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[英]angular.js:12520 TypeError: Cannot read property 'post' of undefined
[英]Angular.js $http.post TypeError: Cannot read property 'data' of undefined
Angular.js v1.0.6
制作$ http.post並收到非200 resposne(在這種情況下為401)
$http.post('http://localhost:3030/auth/login', {
username: 'username',
password: 'password'
})
.success(function(data) {
// Gets called on a 200 response, but not on a 401
console.log('success');
})
.error(function(err) {
// Never gets called & dies with error described below.
console.log('error');
});
Angular會拋出以下錯誤:
TypeError: Cannot read property 'data' of undefined
at http://localhost:9000/components/angular/angular.js:8891:22
at wrappedCallback (http://localhost:9000/components/angular/angular.js:6797:59)
at http://localhost:9000/components/angular/angular.js:6834:26
at Object.Scope.$eval (http://localhost:9000/components/angular/angular.js:8011:28)
at Object.Scope.$digest (http://localhost:9000/components/angular/angular.js:7876:25)
at Object.Scope.$apply (http://localhost:9000/components/angular/angular.js:8097:24)
at done (http://localhost:9000/components/angular/angular.js:9111:20)
at completeRequest (http://localhost:9000/components/angular/angular.js:9274:7)
at XMLHttpRequest.xhr.onreadystatechange (http://localhost:9000/components/angular/angular.js:9244:11)
永遠不會調用.success()
回調或.error()
使得無法處理響應。
難道我做錯了什么? 成功回調在提供合法憑證時按預期調用。
200響應:
Access-Control-Allow-Headers:Content-Type, Authorization, Content-Length, X-Requested-With, Auth-Token
Access-Control-Allow-Methods:GET,PUT,POST,DELETE,OPTIONS
Access-Control-Allow-Origin:*
Connection:keep-alive
Content-Length:99
Content-Type:application/json
Date:Thu, 16 May 2013 13:57:51 GMT
{
"auth-token":"676932cc1e183a64334345944ad432d1908f8110bc",
"user": {
"id":1,
"username":"username"
}
}
401響應:
Access-Control-Allow-Headers:Content-Type, Authorization, Content-Length, X-Requested-With, Auth-Token
Access-Control-Allow-Methods:GET,PUT,POST,DELETE,OPTIONS
Access-Control-Allow-Origin:*
Connection:keep-alive
Content-Length:45
Content-Type:application/json
Date:Thu, 16 May 2013 13:58:25 GMT
{
"error": [
{
"message":"Invalid Credentials"
}
]
}
此外,如果我采用普通的promise語法來支持.success()快捷方式,我會得到一些有趣的行為:
$http.post('http://localhost:3030/auth/login', {
username: username,
password: password
}).then(function (resp) {
// On a 200 response, resp is a response object.
// On a 401 response, resp is undefined.
console.log(resp);
}, function() {
console.log('error');
});
終於到了底。 問題是由於以下全局HTTP攔截器實現:
'use strict';
// register the interceptor as a service
angular.module('imvgm')
.factory('httpInterceptor', ['$q', '$rootScope', function($q, $rootScope) {
function success(response) {
return response;
}
function error(response) {
var status = response.status;
if (status === 401) {
$rootScope.$broadcast('event:loginRequired');
return
}
// otherwise
return $q.reject(response);
}
return function(promise) {
return promise.then(success, error);
};
}]);
NB
if (status === 401) {
$rootScope.$broadcast('event:loginRequired');
return // Returns nothing
}
固定:
if (status === 401) {
$rootScope.$broadcast('event:loginRequired');
}
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