参考下方 PingUtil.java 代码 import android.content.Context; import android.net.DhcpInfo; import android.net.wifi.WifiManager; import android.text.format.Formatter; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.LineNumberReader; import java.net.InetAddress; import java.util.LinkedList; public class PingUtil { public static String getGateway(Context context) { WifiManager wifiManager = (WifiManager)...