Ios 我应该如何正确映射代码为200的错误响应?
我使用RESTKit0.20和iOS 7 我想从RESTAPI映射错误响应。它看起来是这样的:Ios 我应该如何正确映射代码为200的错误响应?,ios,restkit,restkit-0.20,Ios,Restkit,Restkit 0.20,我使用RESTKit0.20和iOS 7 我想从RESTAPI映射错误响应。它看起来是这样的: { "error": { "error_code": 5, "error_msg": "User authorization failed: invalid access_token.", "request_params": [ { "key": "oauth", "value": "1" }, {
{
"error": {
"error_code": 5,
"error_msg": "User authorization failed: invalid access_token.",
"request_params": [
{
"key": "oauth",
"value": "1"
},
{
"key": "method",
"value": "execute.MusicNews"
},
{
"key": "access_token",
"value": "e2276858338752ef3f6f974b0996e4a1755a5b17178781a6602be1e6c2aa0e23bfb89ec040c787d2dc753"
}
]
}
}
问题是API返回的错误代码为200
为该响应创建
RKObjectMapping
和RKResponseDescriptor
并在success
块中检查响应类不是问题,而是如何通知RESTKit从“error”开始的响应即使状态代码为200
且调用失败
块?我的解决方案是一个小问题,关键路径也应视为错误:
我创建了一个子类,如:
@interface NutHTTPRequestOperation : RKHTTPRequestOperation
@end
@implementation NutHTTPRequestOperation
- (NSError *)error
{
NSError * error = nil;
//It seems only call to responseJSON could make AFJSONRequestOperation process error
id object = [self.responseString objectFromJSONString];
if ([object isKindOfClass:[NSDictionary class]]) {
NSNumber * ret = [object objectForKey:@"ret"];
if (!ret || 0 != ret.integerValue) {
NSString * desc = [object objectForKey:@"error"];
error = [NSError errorWithDomain:kNutResponseErrorDomain code:ret.integerValue userInfo:@{NSLocalizedDescriptionKey: desc}];
}
}
if(!error){
//Get super error , if none, proceed self error
NSError * error = [super error];
if (error) {
return error;
}
error = [NSError errorWithDomain:kNutResponseErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey: @"not json dictionary"}];
}
return error;
}
你为什么要把它归类为失败?除非您想将错误响应映射到
NSError
实例。只需在成功块中处理结果。