{"id":31802,"date":"2023-10-03T08:15:49","date_gmt":"2024-02-27T01:58:23","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/node-js%e7%9a%84orm%e6%98%a0%e5%b0%84%e5%99%a8sequelize%e7%9a%84%e5%85%b3%e8%81%94\/"},"modified":"2024-05-04T02:37:45","modified_gmt":"2024-05-03T18:37:45","slug":"node-js%e7%9a%84orm%e6%98%a0%e5%b0%84%e5%99%a8sequelize%e7%9a%84%e5%85%b3%e8%81%94","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/node-js%e7%9a%84orm%e6%98%a0%e5%b0%84%e5%99%a8sequelize%e7%9a%84%e5%85%b3%e8%81%94\/","title":{"rendered":"Node.js\u7684ORM\u6620\u5c04\u5668Sequelize\u7684\u5173\u8054"},"content":{"rendered":"<h1>\u534f\u4f1a\u7684\u603b\u7ed3<\/h1>\n<h2>\u5c5e\u4e8e<\/h2>\n<p>\u5177\u6709\u4e00\u4e2a\u76f8\u5173\u6027\u3002<\/p>\n<ul class=\"post-ul\">\u4f8b) Players.belongsTo(Teams)<\/ul>\n<p>\u7403\u5458\u8868\u5c06\u81ea\u52a8\u6dfb\u52a0\u5916\u952eteamId\u3002<\/p>\n<h2>\u53ea\u6709\u4e00\u4e2a<\/h2>\n<p>\u5177\u6709\u4e00\u4e2a\u76f8\u5173\u3002<\/p>\n<ul class=\"post-ul\">\u4f8b) Players.hasOne(Profiles)<\/ul>\n<p>\u5728Profiles\u8868\u4e2d\uff0c\u5c06\u6dfb\u52a0\u4e00\u4e2a\u5916\u952eplayerId\uff0c\u5e76\u4e14\u8be5\u5916\u952e\u662f\u81ea\u52a8\u8ffd\u52a0\u7684\u3002\u5728\u8fdb\u884cinclude\u64cd\u4f5c\u65f6\uff0c\u53ea\u4f1a\u8f93\u51fa\u7b2c\u4e00\u6761\u8bb0\u5f55\u3002<\/p>\n<h2>\u62e5\u6709\u8bb8\u591a<\/h2>\n<p>\u5177\u6709\u591a\u4e2a\u5173\u8054\u3002<\/p>\n<ul class=\"post-ul\">\u4f8b) Players.hasMany(Profiles)<\/ul>\n<p>\u5728 Profiles \u8868\u4e2d\uff0c\u5916\u952e playerId \u4f1a\u81ea\u52a8\u6dfb\u52a0\u3002\u5728 include \u65f6\uff0c\u4f1a\u8f93\u51fa\u591a\u4e2a\u8bb0\u5f55\u3002<\/p>\n<h2>\u5c5e\u4e8e\u8bb8\u591a<\/h2>\n<p>\u5177\u6709\u591a\u5bf9\u591a\u7684\u4e2d\u95f4\u8868\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4f8b1)Players.belongsToMany(Teams, { through: TeamPlayers })<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb&#8217;TeamPlayers&#8217;\u304c\u4f5c\u6210\u3055\u308c\u3001\u305d\u3053\u306b\u5916\u90e8\u30ad\u30fcteamId playerId\u304c\u81ea\u52d5\u8ffd\u52a0\u3055\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4f8b2)Teams.belongsToMany(Players, { through: TeamPlayers })<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb&#8217;TeamPlayers&#8217;\u304c\u4f5c\u6210\u3055\u308c\u3001\u305d\u3053\u306b\u5916\u90e8\u30ad\u30fcplayerId teamId\u304c\u81ea\u52d5\u8ffd\u52a0\u3055\u308c\u308b<\/ul>\n<h2>belongTo\u548chasOne\u7684\u533a\u522b\u5728\u4e8e<\/h2>\n<p>\u52a8\u4f5c\u51e0\u4e4e\u76f8\u540c\uff0c\u53ea\u662f\u987a\u5e8f\u53d1\u751f\u4e86\u53d8\u5316\u3002<\/p>\n<h1>\u5c5e\u4e8e\u4e4b\u6837\u672c<\/h1>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ model(\u30c6\u30fc\u30d6\u30eb)\u3092\u5b9a\u7fa9<\/span>\r\n<span class=\"c1\">\/\/ \u4e3b\u30ad\u30fc`id`\u3084`createdAt`\u3001`updatedAt`\u306f\u52dd\u624b\u306b\u5b9a\u7fa9\u3055\u308c\u308b\u306e\u3067\u8a18\u8ff0\u4e0d\u8981<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Players<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">players<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Teams<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">teams<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">belongsTo<\/span><span class=\"p\">(<\/span><span class=\"nx\">Teams<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">foreignKey<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">team_id<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})<\/span>   <span class=\"c1\">\/\/ players\u306b\u5916\u90e8\u30ad\u30fc'team_id'\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002foreignKey\u3092\u7701\u7565\u3057\u305f\u5834\u5408\u3001\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9\u3067id\u540d'teamId'\u304c\u81ea\u52d5\u751f\u6210\u3055\u308c\u308b<\/span>\r\n\r\n<span class=\"c1\">\/\/ model\u3092\u5143\u306bDB\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210({force:true}\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001\u30c6\u30fc\u30d6\u30ebdrop&amp;create)<\/span>\r\n<span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">sync<\/span><span class=\"p\">({<\/span> <span class=\"na\">force<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"k\">await<\/span> <span class=\"nx\">Teams<\/span><span class=\"p\">.<\/span><span class=\"nx\">sync<\/span><span class=\"p\">({<\/span> <span class=\"na\">force<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">});<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30ec\u30b3\u30fc\u30c9\u306ecreate<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">team1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Teams<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">team1<\/span><span class=\"dl\">'<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">player1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">player1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">team_id<\/span><span class=\"p\">:<\/span> <span class=\"nx\">team1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"p\">});<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30ec\u30b3\u30fc\u30c9\u53d6\u5f97<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">player<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">findById<\/span><span class=\"p\">(<\/span><span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">include<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Teams<\/span> <span class=\"p\">})<\/span>\r\n\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">player<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">({<\/span> <span class=\"na\">plain<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">}))<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c<\/p>\n<pre class=\"post-pre\"><code>{ id: 1,\r\n    name: 'player1',\r\n    createdat: 2019-08-29t02:36:21.464z,\r\n    updatedat: 2019-08-29t02:36:21.464z,\r\n    team_id: 1,\r\n    team:\r\n    { id: 1,\r\n    name: 'team1',\r\n    createdat: 2019-08-29t02:36:21.448z,\r\n    updatedat: 2019-08-29t02:36:21.448z } }\r\n<\/code><\/pre>\n<p>\u5c3d\u7ba1\u4ee5\u4e0b\u53ef\u80fd\u901a\u8fc7\u56e2\u961f : \u7403\u5458 = 1: n \u7684\u65b9\u5f0f\u83b7\u5f97\uff0c\u4f46\u662f\u65e0\u6cd5\u5b9e\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">team<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Teams<\/span><span class=\"p\">.<\/span><span class=\"nx\">findById<\/span><span class=\"p\">(<\/span><span class=\"nx\">team1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">include<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">})<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c (ch\u016b l\u00ec ji\u00e9 gu\u01d2)<\/p>\n<pre class=\"post-pre\"><code>  failed: sequelizeeagerloadingerror: players is not associated to teams!\r\n<\/code><\/pre>\n<h1>\u6709\u4e00\u4e2a\u793a\u4f8b<\/h1>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ model(\u30c6\u30fc\u30d6\u30eb)\u3092\u5b9a\u7fa9<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Players<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">players<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Profiles<\/span><span class=\"o\">=<\/span> <span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">profiles<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">hasOne<\/span><span class=\"p\">(<\/span><span class=\"nx\">Profiles<\/span><span class=\"p\">,{<\/span><span class=\"na\">foreignKey<\/span><span class=\"p\">:<\/span><span class=\"dl\">'<\/span><span class=\"s1\">player_id<\/span><span class=\"dl\">'<\/span><span class=\"p\">})<\/span>\r\n\r\n<span class=\"c1\">\/\/ model\u3092\u5143\u306bDB\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210<\/span>\r\n<span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">sync<\/span><span class=\"p\">({<\/span> <span class=\"na\">force<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"k\">await<\/span> <span class=\"nx\">Profiles<\/span><span class=\"p\">.<\/span><span class=\"nx\">sync<\/span><span class=\"p\">({<\/span> <span class=\"na\">force<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">});<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30ec\u30b3\u30fc\u30c9\u306ecreate<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">player1<\/span><span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">player1<\/span><span class=\"dl\">'<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">profile1<\/span><span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Profiles<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">profile1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">player_id<\/span><span class=\"p\">:<\/span> <span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">profile2<\/span><span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Profiles<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">profile2<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">player_id<\/span><span class=\"p\">:<\/span> <span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"p\">});<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30ec\u30b3\u30fc\u30c9\u306e\u53d6\u5f97<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">player<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">findById<\/span><span class=\"p\">(<\/span><span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">include<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Profiles<\/span><span class=\"p\">})<\/span>\r\n\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">player<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">({<\/span> <span class=\"na\">plain<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">}))<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c<\/p>\n<pre class=\"post-pre\"><code>{ id: 1,\r\n    name: 'player1',\r\n    createdAt: 2019-08-29T03:59:30.432Z,\r\n    updatedAt: 2019-08-29T03:59:30.432Z,\r\n    profile:\r\n    { id: 1,\r\n    name: 'profile1',\r\n    createdAt: 2019-08-29T03:59:30.448Z,\r\n    updatedAt: 2019-08-29T03:59:30.448Z,\r\n    player_id: 1 } }\r\n<\/code><\/pre>\n<h1>\u6709\u8bb8\u591a\u793a\u4f8b<\/h1>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ model(\u30c6\u30fc\u30d6\u30eb)\u3092\u5b9a\u7fa9<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Players<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">players<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Profiles<\/span><span class=\"o\">=<\/span> <span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">profiles<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">hasMany<\/span><span class=\"p\">(<\/span><span class=\"nx\">Profiles<\/span><span class=\"p\">,{<\/span><span class=\"na\">foreignKey<\/span><span class=\"p\">:<\/span><span class=\"dl\">'<\/span><span class=\"s1\">player_id<\/span><span class=\"dl\">'<\/span><span class=\"p\">})<\/span>\r\n\r\n<span class=\"c1\">\/\/ model\u3092\u5143\u306bDB\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210<\/span>\r\n<span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">sync<\/span><span class=\"p\">({<\/span> <span class=\"na\">force<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"k\">await<\/span> <span class=\"nx\">Profiles<\/span><span class=\"p\">.<\/span><span class=\"nx\">sync<\/span><span class=\"p\">({<\/span> <span class=\"na\">force<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">});<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30ec\u30b3\u30fc\u30c9\u306ecreate<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">player1<\/span><span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">player1<\/span><span class=\"dl\">'<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">profile1<\/span><span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Profiles<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">profile1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">player_id<\/span><span class=\"p\">:<\/span> <span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">profile2<\/span><span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Profiles<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">profile2<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">player_id<\/span><span class=\"p\">:<\/span> <span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"p\">});<\/span>\r\n\r\n<span class=\"c1\">\/\/\u3000\u30ec\u30b3\u30fc\u30c9\u306e\u53d6\u5f97<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">player<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">findById<\/span><span class=\"p\">(<\/span><span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">include<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Profiles<\/span><span class=\"p\">})<\/span>\r\n\r\n<span class=\"c1\">\/\/ hasOne\u3060\u3068\u6700\u521d\u306e\uff11\u4ef6\u3057\u304b\u53d6\u5f97\u3067\u304d\u306a\u3044\u304chasMany\u3060\u3068\u5168\u3066\u53d6\u5f97\u3067\u304d\u308b<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">player<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">({<\/span> <span class=\"na\">plain<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">}))<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c<\/p>\n<pre class=\"post-pre\"><code>{ id: 1,\r\n    name: 'player1',\r\n    createdAt: 2019-08-29T04:13:05.396Z,\r\n    updatedAt: 2019-08-29T04:13:05.396Z,\r\n    profiles:\r\n    [ { id: 1,\r\n        name: 'profile1',\r\n        createdAt: 2019-08-29T04:13:05.412Z,\r\n        updatedAt: 2019-08-29T04:13:05.412Z,\r\n        player_id: 1 },\r\n    { id: 2,\r\n        name: 'profile2',\r\n        createdAt: 2019-08-29T04:13:05.428Z,\r\n        updatedAt: 2019-08-29T04:13:05.428Z,\r\n        player_id: 1 } ] }\r\n<\/code><\/pre>\n<h1>\u5c5e\u4e8e\u591a\u5bf9\u591a\u5173\u7cfb\u7684\u793a\u4f8b<\/h1>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ model(\u30c6\u30fc\u30d6\u30eb)\u3092\u5b9a\u7fa9<\/span>\r\n<span class=\"c1\">\/\/ \u4e3b\u30ad\u30fc'id'\u3084'createdAt'\u3001'updatedAt'\u306f\u52dd\u624b\u306b\u5b9a\u7fa9\u3055\u308c\u308b\u306e\u3067\u8a18\u8ff0\u4e0d\u8981<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Players<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">players<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">Teams<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">teams<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">TeamPlayers<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">team_players<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u4e2d\u9593\u30c6\u30fc\u30d6\u30eb'TeamPlayers'\u3092\u4f5c\u6210\u3057\u3001\u305d\u3053\u306b'team_id'\u3092\u8ffd\u52a0\u3059\u308b<\/span>\r\n<span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">belongsToMany<\/span><span class=\"p\">(<\/span><span class=\"nx\">Teams<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">through<\/span><span class=\"p\">:<\/span> <span class=\"nx\">TeamPlayers<\/span><span class=\"p\">,<\/span> <span class=\"na\">foreignKey<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">team_id<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})<\/span> \r\n<span class=\"c1\">\/\/ \u4e2d\u9593\u30c6\u30fc\u30d6\u30eb'TeamPlayers'\u3092\u4f5c\u6210\u3057\u3001\u305d\u3053\u306b'team_id'\u3092\u8ffd\u52a0\u3059\u308b<\/span>\r\n<span class=\"nx\">Teams<\/span><span class=\"p\">.<\/span><span class=\"nx\">belongsToMany<\/span><span class=\"p\">(<\/span><span class=\"nx\">Players<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">through<\/span><span class=\"p\">:<\/span> <span class=\"nx\">TeamPlayers<\/span><span class=\"p\">,<\/span> <span class=\"na\">foreignKey<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">player_id<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})<\/span>\r\n\r\n<span class=\"k\">await<\/span> <span class=\"nx\">TeamPlayers<\/span><span class=\"p\">.<\/span><span class=\"nx\">sync<\/span><span class=\"p\">({<\/span> <span class=\"na\">force<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">sync<\/span><span class=\"p\">({<\/span> <span class=\"na\">force<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"k\">await<\/span> <span class=\"nx\">Teams<\/span><span class=\"p\">.<\/span><span class=\"nx\">sync<\/span><span class=\"p\">({<\/span> <span class=\"na\">force<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">});<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30ec\u30b3\u30fc\u30c9\u306ecreate<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">team1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Teams<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">team1<\/span><span class=\"dl\">'<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">team2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Teams<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">team2<\/span><span class=\"dl\">'<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">player1<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">player1<\/span><span class=\"dl\">'<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">addTeam<\/span><span class=\"p\">(<\/span><span class=\"nx\">team1<\/span><span class=\"p\">,{<\/span> <span class=\"na\">status<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">started<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})<\/span>\r\n<span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">addTeam<\/span><span class=\"p\">(<\/span><span class=\"nx\">team2<\/span><span class=\"p\">,{<\/span> <span class=\"na\">status<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">started<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">player2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">player2<\/span><span class=\"dl\">'<\/span> <span class=\"p\">});<\/span>\r\n<span class=\"nx\">player2<\/span><span class=\"p\">.<\/span><span class=\"nx\">addTeam<\/span><span class=\"p\">(<\/span><span class=\"nx\">team1<\/span><span class=\"p\">,{<\/span> <span class=\"na\">status<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">started<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})<\/span>\r\n<span class=\"nx\">player2<\/span><span class=\"p\">.<\/span><span class=\"nx\">addTeam<\/span><span class=\"p\">(<\/span><span class=\"nx\">team2<\/span><span class=\"p\">,{<\/span> <span class=\"na\">status<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">started<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30ec\u30b3\u30fc\u30c9\u53d6\u5f97<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">player<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">.<\/span><span class=\"nx\">findById<\/span><span class=\"p\">(<\/span><span class=\"nx\">player1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">include<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Teams<\/span> <span class=\"p\">})<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">player<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">({<\/span> <span class=\"na\">plain<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">}))<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">team<\/span><span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">Teams<\/span><span class=\"p\">.<\/span><span class=\"nx\">findById<\/span><span class=\"p\">(<\/span><span class=\"nx\">team1<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"na\">include<\/span><span class=\"p\">:<\/span> <span class=\"nx\">Players<\/span><span class=\"p\">})<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">team<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">({<\/span> <span class=\"na\">plain<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span> <span class=\"p\">}))<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c<\/p>\n<pre class=\"post-pre\"><code>{ id: 1,\r\n  name: 'player1',\r\n  createdAt: 2019-08-29T05:56:11.200Z,\r\n  updatedAt: 2019-08-29T05:56:11.200Z,\r\n  teams:\r\n   [ { id: 1,\r\n       name: 'team1',\r\n       createdAt: 2019-08-29T05:56:11.168Z,\r\n       updatedAt: 2019-08-29T05:56:11.168Z,\r\n       team_players: [Object] },\r\n     { id: 2,\r\n       name: 'team2',\r\n       createdAt: 2019-08-29T05:56:11.184Z,\r\n       updatedAt: 2019-08-29T05:56:11.184Z,\r\n       team_players: [Object] } ] }\r\n\r\n{ id: 1,\r\n  name: 'team1',\r\n  createdAt: 2019-08-29T05:56:11.168Z,\r\n  updatedAt: 2019-08-29T05:56:11.168Z,\r\n  players:\r\n   [ { id: 1,\r\n       name: 'player1',\r\n       createdAt: 2019-08-29T05:56:11.200Z,\r\n       updatedAt: 2019-08-29T05:56:11.200Z,\r\n       team_players: [Object] },\r\n     { id: 2,\r\n       name: 'player2',\r\n       createdAt: 2019-08-29T05:56:11.217Z,\r\n       updatedAt: 2019-08-29T05:56:11.217Z,\r\n       team_players: [Object] } ] }\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u534f\u4f1a\u7684\u603b\u7ed3 \u5c5e\u4e8e \u5177\u6709\u4e00\u4e2a\u76f8\u5173\u6027\u3002 \u4f8b) Players.belongsTo(Teams) \u7403\u5458\u8868\u5c06\u81ea\u52a8\u6dfb\u52a0\u5916 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-31802","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>Node.js\u7684ORM\u6620\u5c04\u5668Sequelize\u7684\u5173\u8054 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/node-js\u7684orm\u6620\u5c04\u5668sequelize\u7684\u5173\u8054\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta 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