说明：  这是我在学习《信息系统分析》时用UMLwithRationalRose所做的一个学校图书馆系统分析的设计，里面包含了sequencea图和collaboration图，希望对一部分人有帮助
(This is my study, "Information System" used UMLwithRationalRose done a systematic analysis of the school library design, which contains a collaboration sequencea map and the map, and I hope to help some people)