sequelize.js - 类型错误 : defineCall is not a function at Sequelize. 导入

Question

将我的 User.js 模型定义为如下但低于异常

错误

PS C:\Users\meghshyam\Documents\express_node_mysql_handlebars> node server.js C:\Users\meghshyam\Documents\express_node_mysql_handlebars\node_modules\sequelize\lib\sequelize.js:691 this.importCache[path] = defineCall(this, DataTypes); ^

TypeError: defineCall is not a function at Sequelize.import (C:\Users\meghshyam\Documents\express_node_mysql_handlebars\node_modules\sequelize\lib\sequelize.js:691:30) at C:\Users\meghshyam\Documents\express_node_mysql_handlebars\models\index.js:23:36 at Array.forEach (native) at Object. (C:\Users\meghshyam\Documents\express_node_mysql_handlebars\models\index.js:22:4) at Module._compile (module.js:409:26) at Object.Module._extensions..js (module.js:416:10) at Module.load (module.js:343:32) at Function.Module._load (module.js:300:12) at Module.require (module.js:353:17) at require (internal/module.js:12:17) at Object. (C:\Users\meghshyam\Documents\express_node_mysql_handlebars\server.js:16:10) at Module._compile (module.js:409:26) at Object.Module._extensions..js (module.js:416:10) at Module.load (module.js:343:32) at Function.Module._load (module.js:300:12) at Function.Module.runMain (module.js:441:10)

 "use strict";

 module.exports = function(sequelize, DataTypes) {
 var User = sequelize.define("User", 
 {
 //timestamps: true,
 // id:DataTypes.INTEGER,
  username:{ 
  type:DataTypes.STRING,
  validate:{
    isEmail:true
  }
},
password: {
  type: DataTypes.STRING,
  validate:{
    len:[6,12],
    notNull:true,
    notEmpty:true
  }
},
 role:{
  type: DataTypes.INTEGER,
  validate:{
    notNull:true,
    notEmpty:true,
    isNumeric:true
  },
  }
 },

  {
 classMethods: {
 associate: function(models) {
  // Associating Author with Posts
  // When an Author is deleted, also delete any associated Posts
 // User.belongsTo(models.Student, {
 //   onDelete: "cascade"
 // });
//user has one teacher record
//   User.belongsTo(models.Teacher, {
//    onDelete: "cascade"
  });
  }
  }
  }
  );
return User;
 };

Answer 1

这通常是由于在 index.js 中导入了不是 Sequelize 模型的文件引起的。您的模型目录中是否有任何不是模型的内容？在我的情况下，这是因为它正在拉入我的测试文件以及位于同一目录中的模型。尝试在 index.js 中添加另一个检查，它会在其中构建文件列表以排除以 .test.js 结尾的任何内容(或任何等价物)。