如何在Ember数据模型的Ember.js中创建一个承诺 [英] How do I create a promise in Ember.js for an Ember-data model
本文介绍了如何在Ember数据模型的Ember.js中创建一个承诺的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
App.Member.find(1 ).then(function(member){
//在此处执行一些处理
return member; //这是否需要作为承诺包装?
解决方案
基本上你可以创建一个这样的承诺: / p>
var promise = new Ember.RSVP.Promise(function(resolve,reject){
// succeed
resolve(value);
//或拒绝
拒绝(错误);
});
然后您可以使用然后
属性进一步链接:
promise.then(function(value){
// success
},function(value){
// failure
});
你可以看看这个 jsbin ,显示如何实现它们,而这个也很有帮助。
希望它有帮助。
I have an Ember-Data model. I would like to do some processing in the .then promise once it has loaded and then return the same model as a promise. This is what I have right now. How do I wrap up the return object as a promise so that other promises can be chained?
App.Member.find(1).then(function(member){
//do some processing here
return member; // Does this need to be wrapped as a promise?
}
解决方案
Basically you can create a promise like this:
var promise = new Ember.RSVP.Promise(function(resolve, reject){
// succeed
resolve(value);
// or reject
reject(error);
});
and then you can use the then
property to chain it further:
promise.then(function(value) {
// success
}, function(value) {
// failure
});
You can aslo have a look at this jsbin which shows how they could be implemented. And this is also very helpful.
Hope it helps.
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