PHP链接MYSQL

<?php
    
    $user = "root";
    $passwd = "root";
    
    
    $connect = mysql_connect('localhost', $user, $passwd)
       or die('数据库连接失败: ' . mysql_error());
    echo '<BR><b>第一步:</b>成功建立连接! <BR>';
    
    $db = 'test';
    mysql_select_db($db) or die('Could not select database ('.$db.') because of : '.mysql_error());
    echo '<b>第二步:</b> 成功连接到 ('.$db.')!<BR>';
    
    
    mysql_close($connect);
       echo "冒称";
?>

获取数据库里面的信息

<?php

    $user = "root";
    $passwd = "root";
    
    
    $connect = mysql_connect('localhost', 'root', 'root')
       or die('Could not connect: ' . mysql_error());
       mysql_query("SET NAMES 'GB2312'",$connect);
    echo '<b>第一步:</b>成功建立连接! <BR>';
    
    $db = 'test';
    mysql_select_db($db) or die('Could not select database ('.$db.') because of : '.mysql_error());
    echo '<b>第二步:</b> 成功连接到 ('.$db.') !<BR>';
    
    
    $query = 'SELECT * FROM user';
    $result = mysql_query($query) or die('Query failed: ' . mysql_error());
    
    
    
    echo "<br><br><b>获取数据...</b><br>";
    echo "<table border='1' width='3000'>\n";
    
    $count = 0;
    while ($line = mysql_fetch_array($result, MYSQL_ASSOC)) {
       echo "\t<tr>\n";
       foreach ($line as $col_value) {
           echo "\t\t<td>$col_value</td>\n";
       }
       $count++;
       echo "\t</tr>\n";
    }
    
    echo "</table>\n";
    
    if ($count < 1) {
        echo "<br><br>表格中未发现记录.<br><br>";
    } else {
        echo "<br><br>表格中有".$count."行记录.<br><br>";
    }
    
    
    mysql_free_result($result);
    
    
    mysql_close($connect);
?>