uni-app 获取当前连接的WiFi名

getWifiName: function() {  
                var wifiManager, wifiInfo;  
                var Context = plus.android.importClass("android.content.Context");  
                var WifiManager = plus.android.importClass("android.net.wifi.WifiManager");  
                var WifiInfo = plus.android.importClass("android.net.wifi.WifiInfo");  
                wifiManager = plus.android.runtimeMainActivity().getSystemService(Context.WIFI_SERVICE);  
                wifiInfo = wifiManager.getConnectionInfo();  
                var ssid = wifiInfo.getSSID() || '';  
                if (ssid.length == 0) {  
                    return null;  
                }  
                //一些手机上获取SSID是有值的，但是实际IP为空，真实为未连接    
                var i = parseInt(wifiInfo.getIpAddress());  
                var ipStr = (i & 0xFF) + "." +  
                    ((i >> 8) & 0xFF) + "." +  
                    ((i >> 16) & 0xFF) + "." +  
                    (i >> 24 & 0xFF);  
                if (ipStr == "0.0.0.0") {  
                    console.log("NULL");  
                    return null;  
                }  

                if (ssid != "<unknown ssid>" && ssid.toUpperCase() != "0X") {  
                    console.log(ssid.replace(/\"/g, ""));  
                    return ssid.replace(/\"/g, "");  
                }  
                console.log("NULL");  
                return null;  
            },