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ionic 有無網路判斷

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cordova-plugin-network-information 2.0.1
1 安裝外掛 cordova plugin add cordova-plugin-network-information

if (navigator.connection) {
    var tmptypes = navigator.connection.type;
    if (tmptypes.toUpperCase().indexOf('NONE') > -1 || tmptypes.toUpperCase().indexOf('UNKNOWN') > -1) {
       if (navigator.notification) {
           navigator.notification.confirm('您的裝置未開啟網路',function (buttonIndex) {
               if (buttonIndex == 1) {
                    if (cordova.plugins.settings) {
                        cordova.plugins.settings.openSetting("wifi", function () { console.log("network setting openning"); }, function () { console.log("open network setting failed"); });
                    }
               }
           }, // callback to invoke with index of button pressed
           '提示', // title
           ['開啟', '取消'] // buttonLabels
           );
       }
    }
  }