Javascript 流星:从错误响应中获取数据?
我有这个流星代码:Javascript 流星:从错误响应中获取数据?,javascript,json,meteor,Javascript,Json,Meteor,我有这个流星代码: Meteor.methods({ 'addEmailToList': function(email){ var mailChimpCall = Meteor.wrapAsync(HTTP.call); try { var result = mailChimpCall( 'POST', 'https://us10.api.mailchimp.com/3.0/lists/yyy/members/', { auth: 'xxx',
Meteor.methods({
'addEmailToList': function(email){
var mailChimpCall = Meteor.wrapAsync(HTTP.call);
try {
var result = mailChimpCall( 'POST', 'https://us10.api.mailchimp.com/3.0/lists/yyy/members/', {
auth: 'xxx',
header: 'content-type: application/json',
data: {"email_address":email, "status":"subscribed"}
});
} catch(error){
console.log(error);
throw new Meteor.Error("Bad result: ", "It was an error when posting");
}
return result
}
});
导致这种反应的原因是:
{ [Error: failed [400] {"type":"http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/","title":"Member Exists","status":400,"detail":"jeff@jeff.com is already a list member. Use PUT to insert or update list members.","instance":""}] stack: [Getter] }
如何从js中对变量的响应中获取状态
(400)
var errorStatus = SOME CODE HERE
您需要找到如何从响应中获取适当的错误对象,该对象是:
{
"type": "http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/",
"title": "Member Exists",
"status": 400,
"detail": "jeff@jeff.com is already a list member. Use PUT to insert or update list members.",
"instance": ""
}
之后,您可以使用status
属性获取错误代码
或者,尽管不建议使用正则表达式,但您可以使用正则表达式解析得到的整个字符串,并在
[错误:失败[XXXX]
这是无效的JSON,但您可以使用正则表达式得到该数字:
var response='{[Error:failed[400]{“type”:http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/,“标题”:“成员存在”,“状态”:400,“详细信息”:jeff@jeff.com已是列表成员。请使用PUT插入或更新列表成员。“,“实例”:“}]堆栈:[Getter]}”;
警报(response.match(/\[([0-9]+)\]/)[1]);
您可以通过使用jquery或Javascript获得。首先您必须将响应转换为有效的JSON字符串。然后应用以下方法之一
使用Jquery
var jsonString = '{"type":"http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/","title":"Member Exists","status":400,"detail":"jeff@jeff.com is already a list member. Use PUT to insert or update list members.","instance":""}'
var jsonObject = $.parseJSON(jsonString);
var errorStatus = jsonObject ['status'];
使用javascript
var jsonString = '{"type":"http://developer.mailchimp.com/documentation/mailchimp/guides/error-glossary/","title":"Member Exists","status":400,"detail":"jeff@jeff.com is already a list member. Use PUT to insert or update list members.","instance":""}'
var jsonObject = JSON.parse(jsonString);
var errorStatus = jsonObject ['status'];
目前Meteor.wrapAsync中存在一个错误,因此要将错误消息发布出去有点困难。最好使用一种新方法来解决问题。此解决方案的所有成功都归功于github/Meteor forum user@FaceySpace
var Future = Npm.require( 'fibers/future' );
Meteor.makeAsync = function(fn, context) {
return function (/* arguments */) {
var self = context || this;
var newArgs = _.toArray(arguments);
var callback;
for (var i = newArgs.length - 1; i >= 0; --i) {
var arg = newArgs[i];
var type = typeof arg;
if (type !== "undefined") {
if (type === "function") {
callback = arg;
}
break;
}
}
if(!callback) {
var fut = new Future();
callback = function(error, data) {
fut.return({error: error, data: data});
};
++i;
}
newArgs[i] = Meteor.bindEnvironment(callback);
var result = fn.apply(self, newArgs);
return fut ? fut.wait() : result;
};
};
例如,将其放置在
server/lib/makeAsync.js
这样的位置,并像使用Meteor.wrapAsync一样使用它,但要注意的是,这会返回一个带有错误和数据键的对象,而不是抛出错误。因此,用if(response.error)替换现有的try/catch
获取错误,并且var statusCode=response.data.statusCode;
!这是无效的JSON。这是一个响应头。哦,对不起,我不知道。关于如何从该响应头中获取该状态,有什么想法吗?显示用于进行查询以调用控制台.log(JSON.stringify(error))的代码;
并检查结果。您无法解析invlid JSON。是的!谢谢!很好!