第一种方法：

$filename="文件名称";
  $filetitle="你的标题";
  if($_POST){
    set_time_limit(10000)；
    $title = "";
    ini_set("memory_limit","300M");
    header("Content-Type: application/vnd.ms-excel;charset=utf-8");
    $name = $title.".xls";
    header("Content-Disposition: attachment;filename=".$name."");
    header("Cache-Control: max-age=0");
    $where = "1=1";
    $sql = "";
    $query = DB::Query($sql);
    // PHP文件句柄，php://output 表示直接输出到浏览器 
    $fp = fopen("php://output", "a");
    // 输出Excel列头信息 
    $head = array("ID");
    //字符替换
    $p_new_lines = array("
", "
","	","
","
", "<pre>","</pre>","<br>","</br>","<br/>");
    $p_change_line_in_excel_cell = "";

    foreach($head as $v){
      echo iconv("utf-8","gb2312",$v) . "	";
    }
    echo "
";
    // 计数器 
    $cnt = 0;
    // 每隔$limit行，刷新一下输出buffer，节约资源 
    $limit = 100000;
    // 逐行取出数据，节约内存
    while ($res = mysql_fetch_assoc($query)) {
      $cnt ++;
      if ($limit == $cnt) { //刷新一下输出buffer，防止由于数据过多造成问题 
        ob_flush();
        flush();
        $cnt = 0;
      } 
      echo trim($res["id"]). "	";
      echo "
";
    }

  }

第二种方法：

$filename="文件名称";
  $filetitle="你的标题";
  if($_POST){
    $title = "";
    ini_set("memory_limit","300M");
    header("Content-Type: application/vnd.ms-excel;charset=utf-8");
    $name = $title.".xls";
    header("Content-Disposition: attachment;filename=".$name."");
    header("Cache-Control: max-age=0");
    echo "<html xmlns:o="urn:schemas-microsoft-com:office:office"
      xmlns:x="urn:schemas-microsoft-com:office:excel"
      xmlns="http://www.w3.org/TR/REC-html40">
    <head>
      <meta http-equiv="expires" content="Mon, 06 Jan 1999 00:00:01 GMT">
      <meta http-equiv=Content-Type content="text/html; charset=gb2312">
      <!--[if gte mso 9]><xml>
      <x:ExcelWorkbook>
      <x:ExcelWorksheets>
       <x:ExcelWorksheet>
       <x:Name></x:Name>
       <x:WorksheetOptions>
        <x:DisplayGridlines/>
       </x:WorksheetOptions>
       </x:ExcelWorksheet>
      </x:ExcelWorksheets>
      </x:ExcelWorkbook>
      </xml><![endif]-->
    </head>";
    $where = "1=1";

    $sql = " ";
    mysql_query("set names "utf8"");
    mysql_set_charset("utf8");
    $query = DB::Query($sql);

    // PHP文件句柄，php://output 表示直接输出到浏览器 
    $fp = fopen("php://output", "a");
    // 输出Excel列头信息 
    $head = array("ID","xxx");
    //字符替换
    $p_new_lines = array("
", "
","	","
","
", "<pre>","</pre>","<br>","</br>","<br/>");
    $p_change_line_in_excel_cell = "";
    echo "<table>";
    echo "<tr>";
    foreach($head as $v){
      echo "<td>".iconv("utf-8","gb2312",$v)."</td>";
    }
    echo "</tr>";
    // 逐行取出数据，节约内存
    while ($res = mysql_fetch_assoc($query)) {
      echo "<tr>";
      echo "<td style="vnd.ms-excel.numberformat:@">".$res["id"]."</td>";
      echo "<td>".iconv("utf-8", "gb2312", $res["xxx"]."</td>";
      echo"</tr>";
    }
    echo "</table>";
  }

以上这篇php原生导出excel文件的两种方法(推荐)就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持网页设计。