利用免费的API（飞信）给手机免费发短信的小程序，防垃圾短信可设置每日发送次数，服务器和本地双重校验，还可以设置站长发送密码，可以无限制发送！-Free use of API (Fetion) free mobile phone text messaging to small programs, anti-spam SMS can be set daily transmission times, local server and double check, you can also set th