我想要訪問JSON響應中的圖像,但是我需要訪問的字段是唯一或相當隨機的id值。我們正在從服務器獲取這些數據,所以我們無法對ID進行硬編碼。無法訪問JSON中的字段
的JSON如下:
{ "error" : { "occured" : "false" },
"errors" : [ ],
"executiontime" : 2500,
"metadata" : { },
"value" : [ { "activity_duration" : "1 hour, ½ day & full day packages",
"adult_rate_high_period_high_price" : 275,
"adult_rate_high_period_low_price" : 49,
"adult_rate_low_period_high_price" : "",
"adult_rate_low_period_low_price" : "",
"amenities" : [ ],
"assets" : { "logo" : { "436209" : { "asset_type" : "image",
"caption" : "",
"credit" : "",
"description" : "",
"exists" : "true",
"height" : 82,
"label" : "Copy of Monarch logo",
"latitude" : 0,
"longitude" : 0,
"market" : "$",
"o_id" : 3221685,
"type_o_id" : 2543991,
"unique_id" : 436209,
"url" : "http://c0481729.cdn2.cloudfiles.rackspacecloud.com/p-DD951E3E-C7AF-F22C-77E98D299833B38F-2544001.jpg",
"width" : 220
} },
我們正試圖顯示每個設施的企業標識。爲此,我需要訪問上述JSON中的url字段。如何訪問assest下的url字段。
你能提供更多的細節嗎? –