C++一般的输入都不是作为宽字符集处理的，使用C++分词，如果能完成窄字符输入，但按宽字符取子串，基本上分词的问题就解决了-C++ General input is not as wide-character set handling, use C++ Participle, if we can complete the narrow character input, but by the wide-character substring check basically segmentation