export static method
导出文件 outPath
导出文件路径
Implementation
static Future<void> export(String outPath) async {
var databasesPath = await getDatabasesPath();
var dbFileNames = [NAME, 'nian.db'];
for (var name in dbFileNames) {
String path = join(databasesPath, name);
File file = File(path);
if (file.existsSync()) {
file.copy(outPath + name);
}
}
}