Vue3+ElementPlus+Koa2 全棧開發後臺系統

bianchengyuanren發表於2021-07-04
Vue全棧

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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