{
"button": [
{
"type": "media_id",
"name": "预订",
"media_id": "2L3iYdbd6ZUbQq46ce0L5jHqFeoD1H3w56HSZhT4u_p00cU8BGOUuNKGlQZufZEG"
},
{
"name": "常见问题",
"sub_button": [
{
"type": "media_id",
"name": "关于1",
"media_id": "2L3iYdbd6ZUbQq46ce0L5tw0PiHMV99OSA_MJPvriAs0-uxXhzPHlla_VozCkP6D"
},
{
"type": "media_id",
"name": "关于2",
"media_id": "2L3iYdbd6ZUbQq46ce0L5mQC3DQX6BBdMKaMn08nZE2Wx6unY_srGatd7Pe8TP8G"
},
{
"type": "view",
"name": "说明",
"url": "https://mobile.12306.cn/otsmobile/h5/otsbussiness/info/refundChangeInstructionHK.html..."
},
{
"type": "media_id",
"name": "指导",
"media_id": "2L3iYdbd6ZUbQq46ce0L5vJE_0USNgvWuIrjF2aTm244fr28ApmEWLxiyqAxgaC3"
},
{
"type": "media_id",
"name": "问题解答",
"media_id": "X6CLzLqfg-NQNPuKjngE64l6gRCwmyG6FYvl9JC-pB3ihn1WtDJNYcyG__HEasHl"--------这里有图文消息
}
]
},
{
"name": "公司介绍",
"sub_button": [
{
"type": "view",
"name": "了解系统",
"url": "http://mp.weixin.qq.com/mp/mp/video..."
},
{
"type": "media_id",
"name": "24小时客服",
"media_id": "2L3iYdbd6ZUbQq46ce0L5nUC2z-4LkKIhTqtZ3K9HHf1d3GWdB-7Yw7UxKmhlLdR"
},
{
"type": "media_id",
"name": "资源合作",
"media_id": "2L3iYdbd6ZUbQq46ce0L5iA7m3kDLfLGf8HcZgtVMIkYX52t2I8tmrAzhDDtiHOS"
}
]
}
]
}
你好,请问这个media_id是怎么获取的呢?