转自：https://www.cnblogs.com/henuyuxiang/p/6647985.html

 

1 function GetInfoFromTable(tableid) { 2     var tableInfo = ""; 3     var tableObj = document.getElementById(tableid); 4     for (var i = 0; i < tableObj.rows.length; i++) {    //遍历Table的所有Row 5         for (var j = 0; j < tableObj.rows[i].cells.length; j++) {   //遍历Row中的每一列 6             tableInfo += tableObj.rows[i].cells[j].innerText;   //获取Table中单元格的内容 7             tableInfo += "   "; 8         } 9         tableInfo += "\n";10     }11     return tableInfo;12 }