cacheGetFile static method
取缓存文件
Implementation
static Future<File?> cacheGetFile(String url,
{String? cacheKey, String? cacheTag}) async {
var img = url;
if (kWebImagePrefix != null && !img.startsWith("http")) {
img = getJoin(kWebImagePrefix!, img);
}
return await hwCacheGetFile(img,
cacheKey: keyToTagMd5(img, cacheKey, cacheTag));
}