Detailed explanation of two methods of exporting excel files natively in php-PHP Tutorial-php.cn

This article mainly introduces two methods of exporting excel files natively in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.

First method:

$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("\r\n", "\n","\t","\r","\r\n", "","","
        
","
        
","
        
"); $p_change_line_in_excel_cell = ''; foreach($head as $v){ echo iconv('utf-8','gb2312',$v) . "\t"; } echo "\n"; // 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']). "\t"; echo "\n"; } }
        
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Second Method:

$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 '     
'; $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("\r\n", "\n","\t","\r","\r\n", "","","
        
","
        
","
        
"); $p_change_line_in_excel_cell = ''; echo "
        
         "; echo "
         
           "; foreach($head as $v){ echo "
           "; } echo "
          "; // 逐行取出数据，节约内存 while ($res = mysql_fetch_assoc($query)) { echo "
          
           "; echo "
           "; echo "
           "; echo"
          "; } echo "
         
          ".iconv('utf-8','gb2312',$v)."
".$res['id']." ".iconv('utf-8', 'gb2312', $res['xxx']."
        "; }
        
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The above is the entire content of this article, I hope it will be helpful to everyone's study.

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