PHP导出基类（PHPExcel，PhpSpreadsheet）

PHP导出常用的导出类（PHPExcel，PhpSpreadsheet -->通过composer自行拉取到对应的项目下）

1：PHPExcel基类

<?php
namespace LYJ\Leyangjun;use PHPExcel;
use PHPExcel_Writer_Excel5;
use PHPExcel_Writer_Excel2007;
use PHPExcel_IOFactory;
use PHPExcel_Reader_IReadFilter;
use PHPExcel_Cell_DataType;/*** excel导出** Class Excel* @package Mt\Lib** 使用方式* use Mt\Lib\Excel;* $Excel = Excel::getInstance(['is_xlsx'=>true]);* $data = [['name'=>'cbs'],['name' => 'cbss']];* $Excel->export('cbstest.xlsx', $data, ['name'=>'名字']);*/
class Excel
{private static $instances;private $objExcel;private $objWriter;private $is_xlsx = false;//是否要用Excel2007，默认为Excel5public function __contruct() {}// 单例模式，不能用系统自带的因为权限问题。public static function getInstance(){$className = get_called_class();$args = func_get_args();//若$args中有resource类型的参数,则无法区分同一个类的不同实例$key = md5($className . ':' . serialize($args));if (!isset(self::$instances[$key])) {//PHP_VERSION >= 5.6.0self::$instances[$key] = new $className(...$args);}return self::$instances[$key];}public function __construct($config=null){if(isset($config['is_xlsx']) && $config['is_xlsx']){$this->is_xlsx = true;}}/*** 把数据格式化为指定的格式* @param $obj_sheet 'PHPExcel_Worksheet'* @param $column* @param $row* @param $item* @param $format* @param $row_data*/private function format_item(&$obj_sheet,$column,$row,$item,$format,$row_data){$format_arr = explode(':',$format);$format = $format_arr[0];switch($format){//把时间戳转成日期时间格式case 'datetime':$result = date('Y-m-d H:i:s',$item);$obj_sheet->setCellValueExplicitByColumnAndRow($column,$row,$result,PHPExcel_Cell_DataType::TYPE_STRING2);break;//把时间戳转成日期格式case 'date':$result = date('Y-m-d',$item);$obj_sheet->setCellValueExplicitByColumnAndRow($column,$row,$result,PHPExcel_Cell_DataType::TYPE_STRING2);break;//把秒数转成'N天N时N分N秒'时长格式case 'duration':$result = '';$day = (int)($item/86400);$hour = (int)(($item%86400)/3600);$minute = (int)(($item%3600)/60);$sec = (int)($item%60);if($day > 0){$result .= $day.'天';}if($day > 0 || $hour > 0){$result .= $hour.'时';}if($day > 0 || $hour > 0 || $minute > 0){$result .= $minute.'分';}$result .= $sec.'秒';$obj_sheet->setCellValueExplicitByColumnAndRow($column,$row,$result,PHPExcel_Cell_DataType::TYPE_STRING2);break;//把数据转成超链接，格式：text_item@url:link_item_key:tooltip_item_keycase 'url':$result = $item;$link_item_key = isset($format_arr[1]) ? $format_arr[1] : '';$link_item = isset($row_data[$link_item_key]) ? $row_data[$link_item_key] : '';$tooltip_item_key = isset($format_arr[2]) ? $format_arr[2] : '';$tooltip_item = isset($row_data[$tooltip_item_key]) ? $row_data[$tooltip_item_key] : '';$obj_sheet->setCellValueExplicitByColumnAndRow($column,$row,$result,PHPExcel_Cell_DataType::TYPE_STRING2);if($result && $link_item){$obj_sheet->getCellByColumnAndRow($column,$row)->getHyperlink()->setUrl($link_item);}if($result && $link_item && $tooltip_item){$obj_sheet->getCellByColumnAndRow($column,$row)->getHyperlink()->setTooltip($tooltip_item);}break;//不管是数字还是字符串都转为字符串格式case 'string':$result = $item;$obj_sheet->setCellValueExplicitByColumnAndRow($column,$row,$result,PHPExcel_Cell_DataType::TYPE_STRING2);break;default:$result = $item;$data_type = is_numeric($item) && $item <= 4294967295 ? PHPExcel_Cell_DataType::TYPE_NUMERIC: PHPExcel_Cell_DataType::TYPE_STRING2;$obj_sheet->setCellValueExplicitByColumnAndRow($column,$row,$result,$data_type);break;}return $result;}/*** 导出为Excel文件* 若有指定$header，且$header元素没指定key则$data列的顺序要与$header对应；* 若有指定$header,且$header元素有指定key，则key要与数据库表字段一致* @param $filename* @param $data* @param array $header* @param string $dir 导出到目录(默认是导出到标准输出流)*/public function export($filename,$data,$header=array(),$dir = null){$this->objExcel = new PHPExcel();$this->objWriter = $this->is_xlsx ? new \PHPExcel_Writer_Excel2007($this->objExcel) : new \PHPExcel_Writer_Excel5($this->objExcel);$this->objExcel->setActiveSheetIndex(0);$objActSheet = $this->objExcel->getActiveSheet();$row = 1;if($header){$column = 0;foreach($header as $item){$objActSheet->setCellValueExplicitByColumnAndRow($column,$row,$item);$objActSheet->getStyleByColumnAndRow($column,$row)->getFont()->setBold(true);$column++;}$row++;}if($data){$header_keys = array_keys($header);foreach($data as $row_data){$column = 0;if($header){reset($row_data);foreach($header_keys as $key){$item = '';$format = '';if(is_numeric($key)){$current_row = each($row_data);$item = $current_row['value'];}else{list($row_key,$format) = explode('@',$key);$item = $row_data[$row_key];}$this->format_item($objActSheet,$column,$row,$item,$format,$row_data);$column++;}}else{foreach($row_data as $item){$data_type = is_numeric($item) && $item <= 4294967295 ? PHPExcel_Cell_DataType::TYPE_NUMERIC: PHPExcel_Cell_DataType::TYPE_STRING2;$objActSheet->setCellValueExplicitByColumnAndRow($column,$row,$item,$data_type);$column++;}}$row++;}}if ($dir) {if (is_writable($dir)) {$filename = $dir . $filename;$this->objWriter->save($filename);}return;}header('Content-Type: application/force-download');header('Content-Type: application/octet-stream');header('Content-Type: application/download');header('Content-Disposition:inline;filename="'.$filename.'"');header('Content-Transfer-Encoding: binary');header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');header('Cache-Control: must-revalidate, post-check=0, pre-check=0');header('Pragma: no-cache');$this->objWriter->save('php://output');}public function import($filename){$this->objExcel = \PHPExcel_IOFactory::load($filename);$worksheet = $this->objExcel->getActiveSheet()->toArray();return $worksheet;}/*** 读取excel转换成数组,和import方法不同,该方法会读取指定的行数,避免占用内存过大* @param string $excelFile 文件路径* @param string $excelType excel后缀格式: CSV,* @param int $startRow 开始读取的行数* @param int $endRow 结束读取的行数* @param array $columns 读取列* @return array*/public function readFromExcel($excelFile, $excelType = null, $startRow = 1, $endRow = null, $columns = array()){if ($excelType == 'CSV') {return $this->readFromCsv($excelFile, $startRow, $endRow, $columns);}$excelReader = \PHPExcel_IOFactory::createReader($excelType);// 设置过滤器$perf = new PHPExcelReadFilter();$perf->startRow = $startRow;$perf->endRow = $endRow;$perf->columns = $columns;$excelReader->setReadFilter($perf);$phpexcel = $excelReader->load($excelFile);$activeSheet = $phpexcel->getActiveSheet();if (!$endRow) {$endRow = $activeSheet->getHighestRow(); //总行数}$highestColumn = $activeSheet->getHighestColumn(); //最后列数所对应的字母，例如第2行就是B$highestColumnIndex = \PHPExcel_Cell::columnIndexFromString($highestColumn); //总列数$columnNums = array();foreach ($columns as $c) {$columnNums[] = \PHPExcel_Cell::columnIndexFromString($c);}$data = array();for ($row = $startRow; $row <= $endRow; $row++) {for ($col = 0; $col < $highestColumnIndex; $col++) {if ($columnNums && !in_array(($col + 1), $columnNums)) {continue;}$data[$row][] = (string)$activeSheet->getCellByColumnAndRow($col, $row)->getValue();}}return $data;}/*** 读取excel转换成数组,和import方法不同,该方法会读取指定的行数,避免占用内存过大* @param string $excelFile 文件路径* @param int $startRow 开始读取的行数* @param int $endRow 结束读取的行数* @param array $columns 读取列* @return array*/private function readFromCsv($excelFile, $startRow = 1, $endRow = null, $columns = array()){$columnNums = array();foreach ($columns as $c) {$columnNums[] = \PHPExcel_Cell::columnIndexFromString($c);}$result = array();$f = fopen($excelFile, "r");$row = 0;while ($line = fgets($f)) {$row++;if ($row < $startRow) {continue;}if ($endRow && $row > $endRow) {continue;}$line = mb_convert_encoding($line, 'UTF-8', 'GBK');$content = explode(',', $line);if (!$columnNums) {$result[] = $content;continue;}$tmp = array();foreach ($columnNums as $columnNum) {$tmp[] = $content[$columnNum - 1];}$result[] = $tmp;}return $result;}}/*** 读取excel过滤器*/
class PHPExcelReadFilter implements PHPExcel_Reader_IReadFilter
{public $startRow = 1;public $endRow = null;public $columns = array();public function readCell($column, $row, $worksheetName = ''){if ($row < $this->startRow) {return false;}if ($this->endRow && $row > $this->endRow) {return false;}if ($this->columns && !in_array($column, $this->columns)) {return false;}return true;}
}## 2：PhpSpreadsheet基类
```php
<?php
namespace LYJ\Leyangjun;use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
use PhpOffice\PhpSpreadsheet\Reader\Xls;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\Style\Fill;
use PhpOffice\PhpSpreadsheet\Style\Color;
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Style\Border;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;class PhpSpreadsheetExcel
{/*** 导出Excel* @param  string $fileName 文件名称* @param  array  $headArr  Excel标题头数组 [['name'=>'标题1', 'width'=>20]] width默认可以没有* @param  array  $data     数据内容* @param  array  $options  自定义配置信息 ['width'=>15] 目前只有宽度，后续可以增加，可以设置默认宽度* @param  string $suffix   文件后缀，xlsx 和 xls* @return bool*/static function exportExcel($fileName = '', $headArr = [], $data = [], $options = [], $suffix = 'xlsx'){@ini_set('memory_limit', '2048M');@set_time_limit(0);if (!$headArr || !$data || !is_array($data)) {return false;}$fileName   .= "_" . date("YmdHis");$spreadsheet = new Spreadsheet();$objPHPExcel = $spreadsheet->getActiveSheet();// 设置表头$colum = 'A';foreach ($headArr as $v) {$objPHPExcel->setCellValue($colum . '1', $v);$colum++;}$column = 2;// 行写入foreach ($data as $key => $rows) {$span = 'A';// 列写入foreach ($rows as $keyName => $value) {$objPHPExcel->setCellValue($span . $column, $value);$span++;}$column++;}// 重命名表（UTF8编码不需要这一步）if (mb_detect_encoding($fileName) != "UTF-8") {$fileName = iconv("utf-8", "gbk//IGNORE", $fileName);}// 清理缓存ob_end_clean();if ($suffix == 'xlsx') {header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');$class = "\PhpOffice\PhpSpreadsheet\Writer\Xlsx";} elseif ($suffix == 'xls') {header('Content-Type:application/vnd.ms-excel');$class = "\PhpOffice\PhpSpreadsheet\Writer\Xls";}header('Content-Disposition: attachment;filename="' . $fileName . '.' . $suffix . '"');header('Cache-Control: max-age=0');$writer = new $class($spreadsheet);$writer->save('php://output');// 删除清空 释放内存$spreadsheet->disconnectWorksheets();unset($spreadsheet);exit;}/*** 导出csv文件* @param  string $fileName 文件名称* @param  array  $headArr  Excel标题头数组* @param  array  $data     数据内容* @return mixed*/public function exportCsv($fileName = '', $headArr = [], $data = []){@ini_set('memory_limit', '2048M');@set_time_limit(0);if (!$headArr || !$data || !is_array($data)) {return false;}try {setlocale(LC_ALL, 'en_US.UTF-8');// 输出 Excel 文件头$fileName = empty($fileName) ? date('YmdHis') : $fileName . '_' . date('YmdHis');$fileName = $fileName . ".csv";$string   = "";$string  .= implode(',', $headArr) . "\n";//首先写入表格标题栏foreach ($data as $key => $value) {foreach ($value as $k => $val) {$value[$k] = $val;}$string .= implode(",", $value) . "\n"; //用英文逗号分开}ob_end_clean();header("Content-type:text/csv");header("Content-Disposition:attachment;filename=" . $fileName);header('Cache-Control:must-revalidate,post-check=0,pre-check=0');header('Expires:0');header('Pragma:public');echo iconv('UTF-8', 'GBK//IGNORE', $string);exit;} catch (\Exception $e) {return $e->getMessage();}}/*** 使用PHPEXECL导入** @param string $file      文件地址* @param int    $sheet     工作表sheet(传0则获取第一个sheet)* @param int    $columnCnt 列数(传0则自动获取最大列)* @param array  $options   操作选项*  array mergeCells 合并单元格数组*  array formula    公式数组*  array format     单元格格式数组** @return mixed*/static function importExcel($file = '', $sheet = 0, $columnCnt = 0, &$options = ['format']){try {/* 转码 */$file = iconv("utf-8", "gb2312", $file);if (empty($file) OR !file_exists($file)) {throw new \Exception('文件不存在!');}/** @var Xlsx $objRead */$objRead = IOFactory::createReader('Xlsx');if (!$objRead->canRead($file)) {/** @var Xls $objRead */$objRead = IOFactory::createReader('Xls');if (!$objRead->canRead($file)) {throw new \Exception('只支持导入Excel文件！');}}/* 如果不需要获取特殊操作，则只读内容，可以大幅度提升读取Excel效率 */empty($options) && $objRead->setReadDataOnly(true);/* 建立excel对象 */$obj = $objRead->load($file);/* 获取指定的sheet表 */$currSheet = $obj->getSheet($sheet);if (isset($options['mergeCells'])) {/* 读取合并行列 */$options['mergeCells'] = $currSheet->getMergeCells();}if (0 == $columnCnt) {/* 取得最大的列号 */$columnH = $currSheet->getHighestColumn();/* 兼容原逻辑，循环时使用的是小于等于 */$columnCnt = Coordinate::columnIndexFromString($columnH);}/* 获取总行数 */$rowCnt = $currSheet->getHighestRow();$data   = [];/* 读取内容 */for ($_row = 1; $_row <= $rowCnt; $_row++) {$isNull = true;for ($_column = 1; $_column <= $columnCnt; $_column++) {$cellName = Coordinate::stringFromColumnIndex($_column);$cellId   = $cellName . $_row;$cell     = $currSheet->getCell($cellId);//if (isset($options['format'])) {/* 获取格式 */$format = $cell->getStyle()->getNumberFormat()->getFormatCode();/* 记录格式 */$options['format'][$_row][$cellName] = $format;//}if (isset($options['formula'])) {/* 获取公式，公式均为=号开头数据 */$formula = $currSheet->getCell($cellId)->getValue();if (0 === strpos($formula, '=')) {$options['formula'][$cellName . $_row] = $formula;}}if (isset($format) && 'm/d/yyyy' == $format) {/* 日期格式翻转处理 */$cell->getStyle()->getNumberFormat()->setFormatCode('yyyy/mm/dd');}$data[$_row][$cellName] = trim($currSheet->getCell($cellId)->getFormattedValue());if (!empty($data[$_row][$cellName])) {$isNull = false;}}/* 判断是否整行数据为空，是的话删除该行数据 */if ($isNull) {unset($data[$_row]);}}return $data;} catch (\Exception $e) {return $e->getMessage();}}
}

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PHP导出基类（PHPExcel，PhpSpreadsheet）

1：PHPExcel基类

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