原生 PHP 实现的网页导出和导入excel文件实例，包括上传也是用的原生。还可在exportExcel方法里设置字体等表格样式。
导出和导入表单代码：
<p style="margin:10px 0"><a href="export.php" class="btn">导出</a></p>
<form action="import.php" method="post" enctype="multipart/form-data">
<div class="control-group">
<label>Excel表格：</label>
<input type="file" name="file"/>
</div>
<div class="control-group">
<input type="submit" value="导入" />
</div>
</form>
excel导出：
$query = mysql_query("select * from user limit 50");
$i =0;
$list = array();
while($row=mysql_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', $title);
exportExcel方法代码：
function exportExcel($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');
}
excel导入：
$tmp = $_FILES['file']['tmp_name'];
if (empty($tmp)) {
echo '请选择要导入的Excel文件！';
exit;
}
$save_path = "uploads/";
$filename = $save_path . date('Ymdhis') . ".xls"; //上传后的文件保存路径和名称
if (copy($tmp, $filename)) {
require_once 'PHPExcel.class.php';
require_once 'PHPExcel/Reader/Excel5.php';
$PHPReader = new PHPExcel_Reader_Excel5(); //PHPExcel_Reader_Excel2007 PHPExcel_Reader_Excel5
//载入文件
$PHPExcel = $PHPReader->load($filename);
//获取表中的第一个工作表，如果要获取第二个，把0改为1，依次类推
$currentSheet = $PHPExcel->getSheet(0);
//获取总列数
$allColumn = $currentSheet->getHighestColumn();
//获取总行数
$allRow = $currentSheet->getHighestRow();
//循环获取表中的数据，$currentRow表示当前行，从哪行开始读取数据，索引值从0开始
for ($currentRow = 1; $currentRow <= $allRow; $currentRow++) {
//从哪列开始，A表示第一列
for ($currentColumn = 'A'; $currentColumn <= $allColumn; $currentColumn++) {
//数据坐标
$address = $currentColumn . $currentRow;
//读取到的数据，保存到数组$arr中
$data[$currentRow][$currentColumn] = $currentSheet->getCell($address)->getValue();
}
}
$add_time = date('Y-m-d H:i:s', time());
foreach ($data as $k => $v) {
if ($k > 1) {
$sql = "insert into user (username,password) values ('" . $v['B'] . "', '" . $v['C'] . "')";
mysql_query($sql);
}
}
$sql = "SELECT * FROM user";
$result = mysql_query($sql);
$tip = '用户导入成功' . '，现在' . mysql_num_rows($result) . '条数据了！';
echo "<script>alert('" . $tip . "');history.go(-1);</script>";
exit;
}
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