{"id":191064,"date":"2022-08-28T10:45:23","date_gmt":"2022-08-28T02:45:23","guid":{"rendered":"https:\/\/www.idc.net\/help\/191064\/"},"modified":"2022-08-28T10:45:23","modified_gmt":"2022-08-28T02:45:23","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%ba%91%e6%95%99%e7%a8%8b%ef%bc%9a%e4%ba%91%e5%bc%80%e5%8f%91-%e6%95%b0%e6%8d%ae%e5%ba%93%e6%80%a7%e8%83%bd%e4%b8%8e%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/191064\/","title":{"rendered":"\u540e\u6d6a\u4e91\u5c0f\u7a0b\u5e8f\u4e91\u6559\u7a0b\uff1a\u4e91\u5f00\u53d1 \u6570\u636e\u5e93\u6027\u80fd\u4e0e\u4f18\u5316"},"content":{"rendered":"

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\u4e00\u3001\u6570\u636e\u5e93\u6027\u80fd\u4e0e\u4f18\u5316\u5efa\u8bae<\/h3>\n

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1\u3001\u8981\u5408\u7406\u4f7f\u7528\u7d22\u5f15<\/strong><\/p>\n<\/p>\n

\u4f7f\u7528\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u6587\u6863\u7684\u67e5\u8be2\u3001\u66f4\u65b0\u3001\u5220\u9664\u3001\u6392\u5e8f\u64cd\u4f5c\uff0c\u6240\u4ee5\u8981\u7ed3\u5408\u67e5\u8be2\u7684\u60c5\u51b5\uff0c\u9002\u5f53\u521b\u5efa\u7d22\u5f15\u3002\u8981\u5c3d\u91cf\u907f\u514d\u5168\u8868\u626b\u63cf\uff0c\u9996\u5148\u5e94\u8003\u8651\u5728 where \u53ca order by \u6d89\u53ca\u7684\u5217\u4e0a\u5efa\u7acb\u7d22\u5f15\u3002\u66f4\u591a\u7d22\u5f15\u7684\u7ec6\u8282\u5728\u7d22\u5f15<\/strong>\u7684\u7ae0\u8282\u91cc\u6709\u4ecb\u7ecd\u3002<\/p>\n<\/p>\n

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3\u3001\u67e5\u8be2\u65f6\u8981\u5c3d\u53ef\u80fd\u901a\u8fc7\u6761\u4ef6\u548climit\u9650\u5236\u6570\u636e<\/strong><\/p>\n<\/p>\n

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{\n  \"title\": \"\u4e3a\u4ec0\u4e48\u8981\u5b66\u4e60\u4e91\u5f00\u53d1\",\n  \"content\": \"\u4e91\u5f00\u53d1\u662f\u817e\u8baf\u4e91\u4e3a\u79fb\u52a8\u5f00\u53d1\u8005\u63d0\u4f9b\u7684\u4e00\u7ad9\u5f0f\u540e\u7aef\u4e91\u670d\u52a1\",\n  \"comments\": [{\n    \"name\": \"\u674e\u4e1cbbsky\",\n    \"created_on\": \"2020-03-21T10:01:22Z\",\n    \"comment\": \"\u4e91\u5f00\u53d1\u662f\u5fae\u4fe1\u751f\u6001\u4e0b\u7684\u6700\u63a8\u8350\u7684\u540e\u53f0\u6280\u672f\u89e3\u51b3\u65b9\u6848\"\n  }, {\n    \"name\": \"\u5c0f\u660e\",\n    \"created_on\": \"2020-03-21T11:01:22Z\",\n    \"comment\": \"\u4e91\u5f00\u53d1\u5b66\u8d77\u6765\u592a\u7b80\u5355\u5566\"\n  }]\n}\n\n<\/code><\/pre>\n
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\/\/\u4e0d\u663e\u793acomments\u91cc\u7684created_on\n.field({\n    \"comments.created_on\":0  \n})\n\n\n\/\/\u53ea\u663e\u793acomments\u91cc\u7684comment\uff0ccomments\u91cc\u7684\u5176\u4ed6\u5b57\u6bb5\u90fd\u4e0d\u663e\u793a\n.field({\n    \"comments.comment\":1\n})\n\n<\/code><\/pre>\n
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 7\u3001\u5c3d\u53ef\u80fd\u4f7f\u7528\u66f4\u65b0\u6307\u4ee4<\/strong><\/p>\n<\/p>\n
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  \"comments\": [{\n    \"name\": \"\u674e\u4e1cbbsky\",\n    \"created_on\": \"2020-03-21T10:01:22Z\",\n    \"comment\": \"\u4e91\u5f00\u53d1\u662f\u5fae\u4fe1\u751f\u6001\u4e0b\u7684\u6700\u63a8\u8350\u7684\u540e\u53f0\u6280\u672f\u89e3\u51b3\u65b9\u6848\"\n  }, {\n    \"name\": \"\u5c0f\u660e\",\n    \"created_on\": \"2020-03-21T11:01:22Z\",\n    \"comment\": \"\u4e91\u5f00\u53d1\u5b66\u8d77\u6765\u592a\u7b80\u5355\u5566\"\n  }]\n\n<\/code><\/pre>\n
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1\u3001\u589e\u52a0\u5197\u4f59\u5b57\u6bb5<\/h4>\n
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{\n  \"title\": \"\u4e3a\u4ec0\u4e48\u8981\u5b66\u4e60\u4e91\u5f00\u53d1\",\n  \"content\": \"\u4e91\u5f00\u53d1\u662f\u817e\u8baf\u4e91\u4e3a\u79fb\u52a8\u5f00\u53d1\u8005\u63d0\u4f9b\u7684\u4e00\u7ad9\u5f0f\u540e\u7aef\u4e91\u670d\u52a1\",\n  \"commentNum\":2, \/\/\u65b0\u589e\u4e00\u4e2a\u8bc4\u8bba\u6570\u7684\u5b57\u6bb5\n  \"comments\": [{\n    \"name\": \"\u674e\u4e1cbbsky\",\n    \"created_on\": \"2020-03-21T10:01:22Z\",\n    \"comment\": \"\u4e91\u5f00\u53d1\u662f\u5fae\u4fe1\u751f\u6001\u4e0b\u7684\u6700\u63a8\u8350\u7684\u540e\u53f0\u6280\u672f\u89e3\u51b3\u65b9\u6848\"\n  }, {\n    \"name\": \"\u5c0f\u660e\",\n    \"created_on\": \"2020-03-21T11:01:22Z\",\n    \"comment\": \"\u4e91\u5f00\u53d1\u5b66\u8d77\u6765\u592a\u7b80\u5355\u5566\"\n  }]\n}\n\n<\/code><\/pre>\n
\u6bd4\u5982\u6211\u4eec\u5e0c\u671b\u5728\u535a\u5ba2\u7684\u9996\u9875\u5c55\u793a\u6587\u7ae0\u5217\u8868\uff0c\u800c\u6bcf\u7bc7\u6587\u7ae0\u8981\u663e\u793a\u8bc4\u8bba\u603b\u6570\u3002\u867d\u7136\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7comments\u7684\u6570\u7ec4\u957f\u5ea6\u4ee5\u53ca\u5982\u679c\u5b58\u5728\u4e8c\u7ea7\u4e09\u7ea7\u8bc4\u8bba\uff08\u5c24\u5176\u662f\u8fd9\u79cd\u60c5\u51b5\uff09\uff0c\u4e5f\u662f\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u65b9\u6cd5\u83b7\u53d6\u5230\u8bc4\u8bba\u6570\uff0c\u4f46\u662f\u4e0d\u5982\u76f4\u63a5\u67e5\u8be2\u65b0\u589e\u7684\u5197\u4f59\u5b57\u6bb5commentNum<\/code>\u6765\u5f97\u76f4\u63a5\u3002<\/p>\n<\/p>\n
2\u3001\u865a\u5047\u5220\u9664<\/h4>\n
 \u6709\u65f6\u5019\u6211\u4eec\u7684\u4e1a\u52a1\u4f1a\u9700\u8981\u7528\u6237\u7ecf\u5e38\u5220\u9664\u6570\u636e\u5e93\u91cc\u9762\u7684\u8bb0\u5f55\u6216\u8bb0\u5f55\u91cc\u7684\u6570\u7ec4\u7684\u60c5\u51b5\uff0c\u4f46\u662f\u5220\u9664\u6570\u636e\u662f\u975e\u5e38\u8017\u8d39\u6027\u80fd\u7684\u4e00\u4ef6\u4e8b\uff0c\u78b0\u5230\u4e1a\u52a1\u9ad8\u5cf0\u671f\uff0c\u6570\u636e\u5e93\u5c31\u4f1a\u51fa\u73b0\u6027\u80fd\u95ee\u9898\u3002\u8fd9\u4e2a\u65f6\u5019\uff0c\u5efa\u8bae\u65b0\u589e\u5197\u4f59\u5b57\u6bb5\u505a\u865a\u5047\u5220\u9664\uff0c\u6bd4\u5982\u7ed9\u8bb0\u5f55\u6dfb\u52a0delete\u7684\u5b57\u6bb5\uff0c\u9ed8\u8ba4\u503c\u4e3afalse\uff0c\u5f53\u6267\u884c\u5220\u9664\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u5c06\u5b57\u6bb5\u7684\u503c\u8bbe\u7f6etrue\uff0c\u67e5\u8be2\u65f6\u53ea\u663e\u793adelete\u4e3afalse\u7684\u8bb0\u5f55\uff0c\u8fd9\u6837\u6570\u636e\u5728\u524d\u7aef\u5c31\u4e0d\u663e\u793a\u4e86\uff0c\u505a\u5230\u4e86\u865a\u5047\u5220\u9664\uff0c\u5728\u4e1a\u52a1\u4f4e\u8c37\u65f6\u6bd4\u5982\u51cc\u6668\u53ef\u4ee5\u7ed3\u5408\u5b9a\u65f6\u89e6\u53d1\u5668\u6bcf\u5929\u8fd9\u4e2a\u65f6\u5019\u6e05\u7406\u4e00\u904d\u3002<\/p>\n<\/p>\n
3\u3001\u5c3d\u91cf\u4e0d\u8981\u628a\u6570\u636e\u5e93\u8bf7\u6c42\u653e\u5230\u5faa\u73af\u4f53\u5185<\/h4>\n
 \u6211\u4eec\u7ecf\u5e38\u4f1a\u6709\u67e5\u8be2\u6570\u636e\u5e93\u91cc\u7684\u6570\u636e\uff0c\u5e76\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u4e4b\u540e\u518d\u5199\u56de\u6570\u636e\u5e93\u7684\u9700\u6c42\uff0c\u5982\u679c\u67e5\u8be2\u5230\u7684\u6570\u636e\u6709\u5f88\u591a\u6761\u65f6\uff0c\u5c31\u4f1a\u9700\u8981\u6211\u4eec\u8fdb\u884c\u5faa\u73af\u5904\u7406\uff0c\u4e0d\u8fc7\u8fd9\u4e2a\u65f6\u5019\u4e00\u5b9a\u8981\u6ce8\u610f\uff0c\u4e0d\u8981\u628a\u6570\u636e\u5e93\u8bf7\u6c42\u653e\u5230\u5faa\u73af\u4f53\u5185<\/strong>\uff0c\u800c\u662f\u5148\u4e00\u6b21\u6027\u67e5\u8be2\u591a\u6761\u6570\u636e\uff0c\u5728\u5faa\u73af\u4f53\u5185\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u4e4b\u540e\u518d\u4e00\u6b21\u6027\u5199\u56de\u6570\u636e\u5e93\u3002<\/p>\n<\/p>\n
 \u5f53\u7136\u5c0f\u7a0b\u5e8f\u6709\u4e9b\u63a5\u53e3\u4e0d\u80fd\u8fdb\u884c\u6570\u7ec4\u64cd\u4f5c\uff0c\u53ea\u80fd\u4e00\u6761\u4e00\u6761\u6267\u884c\uff0c\u6bd4\u5982\u53d1\u9001\u8ba2\u9605\u6d88\u606f\u3001\u4e0a\u4f20\u6587\u4ef6\u7b49\u64cd\u4f5c\u7b49\uff0c\u8fd9\u4e2a\u907f\u514d\u7684\u4e0d\u4e86\u7684\u4f8b\u5916\u3002\u4f46\u662f\u6709\u4e9b\u662f\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u5e93\u7684\u8bbe\u8ba1\u6765\u89c4\u907f\u8fd9\u4e2a\u95ee\u9898\u7684\uff0c\u6bd4\u5982\u628a\u7ecf\u5e38\u8981\u65b0\u589e\u5927\u91cf\u8bb0\u5f55\u7684\u6570\u636e\u5e93\u8bbe\u8ba1\u4e3a\u53ea\u9700\u8981\u65b0\u589e\u5185\u5d4c\u6587\u6863\u7684\u6570\u7ec4\u6570\u636e\u7b49\u3002<\/p>\n<\/p>\n
4\u3001\u5c3d\u91cf\u4f7f\u7528\u4e00\u4e2a\u6570\u636e\u5e93\u8bf7\u6c42\u4ee3\u66ff\u591a\u4e2a\u6570\u636e\u5e93\u8bf7\u6c42<\/h4>\n
 \u5728\u6570\u636e\u5e93\u7684\u8bbe\u8ba1\u4e0a\u4ee5\u53ca\u5728\u6570\u636e\u5e93\u8bf7\u6c42\u7684\u4ee3\u7801\u4e0a\uff0c\u5c3d\u53ef\u80fd\u7528\u4e00\u4e2a\u6570\u636e\u5e93\u8bf7\u6c42\u6765\u4ee3\u66ff\u591a\u4e2a\u6570\u636e\u5e93\u8bf7\u6c42\uff0c\u5c24\u5176\u662f\u7528\u6237\u6700\u5e38\u8bbf\u95ee\u7684\u9996\u9875\uff0c\u5982\u679c\u4e00\u4e2a\u9875\u9762\u7684\u6570\u636e\u5e93\u8bf7\u6c42\u592a\u591a\uff0c\u4f1a\u5bfc\u81f4\u6570\u636e\u5e93\u7684\u5e76\u53d1\u95ee\u9898\u3002\u6709\u4e9b\u6570\u636e\u80fd\u591f\u7f13\u5b58\u5230\u5c0f\u7a0b\u5e8f\u7aef\u5c31\u7f13\u5b58\u5230\u5c0f\u7a0b\u5e8f\u5ea6\uff0c\u4e0d\u5fc5\u8fc7\u5206\u5f3a\u8c03\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<\/p>\n
5\u3001\u89c4\u5212\u597d\u6587\u6863\u9002\u65f6\u521b\u5efa\u7a7a\u5b57\u6bb5<\/h4>\n
 \u6211\u4eec\u6709\u8fd9\u6837\u4e00\u4e2a\u96c6\u5408user\uff0c\u6700\u7ec8<\/strong>\u4f1a\u7528\u6765\u5b58\u50a8\u7528\u6237\u7684\u4e2a\u4eba\u4fe1\u606f\uff0c\u6bd4\u5982\u5f53\u6211\u4eec\u5728\u7528\u6237\u70b9\u51fb\u767b\u5f55\u65f6\u4f1a\u83b7\u53d6\u7528\u6237\u7684\u6635\u79f0\u548c\u5934\u50cf\uff0c\u4e8e\u662f\u4e00\u822c\u7684\u903b\u8f91\u662f\u6211\u4eec\u4f1a\u5728\u6570\u636e\u5e93\u521b\u5efa\u4e00\u4e2a\u8bb0\u5f55\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n
_id:\"\",\nuserInfo:{\n    \"name\":\"\u674e\u4e1cbbsky\",\n    \"avatarUrl\":\"\u5934\u50cf\u5730\u5740\"\n}\n\n<\/code><\/pre>\n
\u4f46\u662f\u66f4\u597d\u7684\u65b9\u5f0f\u662f\uff0c\u6211\u4eec\u5e94\u8be5\u521b\u5efa\u4e00\u4e2a\u5b8c\u6574\u7684\u8bb0\u5f55\uff08\u6309\u7167\u6700\u7ec8\u7684\u5b57\u6bb5\u8bbe\u8ba1\uff09\uff0c\u54ea\u6015\u73b0\u5728\u8fd8\u6ca1\u6709\u6570\u636e\uff0c\u4e5f\u8981\u4e00\u81f4\u6027\u5efa\u597d\u8fd9\u4e9b\u7a7a\u5b57\u6bb5\uff0c\u65b9\u4fbf\u4ee5\u540e\u76f4\u63a5\u4f7f\u7528update\u7684\u65b9\u5f0f\u6765\u5f80\u91cc\u9762\u586b\u5145\u6570\u636e\u3002<\/p>\n<\/p>\n
_id:\"\",\nuserInfo:{\n    \"name\":\"\u674e\u4e1cbbsky\",\n    \"avatarUrl\":\"\u5934\u50cf\u5730\u5740\",\n    \"email\":\"\",\n    \"address\":\"\"\n    ...\n},\nstars:[],\/\/\u5b58\u50a8\u70b9\u8d5e\u7684\u6587\u7ae0\ncollect:[] \/\/\u5b58\u50a8\u6536\u85cf\u7684\u6587\u7ae0\n\n<\/code><\/pre>\n
\u4e09\u3001\u6162\u67e5\u8be2\u4e0e\u544a\u8b66<\/h3>\n
 \u76ee\u524d\u6211\u4eec\u6ca1\u6cd5\u76f4\u63a5\u67e5\u770b\u6570\u636e\u5e93\u8bf7\u6c42\u6240\u82b1\u8d39\u7684\u65f6\u95f4\uff0c\u4f46\u662f\u6709\u4e00\u4e9b\u5176\u4ed6\u6570\u636e\u4f5c\u4e3a\u4f50\u8bc1\uff0c\u5728\u4e91\u51fd\u6570\u7aef\u8fdb\u884c\u6570\u636e\u5e93\u8bf7\u6c42\uff0c\u5982\u679c\u4e91\u51fd\u6570\u7684\u6267\u884c\u65f6\u95f4\u8d85\u8fc7100ms\u751a\u81f3\u66f4\u591a\uff0c\u5219\u57fa\u672c\u53ef\u4ee5\u5224\u5b9a\u4e3a\u6162\u67e5\u8be2\uff0c\u6570\u636e\u5e93\u9700\u8981\u4f18\u5316\u3002\u8fd9\u65f6\uff0c\u6162\u67e5\u8be2\u4e0d\u4ec5\u4f1a\u5f71\u54cd\u6570\u636e\u5e93\u7684\u6027\u80fd\uff0c\u8fd8\u4f1a\u5f71\u54cd\u4e91\u51fd\u6570\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n
 \u6211\u4eec\u77e5\u9053\u4e91\u51fd\u6570\u548c\u4e91\u6570\u636e\u5e93\u7684\u5e76\u53d1\u90fd\u662f\u975e\u5e38\u4f9d\u8d56\u4ed6\u4eec\u7684\u8017\u65f6\u7684\uff0c\u5982\u679c\u6570\u636e\u5e93\u67e5\u8be2\u901f\u5ea6\u53d8\u6162\uff0c\u67e5\u8be2\u4e00\u6b21\u8017\u65f6\u7531\u51e0\u5341\u6beb\u79d2\u589e\u52a0\u5230\u51e0\u767e\u6beb\u79d2\uff0c\u751a\u81f3\u4ee5\u79d2\u8ba1\u7b97\uff0c\u90fd\u662f\u5341\u5206\u8017\u8d39\u8d44\u6e90\u548c\u5f71\u54cd\u5e76\u53d1\u7684\uff1a<\/p>\n<\/p>\n
    \n
  • \u4e91\u51fd\u6570\u8d44\u6e90\u4f7f\u7528\u91cf GBs\uff1a\u8d44\u6e90\u4f7f\u7528\u91cf = \u51fd\u6570\u914d\u7f6e\u5185\u5b58 X \u8fd0\u884c\u8ba1\u8d39\u65f6\u957f\uff0c\u5982\u679c\u4e91\u51fd\u6570\u91cc\u6709\u6570\u636e\u5e93\u8bf7\u6c42\u8017\u8d39\u4e86\u8fd0\u884c\u65f6\u957f\uff0c\u4e91\u51fd\u6570\u8d44\u6e90\u4f7f\u7528\u91cf\u4e5f\u4f1a\u589e\u52a0\uff1b\u4e0d\u8fc7\u4e91\u51fd\u6570\u7684\u5e76\u53d1\u7edf\u4e00\u4e0a\u9650\u4e3a1000\uff0c\u901a\u5e38\u662f\u5f88\u96be\u8fbe\u5230\u7684\uff1b<\/li>\n<\/ul>\n
      \n
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