我有两个文件夹下的'服务'文件夹。他们正在单独调用该服务。现在我想扩展一个模型,包括相关的模型,这给了一个错误'信息:TypeError:无法读取属性未定义的'模型'feathersjs/sequelizejs - > MODEL没有关联模型
数据库存在,sql服务器,以及关系也存在。
文件服务\麦克风\活动\ index.js
'use strict';
const service = require('feathers-sequelize');
const activity = require('./activity-model');
const hooks = require('./hooks/index');
module.exports = function() {
const app = this;
const options = {
Model: activity(app.get('mic_sequelize'))
};
app.use('/mic/activity', service(options));
const activityService = app.service('/mic/activity');
activityService.before(hooks.before);
activityService.after(hooks.after);
};
文件服务\麦克风\活动\活动的model.js
'use strict';
const Sequelize = require('sequelize');
module.exports = function (sequelize) {
const activity = sequelize.define('activity', {
activity_pk: {
type: Sequelize.INTEGER,
primaryKey: true,
autoIncrement: true,
allowNull: false,
unique: true
},
activity_plan_pk: {
type: Sequelize.INTEGER,
allowNull: false,
unique: false
},
change_order_pk: {
type: Sequelize.INTEGER,
allowNull: true,
unique: false
},
description: {
type: Sequelize.STRING(255),
allowNull: false,
unique: false
},
id: {
type: Sequelize.STRING(255),
allowNull: false,
unique: true
}
}, {
freezeTableName: true,
paranoid: false,
timestamps : false,
underscored : false,
tableName: 'Activity',
classMethods: {
associate() {
activity.belongsTo(sequelize.models.activity_plan, {
allowNull: true,
as: 'activity_plan'
});
activity.belongsTo(sequelize.models.change_order, {
allowNull: false,
as: 'change_order'
});
}
}
});
return activity;
};
文件服务\麦克风\活动\吊钩\指标.js文件
'use strict';
const globalHooks = require('../../../../hooks');
const hooks = require('feathers-hooks');
const auth = require('feathers-authentication').hooks;
exports.before = {
all: [],
find: [
getRelatedInfo()
],
get: [
getRelatedInfo()
],
create: [],
update: [],
patch: [],
remove: []
};
exports.after = {
all: [],
find: [],
get: [],
create: [],
update: [],
patch: [],
remove: []
};
function getRelatedInfo() {
return function (hook) {
hook.params.sequelize = {
attributes: [
'activity_pk',
'activity_plan_pk',
'change_order_pk',
['description', 'activity_description'],
['id', 'activity_id']
],
include: [
{
model: hook.app.services.activity_plan.Model,
as: 'activity_plan',
required: false,
attributes: [
['description', 'activity_plan_description'],
['id', 'activity_plan_id']
]
}
]
}
};
return Promise.resolve(hook);
}
文件服务\麦克风\ activity_plan \ index.js
个'use strict';
const service = require('feathers-sequelize');
const activity_plan = require('./activity_plan-model');
const hooks = require('./hooks/index');
module.exports = function() {
const app = this;
const options = {
Model: activity_plan(app.get('mic_sequelize'))
};
app.use('/mic/activity_plan', service(options));
const activityplanService = app.service('/mic/activity_plan');
activityplanService.before(hooks.before);
activityplanService.after(hooks.after);
};
文件服务\麦克风\ activity_plan \ activity_plan-model.js
'use strict';
const Sequelize = require('sequelize');
module.exports = function (sequelize) {
const activity_plan = sequelize.define('activity_plan', {
activity_plan_pk: {
type: Sequelize.INTEGER,
primaryKey: true,
autoIncrement: true,
allowNull: false,
unique: true
},
description: {
type: Sequelize.STRING(255),
allowNull: false,
unique: false
},
id: {
type: Sequelize.STRING(255),
allowNull: false,
unique: true
}
}, {
freezeTableName: true,
paranoid: false,
timestamps : false,
underscored : false,
tableName: 'Activity_Plan',
classMethods: {
associate() {
activity_plan.hasMany(sequelize.models.activity, {
as: 'activity_plan',
foreignKey: 'activity_plan_pk',
targetKey: 'activity_plan_pk'
});
}
}
});
return activity_plan;
};
文件服务\麦克风\ activity_plan \吊钩\ index.js
'use strict';
const globalHooks = require('../../../../hooks');
const hooks = require('feathers-hooks');
const auth = require('feathers-authentication').hooks;
exports.before = {
all: [],
find: [],
get: [],
create: [],
update: [],
patch: [],
remove: []
};
exports.after = {
all: [],
find: [],
get: [],
create: [],
update: [],
patch: [],
remove: []
};
问题
我认为我有一个配置错误的地方。我使用了一个我自己的工作示例应用程序,其中服务没有子文件夹,并且关系采用相同的方式。这是行得通的。任何想法的问题是什么?
解决
好。所以我将activity和activity_Plan移回到服务的根目录,而不改变除文件位置之外的任何内容。同样的错误。我改变了服务的路径(删除了'/ mic'),现在我得到的'activity_plan'与'activity'没有关联。
好吧,现在我恢复了我的测试,并有这条线model: hook.app.service('/mic/activity_plan').Model
。然后我想到了一些事情。我有自定义主键,所以我需要做一些在hasMany,belongsTo部分调查
因此,现在我做了第二个数据库,通过sequelize(表)strangly,完全相同的问题。
如果我看这条线at Model.validateIncludedElement (D:\Workspace\Projects\01. Live Customers\Mexon Technology\Projects - Mexon\MexonInControl\MultiFunctionalPortal\backend\node_modules\sequelize\lib\model.js:558:11)
,然后在它指向的代码中,这可能是我的模型命名与我的代码中的行model: hook.app.service('/mfp/sys_metadata').Model
组合在一起的问题。