https://developers.weixin.qq.com/doc/offiaccount/Subscription_Messages/intro.htmlhttps://developers.weixin.qq.com/doc/offiaccount/Subscription_Messages/intro.htmlhttps://developers.weixin.qq.com/doc/offiaccount/Subscription_Messages/intro.htmlhttps://developers.weixin.qq.com/doc/offiaccount/Subscription_Messages/intro.html

https://developers.weixin.qq.com/miniprogram/dev/framework/ability/network.html

若需要使用sandbox环境： [代码]`[代码] import com.github.wxpay.sdk.WXPay; import com.github.wxpay.sdk.WXPayConstants; public class WXPayExample { [代码]public static void main(String[] args) throws Exception {    MyConfig config = new MyConfig();    WXPay wxpay = new WXPay(config, WXPayConstants.SignType.MD5, true);    // ...... }[代码]} [代码]`[代码] 示例中的这个方法报错呀，源码中没有这个构造方法 [代码]WXPay wxpay = new WXPay(config, WXPayConstants.SignType.MD5, true);[代码]