use wechat-sdk-gen to generate access_token and signature support
Installation
$ sudo npm install -g wechat-sdk-gen$ npm install -g wechat-sdk-gen
Usage
Usage: wsg [options]Options:-V, --version output the version number-w, --wechatInfo [appid] [appsecrect] [timestamp] [nonceStr] [url] get access_token and signature support-v, --version output the version number-h, --help output usage information