我尝试了不同的方法来访问catch块中的头文件,但无法实现该功能。
首先尝试:
function removePaymentAccount(currenAccountDetails) {
var q = $q.defer();
$http({
url: UtilityService.createUrl(serverUrl, 'payment', 'removeMethod'),
method: 'POST',
data: currenAccountDetails
}).then(function(response) {
q.resolve(response);
})
.catch(function(err, status, headers) {
console.log(headers);
q.reject(err);
});
return q.promise;
}
控制台:
undefined
第二次尝试:
function removePaymentAccount(currenAccountDetails) {
var q = $q.defer();
$http({
url: UtilityService.createUrl(serverUrl, 'payment', 'removeMethod'),
method: 'POST',
data: currenAccountDetails
}).then(function(response) {
q.resolve(response);
})
.catch(function(err) {
console.log(err.headers('status-msg-header'));
q.reject(err);
});
return q.promise;
}
控制台::
TypeError: err.headers is not a function
at payment.api.js:72
at processQueue (angular.js:14569)
at angular.js:14585
at Scope.parent.$get.Scope.$eval (angular.js:15848)
at Scope.parent.$get.Scope.$digest (angular.js:15659)
at Scope.parent.$get.Scope.$apply (angular.js:15953)
at angular.js:16248
at completeOutstandingRequest (angular.js:5396)
at angular.js:5668
第三次尝试:
function removePaymentAccount(currenAccountDetails) {
var q = $q.defer();
$http({
url: UtilityService.createUrl(serverUrl, 'payment', 'removeMethod'),
method: 'POST',
data: currenAccountDetails
}).then(function(response) {
q.resolve(response);
})
.catch(function(err, status, headers) {
console.log(headers('status-msg-header'));
q.reject(err);
});
return q.promise;
}
控制台::
same as of second
第四次尝试:
function removePaymentAccount(currenAccountDetails) {
var q = $q.defer();
$http({
url: UtilityService.createUrl(serverUrl, 'payment', 'removeMethod'),
method: 'POST',
data: currenAccountDetails
}).then(function(response) {
q.resolve(response);
}, function(response) {
console.log(response.headers);
q.reject(response);
});
return q.promise;
}
控制台::
undefined
第五次尝试:
function removePaymentAccount(currenAccountDetails) {
var q = $q.defer();
$http({
url: UtilityService.createUrl(serverUrl, 'payment', 'removeMethod'),
method: 'POST',
data: currenAccountDetails
}).then(function(response) {
q.resolve(response);
}, function(response, status, headers) {
console.log(headers);
q.reject(response);
});
return q.promise;
}
控制台:
undefined
我做很多变化,但无法访问(不张贴整个列表)。任何人都可以请帮我知道我错过了什么。
你试过'finally'而不是'catch'吗? – pherris
不确定.catch承诺回调获取与您可以提供给'.then'的错误回调相同的参数。尝试使用错误回调代替.catch承诺(即'.then(function(){success stuff},function(response){error stuff here)'),检查[$ http](https:// docs.angularjs.org/api/ng/service/$http)doc的实际使用语法 –
让我试试看。 –