@catror #53 第二次因为 “粘包” 见这个项目了…… 看了一下不就是个 parser 吗? 另外,parser 在第六层,而不是第七层,大小端也是第六层干的事。 Serialization of complex data structures into flat byte-strings (using mechanisms such as TLV or XML) can be thought of as the key functionality of the presentation layer. https://en.wikipedia.org/wiki/Presentation_layer