你需要寻求流，像你这样，然后调用
DiscardBufferedData上
StreamReader。此处的文档：
编辑：添加代码示例：
Stream s = new MemoryStream();StreamReader sr = new StreamReader(s);// later... after we read stuffs.Position = 0;sr.DiscardBufferedData(); // reader now reading from position 0
你需要寻求流，像你这样，然后调用
DiscardBufferedData上
StreamReader。此处的文档：
编辑：添加代码示例：
Stream s = new MemoryStream();StreamReader sr = new StreamReader(s);// later... after we read stuffs.Position = 0;sr.DiscardBufferedData(); // reader now reading from position 0
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