Swift ui macos按obj排序json

import Foundation

// 假设有以下 JSON 数据
let jsonString = """
{
    "obj1": {
        "name": "John",
        "age": 25
    },
    "obj2": {
        "name": "Alice",
        "age": 30
    },
    "obj3": {
        "name": "Bob",
        "age": 20
    }
}
"""

// 解析 JSON 数据
guard let jsonData = jsonString.data(using: .utf8),
      let jsonObject = try? JSONSerialization.jsonObject(with: jsonData, options: []),
      let jsonDict = jsonObject as? [String: Any] else {
    fatalError("Failed to parse JSON data")
}

// 按 obj 排序 JSON 数据
let sortedJsonDict = jsonDict.sorted { $0.key < $1.key }

// 将排序后的 JSON 数据转换回 JSON 格式
guard let sortedJsonData = try? JSONSerialization.data(withJSONObject: sortedJsonDict, options: .prettyPrinted),
      let sortedJsonString = String(data: sortedJsonData, encoding: .utf8) else {
    fatalError("Failed to convert JSON data to string")
}

print(sortedJsonString)