## code 换取 session_key +++ POST:https://store.cuci.cc/store/api/minapp/session.html *code#wx.login 返回的 code 值 encrypted#（可选）wx.getUserInfo 返回的 encryptedData 加密数据 iv#（可选）wx.getUserInfo 返回的 iv 值 <<< 获取成功 { "code": "SUCCESS", "msg": "获取用户openid成功！", "data": { "openid":"fasdfasdfadsfadsfasdfdasfads", "expires_in":2592000 } } <<< 获取失败1 { "code": "ERROR", "info": "获取用户openid失败！", "data": { "errcode": 40029, "errmsg": "invalid code, hints: [ req_id: JKWnaa0057s105 ]" } } <<< 获取失败2 { "code": "SHOP_ORDER_MISSING_PARAMETER", "info": "丢失必要参数，请参考文档提交数据！", "data": [] } <<< 授权失败 { "code": "AUTH_TOKEN_FAILD", "info": "应用授权失败，请进行接口授权操作！", "data": [] } +++