Vue3+ElementPlus+Koa2 全棧開發後臺系統

download:Vue3+ElementPlus+Koa2 全棧開發後臺系統

package com.chengxinet.bobo.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;

/**

• Created by Administrator on 2016/1/7.

• /
  public class NetworkUtils {
  public static boolean isNetworkAvailable(Context c) {

    Context context = c.getApplicationContext();
    // 獲取手機所有連線管理物件（包括對wi-fi,net等連線的管理）
    ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
  
    if (connectivityManager == null) {
        return false;
    } else {
        // 獲取NetworkInfo物件
        NetworkInfo[] networkInfo = connectivityManager.getAllNetworkInfo();
  
        if (networkInfo != null && networkInfo.length > 0) {
            for (NetworkInfo aNetworkInfo : networkInfo) {

  // System.out.println(i + “===狀態===” + networkInfo[i].getState());
  // System.out.println(i + “===型別===” + networkInfo[i].getTypeName());

                // 判斷當前網路狀態是否為連線狀態
                if (aNetworkInfo.getState() == NetworkInfo.State.CONNECTED) {
                    return true;
                }
            }
        }
    }
    return false;

  }

  /**

  • 判斷WIFI是否開啟

  • @param context

  • @return

  • /
    public static boolean isWifiEnabled(Context context) {
    ConnectivityManager mgrConn = (ConnectivityManager) context

          .getSystemService(Context.CONNECTIVITY_SERVICE);

    TelephonyManager mgrTel = (TelephonyManager) context

          .getSystemService(Context.TELEPHONY_SERVICE);

    return ((mgrConn.getActiveNetworkInfo() != null && mgrConn

          .getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel
          .getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS);

    }

    /**

  • 判斷是否是3G網路

  • @param context

  • @return

  • /
    public static boolean is3rd(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context

          .getSystemService(Context.CONNECTIVITY_SERVICE);

    NetworkInfo networkINfo = cm.getActiveNetworkInfo();
    if (networkINfo != null

          && networkINfo.getType() == ConnectivityManager.TYPE_MOBILE) {
      return true;

    }
    return false;
    }

    /**

  • 判斷是wifi還是3g網路

  • @param context

  • @return

  • /
    public static boolean isWifi(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context

          .getSystemService(Context.CONNECTIVITY_SERVICE);

    NetworkInfo networkINfo = cm.getActiveNetworkInfo();
    if (networkINfo != null

          && networkINfo.getType() == ConnectivityManager.TYPE_WIFI) {
      return true;

    }
    return false;
    }
    }

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