Question

我正在尝试在选择和选项字段

中显示数据库字段

<?php
$con = mysql_connect("localhost","cl49-XXX","XXX");
if (!$con) {
   die('Could not connect: ' . mysql_error());
}
mysql_select_db("cl49-XXX", $con)or die( "Unable to select database");
$result=mysql_query("SELECT * FROM categories")or die('You need enter a catagory ' );
echo "<tr>"; // first row beginning
for ($i = 1; $i <= mysql_num_rows($result); $i++){
    $row = mysql_fetch_array($result);
    $id = $row['id'];
    $category= $row['category'];
    echo "<option>$category'
       ";
    if ($i % 4 == 0) {
        echo "</option><option>"; // it's time no move to next row
    }
}
echo ""; // last row ending
?>

为什么我没有显示任何字段？

Answer 1

echo "</option><option>";

为什么你有2个<option>标签？仅使用结束标记

echo `</option>`

尝试在<select> </select>中显示数据库字段

1 个答案: