swa*_*ner 5 objective-c ios restkit
我有一个JSON结构
{
"objects":{
"person":[
{
"id":"1",
"name":"my name"
"contacts":{
"address":{
"id":"1",
"street":"mystreet",
"country":"mycountry"
},
"email":{
"id":"1",
"emailAddress":"hello@hello.com"
}
},
},
...
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我试图通过以下方式映射它:
[personMapping mapKeyPath:@"contacts.address" toRelationship:@"address" withMapping:addressMapping];
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只要联系人存在,这种方法就可以正常工作.但是如果没有地址/电子邮件,则不会发送此元素,这会导致例外RKMappingOperation#applyRelationshipMappings:value = [self.sourceObject valueForKeyPath:relationshipMapping.sourceKeyPath];
现在,我的解决方法是使用@try...@catch,但我希望有更好的解决方案...
非常感谢!
编辑:如果根本没有发送联系人,则会发生异常; 然后,JKDictionary看起来像这样(再次RKMappingOperation#applyRelationshipMappings):
{
contacts = "";
name = myName;
id = 1;
...
}
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