resetAttachment method
重置自定义外部输入
key
当前组的字段
Implementation
void resetAttachment([String? key]) {
if (attachment.isEmpty) {
return;
}
for (var element in attachment) {
if (key != null) {
if (element.groupKey == key) {
element.reset();
break;
}
} else {
element.reset();
}
}
}