Google Cloud Datastore如何使用http请求创建、更新和删除实体

POST https://datastore.googleapis.com/v1/projects/{projectId}:commit

请求体：
{
  "mode": "NON_TRANSACTIONAL",
  "mutations": [
    {
      "insert": {
        "key": {
          "path": [
            {
              "kind": "EntityKind",
              "name": "EntityName"
            }
          ]
        },
        "properties": {
          "propertyName": {
            "stringValue": "propertyValue"
          }
        }
      }
    }
  ]
}

POST https://datastore.googleapis.com/v1/projects/{projectId}:commit

请求体：
{
  "mode": "NON_TRANSACTIONAL",
  "mutations": [
    {
      "update": {
        "key": {
          "path": [
            {
              "kind": "EntityKind",
              "name": "EntityName"
            }
          ]
        },
        "properties": {
          "propertyName": {
            "stringValue": "newPropertyValue"
          }
        }
      }
    }
  ]
}

POST https://datastore.googleapis.com/v1/projects/{projectId}:commit

请求体：
{
  "mode": "NON_TRANSACTIONAL",
  "mutations": [
    {
      "delete": {
        "path": [
          {
            "kind": "EntityKind",
            "name": "EntityName"
          }
        ]
      }
    }
  ]
}