function GetInfoFromTable(tableid) {  var tableInfo = "";  var tableObj = document.getElementById(tableid);  for (var i = 0; i < tableObj.rows.length; i++) {  //遍历Table的所有Row    for (var j = 0; j < tableObj.rows[i].cells.length; j++) {  //遍历Row中的每一列      tableInfo += tableObj.rows[i].cells[j].innerText;  //获取Table中单元格的内容      tableInfo += "  ";    }    tableInfo += "/n";  }  return tableInfo;}