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定义模型时,我有一个续集DataTypes.INTEGER问题。我在电子书中以“使用Node.js构建API”为例。我是一个试图抓住快递和续集的新手。任何帮助非常感谢。谢谢。sequelize DataTypes TypeError:无法读取未定义的属性'INTEGER'
错误的详细信息:
> /home/xxx/workspace/ntask-api/models/tasks.js:9
> type: DataTypes.INTEGER,
> ^TypeError: Cannot read property 'INTEGER' of undefined
> at Function.module.exports (/home/xxx/workspace/ntask-api/models/tasks.js:9:21)
> at Consign.into (/home/xxx/workspace/ntask-api/node_modules/consign/lib/consign.js:239:17)
> at Object.<anonymous> (/home/xxx/workspace/ntask-api/index.js:13:5)
> at Module._compile (module.js:456:26)
> at Object.Module._extensions..js (module.js:474:10)
> at Module.load (module.js:356:32)
> at Function.Module._load (module.js:312:12)
> at Function.Module.runMain (module.js:497:10)
> at startup (node.js:119:16)
> at node.js:902:3
下面的代码样本中
/models/tasks.js
:
> module.exports = function(sequelize, DataTypes){
> //console.log(DataTypes.INTEGER);
> const Tasks = sequelize.define("Tasks", { id: {
> type: DataTypes.INTEGER,
> primaryKey: true,
> autoIncrement: true }, title: {
> type: DataTypes.STRING,
> allowNull: false,
> validate: { notEmpty: true
> } }, done: {
> type: DataTypes.BOOLEAN,
> allowNull: false,
> defaultValue: false }
> },
> { classMethods:{
> associate: function(models){ Tasks.belongsTo(models.Users, {
> onDelete: "CASCADE",
> foreignKey: { allowNull: false
> } });
> } }
> });
> return Tasks; };
我也加入这模型/任务上试图从TypeError: object is not a function when defining models in NodeJs using Sequelize建议.js文件,但同样的错误。
var DataTypes = require('sequelize/lib/data-types');
感谢@hiEven,会尝试一下。 – luhfluh
它像一个魅力工作! ...只是坚持1,但会在稍后尝试2。再次感谢。 – luhfluh