求大佬告知如何扫描Wi-Fi列表

import { wifiManager } from '@kit.ConnectivityKit'; 
 
try { 
  let scanInfoList = wifiManager.getScanInfoList(); 
  console.info("scanInfoList:" + JSON.stringify(scanInfoList)); 
  let len = scanInfoList.length; 
  console.log("wifi received scan info: " + len); 
  if(len > 0){ 
    for (let i = 0; i < len; ++i) { 
      console.info("ssid: " + scanInfoList[i].ssid); 
      console.info("bssid: " + scanInfoList[i].bssid); 
      console.info("capabilities: " + scanInfoList[i].capabilities); 
      console.info("securityType: " + scanInfoList[i].securityType); 
      console.info("rssi: " + scanInfoList[i].rssi); 
      console.info("band: " + scanInfoList[i].band); 
      console.info("frequency: " + scanInfoList[i].frequency); 
      console.info("channelWidth: " + scanInfoList[i].channelWidth); 
      console.info("timestamp: " + scanInfoList[i].timestamp); 
    } 
  } 
}catch(error){ 
  console.error("failed:" + JSON.stringify(error)); 
}
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