{"id":1711,"date":"2021-08-02T15:30:25","date_gmt":"2021-08-02T07:30:25","guid":{"rendered":"https:\/\/egonlin.com\/?p=1711"},"modified":"2022-02-07T17:43:36","modified_gmt":"2022-02-07T09:43:36","slug":"db","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=1711","title":{"rendered":"DB"},"content":{"rendered":"<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/post-1711-61079f1190345.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/post-1711-61079f1190345.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h3>\u4e00\uff0eMysql<\/h3>\n<p>1\u3001from\u5b50\u53e5\u7ec4\u88c5\u6765\u81ea\u4e0d\u540c\u6570\u636e\u6e90\u7684\u6570\u636e\uff1b<br \/>\n2\u3001where\u5b50\u53e5\u57fa\u4e8e\u6307\u5b9a\u7684\u6761\u4ef6\u5bf9\u8bb0\u5f55\u884c\u8fdb\u884c\u7b5b\u9009\uff1b<br \/>\n3\u3001group by\u5b50\u53e5\u5c06\u6570\u636e\u5212\u5206\u4e3a\u591a\u4e2a\u5206\u7ec4\uff1b<br \/>\n4\u3001\u4f7f\u7528\u805a\u96c6\u51fd\u6570\u8fdb\u884c\u8ba1\u7b97\uff1b<br \/>\n5\u3001\u4f7f\u7528having\u5b50\u53e5\u7b5b\u9009\u5206\u7ec4\uff1b<br \/>\n6\u3001\u8ba1\u7b97\u6240\u6709\u7684\u8868\u8fbe\u5f0f\uff1b<br \/>\n7\u3001select \u7684\u5b57\u6bb5\uff1b<br \/>\n8\u3001\u4f7f\u7528order by\u5bf9\u7ed3\u679c\u96c6\u8fdb\u884c\u6392\u5e8f\u3002<br \/>\nSQL\u8bed\u8a00\u4e0d\u540c\u4e8e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u7684\u6700\u660e\u663e\u7279\u5f81\u662f\u5904\u7406\u4ee3\u7801\u7684\u987a\u5e8f\u3002\u5728\u5927\u591a\u6570\u636e\u5e93\u8bed\u8a00\u4e2d\uff0c\u4ee3\u7801\u6309<br \/>\n\u7f16\u7801\u987a\u5e8f\u88ab\u5904\u7406\u3002\u4f46\u5728SQL\u8bed\u53e5\u4e2d\uff0c\u7b2c\u4e00\u4e2a\u88ab\u5904\u7406\u7684\u5b50\u53e5\u5f0f FROM\uff0c\u800c\u4e0d\u662f\u7b2c\u4e00\u51fa\u73b0\u7684SELECT\u3002<br \/>\nSQL\u67e5\u8be2\u5904\u7406\u7684\u6b65\u9aa4\u5e8f\u53f7\uff1a<br \/>\n(1) FROM <left_table><br \/>\n(2) <join_type> JOIN <right_table><br \/>\n(3) ON <join_condition><br \/>\n(4) WHERE <where_condition><br \/>\n(5) GROUP BY <group_by_list><br \/>\n(6) WITH {CUBE | ROLLUP}<br \/>\n(7) HAVING <having_condition><br \/>\n(8) SELECT<br \/>\n(9) DISTINCT<br \/>\n(9) ORDER BY <order_by_list><br \/>\n(10) <TOP_specification> <select_list><br \/>\n\u4ee5\u4e0a\u6bcf\u4e2a\u6b65\u9aa4\u90fd\u4f1a\u4ea7\u751f\u4e00\u4e2a\u865a\u62df\u8868\uff0c\u8be5\u865a\u62df\u8868\u88ab\u7528\u4f5c\u4e0b\u4e00\u4e2a\u6b65\u9aa4\u7684\u8f93\u5165\u3002\u8fd9\u4e9b\u865a\u62df\u8868\u5bf9\u8c03\u7528<br \/>\n\u8005(\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u6216\u8005\u5916\u90e8\u67e5\u8be2)\u4e0d\u53ef\u7528\u3002\u53ea\u6709\u6700\u540e\u4e00\u6b65\u751f\u6210\u7684\u8868\u624d\u4f1a\u4f1a\u7ed9\u8c03\u7528\u8005\u3002\u5982\u679c\u6ca1\u6709\u5728<br \/>\n\u67e5\u8be2\u4e2d\u6307\u5b9a\u67d0\u4e00\u4e2a\u5b50\u53e5\uff0c\u5c06\u8df3\u8fc7\u76f8\u5e94\u7684\u6b65\u9aa4\u3002<br \/>\n\u903b\u8f91\u67e5\u8be2\u5904\u7406\u9636\u6bb5\u7b80\u4ecb\uff1a<br \/>\n1\u3001 FROM\uff1a\u5bf9FROM\u5b50\u53e5\u4e2d\u7684\u524d\u4e24\u4e2a\u8868\u6267\u884c\u7b1b\u5361\u5c14\u79ef(\u4ea4\u53c9\u8054\u63a5)\uff0c\u751f\u6210\u865a\u62df\u8868VT1\u3002<br \/>\n2\u3001 ON\uff1a\u5bf9VT1\u5e94\u7528ON\u7b5b\u9009\u5668\uff0c\u53ea\u6709\u90a3\u4e9b\u4f7f\u4e3a\u771f\u624d\u88ab\u63d2\u5165\u5230TV2\u3002<br \/>\n3\u3001 OUTER (JOIN):\u5982\u679c\u6307\u5b9a\u4e86OUTER JOIN(\u76f8\u5bf9\u4e8eCROSS JOIN\u6216INNER JOIN)\uff0c\u4fdd\u7559\u8868\u4e2d\u672a\u627e\u5230\u5339\u914d\u7684\u884c\u5c06\u4f5c\u4e3a\u5916\u90e8\u884c\u6dfb\u52a0\u5230VT2\uff0c\u751f\u6210TV3\u3002\u5982\u679cFROM\u5b50\u53e5\u5305\u542b\u4e24\u4e2a\u4ee5\u4e0a\u7684\u8868\uff0c\u5219\u5bf9\u4e0a\u4e00\u4e2a\u8054\u63a5\u751f\u6210\u7684\u7ed3\u679c\u8868\u548c\u4e0b\u4e00\u4e2a\u8868\u91cd\u590d\u6267\u884c\u6b65\u9aa41\u5230\u6b65\u9aa43\uff0c\u76f4\u5230\u5904\u7406\u5b8c\u6240\u6709\u7684\u8868\u4f4d\u7f6e\u3002<br \/>\n4\u3001 WHERE\uff1a\u5bf9TV3\u5e94\u7528WHERE\u7b5b\u9009\u5668\uff0c\u53ea\u6709\u4f7f\u4e3atrue\u7684\u884c\u624d\u63d2\u5165TV4\u3002<br \/>\n5\u3001 GROUP BY\uff1a\u6309GROUP BY\u5b50\u53e5\u4e2d\u7684\u5217\u5217\u8868\u5bf9TV4\u4e2d\u7684\u884c\u8fdb\u884c\u5206\u7ec4\uff0c\u751f\u6210TV5\u3002<br \/>\n6\u3001 CUTE|ROLLUP\uff1a\u628a\u8d85\u7ec4\u63d2\u5165VT5\uff0c\u751f\u6210VT6\u3002<br \/>\n7\u3001 HAVING\uff1a\u5bf9VT6\u5e94\u7528HAVING\u7b5b\u9009\u5668\uff0c\u53ea\u6709\u4f7f\u4e3atrue\u7684\u7ec4\u63d2\u5165\u5230VT7\u3002<br \/>\n8\u3001 SELECT\uff1a\u5904\u7406SELECT\u5217\u8868\uff0c\u4ea7\u751fVT8\u3002<br \/>\n9\u3001 DISTINCT\uff1a\u5c06\u91cd\u590d\u7684\u884c\u4eceVT8\u4e2d\u5220\u9664\uff0c\u4ea7\u54c1VT9\u3002<br \/>\n10\u3001 ORDER BY\uff1a\u5c06 VT9\u4e2d\u7684\u884c\u6309ORDER BY\u5b50\u53e5\u4e2d\u7684\u5217\u5217\u8868\u987a\u5e8f\uff0c\u751f\u6210\u4e00\u4e2a\u6e38\u6807(VC10)\u3002<br \/>\n11\u3001 TOP\uff1a\u4ece VC10\u7684\u5f00\u59cb\u5904\u9009\u62e9\u6307\u5b9a\u6570\u91cf\u6216\u6bd4\u4f8b\u7684\u884c\uff0c\u751f\u6210\u8868TV11\uff0c\u5e76\u8fd4\u56de\u7ed9\u8c03\u7528\u8005\u3002 where\u5b50\u53e5\u4e2d\u7684\u6761\u4ef6\u4e66\u5199\u987a\u5e8f<\/p>\n<h5>1. \u5e38\u89c1SQL\uff08\u5fc5\u5907\uff09<\/h5>\n<p>\u8be6\u89c1\u6b66\u6c9b\u9f50\u535a\u5ba2\uff1a<a href=\"https:\/\/www.cnblogs.com\/wupeiqi\/articles\/5729934.html\">https:\/\/www.cnblogs.com\/wupeiqi\/articles\/5729934.html<\/a><\/p>\n<h5>2. \u4ec0\u4e48\u662f\u4e8b\u52a1\uff0cMySQL\u662f\u5982\u4f55\u652f\u6301\u4e8b\u52a1\u7684\uff1f<\/h5>\n<p>\u4e8b\u52a1\u5c31\u662f\u4e00\u6bb5sql \u8bed\u53e5\u7684\u6279\u5904\u7406\uff0c\u4f46\u662f\u8fd9\u4e2a\u6279\u5904\u7406\u662f\u4e00\u4e2a\u539f\u5b50 \uff0c\u4e0d\u53ef\u5206\u5272\uff0c\u8981\u4e48\u90fd\u6267\u884c\uff0c\u8981\u4e48\u56de\u6eda\uff08rollback\uff09\u90fd\u4e0d\u6267\u884c\u3002<br \/>\n\u4e8b\u52a1\u5177\u4f53\u56db\u5927\u7279\u6027\uff0c\u4e5f\u5c31\u662f\u7ecf\u5e38\u8bf4\u7684ACID \uff1a<br \/>\n1.\u539f\u5b50\u6027\uff08\u6240\u6709\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u56de\u6eda\uff09<br \/>\n2.\u4e00\u81f4\u6027\uff08\u4e8b\u52a1\u6267\u884c\u4e4b\u524d\u548c\u6267\u884c\u4e4b\u540e\u90fd\u5fc5\u987b\u5904\u4e8e\u4e00\u81f4\u6027\u72b6\u6001\u3002\uff09<br \/>\n3.\u9694\u79bb\u6027\uff08\u6570\u636e\u5e93\u4e3a\u6bcf\u4e00\u4e2a\u7528\u6237\u5f00\u542f\u7684\u4e8b\u52a1\uff0c\u4e0d\u80fd\u88ab\u5176\u4ed6\u4e8b\u52a1\u7684\u64cd\u4f5c\u6240\u5e72\u6270\uff0c\u591a\u4e2a\u5e76\u53d1\u4e8b\u52a1\u4e4b\u95f4\u8981\u76f8\u4e92\u9694\u79bb\uff09<br \/>\n4.\u6301\u4e45\u6027\uff08\u4e00\u4e2a\u4e8b\u52a1\u4e00\u65e6\u88ab\u63d0\u4ea4\u4e86\uff0c\u90a3\u4e48\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u7684\u6539\u53d8\u5c31\u662f\u6c38\u4e45\u6027\u7684\uff0c<br \/>\n\u5373\u4f7f\u906d\u9047\u6545\u969c\u4f9d\u7136\u80fd\u591f\u901a\u8fc7\u65e5\u5fd7\u6062\u590d\u6700\u540e\u4e00\u6b21\u66f4\u65b0\u5728 MySQL \u4e2d\u53ea\u6709\u4f7f\u7528\u4e86 Innodb \u6570\u636e\u5e93\u5f15\u64ce\u7684\u6570\u636e\u5e93\u6216\u8868\u624d\u652f\u6301\u4e8b\u52a1<br \/>\nMYSQL \u4e8b\u52a1\u5904\u7406\u4e3b\u8981\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a<br \/>\n1\u3001\u7528 BEGIN, ROLLBACK, COMMIT\u6765\u5b9e\u73b0 BEGIN \u5f00\u59cb\u4e00\u4e2a\u4e8b\u52a1 ROLLBACK \u4e8b\u52a1\u56de\u6eda COMMIT \u4e8b\u52a1\u786e\u8ba4<br \/>\n2\u3001\u76f4\u63a5\u7528 SET \u6765\u6539\u53d8 MySQL \u7684\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f: SET AUTOCOMMIT=0 \u7981\u6b62\u81ea\u52a8\u63d0\u4ea4 SET AUTOCOMMIT=1 \u5f00\u542f\u81ea\u52a8\u63d0\u4ea4<\/p>\n<h5>3. \u8bf4\u4e00\u4e0bMysql\u6570\u636e\u5e93\u5b58\u50a8\u7684\u539f\u7406\uff1f<\/h5>\n<p>\u50a8\u5b58\u8fc7\u7a0b\u662f\u4e00\u4e2a\u53ef\u7f16\u7a0b\u7684\u51fd\u6570\uff0c\u5b83\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u5e76\u4fdd\u5b58\u3002\u5b83\u53ef\u4ee5\u6709SQL\u8bed\u53e5\u548c\u4e00\u4e9b\u7279\u6b8a\u7684\u63a7\u5236\u7ed3\u6784\u7ec4\u6210\u3002\u5f53\u5e0c\u671b\u5728\u4e0d\u540c\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u5e73\u53f0\u4e0a\u6267\u884c\u76f8\u540c\u7684\u51fd\u6570\uff0c\u6216\u8005\u5c01\u88c5\u7279\u5b9a\u529f\u80fd\u65f6\uff0c\u5b58\u50a8\u8fc7\u7a0b\u662f\u975e\u5e38\u6709 \u7528\u7684\u3002\u6570\u636e\u5e93\u4e2d\u7684\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u770b\u505a\u662f\u5bf9\u7f16\u7a0b\u4e2d\u9762\u5411\u5bf9\u8c61\u65b9\u6cd5\u7684\u6a21\u62df\u3002\u5b83\u5141\u8bb8\u63a7\u5236\u6570\u636e\u7684\u8bbf\u95ee\u65b9\u5f0f\u3002<br \/>\n\u5b58\u50a8\u8fc7\u7a0b\u901a\u5e38\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<br \/>\n1\u3001\u5b58\u50a8\u8fc7\u7a0b\u80fd\u5b9e\u73b0\u8f83\u5feb\u7684\u6267\u884c\u901f\u5ea6<br \/>\n2\u3001\u5b58\u50a8\u8fc7\u7a0b\u5141\u8bb8\u6807\u51c6\u7ec4\u4ef6\u662f\u7f16\u7a0b\u3002<br \/>\n3\u3001\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u7528\u6d41\u7a0b\u63a7\u5236\u8bed\u53e5\u7f16\u5199\uff0c\u6709\u5f88\u5f3a\u7684\u7075\u6d3b\u6027\uff0c\u53ef\u4ee5\u5b8c\u6210\u590d\u6742\u7684\u5224\u65ad\u548c\u8f83\u590d\u6742\u7684\u8fd0\u7b97\u3002<br \/>\n4\u3001\u5b58\u50a8\u8fc7\u7a0b\u53ef\u88ab\u4f5c\u4e3a\u4e00\u79cd\u5b89\u5168\u673a\u5236\u6765\u5145\u5206\u5229\u7528\u3002<br \/>\n5\u3001\u5b58\u50a8\u8fc7\u7a0b\u80fd\u591f\u51cf\u5c11\u7f51\u7edc\u6d41\u91cf<\/p>\n<h5>4. \u6570\u636e\u5e93\u7d22\u5f15\u79cd\u7c7b\uff1f<\/h5>\n<p>\u7d22\u5f15\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6587\u4ef6(InnoDB\u6570\u636e\u8868\u4e0a\u7684\u7d22\u5f15\u662f\u8868\u7a7a\u95f4\u7684\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206)\uff0c\u66f4\u901a\u4fd7\u7684\u8bf4\uff0c\u6570\u636e\u5e93\u7d22\u5f15\u597d\u6bd4\u662f\u4e00\u672c\u4e66\u524d\u9762\u7684\u76ee\u5f55\uff0c\u80fd\u52a0\u5feb\u6570\u636e\u5e93\u7684\u67e5\u8be2\u901f\u5ea6<br \/>\n<strong>MySQL\u7d22\u5f15\u7684\u7c7b\u578b\uff1a<\/strong><\/p>\n<ol>\n<li>\u666e\u901a\u7d22\u5f15\uff1a\u8fd9\u662f\u6700\u57fa\u672c\u7684\u7d22\u5f15\uff0c\u5b83\u6ca1\u6709\u4efb\u4f55\u9650\u5236<br \/>\n2.\u552f\u4e00\u7d22\u5f15\uff1a\u7d22\u5f15\u5217\u7684\u503c\u5fc5\u987b\u552f\u4e00\uff0c\u4f46\u5141\u8bb8\u6709\u7a7a\u503c\uff0c\u5982\u679c\u662f\u7ec4\u5408\u7d22\u5f15\uff0c\u5219\u5217\u503c\u7684\u7ec4\u5408\u5fc5\u987b\u552f\u4e00<br \/>\n\u3000\u3000 3.\u5168\u6587\u7d22\u5f15\uff1a\u5168\u6587\u7d22\u5f15\u4ec5\u53ef\u7528\u4e8e MyISAM \u8868\uff0c\u53ef\u4ee5\u4eceCHAR\u3001VARCHAR\u6216TEXT\u5217\u4e2d\u4f5c\u4e3aCREATE TABLE\u8bed\u53e5\u7684\u4e00\u90e8\u5206\u88ab\u521b\u5efa\uff0c\u6216\u662f\u968f\u540e\u4f7f\u7528ALTER TABLE \u6216CREATE INDEX\u88ab\u6dfb\u52a0\uff08\u5207\u8bb0\u5bf9\u4e8e\u5927\u5bb9\u91cf\u7684\u6570\u636e\u8868\uff0c\u751f\u6210\u5168\u6587\u7d22\u5f15\u662f\u4e00\u4e2a\u975e\u5e38\u6d88\u8017\u65f6\u95f4\u975e\u5e38\u6d88\u8017\u786c\u76d8\u7a7a\u95f4\u7684\u505a\u6cd5\uff09<\/li>\n<li>\u5355\u5217\u7d22\u5f15\u3001\u591a\u5217\u7d22\u5f15\uff1a\u591a\u4e2a\u5355\u5217\u7d22\u5f15\u4e0e\u5355\u4e2a\u591a\u5217\u7d22\u5f15\u7684\u67e5\u8be2\u6548\u679c\u4e0d\u540c\uff0c\u56e0\u4e3a\u6267\u884c\u67e5\u8be2\u65f6\uff0cMySQL\u53ea\u80fd\u4f7f\u7528\u4e00\u4e2a\u7d22\u5f15\uff0c\u4f1a\u4ece\u591a\u4e2a\u7d22\u5f15\u4e2d\u9009\u62e9\u4e00\u4e2a\u9650\u5236\u6700\u4e3a\u4e25\u683c\u7684\u7d22\u5f15\u3002<br \/>\n5.\u7ec4\u5408\u7d22\u5f15\uff08\u6700\u5de6\u524d\u7f00\uff09\uff1a\u7b80\u5355\u7684\u7406\u89e3\u5c31\u662f\u53ea\u4ece\u6700\u5de6\u9762\u7684\u5f00\u59cb\u7ec4\u5408\uff08\u5b9e\u5728\u5355\u5217\u7d22\u5f15\u7684\u57fa\u7840\u4e0a\u8fdb\u4e00\u6b65\u538b\u69a8\u7d22\u5f15\u6548\u7387\u7684\u4e00\u79cd\u65b9\u5f0f\uff09<\/li>\n<\/ol>\n<h5>5. \u7d22\u5f15\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u9075\u5faa\u6700\u5de6\u524d\u7f00\u7684\u89c4\u5219\uff1f<\/h5>\n<p>mysql\u5728\u4f7f\u7528\u7ec4\u5408\u7d22\u5f15\u67e5\u8be2\u7684\u65f6\u5019\u9700\u8981\u9075\u5faa\u201c\u6700\u5de6\u524d\u7f00\u201d\u89c4\u5219<\/p>\n<h5>6. MySQL\u5e38\u89c1\u7684\u51fd\u6570\uff1f\u3000<\/h5>\n<p>\u805a\u5408\u51fd\u6570\uff1a<br \/>\n\u3000\u3000 AVG(col)\u8fd4\u56de\u6307\u5b9a\u5217\u7684\u5e73\u5747\u503c<br \/>\n\u3000\u3000 COUNT(col)\u8fd4\u56de\u6307\u5b9a\u5217\u4e2d\u975eNULL\u503c\u7684\u4e2a\u6570<br \/>\n\u3000\u3000 MIN(col)\u8fd4\u56de\u6307\u5b9a\u5217\u7684\u6700\u5c0f\u503c<br \/>\n\u3000\u3000 MAX(col)\u8fd4\u56de\u6307\u5b9a\u5217\u7684\u6700\u5927\u503c<br \/>\n\u3000\u3000 SUM(col)\u8fd4\u56de\u6307\u5b9a\u5217\u7684\u6240\u6709\u503c\u4e4b\u548c<br \/>\n\u3000\u3000 GROUP_CONCAT(col) \u8fd4\u56de\u7531\u5c5e\u4e8e\u4e00\u7ec4\u7684\u5217\u503c\u8fde\u63a5\u7ec4\u5408\u800c\u6210\u7684\u7ed3\u679c<br \/>\n\u6570\u5b66\u51fd\u6570\uff1a<br \/>\n\u3000\u3000 ABS(x) \u8fd4\u56dex\u7684\u7edd\u5bf9\u503c<br \/>\n\u3000\u3000 BIN(x) \u8fd4\u56dex\u7684\u4e8c\u8fdb\u5236\uff08OCT\u8fd4\u56de\u516b\u8fdb\u5236\uff0cHEX\u8fd4\u56de\u5341\u516d\u8fdb\u5236\uff09<\/p>\n<h5>7. \u5982\u4f55\u5f00\u542f\u6162\u65e5\u5fd7\u67e5\u8be2\uff1f<\/h5>\n<p><\/p><div id=\"rml_readmorelogin_placeholder\" style=\"position:relative;\"><div id=\"rml_fade_content\" style=\"position: absolute;\r\ntop:-10em;\r\nwidth:100%;\r\nheight:10em;\r\nbackground: -webkit-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -moz-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -o-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -ms-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\"><\/div><div class=\"wpf-controller aru_rml_from_in_post\" style=\"background-color:#eeeeee;border:5px solid #cce6ff;\" id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><h2 id=\"Header\">\u67e5\u770b\u66f4\u591a<\/h2><div id=\"Message\"><p>\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div><div id=\"StatusBarHeader\"><\/div><form id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><input name=\"post_id\" value=\"1711\" type=\"hidden\"\/><input name=\"_init_callback\" value=\"InitLogin\" type=\"hidden\"\/><input name=\"post_id\" value=\"1711\" type=\"hidden\"\/><input name=\"rt_ype\" value=\"1\" type=\"hidden\"\/><input name=\"nonce\" value=\"9841862ccb\" type=\"hidden\"\/><input name=\"_wpnonce\" value=\"56d98ae6e2\" type=\"hidden\"\/><input name=\"_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_proxy_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_view\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginView\" type=\"hidden\"\/><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\" width=\"400px\"><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Username:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"username\" value=\"\" type=\"text\"\/><\/td><\/tr><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Password:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"password\" value=\"\" type=\"password\"\/><\/td><\/tr><\/tbody><\/table><p class=\"wpf-table-placeholder submit\"><button class=\"wp_plugin_framework_ajax_button\" type=\"button\" style=\"background-color:#4D90FE;;color:#ffffff;;border:1px solid #3079ed;\" name=\"_event\" value=\"ButtonLogin\">Log in<\/button><\/p><\/td><td class=\"wpf-table-placeholder-input\"><\/td><\/tr><\/tbody><\/table><\/form><div id=\"ButtonStartRegister\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=register\">Register<\/a><\/div><div id=\"Link1\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=lostpassword\">Forgotten username or password?<\/a><\/div><div id=\"StatusBarFooter\"><\/div><\/div><\/div><div id=aru_remaining_content><\/div>","protected":false},"excerpt":{"rendered":"<p>\u4e00\uff0eMysql 1\u3001from\u5b50\u53e5\u7ec4\u88c5\u6765\u81ea\u4e0d\u540c\u6570\u636e\u6e90\u7684\u6570\u636e\uff1b 2\u3001where\u5b50\u53e5\u57fa\u4e8e\u6307\u5b9a\u7684\u6761\u4ef6\u5bf9\u8bb0\u5f55\u884c\u8fdb\u884c\u7b5b\u9009\uff1b [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2529,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[208],"tags":[216,217,215],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1711"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1711"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1711\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/2529"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1711"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1711"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}