<?php

/**
 * PHPEXCEL生成excel文件
 * @author:素材火  http://blog.csdn.net/winter13292/article/details/8123755
 * @desc 支持任意行列数据生成excel文件，暂未添加单元格样式和对齐
 */

include_once('connect.php');

//$list = array(
//    array('id' => '1', 'email' => "87423050@qq.com", 'password' => 'sucaihuo.com'),
//    array('id' => '2', 'email' => '41614@qq.com', 'password' => 'hjl666666'),
//    array('id' => '3', 'email' => 'zhangliao@163.com', 'password' => 'zhangqirui'),
//);
$query = mysqli_query($conn, "select * from user limit 50");



 
$i =0;
$list = array();

 

while($row=mysqli_fetch_array($query)){ 
    $list[$i]['id'] = $row['id']; 
    $list[$i]['username'] = $row['username']; 
    $list[$i]['password'] = $row['password']; 
    $i++;
} 

$title = array('ID', '邮箱', '密码'); //设置要导出excel的表头
exportExcel($list, '素材火用户表', $title);

function exportExcel($data, $savefile = null, $title = null, $sheetname = 'sheet1') {
    require_once 'PHPExcel.class.php';
    //若没有指定文件名则为当前时间戳
    if (is_null($savefile)) {
        $savefile = time();
    }
    //若指字了excel表头，则把表单追加到正文内容前面去
    if (is_array($title)) {
        array_unshift($data, $title);
    }
    $objPHPExcel = new PHPExcel();
    //Excel内容
    $head_num = count($data);

    foreach ($data as $k => $v) {
        $obj = $objPHPExcel->setActiveSheetIndex(0);
        $row = $k + 1; //行
        $nn = 0;

        foreach ($v as $vv) {
            $col = chr(65 + $nn); //列
            $obj->setCellValue($col . $row, $vv); //列,行,值
            $nn++;
        }
    }
    //设置列头标题
    for ($i = 0; $i < $head_num - 1; $i++) {
        $alpha = chr(65 + $i);
        $objPHPExcel->getActiveSheet()->getColumnDimension($alpha)->setAutoSize(true); //单元宽度自适应 
        $objPHPExcel->getActiveSheet()->getStyle($alpha . '1')->getFont()->setName("Candara");  //设置字体
        $objPHPExcel->getActiveSheet()->getStyle($alpha . '1')->getFont()->setSize(12);  //设置大小
        $objPHPExcel->getActiveSheet()->getStyle($alpha . '1')->getFont()->getColor()->setARGB(PHPExcel_Style_Color::COLOR_BLACK); //设置颜色
        $objPHPExcel->getActiveSheet()->getStyle($alpha . '1')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER); //水平居中
        $objPHPExcel->getActiveSheet()->getStyle($alpha . '1')->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER); //垂直居中
        $objPHPExcel->getActiveSheet()->getStyle($alpha . '1')->getFont()->setBold(true); //加粗
    }

    $objPHPExcel->getActiveSheet()->setTitle($sheetname); //题目
    $objPHPExcel->setActiveSheetIndex(0); //设置当前的sheet  
    header('Content-Type: application/vnd.ms-excel');
    header('Content-Disposition: attachment;filename="' . $savefile . '.xls"');//文件名称
    header('Cache-Control: max-age=0');
    $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5'); //Excel5
    $objWriter->save('php://output');
}


?>