$uploadUrl, CURLOPT_POST => true, CURLOPT_POSTFIELDS => [ 'action' => 'upload', 'files' => new CURLFile('test_upload.txt') ], CURLOPT_RETURNTRANSFER => true, CURLOPT_HTTPHEADER => [ 'Content-Type: multipart/form-data' ] ]); echo "正在测试文件上传功能...\n"; $response = curl_exec($ch); curl_close($ch); if ($response) { $result = json_decode($response, true); echo "上传结果:\n"; echo json_encode($result, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE); } else { echo "上传失败:无法连接到服务器\n"; } // 清理测试文件 @unlink('test_upload.txt'); ?>