loadCache function
加载缓存 缓存文件大小的字符串, 携带单位(B, K, M, G, T)
Implementation
Future<String> loadCache() async {
try {
final Directory tempDir = await getTemporaryDirectory();
final double value = await _getTotalSizeOfFilesInDir(tempDir);
/*tempDir.list(followLinks: false,recursive: true).listen((file){
//打印每个缓存文件的路径
print(file.path);
});*/
// print('临时目录大小: ' + value.toString());
return _renderSize(value);
} catch (err) {
print('获取缓存异常: $err');
return '0.00B';
}
}