ThinkPHP connection database operation case analysis
This time I will bring you ThinkPHPConnect to database operation case analysis, what are the precautions for ThinkPHP connectionDatabase operation, the following is a practical case, Let’s take a look.
One code
1. Complete the writing of the entry function
<?php define('THINK_PATH', '../ThinkPHP'); //定义ThinkPHP框架路径(相对于入口文件) define('APP_NAME', 'App'); //定义项目名称 define('APP_PATH', './App'); //定义项目路径 require(THINK_PATH."/ThinkPHP.php"); //加载框架入口文件 App::run(); //实例化一个网站应用实例 ?>
2. Complete the writing of the controller
<?php
header("Content-Type:text/html; charset=utf-8"); //设置页面编码格式
class IndexAction extends Action{
public function index(){
$db_dsn="mysql://root:root@127.0.0.1:3306/db_database30"; //定义DSN
$db = new Db(); //执行类的实例化
$conn=$db->getInstance($db_dsn); //连接数据库，返回数据库驱动类
$select=$conn->query('select * from think_user'); //执行查询语句
$this->assign('select',$select); // 模板变量赋值
$this->display(); // 指定模板页
}
public function type(){
$dsn = array(
'dbms' => 'mysql',
'username' => 'root',
'password' => 'root',
'hostname' => 'localhost',
'hostport' => '3306',
'database' => 'db_database30'
);
$db = new Db();
$conn=$db->getInstance($dsn); //连接数据库，返回数据库驱动类
$select=$conn->query('select * from think_type'); //执行查询语句
$this->assign('select',$select); // 模板变量赋值
$this->display('type'); // 指定模板页
}
}
?>3. Complete template writing
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>用户信息输出</title>
<link href="ROOT/Public/Css/style.css" rel="external nofollow" rel="external nofollow" rel="stylesheet" type="text/css" />
</head>
<body>
<table width="405" border="1" cellpadding="1" cellspacing="1" bgcolor="#99CC33" bordercolor="#FFFFFF">
<tr>
<td colspan="3" bgcolor="#FFFFFF" class="title" align="center">用户信息</td>
</tr>
<tr class="title">
<td bgcolor="#FFFFFF" width="44">ID</td>
<td bgcolor="#FFFFFF" width="120">名称</td>
<td bgcolor="#FFFFFF" width="223">地址</td>
</tr>
<volist name='select' id='user' >
<tr class="content">
<td bgcolor="#FFFFFF"> {$user.id}</td>
<td bgcolor="#FFFFFF"> {$user.user}</td>
<td bgcolor="#FFFFFF"> {$user.address}</td>
</tr>
</volist>
</table>
</body>
</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>类别输出</title>
<link href="ROOT/Public/Css/style.css" rel="external nofollow" rel="external nofollow" rel="stylesheet" type="text/css" />
</head>
<body>
<table width="405" border="1" cellpadding="1" cellspacing="1" bgcolor="#99CC33" bordercolor="#FFFFFF">
<tr>
<td colspan="3" bgcolor="#FFFFFF" class="title" align="center">类别输出</td>
</tr>
<tr class="title">
<td bgcolor="#FFFFFF" width="44">ID</td>
<td bgcolor="#FFFFFF" width="120">类别名称</td>
<td bgcolor="#FFFFFF" width="223">添加时间</td>
</tr>
<volist name='select' id='type' >
<tr class="content">
<td bgcolor="#FFFFFF"> {$type.id}</td>
<td bgcolor="#FFFFFF"> {$type.typename}</td>
<td bgcolor="#FFFFFF"> {$type.dates}</td>
</tr>
</volist>
</table>
</body>
</html>Second running results
PHP move_uploaded_file() function practical case explanation
thinkPHP controller variable display steps in the template Detailed explanation
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