我正试图从url中获取产品的标识符(例如/product/<productId>
),从mongodb中获取product对象,并使该对象在我的应用程序的$scope
中可访问。从url中抓取productId对$routeParams
来说很好,但我很难将对象从mongodb中获取到作用域中
我的猜测是,我需要在服务器端的products-controller.js
中添加代码,但我如何从服务器端的$scope中调用productId
我知道查询应该是什么样子(例如db.products.find({_id : ObjectId("5422c8b2d4cc50e99f007f73")})
)
server.js
app.get('/api/products', productsController.list);
app.js
var app = angular.module('productApp', ['ngResource', 'ngRoute']);
app.config(['$routeProvider', '$locationProvider', function($routeProvider, $locationProvider) {
$routeProvider
.when('/', {
templateUrl: '/views/productsoverview.html',
controller: 'productsController'
})
.when('/product/:productId', {
templateUrl: '/views/productFocus.html',
controller: 'productFocusController'
})
.otherwise({
redirectTo: '/'
});
$locationProvider.html5Mode(true)
}]);
app.controller('productsController', ['$scope', '$resource',
function($scope, $resource) {
var Product = $resource('/api/products');
$scope.products = [];
Product.query(function (results) {
$scope.products = results;
});
}]);
app.controller('productFocusController', ['$routeParams', '$scope', '$resource',
function($routeParams, $scope, $resource) {
if($routeParams.productId) {
$scope.productId = $routeParams.productId
}
}]);
产品controller.js(服务器)
var Product = require('../models/product');
module.exports.list = function (req, res) {
Product.find({}, function (err, results) {
res.json(results);
});
}
如何从服务器端的$scope调用productId?将$scope.productId作为参数传递,并将其包含在类似的url中
你在服务器端的路线可能类似
/api/products/:productId
然后将您从客户端url获得的参数传递给您的资源:
pp.controller('productsController', ['$scope', '$resource', '$routeParams',
function($scope, $resource,$routeParams) {
var ProductEndpoint = $resource('/api/products/:productId',{productId:'@productId'});
var product = new ProductEndPoint();
product.productId = $routeParams.productId;
$scope.products = [];
Product.query(function (results) {
$scope.products = results;
});
}]);
在服务器端:
var Product = require('../models/product');
module.exports.list = function (req, res) {
Product.find({_id:req.params.productId}, function (err, results) {
res.json(results);
});
}