短信免费接口调用
url = 'http://v.juhe.cn/sms/send'
res = Net::HTTP.post_form(
URI.parse(url),
key: "1232121",
mobile: phone,
tpl_id: 1304,
tpl_value: '#code#=' + captcha,
dtype: 'json'
)
reuslt = JSON.parse(res.body)