echo "<th>".'<a href=deladmininfo.php?ID='.$result["ID"].'>删除&

echo '<th><a href="deladmininfo.php?ID='.$result["ID"].'" onclick="return confirm(\'确定删除吗？\')">删除</a></th>'

应该这样：

$info

$doc = "<a href='delete.php?bh=" . $info['id'] . "'>del</a>"

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