/// <summary>
/// 返回所有脱敏词汇
/// </summary>
/// <returns></returns>
public async Task <IEnumerable <string> > GetWordsAsync()
{
// 读取缓存数据
var wordsCached = await _distributedCache.GetStringAsync(DISTRIBUTED_KEY);
if (wordsCached != null)
{
return(_jsonSerializerProvider.Deserialize <IEnumerable <string> >(wordsCached));
}
// 读取文件内容
byte[] buffer;
using (var readStream = _fileProvider.GetFileInfo("sensitive-words.txt").CreateReadStream()) // 暂时不提供配置文件名称
{
buffer = new byte[readStream.Length];
await readStream.ReadAsync(buffer.AsMemory(0, buffer.Length));
}
var content = Encoding.UTF8.GetString(buffer);
// 取换行符分割字符串
var words = content.Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
// 缓存数据
await _distributedCache.SetStringAsync(DISTRIBUTED_KEY, _jsonSerializerProvider.Serialize(words));
return(words);
}
public static T Deserialize <T>(string jsonString)
{
CheckJsonProviderNotNull();
return(staticJsonSerializerProvider.Deserialize <T>(jsonString));
}