写了下面的代码，echo这部分的代码和表头为何无法对齐？有谁知道能告诉我么？谢谢！
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<style type="text/css">
table{
border: 1px solid skyblue;
}
td{border:1px solid skyblue;
}
</style>
</head>
<body>
<table>
<tr>
<td>foodName名称</td>
<td>food_temperature性</td>
<td>foodScore性分数</td>
<td>food_taste味</td>
<td>food_tropism归经</td>
<td>upOrdown升降</td>
<td>inAir归气分</td>
<td>inBlood归血分</td>
<td>gall_bladder胆经</td>
<td>liver肝经</td>
<td>lung肺经</td>
<td>large_intestine大肠经</td>
<td>stomach胃经</td>
<td>spleen脾经</td>
<td>heart心经</td>
<td>intestine小肠经</td>
<td>bladder膀胱经</td>
<td>kidney肾经</td>
<td>pericardium心包经</td>
<td>triple-energizer三焦经</td>
<td>spicy</td>
<td>sweet</td>
<td>tasteless</td>
<td>acid</td>
<td>bitter</td>
<td>salty</td>
<td>edible_part</td>
<td>water</td>
<td>energy</td>
<td>protein</td>
<td>fat</td>
<td>carbohydrate</td>
<td>insoluble_fiber</td>
<td>cholesterol</td>
<td>ash</td>
<td>total_vitaminA</td>
<td>carotene</td>
<td>retinol</td>
<td>thiamine</td>
<td>riboflavin</td>
<td>nicotinic_acid</td>
<td>vitaminC</td>
<td>vitaminE</td>
<td>calcium</td>
<td>phosphorus</td>
<td>potassium</td>
<td>sodium</td>
<td>magnesium</td>
<td>iron</td>
<td>zinc</td>
<td>selenium</td>
<td>copper</td>
<td>manganese</td>
<td>comment</td>
<td>glycemic_index</td>
<td>data_source</td>
<td>food_id</td>
</tr>
<?php
$food_name=$_GET["food_name"];
$sql="SELECT * FROM foodList_table WHERE foodName='".$food_name."'";
require_once("../dataBase.php");
$result=$conn->query($sql);
if($result->num_rows>0){
while($row=$result->fetch_assoc()){
echo "";
echo "".$row["foodName"]." ";
echo " ".$row["food_temperature"]." ";
echo " ".$row["foodScore"]." ";
echo " ".$row["food_taste"]." ";
echo " ".$row["food_tropism"]." ";
echo " ".$row["upOrdown"]." ";
echo " ".$row["inAir"]." ";
echo " ".$row["inBlood"]." ";
echo " ".$row["gall_bladder"]." ";
echo " ".$row["liver"]." ";
echo " ".$row["lung"]." ";
echo " ".$row["large_intestine"]." ";
echo " ".$row["stomach"]." ";
echo " ".$row["spleen"]." ";
echo " ".$row["heart"]." ";
echo " ".$row["intestine"]." ";
echo " ".$row["bladder"]." ";
echo " ".$row["kidney"]." ";
echo " ".$row["pericardium"]." ";
echo " ".$row["triple-energizer"]." ";
echo " ".$row["spicy"]." ";
echo " ".$row["sweet"]." ";
echo " ".$row["tasteless"]." ";
echo " ".$row["acid"]." ";
echo " ".$row["bitter"]." ";
echo " ".$row["salty"]." ";
echo " ".$row["edible_part"]." ";
echo " ".$row["water"]." ";
echo " ".$row["energy"]." ";
echo " ".$row["protein"]." ";
echo " ".$row["fat"]." ";
echo " ".$row["carbohydrate"]." ";
echo " ".$row["insoluble_fiber"]." ";
echo " ".$row["cholesterol"]." ";
echo " ".$row["ash"]." ";
echo " ".$row["total_vitaminA"]." ";
echo " ".$row["carotene"]." ";
echo " ".$row["retinol"]." ";
echo " ".$row["thiamine"]." ";
echo " ".$row["riboflavin"]." ";
echo " ".$row["nicotinic_acid"]." ";
echo " ".$row["vitaminC"]." ";
echo " ".$row["vitaminE"]." ";
echo " ".$row["calcium"]." ";
echo " ".$row["phosphorus"]." ";
echo " ".$row["potassium"]." ";
echo " ".$row["sodium"]." ";
echo " ".$row["magnesium"]." ";
echo " ".$row["iron"]." ";
echo " ".$row["zinc"]." ";
echo " ".$row["selenium"]." ";
echo " ".$row["copper"]." ";
echo " ".$row["manganese"]." ";
echo " ".$row["comment"]." ";
echo " ".$row["glycemic_index"]." ";
echo " ".$row["data_source"]." ";
echo " ".$row["food_id"]." ";
echo " ";
}
}else{
echo "没有记录哦";
}
?>
</table>
</body>
</html>
