objective-c - RestKit:JSON映射不起作用

如果我有这样的JSON响应，映射应如何：

{
"persons":{
  "@size":"4",
  "person":[
     {
        "name":"John",
        "type":"Doe 1",
        "options":"some options"
     },
     {
        "name":"John",
        "type":"Doe 2",
        "options":"some other options"
     },
     {
        "name":"John",
        "type":"Doe 3",
     },
     {
        "name":"John",
        "type":"Doe 4",
     }
  ]
 }
 }

我已经尝试了以下映射，但是不起作用：

RKManagedObjectMapping* personMapping = [RKManagedObjectMapping mappingForClass:[CDCustomFieldDefinition class]];
[personMapping mapKeyPath:@"label" toAttribute:@"label"];
[personMapping mapKeyPath:@"type" toAttribute:@"type"];
[personMapping mapKeyPath:@"options" toAttribute:@"options"];
personMapping.primaryKeyAttribute = @"label";

[[RKObjectManager sharedManager].mappingProvider setMapping:personMapping forKeyPath:@"persons"];

我在didLoadObjects:中的对象数组始终为空...有什么想法吗？非常感谢！

最佳答案

关键路径应该是

@"persons.person"