从服务的响应中，有时我得到JSONArray或有时JSONObject。那么，我如何识别它是 JsonObject 还是 JsonArray。
这是我对两个方向的回应，
它是一个 JsonArray，如果没有数据，则给出空白 json 数组
[]
它是一个 JsonObject，
{
"12": {
"order_number": "12",
"revision_id": "19",
"revision_uid": "1",
"mail": "",
"status": "pending",
"log": "",
"revision_timestamp": "1372922775",
"revision_hostname": "192.168.1.104",
"data": [],
"order_id": "12",
"type": "commerce_order",
"uid": "0",
"created": "1372922775",
"changed": "1372922775",
"hostname": "",
"commerce_line_items": [
"12"
],
"commerce_order_total": {
"amount": "24000",
"currency_code": "USD",
"data": {
"components": [
{
"name": "base_price",
"price": {
"amount": 24000,
"currency_code": "USD",
"data": []
},
"included": true
}
]
}
},
"commerce_customer_billing": "15",
"rdf_mapping": [],
"commerce_order_total_formatted": "$240.00",
"commerce_line_items_entities": {
"12": {
"line_item_id": "12",
"order_id": "12",
"type": "product",
"line_item_label": "Rebok 435",
"quantity": "2.00",
"created": "1372922753",
"changed": "1372922775",
"data": [],
"commerce_unit_price": {
"amount": "12000",
"currency_code": "USD",
"data": {
"components": [
{
"name": "base_price",
"price": {
"amount": "12000",
"currency_code": "USD",
"data": {
"components": []
}
},
"included": true
}
]
}
},
"commerce_total": {
"amount": "24000",
"currency_code": "USD",
"data": {
"components": [
{
"name": "base_price",
"price": {
"amount": 24000,
"currency_code": "USD",
"data": {
"components": []
}
},
"included": true
}
]
}
},
"commerce_product": "2",
"commerce_display_path": "",
"rdf_mapping": [],
"line_item_title": "Rebok 435",
"commerce_unit_price_formatted": "$120.00",
"commerce_total_formatted": "$240.00"
}
},
"commerce_customer_billing_entities": {
"15": {
"revision_id": "15",
"revision_uid": "1",
"status": "1",
"log": "",
"revision_timestamp": "1372922783",
"data": false,
"profile_id": "15",
"type": "billing",
"uid": "0",
"created": "1372922737",
"changed": "1372922783",
"commerce_customer_address": {
"country": "IN",
"administrative_area": "",
"sub_administrative_area": null,
"locality": "",
"dependent_locality": null,
"postal_code": "",
"thoroughfare": "",
"premise": "",
"sub_premise": null,
"organisation_name": null,
"name_line": "",
"first_name": null,
"last_name": null,
"data": null
},
"rdf_mapping": []
}
}
},
"13": {
"order_number": "13",
"revision_id": "20",
"revision_uid": "1",
"mail": "",
"status": "pending",
"log": "",
"revision_timestamp": "1372922812",
"revision_hostname": "192.168.1.104",
"data": [],
"order_id": "13",
"type": "commerce_order",
"uid": "0",
"created": "1372922812",
"changed": "1372922812",
"hostname": "",
"commerce_line_items": [
"13"
],
"commerce_order_total": {
"amount": "1150000",
"currency_code": "USD",
"data": {
"components": [
{
"name": "base_price",
"price": {
"amount": 1150000,
"currency_code": "USD",
"data": []
},
"included": true
}
]
}
},
"commerce_customer_billing": "16",
"rdf_mapping": [],
"commerce_order_total_formatted": "$11,500.00",
"commerce_line_items_entities": {
"13": {
"line_item_id": "13",
"order_id": "13",
"type": "product",
"line_item_label": "mens_sports_shose",
"quantity": "5.00",
"created": "1372922806",
"changed": "1372922812",
"data": [],
"commerce_unit_price": {
"amount": "230000",
"currency_code": "USD",
"data": {
"components": [
{
"name": "base_price",
"price": {
"amount": "230000",
"currency_code": "USD",
"data": {
"components": []
}
},
"included": true
}
]
}
},
"commerce_total": {
"amount": "1150000",
"currency_code": "USD",
"data": {
"components": [
{
"name": "base_price",
"price": {
"amount": 1150000,
"currency_code": "USD",
"data": {
"components": []
}
},
"included": true
}
]
}
},
"commerce_product": "1",
"commerce_display_path": "",
"rdf_mapping": [],
"line_item_title": "Reboke",
"commerce_unit_price_formatted": "$2,300.00",
"commerce_total_formatted": "$11,500.00"
}
},
"commerce_customer_billing_entities": {
"16": {
"revision_id": "16",
"revision_uid": "1",
"status": "1",
"log": "",
"revision_timestamp": "1372922812",
"data": false,
"profile_id": "16",
"type": "billing",
"uid": "0",
"created": "1372922797",
"changed": "1372922812",
"commerce_customer_address": {
"country": "IN",
"administrative_area": "",
"sub_administrative_area": null,
"locality": "",
"dependent_locality": null,
"postal_code": "",
"thoroughfare": "",
"premise": "",
"sub_premise": null,
"organisation_name": null,
"name_line": "",
"first_name": null,
"last_name": null,
"data": null
},
"rdf_mapping": []
}
}
}
}
请告诉我如何识别响应。是 JSONObject 还是 JSONArray ？