PHP-Datei exportiert Datenbankdaten in Excel-Tabellencode-Einführung

<?php
    error_reporting(E_ALL ^ E_DEPRECATED);
    $localhost = &#39;数据库地址&#39;;
    $dbname = &#39;数据库名&#39;;
    $dbuser = &#39;数据库账号&#39;;
    $dbpwd = &#39;数据库密码&#39;;
    $tbname = "需要导出的数据库表名";

    ob_end_clean();
    header(&#39;Content-type: text/html; charset=utf-8&#39;);
    header("Content-type:application/vnd.ms-excel;charset=UTF-8"); 
    header("Content-Disposition:filename=data.xls");// 文件名自己改，默认data.xls

    $conn = mysql_connect($localhost,$dbuser,$dbpwd) or die("连接数据库失败");
    mysql_select_db($dbname, $conn);
    mysql_query("set names &#39;UTF-8&#39;");

    $result=mysql_query("SELECT * FROM $tbname");
    echo "<table>";
    echo "<tr>";
    echo "<th>A1单元格</th>";
    echo "<th>B1单元格</th>";
    echo "<th>C1单元格</th>";
    echo "<th>D1单元格</th>";
    echo "</tr>";
    echo "</table>";
    while($row=mysql_fetch_array($result)){
        //下面data改成你自己数据库对应的字段
        $data1 = $row["data1"];
        $data2 = $row["data2"];
        $data3 = $row["data3"];
        $data4 = $row["data4"];
        
        //输出字段的数据到单元格
        //下面data改成你自己数据库对应的字段
        echo "<table>";
        echo "<tr>";
            echo "<td>$data1</td>";
            echo "<td>$data2</td>";
            echo "<td>$data3</td>";
            echo "<td>$data4</td>";
        echo "</tr>";
        echo "</table>";
    }
?>