具有变量值的Json响应

{
  "status": "success",
  "data": {
    "userId": 12345,
    "userName": "JohnDoe",
    "email": "john.doe@example.com",
    "isActive": true,
    "registrationDate": "2020-01-15T00:00:00Z",
    "preferences": {
      "theme": "dark",
      "notifications": true
    },
    "orders": [
      {
        "orderId": 1001,
        "product": "Widget",
        "quantity": 2,
        "price": 19.99
      },
      {
        "orderId": 1002,
        "product": "Gadget",
        "quantity": 1,
        "price": 29.99
      }
    ]
  }
}

import json

json_str = '{"status": "success", "data": {"userId": 12345, "userName": "JohnDoe"}}'

try:
    data = json.loads(json_str)
    print(data['data']['userId'])  # 输出: 12345
except json.JSONDecodeError as e:
    print(f"JSON解析错误: {e}")

const jsonString = '{"status": "success", "data": {"userId": 12345, "userName": "JohnDoe"}}';

try {
    const data = JSON.parse(jsonString);
    console.log(data.data.userId);  // 输出: 12345
} catch (error) {
    console.error("JSON解析错误:", error);
}