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- function csv_export($data = array(), $title = array(), $fileName) {
- header('Content-Type: application/vnd.ms-excel');
- header('Content-Disposition: attachment;filename="'.$fileName.'.csv"');
- header('Cache-Control: max-age=0');
- //打开PHP文件句柄,php://output 表示直接输出到浏览器
- $fp = fopen('php://output', 'a');
- //输出Excel列名信息
- foreach ($title as $key => $value) {
- //CSV的Excel支持GBK编码,一定要转换,否则乱码
- $title[$key] = iconv('utf-8', 'gbk', $value);
- }
- //将数据通过fputcsv写到文件句柄
- fputcsv($fp, $title);
- //计数器
- $num = 0;
- //每隔$limit行,刷新一下输出buffer,不要太大,也不要太小
- $limit = 100000;
- //逐行取出数据,不浪费内存
- $count = count($data);
- for ($i = 0; $i < $count; $i++) {
- $num++;
- //刷新一下输出buffer,防止由于数据过多造成问题
- if ($limit == $num) {
- ob_flush();
- flush();
- $num = 0;
- }
- $row = $data[$i];
- foreach ($row as $key => $value) {
- $row[$key] = iconv('utf-8', 'gbk', $value);
- }
- fputcsv($fp, $row);
- }
- }
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