您需要安装白名单插件 允许在您的 Cordova 应用程序中支持 XHR.没有它，您就无法发出外部请求.

You need to install the whitelist plugin to allow XHR support in your Cordova app. You can't make external requests without it.

运行:cordova plugin add https://github.com/apache/cordova-plugin-whitelist.git