表格数据 按上下左右移动光标_weixin_34114823的博客

/*!
*tableId:表格ID
*rowIndex：行号
*left:左边控件ID
*columnName:当前控件ID
*right:右边控件ID
*/
function inputKeyDown(tableId,rowIndex,left, columnName,right)
{

   key=window.event.keyCode;
  if(key>=37 && key<=40)
  {
    var index=rowIndex;
    var name=columnName;
    if (key==38 && rowIndex>1){//↑
       index=rowIndex-1;
    }else if (key==40 ){//↓
       index=rowIndex+1;
 
    }else if (key==37 && left){//←
       name=left;      
    }else  if (key==39 && right){//→
        name=right;
    }
    if(index>0 && name)  
    { 
     if(index<=9) 
         index="0"+index;
     var obj=document.getElementById(tableId+"_ctl"+(index)+"_"+name);
     if(obj &&  obj.disabled)
      obj.focus();     
    }
  }
}/*!
*ta