PHP导入导出Excel代码

<?php
//传入要导入的excel的文件名
function import_to_db($filename) {
  require_once'reader.php';
  $data = new spreadsheet_excel_reader();   //创建读取excel的对象
  $data->setoutputencoding('utf-8');  //设置读取excel内容后输出的字符编码
  $data->read("data/excel/{$filename}.xls");
  $db = mysql_connect('localhost', '用户名', '密码') or die("could not connect to database."); //连接数据库  
  mysql_query("set names 'uft8'"); //输出中文  
  mysql_select_db('数据库名'); //选择数据库  
  error_reporting(e_all ^ e_notice);
  for ($i = 1; $i <= $data->sheets[0]['numrows']; $i++) {
    echo $data->sheets[0]['cells'][$i][列数];
    //这里可以把每一行相应列的值插到数据库中，如：
    /*
    $sql="insert "表名" values(对应项...)";
    mysql_query($sql);
    可加上错误判断
    */ 
  } 
?>    

header('content-type: text/html; charset=utf-8');
header("content-type:application/vnd.ms-excel;charset=utf-8"); //application/vnd.ms-excel指定输出excel格式
header("content-disposition:filename=表格文件名.xls"); //输出的表格名称

<?php 
header('content-type: text/html; charset=utf-8');
header("content-type:application/vnd.ms-excel;charset=utf-8"); 
header("content-disposition:filename=表格文件名.xls");
$conn = mysql_connect("localhost","root","数据库密码") or die("不能连接数据库");
mysql_select_db("数据库名", $conn);
mysql_query("set names 'utf-8'");
$sql="select * from 表名 where 条件";

$result=mysql_query($sql);
echo "表头1t表头2t表头3n";
while($row=mysql_fetch_array($result)){
  echo $row[0]."t".$row[1]."t".$row[2]."n";
}
?>

<?php
//载入phpexcel类
require './phpexcel/phpexcel.php';
//创建一个excel对象实例
$objphpexcel = new phpexcel();
//设置文档基本属性
$objprops = $objphpexcel->getproperties();
$objprops->setcreator("lao mao");
$objprops->setlastmodifiedby("lao mao");
$objprops->settitle("office xls test document");
$objprops->setsubject("office xls test document, demo");
$objprops->setdescription("test document, generated by phpexcel.");
$objprops->setkeywords("office excel phpexcel");
$objprops->setcategory("test");
//设置当前的sheet索引，用于后续的内容操作。
//一般只有在使用多个sheet的时候才需要显示调用。
//缺省情况下，phpexcel会自动创建第一个sheet被设置sheetindex=0
$objphpexcel->setactivesheetindex(0);
//设置当前活动sheet的名称
$objactsheet = $objphpexcel->getactivesheet();
$objactsheet->settitle('测试sheet');
//设置单元格内容www.jb51.net
//这里的数据可以从数据库中读取，然后再做循环处理
$objphpexcel->getactivesheet()->setcellvalue('a1', 'a1');
$objphpexcel->getactivesheet()->setcellvalue('a2', 'a2');
$objphpexcel->getactivesheet()->setcellvalue('a3', 'a3');
$objphpexcel->getactivesheet()->setcellvalue('a4', 'a4');
$objphpexcel->getactivesheet()->setcellvalue('a5', 'a5');
$objphpexcel->getactivesheet()->setcellvalue('b1', 'b1');
$objphpexcel->getactivesheet()->setcellvalue('b2', 'b2');
$objphpexcel->getactivesheet()->setcellvalue('b3', 'b3');
$objphpexcel->getactivesheet()->setcellvalue('b4', 'b4');
$objphpexcel->getactivesheet()->setcellvalue('b5', 'b5');
$objphpexcel->getactivesheet()->setcellvalue('c1', 'c1');
$objphpexcel->getactivesheet()->setcellvalue('c2', 'c2');
$objphpexcel->getactivesheet()->setcellvalue('c3', 'c3');
$objphpexcel->getactivesheet()->setcellvalue('c4', 'c4');
$objphpexcel->getactivesheet()->setcellvalue('c5', 'c5');
//输出文档
$objwriter = new phpexcel_writer_excel5($objphpexcel);
//设置header头部信息，并输出到浏览器
//header('content-type: application/vnd.ms-excel');
//header("content-disposition:attachment; filename=demo.xls");
//header('cache-control: max-age=0');
//$objwriter->save('php://output');
//保存至某一位置
$objwriter->save(dirname(__file__) . '/demo.xls');

<?php
//载入phpexcel类
include(dirname(__file__).'/phpexcel/phpexcel.php');
$obj = new phpexcel_reader_excel5();
$obj->setreaddataonly(true);
//读取demo.xls文件
$phpexcel = $obj->load(dirname(__file__).'/output.xls');
//获取当前活动sheet
$objworksheet = $phpexcel->getactivesheet();
//获取行数
$highestrow = $objworksheet->gethighestrow();
//获取列数
$highestcolumn = $objworksheet->gethighestcolumn();
$highestcolumnindex = phpexcel_cell::columnindexfromstring($highestcolumn);
//循环输出数据 www.jb51.net
$data = array();
for($row = 1; $row <= $highestrow; ++$row) {
 for($col = 0; $col < $highestcolumnindex; ++$col) {
 $val = $objworksheet->getcellbycolumnandrow($col, $row)->getvalue();
 $data[$row][$col] = trim($val);
 }
}
echo '<pre>';
print_r($data);
echo '</pre>';