在JSON中检查计算结果的系统设计最佳实践

{
  "result": {
    "id": "12345",
    "name": "Sample Result",
    "value": 42,
    "timestamp": "2023-04-30T12:34:56Z"
  }
}

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "result": {
      "type": "object",
      "properties": {
        "id": { "type": "string" },
        "name": { "type": "string" },
        "value": { "type": "number" },
        "timestamp": { "type": "string", "format": "date-time" }
      },
      "required": ["id", "name", "value", "timestamp"]
    }
  },
  "required": ["result"]
}

{
  "error": {
    "code": 400,
    "message": "Invalid input data",
    "details": {
      "field": "value",
      "reason": "Value must be a number"
    }
  }
}

import json
from jsonschema import validate, ValidationError

# JSON Schema定义
schema = {
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "result": {
      "type": "object",
      "properties": {
        "id": { "type": "string" },
        "name": { "type": "string" },
        "value": { "type": "number" },
        "timestamp": { "type": "string", "format": "date-time" }
      },
      "required": ["id", "name", "value", "timestamp"]
    }
  },
  "required": ["result"]
}

# 待验证的JSON数据
data = '''
{
  "result": {
    "id": "12345",
    "name": "Sample Result",
    "value": 42,
    "timestamp": "2023-04-30T12:34:56Z"
  }
}
'''

try:
    json_data = json.loads(data)
    validate(instance=json_data, schema=schema)
    print("JSON数据验证通过")
except ValidationError as e:
    print(f"JSON数据验证失败: {e.message}")