https://developers.weixin.qq.com/miniprogram/dev/api/open-api/service-chat/wx.openCustomerServiceChat.html
wx.miniProgram.openCustomerServiceChat({
extInfo: {url: 'https://work.weixin.qq.com/kfid/kfcb1cba237e6cdxxxx'},
corpId: 'ww48df30f06c82xxxx',
success(res) {}
})
web-view不支持此api。