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1\t表头2\t表头3\n";
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.uoften.com
//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.uoften.com
$data = array();
for($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>';