提供了一个用于输入学号查询学生信息的功能，并支持选择显示方式，包括左对齐、右对齐和居中对齐。
array_from.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<form action="array_from.php" method="post">
输入学号查询：
<input type="text" name="text" /><br/>
选择显示方式：
<input type="radio" value="left" name="ss" />left
<input type="radio" value="center" name="ss" />center
<input type="radio" value="right" name="ss" />right<br />
<input type="submit" value="确定" />
</form>
</body>
</html>
array_from.php
<?php
include("libs/Smarty.class.php");
$link = mysql_connect('localhost','root','123');
mysql_select_db('xf',$link);
mysql_query("set names utf8");
$sql = "select * from stuinfo where stu_id like '".$_POST["text"]."'";
$result=mysql_query($sql,$link);
$row=mysql_fetch_row($result);
$smarty=new Smarty();
$smarty->reInitSmarty("demo/templates","demo/templates_c","demo/config");
$smarty->assign("text",$row);
$smarty->assign("dq",$_POST["ss"]);
$smarty->display("if.tpl");
if.tpl
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<{if $dq=='left'}>
<div style="float:left">
<table border="1">
<tr>
<{section name=stuinfo loop=$text}>
<td><{$text[stuinfo]}></td>
<{/section}>
</tr>
</table>
</div>
<{elseif $dq=='right'}>
<div style="float:right">
<table border="1">
<tr>
<{section name=stuinfo loop=$text}>
<td><{$text[stuinfo]}></td>
<{/section}>
</tr>
</table>
</div>
<{else}>
<center><div>
<table border="1">
<tr>
<{section name=stuinfo loop=$text}>
<td><{$text[stuinfo]}></td>
<{/section}>
</tr>
</table>
</div></center>
<{/if}>
</body>
</html>
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