Javascript 修改ngResource结果时遇到问题
我的代码中包含以下内容:Javascript 修改ngResource结果时遇到问题,javascript,json,angularjs,ngresource,angularjs-ng-resource,Javascript,Json,Angularjs,Ngresource,Angularjs Ng Resource,我的代码中包含以下内容: function store() { this.products = [ new product("sku001", "Apple", "Tasty stuff", 1.00, "local"), ... ]; 这在展示所有产品时效果良好: <h3>Products</h3> <b>Display products: {{store.products}}</b> <
function store() {
this.products = [
new product("sku001", "Apple", "Tasty stuff", 1.00, "local"),
...
];
这在展示所有产品时效果良好:
<h3>Products</h3>
<b>Display products: {{store.products}}</b>
<div class="row">
<div ng-repeat="product in store.products">
<img ng-src="@Url.Content("~/Content/images/products/{{product.sku}}.png")" alt="{{product.name}}"><p></p>
<p>{{product.description}}</p>
</div>
这似乎也可以正常工作,但值的格式略有不同(大写/不同的键名):
我想使用从API收到的数据创建一个与当前格式匹配的对象数组,但我遇到了一些问题:
function store($resource) {
var Resource = $resource('/api/products/');
this.products = Resource.query(function (data) {
var product = {};
var productsList = []
for (i = 0; i < data.length; i++) {
product = {
sku: data[i].SKU,
name: data[i].Name,
description: data[i].Description,
price: data[i].Price,
category: data[i].ProductType
}
productsList.push(product);
}
return productsList;
});
app.js
var storeApp = angular.module('AngularStore', ['ngRoute', 'ngResource']).
//route stuff
}]);
storeApp.factory("DataService", function ($resource) {
var myStore = new store($resource);
var myCart = new shoppingCart("AngularStore");
// return data object with store and cart
return {
store: myStore,
cart: myCart
};
});
函数存储($resource){
var Resource=$Resource('/api/products/');
资源查询(函数(数据){
var乘积={};
var productsList=[]
对于(i=0;i
使用this.products=Resource.query(函数(数据){…}
时,this.products
接收Resource.query()
的返回值,而不是回调函数的返回值
编辑
使用
$scope
,而不是此
从Angular 1.2开始,资源支持承诺。但它们没有改变其余行为
要利用$resource的承诺,需要对返回的值使用$promise属性
function store($resource) {
var Resource = $resource('/api/products/');
Resource.query().$promise.then(
//success callback
function (data) {
var product = {};
var productsList = []
for (i = 0; i < data.length; i++) {
product = {
sku: data[i].SKU,
name: data[i].Name,
description: data[i].Description,
price: data[i].Price,
category: data[i].ProductType
}
productsList.push(product);
}
this.products = productsList;
},
//error call back
function(){
});
}
函数存储($resource){
var Resource=$Resource('/api/products/');
Resource.query().$promise.then(
//成功回调
功能(数据){
var乘积={};
var productsList=[]
对于(i=0;i
谢谢嘿,我尝试了一下,但似乎
this.products
变量从未得到任何值。结果看起来像this
在回调中意味着另一件事,这就是为什么我避免使用this
。改用$scope.products。您好-我尝试了一下,得到了一个奇怪的结果,您可以看到变量显示为{}
,ngRepeat
似乎认为有3项..知道可能发生了什么吗?你调试过吗?@Tomcelic你能把console.log(数据)放在success回调中吗?我把console.log(数据)
放在回调的开始处,得到了这个:[{“SKU”:“sku001”,“Name”:“Apple”,“ProductType”:“local”,“Description”:“Tasty stuff”,“Allowment”:1073741824,“Price”:1}]
。我还将控制台.log(productsList);
放在最后,得到:[{“sku”:“sku001”,“name”:“Apple”,“Description”:“Tasty stuff”,“Price”:1,“category”:“local”}]
谢谢您的帮助。@Tomcelic为什么您的控制器中没有使用$scope?
function storeController($scope, $routeParams, DataService) {
// get store and cart from service
$scope.store = DataService.store;
$scope.cart = DataService.cart;
}
var storeApp = angular.module('AngularStore', ['ngRoute', 'ngResource']).
//route stuff
}]);
storeApp.factory("DataService", function ($resource) {
var myStore = new store($resource);
var myCart = new shoppingCart("AngularStore");
// return data object with store and cart
return {
store: myStore,
cart: myCart
};
});
function store($resource) {
var Resource = $resource('/api/products/');
Resource.query(function (data) {
var product = {};
var productsList = []
for (i = 0; i < data.length; i++) {
product = {
sku: data[i].SKU,
name: data[i].Name,
description: data[i].Description,
price: data[i].Price,
category: data[i].ProductType
}
productsList.push(product);
}
$scope.products = productsList;
});
}
function store($resource) {
var Resource = $resource('/api/products/');
Resource.query().$promise.then(
//success callback
function (data) {
var product = {};
var productsList = []
for (i = 0; i < data.length; i++) {
product = {
sku: data[i].SKU,
name: data[i].Name,
description: data[i].Description,
price: data[i].Price,
category: data[i].ProductType
}
productsList.push(product);
}
this.products = productsList;
},
//error call back
function(){
});
}