TypeError: Sequelize.define is not a function搭建了一个 koa的项目,使用Sequelize操作数据库;app.js里面引用const Sequelize = require('sequelize');const sqlconfig=require('./config');config文件是数据库的信息;然后在app.js里面创建一个sequelize对象实例:
define是定义在数据库实例上的,而并不是在sequelize模块上的。如:book.js // 引入Sequelize模块 const Sequelize = require("sequelize"); // 引入数据库实例 const seque = require("../utils/seque"); const ClassMode = require("./class"); // 定义model const Book = seque.define( "Book", { //...
define方法是在sequelize实例上才有的,不是在全局上的 const sequelizeInstance = new Sequelize(sqlconfig.database, sqlconfig.username, sqlconfig.password, { host: sqlconfig.host, dialect: 'mysql', pool: { max: 5, min: 0, idle: 30000 } }); var FeedBack = sequelizeInstance.define('feedBackI...
@文心快码typeerror: sequelize.query is not a function 文心快码 针对你遇到的错误“TypeError: sequelize.query is not a function”,以下是一些可能的解决步骤和考虑因素: 确认Sequelize 版本: Sequelize 的不同版本可能有所差异。确保你查看的文档与你项目中使用的 Sequelize 版本相匹配。可以通过运行 npm list ...
} exemple of the model created from S.auto: /* jshint indent: 2 */ module.exports = function(sequelize, DataTypes) { return sequelize.define('customer', { id_customer: { type: DataTypes.INTEGER(10).UNSIGNED, allowNull: false, primaryKey: true, autoIncrement: true }, id_gender: { typ...
sequelize是node操作mysql的一款npm包，包含很多特性：数据库模型映射、事务处理、模型属性校验、关联映射等...
{ username: Sequelize.STRING, email: Sequelize.STRING, password: Sequelize.STRING }); // 定义第二个模型 const Profile = sequelize.define('Profile', { fullName: Sequelize.STRING, bio: Sequelize.TEXT }); // 在User模型的afterCreate钩子中运行Profile模型的查询 User.afterCreate((user) => ...
define("user", { name: DataTypes.STRING, }); const Project = sequelize.define("project", { name: DataTypes.STRING, }); User.hasMany(Project); Project.belongsTo(User); await sequelize.sync({ force: true }); const result = await User.findOne({ include: [ { model: Project, attributes...
constUser=sequelize.define('User',{ username: {type: DataTypes.STRING,allowNull:false,},email: {type: DataTypes.STRING,allowNull:false,unique:true,validate: { isEmail:true,},},// 其他属性和选项}); 1. 2. 3. 4. 5. 6. 7. 8. ...
const User =sequelize.define('User', { username: { type: DataTypes.STRING, allowNull: false, }, email: { type: DataTypes.STRING, allowNull: false, unique: true, validate: { isEmail: true, }, }, // 其他属性和选项 }); 这里定义了一个名为User的模型,包含username和email属性。