从数据库查询数据，浏览器以表格形式显示
注意区别index 和iteration
index为数组下标索引
iteration为序号
模板页面
<table border="1" width="800" align="center">
<caption>用户信息表</caption>
<th align="center">index</th>
<th align="center">iteration</th>
<{foreach $tdname as $val}>
<th align="center"><{$val}></th>
<{/foreach}>
<{section name="one" loop=$users step=2 start=2}>
<{if $smarty.section.one.first}>
<tr bgcolor="red" align="center">
<{elseif $smarty.section.one.last}>
<tr bgcolor="yellow" align="center">
<{elseif $smarty.section.one.iteration is even}>
<tr bgcolor="pink" align="center">
<{else}>
<tr bgcolor="green" align="center">
<{/if}>
<td><{$smarty.section.one.index}></td>
<td><{$smarty.section.one.iteration}></td>
<td><{$users[one].id}></td>
<td><{$users[one].username}></td>
<td><{$users[one].password}></td>
<td><{$users[one].email}></td>
</tr>
<{sectionelse}>
没有用户查询出来！
<{/section}>
</table>
php页面
<?php
//创建smarty对象
require_once ‘./libs/Smarty.class.php‘;
//定义根目录
define(‘ROOT‘, str_replace("\\", "/",dirname(__FILE__))."/");
//实例化Smarty类
$smarty=new Smarty();
//设定定界符
$smarty->left_delimiter="<{";
$smarty->right_delimiter="}>";
//设置为false 定界符号左右可以有空格
$smarty->auto_literal = false;
//添加一个插件的目录
//$smarty->setPluginsDir(ROOT."/libs/myplugins/");
//注意添加一个插件,要把系统默认设置的路径加入 否则不能使用默认系统的插件
$smarty->setPluginsDir(array(
ROOT."/libs/plugins/",//系统默认设置的路径
ROOT."/libs/myplugins/",//自定义的
));
//连接数据库
const DSN = ‘mysql:host=localhost;dbname=test‘;
const DBUSER = ‘root‘;
const DBPWD = ‘root‘;
try{
$pdo = new PDO(DSN, DBUSER,DBPWD);
}catch(PDOException $e){
echo "数据库连接失败:".$e->getMessage();
exit;
}
$query = "select id, username, password,email from users";
$stmt = $pdo->prepare($query);
$stmt ->execute();
$users = $stmt->fetchAll(PDO::FETCH_ASSOC);
$smarty->assign(‘users‘,$users);
//var_dump($users);
$query = "desc users";
$stmt = $pdo->prepare($query);
$stmt ->execute();
$tdname = $stmt->fetchAll(PDO::FETCH_COLUMN);
//var_dump($tdname);
$smarty->assign(‘tdname‘,$tdname);
//变量输出
$smarty->display(‘hello.tpl‘);
?>
浏览器输出
时间： 2024-12-14 22:12:50