Mis*_*ery 229
有些情况下,与后端通信时$资源可能不合适.这显示了如何在不使用资源的情况下设置$ resource之类的行为.
angular.module('myApp').factory('Book', function($http) {
// Book is a class which we can use for retrieving and
// updating data on the server
var Book = function(data) {
angular.extend(this, data);
}
// a static method to retrieve Book by ID
Book.get = function(id) {
return $http.get('/Book/' + id).then(function(response) {
return new Book(response.data);
});
};
// an instance method to create a new Book
Book.prototype.create = function() {
var book = this;
return $http.post('/Book/', book).then(function(response) {
book.id = response.data.id;
return book;
});
}
return Book;
});
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然后在你的控制器内你可以:
var AppController = function(Book) {
// to create a Book
var book = new Book();
book.name = 'AngularJS in nutshell';
book.create();
// to retrieve a book
var bookPromise = Book.get(123);
bookPromise.then(function(b) {
book = b;
});
};
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tha*_*ote 26
我建议你使用$ resource.
它可能在下一版本的Angularjs中支持(url覆盖).然后你就可以像这样编码:
// need to register as a serviceName
$resource('/user/:userId', {userId:'@id'}, {
'customActionName': {
url:'/user/someURI'
method:'GET',
params: {
param1: '....',
param2: '....',
}
},
....
});
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返回回调可以像这样在ctrl范围内处理.
// ctrl scope
serviceName.customActionName ({
paramName:'param',
...
},
function (resp) {
//handle return callback
},
function (error) {
//handler error callback
});
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可能你可以处理更高抽象级别的代码.
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