今天MySQL数据库的基本知识就学完了,明天开始做小项目什么的,有点小激动啊...

<?php

    // 定义$sql语句执行函数

    function my_query($sql){

        $result = mysql_query($sql);

        if(!$result){

            echo 'SQL语句执行失败.';

            echo '<br>错误代号:',mysql_errno();

            echo '<br>错误信息:',mysql_error();

        }

        return $result;

    }

    // 定义数据库连接认证函数

    function my_connect($arr){

        $host = isset($arr['host']) ? $arr['host'] : 'localhost';

        $port = isset($arr['port']) ? $arr['port'] : '3306';

        $user = isset($arr['user']) ? $arr['user'] : 'root';

        $pass = isset($arr['pass']) ? $arr['pass'] : '';

        $link = @ mysql_connect("$host:$port",$user,$pass);

        if(!$link){

            echo '数据库连接失败.';

            echo '<br>错误代号:',mysql_errno();

            echo '<br>错误信息:',mysql_error();

            die;

        }

    }

    // 定义字符编码函数

    function my_charset($arr){

        $charset = isset($arr['charset']) ? $arr['charset'] : 'utf8';

        $sql = "set names $charset";

        my_query($sql);

    }

    // 选择使用的数据库函数

    function my_dbname($arr){

        $dbname = isset($arr['dbname']) ? $arr['dbname'] : '';

        $sql = "use $dbname";

        my_query($sql);

    }

    //确定数据库的配置信息

    $arr = array(

        'host' => 'localhost',

        'port' => '3306',

        'user' => 'root',

        'pass' => 'admin',

        'charset' => 'utf8',

        'dbname' => 'db1'

    );

    // 连接数据库

    my_connect($arr);

    // 设置字符编码

    my_charset($arr);

    // 选择使用的数据库

    my_dbname($arr);

?>

这个有点好用啊,另外我表示基本已经不会css和js了,忘得贼快...

<?php

    header("content-type:text/html;charset=utf-8");

    include "./mysql_DB.php";

    $sql = 'select * from product';

    $result = my_query($sql);

?>

<!doctype html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>产品信息</title>

    <style>

        *{

            margin:0px;

            padding:0px;

        }

        table{

            margin:20px auto;

            border-collapse:collapse;

            width:600px;

        }

        .th{

            padding:5px;

            background-color:orange;

            line-height:30px;

            height:30px;

        }

        .td{

            text-align:center;

            line-height:30px;

            height:30px;

        }

    </style>

</head>

<body>

<table border='1'>

    <tr class='th'>

        <th>产品ID</th>

        <th>名称</th>

        <th>类型</th>

        <th>价格</th>

        <th>品牌</th>

        <th>产地</th>

    </tr>

    <?php while($row = mysql_fetch_assoc($result)): ?>

    <tr class='td'>

        <td><?php echo $row['pro_id'] ?></td>

        <td><?php echo $row['pro_name'] ?></td>

        <td><?php echo $row['protype_id'] ?></td>

        <td><?php echo $row['price'] ?></td>

        <td><?php echo $row['pinpai'] ?></td>

        <td><?php echo $row['chandi'] ?></td>

    </tr>

    <?php endWhile; ?>

</table>

</body>

</html>

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