获取云端硬盘文件夹中的所有文件

function onOpen() {

  // Add a custom menu to run the script
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var searchMenuEntries = [ {name: "Run", functionName: "search"}];
  ss.addMenu("Get Files", searchMenuEntries);
}

function getFiles() {

  // Get the active spreadsheet and the active sheet
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var ssid = ss.getId();
  
  // Look in the same folder the sheet exists in. For example, if this template is in
  // My Drive, it will return all of the files in My Drive.
  var ssparents = DriveApp.getFileById(ssid).getParents();
  var sheet = ss.getActiveSheet();

  // Set up the spreadsheet to display the results
  var headers = [["Last Updated", "File Owner", "File Name", "File URL"]];
  sheet.getRange("A1:D").clear();
  sheet.getRange("A1:D1").setValues(headers);
  
  // Loop through all the files and add the values to the spreadsheet.
  var folder = ssparents.next();
  var files = folder.getFiles();
  var i=1;
  while(files.hasNext()) {
    var file = files.next();
    if(ss.getId() == file.getId()){ 
      continue; 
    }
    sheet.getRange(i+1, 1, 1, 4).setValues([[file.getLastUpdated(),file.getOwner().getName(),file.getName(), file.getUrl()]]);
    i++;
  }
}