2021-01-29 16:21:26 +08:00

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<?php
// +----------------------------------------------------------------------
// | ThinkAdmin
// +----------------------------------------------------------------------
// | 版权所有 2014~2021 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: https://gitee.com/zoujingli/ThinkLibrary
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | gitee 代码仓库https://gitee.com/zoujingli/ThinkLibrary
// | github 代码仓库https://github.com/zoujingli/ThinkLibrary
// +----------------------------------------------------------------------
declare (strict_types=1);
namespace think\admin\extend;
/**
* 导出 CSV 文件扩展
* Class ExcelExtend
* @package think\admin\extend
*/
class ExcelExtend
{
/**
* 设置写入 CSV 文件头部
* @param string $name 导出文件名称
* @param array $headers 表格头部(一维数组)
*/
public static function header(string $name, array $headers): void
{
header('Content-Type: application/octet-stream');
header("Content-Disposition: attachment; filename=" . iconv('utf-8', 'gbk//TRANSLIT', $name));
$handle = fopen('php://output', 'w');
foreach ($headers as $key => $value) {
$headers[$key] = iconv("utf-8", "gbk//TRANSLIT", $value);
}
fputcsv($handle, $headers);
if (is_resource($handle)) {
fclose($handle);
}
}
/**
* 设置写入CSV文件内容
* @param array $list 数据列表(二维数组)
* @param array $rules 数据规则(一维数组)
*/
public static function body(array $list, array $rules): void
{
$handle = fopen('php://output', 'w');
foreach ($list as $data) {
$rows = [];
foreach ($rules as $rule) {
$rows[] = static::parseKeyDotValue($data, $rule);
}
fputcsv($handle, $rows);
}
if (is_resource($handle)) {
fclose($handle);
}
}
/**
* 根据数组key查询(可带点规则)
* @param array $data 数据
* @param string $rule 规则,如: order.order_no
* @return string
*/
public static function parseKeyDotValue(array $data, string $rule): string
{
[$temp, $attr] = [$data, explode('.', trim($rule, '.'))];
while ($key = array_shift($attr)) $temp = $temp[$key] ?? $temp;
return (is_string($temp) || is_numeric($temp)) ? @iconv('utf-8', 'gbk//TRANSLIT', "{$temp}") : '';
}
}