淘宝、天猫、京东、苏宁的服务器时间

淘宝-天猫

https://api.m.taobao.com/rest/api3.do?api=mtop.common.getTimestamp

京东

https://api.m.jd.com/client.action?functionId=queryMaterialProducts&client=wh5

苏宁

https://quan.suning.com/getSysTime.do