我是 Meteor 的新手,我想在我的用户集合中使用嵌入文档。我正在使用由 collection2 包添加的简单模式。但是,当我定义嵌入文档时,就像我在 Node.js 项目之一中简单定义的那样,该文档运行成功,没有任何错误,但当我在 User 集合内的 Meteor 项目中定义相同的文档时,它会抛出一个 错误,即
/home/parveen/.meteor/packages/meteor-tool/.1.3.2_4.10vjklo++os.linux.x86_64+web.browser+web.cordova/mt-os.linux.x86_64/dev_bundle/server-lib/node_modules/fibers/future.js:267
W20160604-23:22:34.819(5.5)? (STDERR) throw(ex);
W20160604-23:22:34.819(5.5)? (STDERR) ^
W20160604-23:22:34.941(5.5)? (STDERR) Error: Invalid definition for location field.
W20160604-23:22:34.941(5.5)? (STDERR) at packages/aldeed_simple-schema/simple-schema.js:457:1
W20160604-23:22:34.941(5.5)? (STDERR) at Function._.each._.forEach (packages/underscore/underscore.js:113:1)
W20160604-23:22:34.941(5.5)? (STDERR) at [object Object].SimpleSchema (packages/aldeed_simple-schema/simple-schema.js:454:1)
W20160604-23:22:34.941(5.5)? (STDERR) at meteorInstall.collections.Users.js (collections/Users.js:11:14)
W20160604-23:22:34.942(5.5)? (STDERR) at fileEvaluate (packages/modules-runtime/.npm/package/node_modules/install/install.js:141:1)
W20160604-23:22:34.942(5.5)? (STDERR) at require (packages/modules-runtime/.npm/package/node_modules/install/install.js:75:1)
W20160604-23:22:34.942(5.5)? (STDERR) at /home/parveen/differentialImaging/.meteor/local/build/programs/server/app/app.js:957:1
W20160604-23:22:34.942(5.5)? (STDERR) at /home/parveen/differentialImaging/.meteor/local/build/programs/server/boot.js:283:10
W20160604-23:22:34.942(5.5)? (STDERR) at Array.forEach (native)
W20160604-23:22:34.942(5.5)? (STDERR) at Function._.each._.forEach (/home/parveen/.meteor/packages/meteor-tool/.1.3.2_4.10vjklo++os.linux.x86_64+web.browser+web.cordova/mt-os.linux.x86_64/dev_bundle/server-lib/node_modules/underscore/underscore.js:79:11)
=> Exited with code: 8
=> Your application is crashing. Waiting for file change.
我的架构如下:-
UserSchema = new SimpleSchema({
name:{
type: String,
trim: true,
optional: true
},
email:{
type:String,
trim: true,
optional: true
},
password:{
type:String,
trim: true,
optional: true
},
location: {
latitude: {
type: Number,
default: 0,
required: false
},
longitude: {
type: Number,
default: 0,
required: false
},
state: {
type: String,
default: '',
requried: false,
trim: true
},
city: {
type: String,
default: '',
requried: false,
trim: true
}
},
createdAt:{
type:Date,
label:"Created At",
autoValue:function(){
return new Date();
}
}
});
Users.attachSchema(UserSchema);
正如您所看到的,我正在使用嵌入文档的位置字段给出了错误。
请告诉我如何在 Meteor 中实现相同的目标,否则我在这里做错了什么。除了简单模式之外,我是否需要使用任何其他模式,或者我们也可以通过简单模式实现相同的目的。
任何帮助建议将不胜感激 谢谢
最佳答案
要定义嵌入式验证规则,您需要创建一个新的架构对象,并将其作为字段传递(简单架构不会查看您的对象结构):
LocationSchema = new SimpleSchema({
latitude: {
type: Number,
default: 0,
required: false
},
longitude: {
type: Number,
default: 0,
required: false
},
state: {
type: String,
default: '',
requried: false,
trim: true
},
city: {
type: String,
default: '',
requried: false,
trim: true
}
});
UserSchema = new SimpleSchema({
//... other fields
location: LocationSchema,
//...
});
然后在您的代码中,您可以:
Users.insert({
//...
location: {latitude: 4.12, longitude: 6.18, state:"Colorado", city "Whatever"}
//...
});
您可以在 the collection2 documentation 中看到另一个示例.
关于javascript - 如何在 Meteor 中使用嵌入文档,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37633584/