74 lines
2.6 KiB
PHP
74 lines
2.6 KiB
PHP
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<?php
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namespace common\services;
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class ExportService
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{
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//导出
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public function export($headlist,$Name,$class)
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{
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ini_set("memory_limit", "2048M");
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set_time_limit(0);
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$params = \Yii::$app->request->post();
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$data = $class->inventory($params);
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//设置导出的文件名
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$fileName = iconv('utf-8', 'gbk', "$Name" . date("Y-m-d"));
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header('Content-Type: application/vnd.ms-excel');
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//指明导出的格式
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header('Content-Disposition: attachment;filename="' . $fileName . '.xsl"');
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header('Cache-Control: max-age=0');
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//打开PHP文件句柄,php://output 表示直接输出到浏览器
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$fp = fopen('php://output', 'a');
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//输出Excel列名信息
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foreach ($headlist as $key => $value) {
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//CSV的Excel支持GBK编码，一定要转换，否则乱码
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$headlist[$key] = $value;
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}
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//将数据通过fputcsv写到文件句柄
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fputcsv($fp, $headlist);
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//每隔$limit行，刷新一下输出buffer，不要太大，也不要太小
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$limit = 100000;
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//逐行取出数据，不浪费内存
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foreach ($data as $k => $v) {
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//刷新一下输出buffer，防止由于数据过多造成问题
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if ($k % $limit == 0 && $k != 0) {
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ob_flush();
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flush();
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}
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$row = $data[$k];
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foreach ($row as $key => $value) {
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$row[$key] = $value;
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}
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fputcsv($fp, $row);
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}
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}
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public static function ExportByCors($parameter)
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{
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ini_set("memory_limit", "2048M");
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set_time_limit(0);
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if (is_array($parameter)) {
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$filename = date('Y-m-d_H-i-s') . '.csv';
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// header('Content-Type: application/vnd.ms-excel');
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header('Content-Type: application/json');
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header('Access-control-Allow-Origin:*');
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header("Content-Disposition: attachment;filename=$filename");
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header('Cache-Control: max-age=0');
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$fp = fopen('php://output', 'w');
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fwrite($fp,chr(0xEF).chr(0xBB).chr(0xBF));
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if ( ! empty($parameter['header']) && is_array($parameter['header'])) {
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fputcsv($fp, $parameter['header']);
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}
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if (isset($parameter['data'])) {
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foreach ($parameter['data'] as $row) {
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fputcsv($fp, $row);
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}
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exit();
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}
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return true;
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}
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// throw new \yii\web\HttpException(500, "Not a valid parameter!");
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}
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}
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