如何在Android和iOS上检查网络是否可用？ 最佳答案 试试这个:unitNetwork;interfacefunctionIsConnected:Boolean;functionIsWiFiConnected:Boolean;functionIsMobileConnected:Boolean;implementationusesSystem.SysUtils,Androidapi.JNIBridge,Androidapi.JNI.GraphicsContentViewText,Androidapi.JNI.JavaTypes,