文字会在发送给客户端之前逐步积累。
现在我们使用自己的类，为每个字符分配内存作为字符阵列。 ( 无论如何，它的工作方式都是char[][] + std::list<char*>)。
然后，我们构建完整的字符串，将其转换为std :: sting，然后使用它创建 boost :: asio :: streambuf 。我认为这很慢。如果我错了，请纠正我。
我知道，在许多情况下，使用 stdio.h 中的简单 FILE 类型。 它是如何工作的？ 在每次写入时分配内存。 因此，它是否更快且是否有任何方法可以从 FILE 读取到 boost :: asio :: streambuf 中？
添加：嗯，我忘记了一件大事：编译dll和主应用程序是在几个编译器下完成的，所以它不应该包含stl的任何内容……因为通常在执行dll时会引起很多问题。
我不知道它的效率有多高，但我通常用ostringstream进行这种类型的操作。
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