【代码实现】PHP导入Excel和导出数据为Excel文件

 include_once("excel/reader.php"); //引入PHP-ExcelReader $tmp = $_FILES['file']['tmp_name']; if (empty ($tmp)) {     echo '请选择要导入的Excel文件！';     exit; }      $save_path = "xls/"; $file_name = $save_path.date('Ymdhis') . ".xls"; //上传后的文件保存路径和名称 if (copy($tmp, $file_name)) {     $xls = new Spreadsheet_Excel_Reader();     $xls->setOutputEncoding('utf-8');  //设置编码     $xls->read($file_name);  //解析文件     for ($i=2; $isheets[0]['numRows']; $i++) {         $name = $xls->sheets[0]['cells'][$i][0];         $sex = $xls->sheets[0]['cells'][$i][1];         $age = $xls->sheets[0]['cells'][$i][2];         $data_values .= "('$name','$sex','$age'),";     }     $data_values = substr($data_values,0,-1); //去掉最后一个逗号     $query = mysql_query("insert into student (name,sex,age) values $data_values");//批量插入数据表中     if($query){         echo '导入成功！';     }else{         echo '导入失败！';     } } 

 $result = mysql_query("select * from student"); $str = "姓名\t性别\t年龄\t\n"; $str = iconv('utf-8','gb2312',$str); while($row=mysql_fetch_array($result)){     $name = iconv('utf-8','gb2312',$row['name']);     $sex = iconv('utf-8','gb2312',$row['sex']);     $str .= $name."\t".$sex."\t".$row['age']."\t\n"; } $filename = date('Ymd').'.xls'; exportExcel($filename,$str); 

 function exportExcel($filename,$content){      header("Cache-Control: must-revalidate, post-check=0, pre-check=0");     header("Content-Type: application/vnd.ms-execl");     header("Content-Type: application/force-download");     header("Content-Type: application/download");     header("Content-Disposition: attachment; filename=".$filename);     header("Content-Transfer-Encoding: binary");     header("Pragma: no-cache");     header("Expires: 0");      echo $content; }