一道关于JSON的题一道关于JSON的题一道关于JSON的题

Question

{"error_code":0,"error_msg":"SUCCESS","log_id":304592896305719951,"timestamp":1569630572,"cached":0,"result":{"face_token":"8b3245ef49d4a297870078f7308cfa0c","user_list":[{"group_id":"group_repeat","user_id":"412ff825b0b60ea38d14ff585f355eabf002debc0ad87","user_info":"\u5434\u6210\u5353","score":93.280838012695}]}}

请用电脑解析以上字符串
条件
要求如果error_code是0 并且error_msg是SUCCESS 拿出user_id

Answer 1

js 写法
var user_id = "";
var obj = JSON.stringify(json数据);
if(obj.error_code == 0 && obj.error_msg == "SUCCESS")
user_id =json.result.user_list[0].user_id;