u7ba1\u7406\u3001\u805a\u5408\u7ba1\u9053\u3001\u4e8b\u52a1\u5904\u7406\u7b49\uff0c\u4f60\u53ef\u4ee5\u67e5\u9605\u5b98\u65b9\u6587\u6863\u6765\u4e86\u89e3\u66f4\u591a\u9ad8\u7ea7\u7528\u6cd5\uff1a<a href=\"https:\/\/pymongo.readthedocs.io\/en\/stable\/\">https:\/\/pymongo.readthedocs.io\/en\/stable\/<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB\u6570\u636e\u5e93\u7684\u4f18\u70b9 MongoDB\u7b80\u4ecb MongoDB\u662f\u4e00\u4e2a\u57fa\u4e8e\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u7684\u6570\u636e\u5e93\uff0c\u7531C++\u8bed\u8a00\u7f16\u5199\u3002\u65e8\u5728 \u4e3a WEB \u5e94\u7528   \u2026 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[33],"tags":[271],"_links":{"self":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts\/9294"}],"collection":[{"href":"\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9294"}],"version-history":[{"count":1,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/9294\/revisions"}],"predecessor-version":[{"id":9295,"href":"\/index.php?rest_route=\/wp\/v2\/posts\/9294\/revisions\/9295"}],"wp:attachment":[{"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9294"},{"taxonomy":"post_tag","embeddable":true,"href":"\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}