<?php

    include("conn.php"); //链接数据库
    require_once 'PHPExcel/Classes/PHPExcel.php';
    require_once 'PHPExcel/Classes/PHPExcel/IOFactory.php';
    require_once 'PHPExcel/Classes/PHPExcel/Reader/Excel5.php';
header("Content-type: text/html; charset=utf-8");
$path = $_FILES['file']['tmp_name'];
//print_r($path);die;
$objReader = PHPExcel_IOFactory::createReader('Excel2007'); //use Excel5 for 2003 format
$objPHPExcel = $objReader->load($path);
$sheet = $objPHPExcel->getSheet(0);
$highestRow = $sheet->getHighestRow();           //取得总行数
$highestColumn = $sheet->getHighestColumn(); //取得总列数
for($j=2;$j<=$highestRow;$j++)                        //从第二行开始读取数据
{
    $str="";
    for($k='A';$k<=$highestColumn;$k++)            //从A列读取数据
    {
        $str .=$objPHPExcel->getActiveSheet()->getCell("$k$j")->getValue().',';//读取单元格
    }
//    var_dump($str);die;
    $str=mb_convert_encoding($str,'UTF-8',"auto");//根据自己编码修改
//    $s = iconv('GBK', 'UTF-8', $str);
    $strs = explode(",",$str);
//    print_r($strs);die;
    $sql = "insert into data (contact_person,mobile_phone,address) values ('$strs[0]','$strs[1]','$strs[2]')";
//echo $sql;
    if(!mysqli_query($connect,$sql))
    {
        echo 'no';
    }

}
echo "导入成功";

conn.php

$connect = mysqli_connect('ip','root','密码','dnmalldev') or die('数据库服务器连接错误');