using UnityEngine;
using System.Collections;

public class InternetTest : MonoBehaviour {

    void OnGUI()
    {
        GUI.color = Color.green;
        GUI.Label(new Rect(20, 20, 500, 200), CheckNetwork());
    }

    private string CheckNetwork()
    {
        string des = "";
        //注意: 当运营商网络和WiFi/有线网同时打开时，返回ReachableViaLocalAreaNetwork
        //切换网络时Application.internetReachability值不会即时变化
        switch (Application.internetReachability)
        {
            case NetworkReachability.NotReachable:
                des = "网络不可达";
                break;
            case NetworkReachability.ReachableViaCarrierDataNetwork:
                des = "网络通过运营商数据网络是可达的";
                break;
            case NetworkReachability.ReachableViaLocalAreaNetwork:
                des = "网络通过WiFi或有线网络是可达的";
                break;
        }
        return des;
    }
}