const { Sequelize,DataTypes }=require('sequelize');const sequelize=new Sequelize('database','username','password');constUser=sequelize.define('User',{ id: {type: DataTypes.INTEGER,primaryKey:true,autoIncrement:true,},username: {type: DataTypes.STRING,allowNull:false,},email: {type: DataTypes....
const sequelize = new Sequelize('database', 'username', 'password', { host: 'localhost', dialect: 'mysql', }); 这里需要将'database'、'username'和'password'分别替换为 MySQL 数据库的名称、用户名和密码。还可以根据需要设置其他连接选项,例如host和port。 定义模型: const User =sequelize.define('...
通常情况下，我们如果直接使用JDBC操作数据库，业务逻辑和数据存取逻辑是混在一起的。我们一般一个功能的...
('Only even values are allowed!') // we also are in the model's context here, so this.otherField // would get the value of otherField if it existed } } } } }); 注意当多个参数需要被传递到内嵌的认证函数时,多个参数应该被放在一个数组中....
Sequelize.DATEONLY // DATE 不带时间. Sequelize.BOOLEAN // TINYINT(1) 字段属性值 属性名类型默认值说明说明 type Any 无 是 数据类型 primaryKey Boolean false 否 主键 autoIncrement Boolean false 否 自增 allowNull Boolean false 否 是否允许为空 defaultValue Any 无 否 默认值 field String 字段名 ...
sequelize.define('modelName', { columnA: { type: Sequelize.BOOLEAN, validate: { is: ["[a-z]",'i'], // will only allow letters max: 23, // only allow values <= 23 isIn: { args: [['en', 'zh']], msg: "Must be English or Chinese" } }, field: 'column_a' // Other at...
{ host: 'localhost', dialect: 'mysql'|'sqlite'|'postgres'|'mssql', operatorsAliases: false, pool: { max: 5, min: 0, acquire: 30000, idle: 10000 }, // SQLite only storage: 'path/to/database.sqlite' }); // Or you can simply use a connection uri const sequelize = new Sequelize...
Sequelize 是一个基于promise的 Node.js ORM, 目前支持 Postgres, MySQL, MariaDB, SQLite 以及 Microsoft SQL Server. 它具有强大的事务支持, 关联关系, 预...
database: 'demo', // 数据库名 username: 'root', // 数据库用户名 password: 'root', // 数据库密码 define: { // model的全局配置 timestamps: true, // 添加create,update,delete时间戳 paranoid: true, // 添加软删除 freezeTableName: true, // 防止修改表名为复数 ...
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