将Objective-C自定义对象序列化为OSX的JSON? [英] serialize objective-c custom object to JSON for OSX?

问题描述

我对Mac开发非常陌生，在寻找优质资源方面遇到了一些麻烦.我当前的问题是自定义的Objective-C类对象序列化为JSON.

I'm very new to Mac development and I'm having some troubles finding good resources. My current problem is a custom objective-c class object serialization to JSON.

我知道苹果库中有一个内置的序列化器，但是只能与Foundation对象一起使用.

I know that there is a built-in serializer in apple libraries, but that one works only with Foundation objects.

就我而言，我有一个自己的类，如下所示:

In my case I have my own class that looks like this:

@interface SomeClass : NSObject
{
   int a;
   int b;
   NSString *aa;
   NSString *bb;
}
@property int a,b;
@property NSString *aa,*bb;

@end

如果有人知道如何将这种类型的结构序列化为JSON，请给我一个提示！任何相关信息都将有所帮助！谢谢！

If anyone knows how to serialize this type of structure to a JSON please give me a hint! Any kind of relevant information would help! Thank you!

推荐答案

如果只想序列化包含整数和字符串的对象，最简单的方法是创建NSJSONSerialization支持并序列化的数据结构:

If you just want to serialize an object that contains integers and strings, the easiest way is to create a data structure that NSJSONSerialization supports and serialize that:

static const NSString *kAKey = @"a";
static const NSString *kBKey = @"b";
static const NSString *kAaKey = @"aa";
static const NSString *kBbKey = @"bb";

- (id)JSONObject {
    return @{
        kAKey: @(self.a),
        kBKey: @(self.b),
        kAaKey: self.aa,
        kBbKey: self.bb
    };
}

- (NSData *)JSONData {
    return [NSJSONSerialization dataWithJSONObject:[self JSONObject] options:0 error:NULL];
}

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