Upload.php
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<?php
declare(strict_types=1);
namespace app\controller\api;
use app\BaseController;
use app\service\AuthContext;
class Upload extends BaseController
{
public function image()
{
if (!AuthContext::mpUser()) {
return json(['code' => 401, 'msg' => '未授权', 'data' => []]);
}
$file = $this->request->file('file');
if (!$file) {
return json(['code' => 400, 'msg' => '请选择文件', 'data' => []]);
}
$max = 10 * 1024 * 1024;
if ($file->getSize() > $max) {
return json(['code' => 400, 'msg' => '文件不能超过 10MB', 'data' => []]);
}
$ext = strtolower((string) $file->extension());
if (!in_array($ext, ['jpg', 'jpeg', 'png', 'webp', 'gif'], true)) {
return json(['code' => 400, 'msg' => '仅支持 jpg/png/webp/gif', 'data' => []]);
}
$subdir = date('Ymd');
$root = public_path() . 'uploads' . DIRECTORY_SEPARATOR . $subdir;
if (!is_dir($root) && !mkdir($root, 0755, true) && !is_dir($root)) {
return json(['code' => 500, 'msg' => '无法创建上传目录', 'data' => []]);
}
$saveName = bin2hex(random_bytes(8)) . '.' . $ext;
$file->move($root, $saveName);
$url = '/uploads/' . $subdir . '/' . $saveName;
return json(['code' => 0, 'msg' => 'ok', 'data' => ['url' => $url]]);
}
}