{"id":4464,"date":"2019-08-31T19:28:20","date_gmt":"2019-08-31T11:28:20","guid":{"rendered":"https:\/\/www.xttblog.com\/?p=4464"},"modified":"2019-08-31T19:28:20","modified_gmt":"2019-08-31T11:28:20","slug":"mongodb-%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e5%91%bd%e5%90%8d%e3%80%81%e8%ae%be%e8%ae%a1%e8%a7%84%e8%8c%83","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=4464","title":{"rendered":"MongoDB \u6570\u636e\u5e93\u7684\u547d\u540d\u3001\u8bbe\u8ba1\u89c4\u8303"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u548c\u4f17\u591a\u5176\u4ed6\u6570\u636e\u5e93\u4ea7\u54c1\u4e00\u6837\uff0cMongoDB \u6570\u636e\u5e93\u7684\u547d\u540d\u548c\u8bbe\u8ba1\u4e5f\u6709\u4e00\u5957\u89c4\u8303\u3002\u53ea\u4e0d\u8fc7\uff0c\u7531\u4e8e\u7528\u7684\u4eba\u4e0d\u591a\uff0c\u76ee\u524d\u5728\u4e1a\u754c\u8fd8\u6ca1\u6709\u5f62\u6210\u6743\u5a01\u7684\u5171\u8bc6\uff0c\u4eca\u5929\u6839\u636e\u6211\u4e2a\u4eba\u5e73\u65f6\u7684\u4e00\u4e9b\u7ecf\u9a8c\uff0c\u603b\u7ed3\u4e86\u4e00\u4e9b\u89c4\u8303\uff0c\u4e0d\u559c\u5ffd\u55b7\uff01<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/wx3.sinaimg.cn\/mw690\/8fa5dcfcly1g6j2k96hkij20rc0gm75e.jpg\" alt=\"\" \/><figcaption>MongoDB \u6570\u636e\u5e93\u7684\u547d\u540d\u3001\u8bbe\u8ba1\u89c4\u8303<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u90e8\u5206\uff0c\u6211\u4eec\u5148\u8bf4\u547d\u540d\u89c4\u8303\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u6863<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bbe\u8ba1\u7ea6\u675f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>UTF-8 \u5b57\u7b26<\/li><li>\u4e0d\u80fd\u5305\u542b \\0 \u5b57\u7b26(\u7a7a\u5b57\u7b26)\uff0c\u8fd9\u4e2a\u5b57\u7b26\u6807\u8bc6\u5efa\u7684\u7ed3\u5c3e<\/li><li>. \u548c $ \u6709\u7279\u6b8a\u542b\u4e49\uff0c\u9700\u8981\u907f\u514d<\/li><li>\u533a\u5206\u5927\u5c0f\u5199<\/li><li>\u952e\u4e0d\u80fd\u91cd\u590d<\/li><li>\u952e\/\u503c\u5bf9\u6709\u5e8f<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u8df5\u7ea6\u675f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u3010\u5f3a\u5236\u3011\u6587\u6863\u4e2d\u7684key\u7981\u6b62\u4f7f\u7528_\u4ee5\u5916\u7684\u7279\u6b8a\u5b57\u7b26<\/li><li>\u3010\u5f3a\u5236\u3011key\u5168\u90e8\u5c0f\u5199\uff0c\u591a\u4e2a\u5355\u8bcd\u53ef\u4ee5\u4e0b\u5212\u7ebf\u5206\u5272<\/li><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u4f7f\u7528\u6570\u5b57\u6253\u5934\u7684key<\/li><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u81ea\u5b9a\u4e49_id\uff08_id\u4e00\u822c\u81ea\u589e\uff0c\u4f7f\u7528\u65e0\u5e8fid\u6781\u6709\u53ef\u80fd\u964d\u4f4e\u5199\u5165\u6027\u80fd\uff09<\/li><li>\u3010\u5efa\u8bae\u3011\u76f8\u4f3c\u7c7b\u578b\u6587\u6863\u653e\u5728\u4e00\u4e2a\u96c6\u5408\u4e2d\uff0c\u80fd\u5927\u5e45\u63d0\u9ad8\u7d22\u5f15\u5229\u7528\u7387<\/li><li>\u3010\u5efa\u8bae\u3011\u82e5\u4e1a\u52a1\u4e0a\u5bf9\u4e8e\u5b58\u653e\u6570\u636e\u5927\u5c0f\u5199\u4e0d\u654f\u611f\uff0c\u5219\u4f7f\u7528\u5168\u90e8\u5927\u5199\/\u5c0f\u5199\u5b58\u653e\uff08\u6216\u8005\u589e\u52a0\u4e00\u4e2a\u7edf\u4e00\u4e86\u5927\u5c0f\u5199\u5199\u7684\u8f85\u52a9\u5b57\u6bb5\uff09\u3002 \u4f7f\u7528\u5ffd\u7565\u5927\u5c0f\u5199\u7684\u67e5\u8be2\u6781\u5176\u8017\u8d39\u6027\u80fd<\/li><li>\u3010\u5efa\u8bae\u3011\u4e0d\u8981\u5b58\u653e\u592a\u957f\u7684\u5b57\u7b26\u4e32<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1aMongoDB \u7d22\u5f15\u4ec5\u652f\u6301 1KB \u4ee5\u5185\u7684\u5b57\u6bb5<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u4f7f\u7528\u6570\u5b57\u6253\u5934\u7684key<\/li><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u81ea\u5b9a\u4e49_id\uff08_id\u4e00\u822c\u81ea\u589e\uff0c\u4f7f\u7528\u65e0\u5e8fid\u6781\u6709\u53ef\u80fd\u964d\u4f4e\u5199\u5165\u6027\u80fd\uff09<\/li><li>\u3010\u5efa\u8bae\u3011\u76f8\u4f3c\u7c7b\u578b\u6587\u6863\u653e\u5728\u4e00\u4e2a\u96c6\u5408\u4e2d\uff0c\u80fd\u5927\u5e45\u63d0\u9ad8\u7d22\u5f15\u5229\u7528\u7387<\/li><li>\u3010\u5efa\u8bae\u3011\u82e5\u4e1a\u52a1\u4e0a\u5bf9\u4e8e\u5b58\u653e\u6570\u636e\u5927\u5c0f\u5199\u4e0d\u654f\u611f\uff0c\u5219\u4f7f\u7528\u5168\u90e8\u5927\u5199\/\u5c0f\u5199\u5b58\u653e\uff08\u6216\u8005\u589e\u52a0\u4e00\u4e2a\u7edf\u4e00\u4e86\u5927\u5c0f\u5199\u5199\u7684\u8f85\u52a9\u5b57\u6bb5\uff09\u3002 \u4f7f\u7528\u5ffd\u7565\u5927\u5c0f\u5199\u7684\u67e5\u8be2\u6781\u5176\u8017\u8d39\u6027\u80fd<\/li><li>\u3010\u5efa\u8bae\u3011\u4e0d\u8981\u5b58\u653e\u592a\u957f\u7684\u5b57\u7b26\u4e32<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1aMongoDB \u7d22\u5f15\u4ec5\u652f\u6301 1KB \u4ee5\u5185\u7684\u5b57\u6bb5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u96c6\u5408<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bbe\u8ba1\u7ea6\u675f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>UTF-8 \u5b57\u7b26<\/li><li>\u4e0d\u80fd\u662f\u7a7a\u5b57\u7b26\u4e32(&#8220;&#8221;)<\/li><li>\u4e0d\u80fd\u5305\u542b \\0 \u5b57\u7b26(\u7a7a\u5b57\u7b26)\uff0c\u8fd9\u4e2a\u5b57\u7b26\u6807\u8bc6\u96c6\u5408\u540d\u7684\u7ed3\u675f<\/li><li>\u4e0d\u80fd\u4ee5 \u201csystem.\u201d \u5f00\u5934\uff0c\u8fd9\u662f\u4e3a\u7cfb\u7edf\u4fdd\u7559\u7684\u524d\u7f00<\/li><li>\u4e0d\u5728\u96c6\u5408\u4e2d\u5305\u542b\u5b57\u7b26 \u201c$\u201d<\/li><li>\u4f7f\u7528 \u201c.\u201d \u6765\u5206\u9694\u4e0d\u540c\u547d\u540d\u7a7a\u95f4\u7684\u5b50\u96c6\u5408\uff0c\u5982\u4e00\u4e2a\u535a\u5ba2\u53ef\u80fd\u5305\u542b\u4e24\u4e2a\u5b50\u96c6\u5408\uff0cblog.posts\u548cblog.authors\uff0c\u800cblog\u672c\u8eab\u53ef\u4ee5\u4e0d\u5b58\u5728<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u8df5\u7ea6\u675f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u4f7f\u7528_\u4ee5\u5916\u7684\u7279\u6b8a\u5b57\u7b26<\/li><li>\u3010\u5f3a\u5236\u3011\u96c6\u5408\u540d\u79f0\u4e0d\u8d85\u8fc764\u5b57\u7b26<\/li><li>\u3010\u5f3a\u5236\u3011\u96c6\u5408\u540d\u79f0\u5168\u90e8\u5c0f\u5199<\/li><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u4f7f\u7528\u6570\u5b57\u6253\u5934\u7684\u96c6\u5408\u540d\uff0c\u7981\u6b62\u4f7f\u7528system\u6253\u5934\u7684\u96c6\u5408\u540d\uff08system\u4e3a\u7cfb\u7edf\u96c6\u5408\u524d\u7f00\uff09<\/li><li>\u3010\u5efa\u8bae\u3011\u4e3a\u4e86\u907f\u514d\u5e93\u7ea7\u9501\u5e26\u6765\u7684\u95ee\u9898\uff0c\u5e94\u5c3d\u91cf\u5bf9\u5199\u5165\u8f83\u5927\u7684\u96c6\u5408\u4f7f\u7528\u201c\u5355\u5e93\u5355\u96c6\u5408\u201d\u7684\u7ed3\u6784\uff0c\u6240\u4ee5\u5bf9\u4e8e\u65b0\u589e\u4e1a\u52a1\u5e94\u5c3d\u91cf\u521b\u5efa\u65b0\u5e93\uff0c\u800c\u4e0d\u662f\u5728\u73b0\u6709\u5e93\u4e2d\u521b\u5efa\u65b0\u96c6\u5408<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u5e93<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bbe\u8ba1\u7ea6\u675f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>UTF-8 \u5b57\u7b26<\/li><li>\u4e0d\u80fd\u662f\u7a7a\u5b57\u7b26\u4e32(&#8220;&#8221;)<\/li><li>\u57fa\u672c\u4e0a\u53ea\u80fd\u4f7f\u7528 ASCII \u4e2d\u7684\u5b57\u6bcd\u548c\u6570\u5b57\u3002<\/li><li>\u4e0d\u80fd\u542b\u6709 \/\u3001\\\u3001.\u3001&#8221;\u3001*\u3001&lt;\u3001&gt;\u3001:\u3001|\u3001?\u3001$\u3001(\u7a7a\u683c)\u3001\\0(\u7a7a\u5b57\u7b26)<\/li><li>\u5168\u90e8\u4f7f\u7528\u5c0f\u5199\u3002\uff08\u652f\u6301\u5927\u5199\uff0c\u4e0d\u5efa\u8bae\u4f7f\u7528\uff09<\/li><li>\u4e0d\u8d85\u8fc764\u5b57\u8282<\/li><li>\u5b58\u5728\u4fdd\u7559\u6570\u636e\u5e93\u5982\uff1aadmin\u3001local\u3001config<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a\u6570\u636e\u5e93\u540d\u79f0\u9650\u5236\u4e3b\u8981\u662f\u7531\u4e8e\u6570\u636e\u5e93\u6700\u7ec8\u4f1a\u53d8\u6210\u6587\u4ef6\u7cfb\u7edf\u91cc\u7684\u6587\u4ef6\uff0c\u800c\u6570\u636e\u5e93\u540d\u5c31\u662f\u76f8\u5e94\u7684\u6587\u4ef6\u540d\uff0c\u56e0\u6b64\u624d\u6709\u5f88\u591a\u7ea6\u675f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u8df5\u7ea6\u675f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u3010\u5f3a\u5236\u3011\u6570\u636e\u5e93\u540d\u79f0\u5168\u90e8\u5c0f\u5199<\/li><li>\u3010\u5f3a\u5236\u3011\u6570\u636e\u5e93\u540d\u79f0\u4e0d\u8d85\u8fc764\u5b57\u7b26<\/li><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u4f7f\u7528_\u4ee5\u5916\u7684\u7279\u6b8a\u5b57\u7b26<\/li><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u4f7f\u7528\u6570\u5b57\u6253\u5934\u7684\u6570\u636e\u5e93\u540d<\/li><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u4e0e\u4fdd\u7559\u7684\u6570\u636e\u5e93\u91cd\u540d\uff0c\u5982\uff1a admin\uff0clocal\uff0cconfig\u7b49<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d22\u5f15<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u3010\u5f3a\u5236\u3011\u7d22\u5f15\u540d\u79f0\u957f\u5ea6\u4e0d\u8d85\u8fc7128\u5b57\u8282<\/li><li>\u3010\u5f3a\u5236\u3011\u7981\u6b62\u5728\u6570\u7ec4\u5b57\u6bb5\u4e0a\u521b\u5efa\u7d22\u5f15<\/li><li>\u3010\u5f3a\u5236\u3011\u521b\u5efa\u7ec4\u5408\u7d22\u5f15\u65f6\uff0c\u5c3d\u91cf\u5c06\u6570\u636e\u57fa\u6570\u5927\uff08\u552f\u4e00\u503c\u591a\u7684\u6570\u636e\uff09\u7684\u5b57\u6bb5\u653e\u5728\u7ec4\u5408\u7d22\u5f15\u524d\u9762<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u8be2<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u3010\u5efa\u8bae\u3011\u5148\u505a\u7b49\u503c\u67e5\u8be2\uff0c\u518d\u505a\u6392\u5e8f\uff0c\u518d\u505a\u8303\u56f4\u67e5\u8be2<\/li><li>\u3010\u5efa\u8bae\u3011\u67e5\u8be2\u4e2d\u7684\u67d0\u4e9b $ \u64cd\u4f5c\u7b26\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u4f4e\u4e0b\uff0c\u5c3d\u91cf\u907f\u514d<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a<br><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>ne\uff0cne\uff0c     ne\uff0cne\uff0cnot\uff0cexists\uff0cexists\uff0c     exists\uff0cexists\uff0cnin\uff0c$or\uff0c\u5c3d\u91cf\u5728\u4e1a\u52a1\u4e2d\u4e0d\u8981\u4f7f\u7528<\/li><li>$exist\uff1a\u56e0\u4e3a\u677e\u6563\u7684\u6587\u6863\u7ed3\u6784\u5bfc\u81f4\u67e5\u8be2\u5fc5\u987b\u904d\u5386\u6bcf\u4e00\u4e2a\u6587\u6863<\/li><li>$ne\uff1a\u5982\u679c\u5f53\u53d6\u53cd\u7684\u503c\u4e3a\u5927\u591a\u6570\uff0c\u5219\u4f1a\u626b\u63cf\u6574\u4e2a\u7d22\u5f15<\/li><li>$not\uff1a\u53ef\u80fd\u4f1a\u5bfc\u81f4\u67e5\u8be2\u4f18\u5316\u5668\u4e0d\u77e5\u9053\u5e94\u5f53\u4f7f\u7528\u54ea\u4e2a\u7d22\u5f15\uff0c\u6240\u4ee5\u4f1a\u7ecf\u5e38\u9000\u5316\u4e3a\u5168\u8868\u626b\u63cf<\/li><li>$nin\uff1a\u5168\u8868\u626b\u63cf<\/li><li>$or\uff1a\u6709\u591a\u5c11\u4e2a\u6761\u4ef6\u5c31\u4f1a\u67e5\u8be2\u591a\u5c11\u6b21\uff0c\u6700\u540e\u5408\u5e76\u7ed3\u679c\u96c6\uff0c\u6240\u4ee5\u5c3d\u53ef\u80fd\u7684\u4f7f\u7528 $in<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u547d\u540d\u7a7a\u95f4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u6570\u636e\u5e93\u540d\u6dfb\u52a0\u5230\u96c6\u5408\u524d\uff0c\u5f97\u5230\u96c6\u5408\u7684\u5b8c\u5168\u9650\u5b9a\u540d\uff0c\u79f0\u4e3a\u547d\u540d\u7a7a\u95f4\uff08namespace\uff09\uff0c\u5982cms\u6570\u636e\u5e93\u7684blog.posts\u96c6\u5408\uff0c\u547d\u540d\u7a7a\u95f4\u5373\u4e3a\uff1a<br> cms.blog.posts\u3002\u5b9e\u9645\u4f7f\u7528\u4e2d\u547d\u540d\u7a7a\u95f4\u957f\u5ea6\u4e0d\u5f97\u8d85\u8fc7100\u5b57\u8282\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e8c\u90e8\u5206\uff0c\u8bbe\u8ba1\u89c4\u8303\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u5e93\u8bbe\u8ba1\u89c4\u8303<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u6570\u636e\u5e93\u540d\u7ea6\u5b9a\u4e3a\u5c0f\u5199\u3002<\/li><li>\u6570\u636e\u5e93\u540d\u79f0\u4e0d\u80fd\u5305\u542b\u9664\u2019_\u2019\u4ee5\u5916\u7684\u7279\u6b8a\u5b57\u7b26\uff0c\u4f8b\u5982\uff1a\/ \\ . \u201c $\u3002<\/li><li>\u6570\u636e\u5e93\u540d\u79f0\u6700\u591a\u4e3a64\u4e2a\u5b57\u7b26\u3002<\/li><li>\u6570\u636e\u5e93\u4e0a\u7ebf\u9700\u7ecf\u8fc7DBA\u8bc4\u5ba1\u3002<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u96c6\u5408\u8bbe\u8ba1\u89c4\u8303<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u96c6\u5408\u540d\u79f0\u7ea6\u5b9a\u4e3a\u5c0f\u5199\u3002<\/li><li>\u96c6\u5408\u540d\u79f0\u4e0d\u80fd\u5305\u542b\u9664\u2018\u2019<em>\u4ee5\u5916\u7684\u7279\u6b8a\u5b57\u7b26\u5b57\u7b26\uff1b\u96c6\u5408\u540d\u79f0\u7981\u6b62\u4ee5system.\u5f00\u5934\u3002<\/em><\/li><li><em>\u96c6\u5408\u540d\u79f0\u7684\u6700\u5927\u957f\u5ea6\u4e3a64\u4e2a\u5b57\u7b26\uff0c\u5305\u62ec\u524d\u7f00\u7684\u3010database.\u3011\u5185\u5bb9\u3002<\/em><\/li><li><em>\u96c6\u5408\u540d\u79f0\u7684\u547d\u540d\u89c4\u5219\u548cMySQL\u6570\u636e\u5e93\u8868\u7684\u547d\u540d\u89c4\u5219\u76f8\u540c\u3002 a)   \u540c\u4e00\u6a21\u5757\u7684\u96c6\u5408\u5c3d\u53ef\u80fd\u4f7f\u7528\u76f8\u540c\u7684\u524d\u7f00\u540d\uff0c\u96c6\u5408\u540d\u79f0\u5c3d\u53ef\u80fd\u8868\u8fbe\u7528\u9014\u3002 b)   \u6570\u636e\u8868 &lt;\u6a21\u5757\u6807\u8bc6&gt;<\/em>&lt;\u8868\u6807\u8bc6&gt; \u4f8b\u5982\uff1aorder_header , order_detail<br> c)   \u7f16\u7801\u8868 base_&lt;\u6a21\u5757\u6807\u8bc6&gt;<em>&lt;\u8868\u6807\u8bc6&gt; d)   \u65e5\u5fd7\u8868 log<\/em>&lt;\u6a21\u5757\u6807\u8bc6&gt;<em>&lt;\u8868\u6807\u8bc6&gt;<\/em><\/li><li><em>\u56fa\u5b9a\u96c6\u5408\u53ef\u4ee5\u7528\u4e8e\u8bb0\u5f55\u65e5\u5fd7\uff0c\u5176\u63d2\u5165\u6570\u636e\u66f4\u5feb\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5728\u63d2\u5165\u6570\u636e\u65f6\uff0c\u6dd8\u6c70\u6700\u65e9\u7684\u6570\u636e\u3002\u56fa\u5b9a\u96c6\u5408\u9700\u8981\u663e\u5f0f\u521b\u5efa\uff0c\u6307\u5b9aSize\u7684\u5927\u5c0f\uff0c\u8fd8\u80fd\u591f\u6307\u5b9a\u6587\u6863\u7684\u6570\u91cf\u3002\u96c6\u5408\u4e0d\u7ba1\u5148\u8fbe\u5230\u54ea\u4e00\u4e2a\u9650\u5236\uff0c\u4e4b\u540e\u63d2\u5165\u7684\u65b0\u6587\u6863\u90fd\u4f1a\u628a\u6700\u8001\u7684\u6587\u6863\u79fb\u51fa\u3002<\/em><\/li><li><em>\u7d22\u5f15\u547d\u540d\uff1aidx<\/em>&lt;\u6784\u6210\u7d22\u5f15\u7684\u5b57\u6bb5\u540d&gt;\u3002\u5982\u679c\u5b57\u6bb5\u540d\u5b57\u8fc7\u957f\uff0c\u53ef\u91c7\u7528\u5b57\u6bb5\u7f29\u5199\u3002<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u6863\u8bbe\u8ba1\u89c4\u8303<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Key\u7684\u547d\u540d\u89c4\u8303\uff1a\u4e0d\u80fd\u4ee5$\u5f00\u5934;\u4e0d\u80fd\u5305\u542b.(\u70b9\u53f7)\u3002<\/li><li>\u6587\u6863\u4e2d\u7684_id\u952e\u63a8\u8350\u4f7f\u7528\u9ed8\u8ba4\u503c\uff0c\u7981\u6b62\u5411_id\u4e2d\u4fdd\u5b58\u81ea\u5b9a\u4e49\u7684\u503c\u3002MongoDB\u6587\u6863\u4e2d\u90fd\u4f1a\u6709\u4e00\u4e2a\u201c_id\u201d\u952e\uff0c\u9ed8\u8ba4\u662f\u4e2aObjectID\u5bf9\u8c61\uff08\u6807\u8bc6\u7b26\u4e2d\u5305\u542b\u65f6\u95f4\u6233\u3001\u673a\u5668ID\u3001\u8fdb\u7a0bID\u548c\u8ba1\u6570\u5668\uff09\u3002MongoDB\u5728\u6307\u5b9a_id\u4e0e\u4e0d\u6307\u5b9a_id\u63d2\u5165\u65f6\u901f\u5ea6\u76f8\u5dee\u5f88\u5927\uff0c\u6307\u5b9a_id\u4f1a\u51cf\u6162\u63d2\u5165\u7684\u901f\u7387\u3002<\/li><li>\u63a8\u8350\u4f7f\u7528\u77ed\u5b57\u6bb5\u540d\u3002\u4e0e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e0d\u540c\uff0cMongoDB\u96c6\u5408\u4e2d\u7684\u6bcf\u4e00\u4e2a\u6587\u6863\u90fd\u9700\u8981\u5b58\u50a8\u5b57\u6bb5\u540d\uff0c\u957f\u5b57\u6bb5\u540d\u4f1a\u9700\u8981\u66f4\u591a\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/li><li>\u7981\u6b62\u5728\u540c\u4e00\u4e2a\u96c6\u5408\u5b57\u6bb5\u4e2d\u5b58\u50a8\u591a\u4e2a\u6570\u636e\u7c7b\u578b\u7684\u6570\u636e\u3002<\/li><li>\u5982\u82e5\u5c06\u65e5\u671f\u7c7b\u578b\u9009\u62e9\u4e3astring,\u4e0d\u540c\u7684\u65e5\u671f\u683c\u5f0f\u7684\u6587\u6863\uff0c\u4e0d\u652f\u6301\u7b49\u503c\u67e5\u8be2\uff0c\u4e0d\u652f\u6301\u8303\u56f4\u67e5\u8be2\u3002\u521b\u5efa\u4e00\u4e2a\u6d4b\u8bd5\u96c6\u5408product\uff0c\u5206\u522b\u5411\u96c6\u5408\u63d2\u5165Date:&#8221;20180425&#8243;\u548cDate:&#8221;2018-04-25&#8243;\u4e24\u7b14\u6570\u636e\u3002\u7b49\u503c\u67e5\u8be2\u3001\u8303\u56f4\u67e5\u8be2\uff08$gte, $lte\uff09\u53ea\u80fd\u67e5\u5230\u65e5\u671f\u683c\u5f0f\u76f8\u540c\u7684\u6570\u636e\uff0c\u90fd\u4e3a\u4e00\u7b14\u6570\u636e\u3002<\/li><li>MongoDB\u5927\u5c0f\u5199\u654f\u611f\uff0c\u5982\u679c\u5b57\u6bb5\u65e0\u9700\u5927\u5c0f\u5199\u654f\u611f\uff0c\u4e3a\u4e86\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\uff0c\u5e94\u5c3d\u91cf\u5728\u7edf\u4e00\u4e86\u5927\u5c0f\u5199\u4e4b\u540e\u518d\u63d2\u5165\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/li><li>MongoDB\u662f\u6587\u6863\u578b\u6570\u636e\u5e93\uff0c\u6570\u636e\u4ee5BSON\u5f62\u5f0f\u5b58\u50a8\u5728\u6587\u6863\u4e2d\u3002MongoDB\u80fd\u591f\u652f\u6301\u6700\u592716 MB\u7684\u6587\u6863\u5927\u5c0f\u3002\u5efa\u8bae\u5c3d\u91cf\u4e0d\u8981\u5b58\u50a8\u5927\u578b\u5bf9\u8c61\uff0c\u5c06\u6587\u6863\u63a7\u5236\u572816 MB\u4ee5\u5185\u3002<\/li><li>\u901a\u8fc7$size\u67e5\u8be2\u6570\u7ec4\u5927\u5c0f\uff0c\u4f46\u662f$size\u8fd0\u7b97\u7b26\u4e0d\u4f7f\u7528\u7d22\u5f15\u548c\u9650\u5236\u51c6\u786e\u5339\u914d\uff08\u4e0d\u80fd\u6307\u5b9a$Sized \u8303\u56f4\uff09\u3002\u56e0\u6b64\uff0c\u5982\u679c\u9700\u8981\u57fa\u4e8e\u6570\u7ec4\u7684\u5927\u5c0f\u6267\u884c\u67e5\u8be2\uff0c\u53ef\u4ee5\u5728\u6587\u6863\u8bbe\u8ba1\u4e2d\u589e\u52a0size\u5c5e\u6027\u3002\u4f8b\u5982\u5728\u5546\u54c1\u8bc4\u4ef7\u4e2d\uff0c\u5176\u4ed6\u4eba\u53ef\u4ee5\u5bf9\u8bc4\u4ef7\u8fdb\u884c\u6295\u7968\u3002\u4e3a\u4e86\u963b\u6b62\u7528\u6237\u591a\u6b21\u6295\u7968\u548c\u5bf9\u6709\u5e2e\u52a9\u7684\u8bc4\u8bba\u8fdb\u884c\u6392\u5e8f\uff0c\u6240\u4ee5\uff0c\u8bc4\u4ef7\u6587\u6863\u8bbe\u8ba1\u662f\uff1a\u5728\u4e00\u4e2a\u6570\u7ec4\u5b57\u6bb5\uff08voter_ids\uff09\u4fdd\u5b58\u4e86\u6240\u6709\u8bc4\u8bba\u7528\u6237\u7684ID\uff0c\u800c\u6570\u7ec4\u5927\u5c0f\u7f13\u5b58\u5728helpful_votes\u5b57\u6bb5\u91cc\u3002<\/li><li>\u5206\u7247\u952e\u5fc5\u987b\u6709\u7d22\u5f15\uff0c\u5206\u7247\u952e\u5927\u5c0f\u9650\u5236\u4e3a512byte\uff0c\u4e00\u65e6\u96c6\u5408\u5df2\u7ecf\u5206\u7247\uff0c\u4e0d\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u5206\u7247\u952e\u3002\u4e0d\u63a5\u53d7\u5411\u5df2\u8fdb\u884c\u5206\u7247\u7684collection\u4e0a\u63d2\u5165\u65e0\u5206\u7247\u952e\u7684\u6587\u6863\uff0c\u4e5f\u4e0d\u652f\u6301\u7a7a\u503c\u63d2\u5165\u3002<\/li><li>\u7247\u952e\u7684\u8bbe\u8ba1\u539f\u5219\uff1a<br>a)   \u6240\u6709\u7684\u63d2\u5165\u3001\u66f4\u65b0\u3001\u5220\u9664\u5c06\u4f1a\u5747\u5300\u53d1\u9001\u5230\u96c6\u7fa4\u7684\u6240\u6709\u5206\u7247\u4e2d\u3002<br>b)   \u6240\u6709\u7684\u67e5\u8be2\u5c06\u4f1a\u5728\u96c6\u7fa4\u4e2d\u7684\u6240\u6709\u5206\u7247\u4e2d\u5747\u5300\u5730\u5206\u53d1\u3002<br>c)   \u6240\u6709\u7684\u66f4\u65b0\u6216\u8005\u5220\u9664\u64cd\u4f5c\u5c06\u4f1a\u53ea\u9762\u5411\u76f8\u5173\u7684\u5206\u7247\uff0c\u4e0d\u4f1a\u53d1\u9001\u5230\u4e00\u4e2a\u6ca1\u6709\u5b58\u50a8\u88ab\u4fee\u6539\u6570\u636e\u7684\u5206\u7247\u4e0a\u3002<br>d)   \u4e00\u4e2a\u67e5\u8be2\u5c06\u4e0d\u4f1a\u88ab\u53d1\u9001\u5230\u6ca1\u6709\u5b58\u50a8\u88ab\u67e5\u8be2\u6570\u636e\u7684\u5206\u7247\u4e0a\u3002<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fde\u63a5\u89c4\u8303<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u6b63\u786e\u8fde\u63a5\u526f\u672c\u96c6\uff0c\u526f\u672c\u96c6\u63d0\u4f9b\u4e86\u6570\u636e\u7684\u4fdd\u62a4\u3001\u9ad8\u53ef\u7528\u548c\u707e\u96be\u6062\u590d\u7684\u673a\u5236\u3002\u5982\u679c\u4e3b\u8282\u70b9\u5b95\u673a\uff0c\u5176\u4e2d\u4e00\u4e2a\u4ece\u8282\u70b9\u4f1a\u81ea\u52a8\u63d0\u5347\u4e3a\u4ece\u8282\u70b9\u3002<\/li><li>\u5408\u7406\u63a7\u5236\u8fde\u63a5\u6c60\u7684\u5927\u5c0f\uff0c\u9650\u5236\u8fde\u63a5\u6570\u8d44\u6e90\uff0c\u53ef\u901a\u8fc7Connection String URL\u4e2d\u7684maxPoolSize \u53c2\u6570\u6765\u914d\u7f6e\u8fde\u63a5\u6c60\u5927\u5c0f\u3002Mongod \u7684\u670d\u52a1\u6a21\u578b\u662f\u6bcf\u4e2a\u7f51\u7edc\u8fde\u63a5\u7531\u4e00\u4e2a\u5355\u72ec\u7684\u7ebf\u7a0b\u6765\u5904\u7406\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u914d\u7f6e\u4e861MB \u7684\u6808\u7a7a\u95f4\uff0c\u5f53\u7f51\u7edc\u8fde\u63a5\u6570\u592a\u591a\u65f6\uff0c\u8fc7\u591a\u7684\u7ebf\u7a0b\u4f1a\u5bfc\u81f4\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u53d8\u5927\uff0c\u540c\u65f6\u5185\u5b58\u5f00\u9500\u4e5f\u4f1a\u4e0a\u6da8\u3002<\/li><li>\u590d\u5236\u96c6\u8bfb\u9009\u9879\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u590d\u5236\u96c6\u7684\u6240\u6709\u8bfb\u8bf7\u6c42\u90fd\u53d1\u5230Primary\uff0cDriver\u53ef\u901a\u8fc7\u8bbe\u7f6e\u7684Read Preference \u6765\u5c06\u8bfb\u8bf7\u6c42\u8def\u7531\u5230\u5176\u4ed6\u7684\u8282\u70b9\u3002<br>a)   Primary:\u9ed8\u8ba4\u89c4\u5219\uff0c\u6240\u6709\u8bfb\u8bf7\u6c42\u53d1\u5230Primary\u3002<br>b)   PrimaryPreferred: Primary\u4f18\u5148\uff0c\u5982\u679cPrimary\u4e0d\u53ef\u8fbe\uff0c\u8bf7\u6c42Secondary\u3002<br>c)   Secondary\uff1a\u6240\u6709\u7684\u8bfb\u8bf7\u6c42\u90fd\u53d1\u5230Secondary\u3002<br>d)   SecondaryPreferred\uff1aSecondary\u4f18\u5148\uff0c\u5f53\u6240\u6709\u7684Secondary\u4e0d\u53ef\u8fbe\u65f6\uff0c\u8bf7\u6c42Primary\u3002<br>e)   Nearest\uff1a\u8bfb\u8bf7\u6c42\u53d1\u9001\u5230\u6700\u8fd1\u7684\u53ef\u8fbe\u8282\u70b9\u4e0a\uff08\u901a\u8fc7ping\u63a2\u6d4b\u5f97\u51fa\u6700\u8fd1\u7684\u8282\u70b9\uff09\u3002 <\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u64cd\u4f5c\u89c4\u8303<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>MongoDB\u6570\u636e\u5e93\u66f4\u65b0\u6587\u6863\u6709\u4e24\u79cd\u5b9e\u73b0\u65b9\u5f0f\u2014\u6587\u6863\u66ff\u6362\u548c\u76ee\u6807\u5b57\u6bb5\u66f4\u65b0\u3002\u65e2\u53ef\u4ee5\u5b8c\u6574\u66ff\u6362\u73b0\u6709\u7684\u6587\u6863\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u66f4\u65b0\u64cd\u4f5c\u7b26\u6765\u4fee\u6539\u67d0\u4e2a\u5b57\u6bb5\u3002\u4f7f\u7528\u64cd\u4f5c\u7b26\uff0c\u4f8b\u5982$set\u64cd\u4f5c\u7b26\u548c$push\u64cd\u4f5c\u7b26\uff0c\u65e0\u8bba\u539f\u59cb\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u66f4\u65b0\u6587\u6863\u91cc\u7684\u6307\u5b9a\u5b57\u6bb5\u3002\u9891\u7e41\u6587\u6863\u66f4\u65b0\u7684\u573a\u666f\u4e0b\uff0c\u4f7f\u7528\u76ee\u6807\u66f4\u65b0\u53ef\u4ee5\u5728\u5e8f\u5217\u5316\u548c\u4f20\u8f93\u6570\u636e\u4e0a\u82b1\u8d39\u66f4\u5c11\u7684\u65f6\u95f4\uff0c\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li><li>\u591a\u6587\u6863\u66f4\u65b0\uff0c\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u53ea\u4f1a\u66f4\u65b0\u5339\u914d\u67e5\u8be2\u5668\u7684\u7b2c\u4e00\u4e2a\u6587\u6863\u3002\u8981\u66f4\u65b0\u6240\u6709\u7684\u5339\u914d\u6587\u6863\uff0c\u9700\u8981\u663e\u5f0f\u6307\u5b9a\u591a\u6587\u6863\u66f4\u65b0\u6a21\u5f0f&#8211;\u6dfb\u52a0\u53c2\u6570multi:true\u3002<\/li><li>\u5728\u6587\u6863\u7ea7\u522b\u66f4\u65b0\u662f\u539f\u5b50\u6027\u7684\uff0c\u8fd9\u610f\u5473\u7740\u4e00\u6761\u66f4\u65b010\u4e2a\u6587\u6863\u7684\u8bed\u53e5\u53ef\u80fd\u5728\u66f4\u65b03\u4e2a\u6587\u6863\u540e\u7531\u4e8e\u67d0\u4e9b\u539f\u56e0\u5931\u8d25\u3002\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u6839\u636e\u81ea\u5df1\u7684\u7b56\u7565\u6765\u5904\u7406\u8fd9\u4e9b\u5931\u8d25\u3002<\/li><li>update\u7ed3\u5408upsert\u53ef\u4ee5\u7528\u6765\u5904\u7406\uff0c\u5f53\u6587\u6863\u5b58\u5728\u65f6\u66f4\u65b0\uff0c\u6587\u6863\u4e0d\u5b58\u5728\u65f6\u63d2\u5165\u3002\u5982\u679c\u67e5\u8be2\u9009\u62e9\u5668\u5339\u914d\uff0c\u66f4\u65b0\u5c31\u6b63\u5e38\u6267\u884c\uff1b\u5982\u679c\u6ca1\u6709\u5339\u914d\u7684\u6587\u6863\uff0c\u5c31\u4f1a\u63d2\u5165\u65b0\u7684\u6587\u6863\u3002\u65b0\u6587\u6863\u7684\u5b57\u6bb5\u662f\u67e5\u8be2\u9009\u62e9\u5668\u548c\u76ee\u6807\u66f4\u65b0\u6587\u6863\u7684\u903b\u8f91\u5408\u5e76\u3002<\/li><li>\u590d\u5236\u96c6\u7684\u6570\u636e\u5b89\u5168\u53ca\u5199\u7b56\u7565\uff0cWrite Concern \u7528\u4e8e\u63a7\u5236\u5199\u5165\u5b89\u5168\u7684\u7ea7\u522b\u3002Write Concern \u662f\u4e00\u4e2a\u6027\u80fd\u548c\u6570\u636e\u4e00\u81f4\u6027\u7684\u6743\u8861\uff0c\u5e94\u6839\u636e\u4e1a\u52a1\u573a\u666f\u8fdb\u884c\u8bbe\u5b9a\u3002\u5bf9\u4e8e\u5f3a\u4e00\u81f4\u6027\u573a\u666f\uff0c\u5efa\u8baew&gt;1\u6216\u8005\u7b49\u4e8emajority\u3002<\/li><li>\u805a\u5408\u6846\u67b6\u662fMongoDB\u7684\u9ad8\u7ea7\u67e5\u8be2\u8bed\u8a00\uff0c\u5b83\u5141\u8bb8\u901a\u8fc7\u8f6c\u6362\u548c\u5408\u5e76\u7531\u591a\u4e2a\u6587\u6863\u4e2d\u7684\u6570\u636e\u6765\u751f\u6210\u65b0\u7684\u5355\u4e2a\u6587\u6863\u91cc\u4e0d\u5b58\u5728\u7684\u6587\u6863\u4fe1\u606f\u3002\u53ef\u4ee5\u628aMongoDB\u7684\u805a\u5408\u6846\u67b6\u7b49\u4ef7\u4e8eSQL\u7684Group By \u8bed\u53e5\u3002<\/li><li>\u5728\u805a\u5408\u6846\u67b6\u4e2d\uff0c$project\u64cd\u4f5c\u7b26\u5141\u8bb8\u8fc7\u6ee4\u4f20\u9012\u7ed9\u7ba1\u9053\u4e0b\u4e00\u4e2a\u9636\u6bb5\u7684\u5b57\u6bb5\u3002\u9650\u5236\u6bcf\u4e2a\u6587\u6863\u4f20\u9012\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u6539\u5584\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u6587\u6863\u4e14\u53ea\u9700\u8981\u6bcf\u4e2a\u6587\u6863\u4e00\u90e8\u5206\u6570\u636e\u7684\u573a\u666f\u4e0b\u3002<\/li><\/ol>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=4464\">MongoDB \u6570\u636e\u5e93\u7684\u547d\u540d\u3001\u8bbe\u8ba1\u89c4\u8303<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u548c\u4f17\u591a\u5176\u4ed6\u6570\u636e\u5e93\u4ea7\u54c1\u4e00\u6837\uff0cMongoDB \u6570\u636e\u5e93\u7684\u547d\u540d\u548c\u8bbe\u8ba1\u4e5f\u6709\u4e00\u5957\u89c4\u8303\u3002\u53ea\u4e0d\u8fc7\uff0c\u7531\u4e8e\u7528\u7684\u4eba\u4e0d\u591a\uff0c\u76ee\u524d\u5728\u4e1a\u754c\u8fd8 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,12],"tags":[1774,1767,1578,391,1065],"class_list":["post-4464","post","type-post","status-publish","format-standard","hentry","category-java","category-sql","tag-mongoclient","tag-mongocollection","tag-mongodb","tag-mysql","tag-1065"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4464"}],"version-history":[{"count":2,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4464\/revisions"}],"predecessor-version":[{"id":4466,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/4464\/revisions\/4466"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}