/**
* 一次选中多个文件进行上传，请使用name="files[]" multiple="multiple"上传
* <input type="file" accept="image/gif, image/jpeg, image/png, image/jpg" name="files[]" multiple="multiple">
* @return string[] 多个来自七牛的预览网址
*/
public static function actionUploadMultipleFiles()
{
$fileSizeMax = 5 * 1024 * 1024;
$fileTypeAllowed = array('jpg', 'png', 'jpeg', 'gif', 'doc', 'docx', 'pdf');
if (!array_key_exists('files', $_FILES) || count($_FILES['files']) == 0) {
return Utility::getArrayForResults(RUNTIME_CODE_ERROR_UNKNOWN, '没有发现上传的文件，请检查。');
}
$upload_file = $_FILES['files'];
$previewUrls = array();
for ($i = 0; $i < count($upload_file['name']); $i++) {
if ($upload_file["size"][$i] > 0) {
$file_tmp_path = $upload_file["tmp_name"][$i];
$file_type = pathinfo($upload_file["name"][$i], PATHINFO_EXTENSION);
if (isset($fileTypeAllowed) && !in_array(strtolower($file_type), $fileTypeAllowed)) {
Utility::getArrayForResults(RUNTIME_CODE_ERROR_PARAM, '提示：不支持上传该' . $file_type . '类型的文件，支持:' . implode('、', $fileTypeAllowed));
}
if ($upload_file["size"] > $fileSizeMax) {
Utility::getArrayForResults(RUNTIME_CODE_ERROR_PARAM, '错误，文件大小不可超过' . $fileSizeMax . '字节。');
}
if ($upload_file["size"][$i] > 5 * 1024 * 1024) {
return Utility::getArrayForResults(RUNTIME_CODE_ERROR_UNKNOWN, '错误，文件大小不可超过5MB。');
}
$file_tmp_path_type = $file_tmp_path . '.' . $file_type;
rename($file_tmp_path, $file_tmp_path_type);
$previewUrls[] = W2Qiniu::uploadAndReturnQiniuPreviewUrl($file_tmp_path_type);
}
}
return Utility::getArrayForResults(RUNTIME_CODE_OK, '', $previewUrls);
}
