Javascript 余烬,拥有许多和不属于它的东西';行不通
我尝试了一个简单的应用程序来显示一些用户数据 我的API向我返回以下json:Javascript 余烬,拥有许多和不属于它的东西';行不通,javascript,ruby-on-rails,ember.js,ember-data,Javascript,Ruby On Rails,Ember.js,Ember Data,我尝试了一个简单的应用程序来显示一些用户数据 我的API向我返回以下json: { "roles":[ { "id":5, "name":"admin", "alias":"Administrator", "users":[ { "id":1, "username":"Evolutio", "e
{
"roles":[
{
"id":5,
"name":"admin",
"alias":"Administrator",
"users":[
{
"id":1,
"username":"Evolutio",
"email":"mail@evolutio.tld",
"display_role":"Administrator"
}
]
},
{
"id":2,
"name":"user",
"alias":"Benutzer",
"users":[
]
},
{
"id":1,
"name":"banned",
"alias":"Gesperrt",
"users":[
]
},
{
"id":3,
"name":"mod",
"alias":"Moderator",
"users":[
]
},
{
"id":4,
"name":"support",
"alias":"Supporter",
"users":[
]
}
]
}
我的用户/model.js:
import DS from 'ember-data';
export default DS.Model.extend({
username: DS.attr('string'),
email: DS.attr('string'),
display_role: DS.attr('string'),
roles: DS.belongsTo('role'),
});
还有我的角色/model.js
import DS from 'ember-data';
export default DS.Model.extend({
name: DS.attr('string'),
alias: DS.attr('string'),
users: DS.hasMany('user'),
});
通过此设置,我在开发人员控制台中遇到以下错误:
Error while processing route: team.index Assertion Failed: Passing classes to store methods has been removed. Please pass a dasherized string instead of undefined EmberError@
我没有弄错。也许有人能帮我 您需要侧向加载数据,并使API返回如下数据:
{
"users": [{
"id": 1,
"username": "Evolutio",
"email": "mail@evolutio.tld",
"display_role": "Administrator",
"roles": [5]
}],
"roles": [{
"id": 5,
"name": "admin",
"alias": "Administrator",
"users": [1]
}, {
"id": 2,
"name": "user",
"alias": "Benutzer",
"users": []
}, {
"id": 1,
"name": "banned",
"alias": "Gesperrt",
"users": []
}, {
"id": 3,
"name": "mod",
"alias": "Moderator",
"users": []
}, {
"id": 4,
"name": "support",
"alias": "Supporter",
"users": []
}]
}
//user/model.js:
import DS from 'ember-data';
export default DS.Model.extend({
username: DS.attr('string'),
email: DS.attr('string'),
//display_role: DS.attr('string'),//you don't need this, since user can have multiple roles and also you can access it from the user model itself by doing model.roles.forEach((role)=>{ role.alias or role.name})
roles: DS.belongsTo('role')
});
//role/model.js
import DS from 'ember-data';
export default DS.Model.extend({
name: DS.attr('string'),
alias: DS.attr('string')
});
如果必须像以前那样嵌入数据,可能需要查看EmbeddedRecordsMixin[
但我想提出几点建议:
1) 遵循json-api(),因为ember数据遵循它并支持它(我认为从1.13.0版开始)
2) 我不知道你的需求,但理想情况下,用户模型与角色有很多关系。所以我会做一些不同的事情,比如:
{
"users": [{
"id": 1,
"username": "Evolutio",
"email": "mail@evolutio.tld",
"display_role": "Administrator",
"roles": [5]
}],
"roles": [{
"id": 5,
"name": "admin",
"alias": "Administrator",
"users": [1]
}, {
"id": 2,
"name": "user",
"alias": "Benutzer",
"users": []
}, {
"id": 1,
"name": "banned",
"alias": "Gesperrt",
"users": []
}, {
"id": 3,
"name": "mod",
"alias": "Moderator",
"users": []
}, {
"id": 4,
"name": "support",
"alias": "Supporter",
"users": []
}]
}
//user/model.js:
import DS from 'ember-data';
export default DS.Model.extend({
username: DS.attr('string'),
email: DS.attr('string'),
//display_role: DS.attr('string'),//you don't need this, since user can have multiple roles and also you can access it from the user model itself by doing model.roles.forEach((role)=>{ role.alias or role.name})
roles: DS.belongsTo('role')
});
//role/model.js
import DS from 'ember-data';
export default DS.Model.extend({
name: DS.attr('string'),
alias: DS.attr('string')
});
因为一般来说,角色比用户少,而且您不想加载所有数据(角色和用户)在一次请求电话中。谢谢你的回答,但这不是我想要做的。我试图制作一个团队页面,我们这里的用户列在那里的用户组中。他的回答完全正确,你能试着概括一下,它如何不能解决你原来的问题吗?