phpexcel import excel to mysql database (example)

2，执行页面insertdb.php

session_start();
header("Content-type:text/html;charset:utf-8");
//全局变量
$succ_result=0;
$error_result=0;
$file=$_FILES['filename'];
$max_size="2000000"; //最大文件限制（单位：byte）
$fname=$file['name'];
$ftype=strtolower(substr(strrchr($fname,'.'),1));
 //文件格式
 $uploadfile=$file['tmp_name'];
 if($_SERVER['REQUEST_METHOD']=='POST'){
     if(is_uploaded_file($uploadfile)){
          if($file['size']>$max_size){
         echo "Import file is too large";
         exit;
         }
          if($ftype!='xls'){
         echo "Import file type is error";
          exit;
         }
     }else{
     echo "The file is not empty!";
      exit;
     }
 }
require("./conn.php");  //连接mysql数据库
//调用phpexcel类库
require_once 'phpexcel.php';
require_once 'PHPExcelIOFactory.php';
require_once 'PHPExcelReaderExcel5.php';
$objReader = PHPExcel_IOFactory::createReader('Excel5');//use excel2007 for 2007 format
$objPHPExcel = $objReader->load($uploadfile);
$sheet = $objPHPExcel->getSheet(0);
$highestRow = $sheet->getHighestRow(); // 取得总行数
$highestColumn = $sheet->getHighestColumn(); // 取得总列数
  $arr_result=array();
  $strs=array();
for($j=2;$j<=$highestRow;$j++)
 {
    unset($arr_result);
    unset($strs);
 for($k='A';$k<= $highestColumn;$k++)
    {
     //读取单元格
  $arr_result  .= $objPHPExcel->getActiveSheet()->getCell("$k$j")->getValue().',';
    }
 $strs=explode(",",$arr_result);
 $sql="insert into student(typeId,name,sex,age) values ($strs[0],'$strs[1]','$strs[2]',$strs[3])";
 echo $sql."";
 mysql_query("set names utf8");
 $result=mysql_query($sql) or die("执行错误");
 $insert_num=mysql_affected_rows();
  if($insert_num>0){
        $succ_result+=1;
    }else{
        $error_result+=1;
   }
}
echo "插入成功".$succ_result."条数据！！！";
echo "插入失败".$error_result."条数据！！！";
?>