中国封建社会在反复的由治到乱,再由乱到治的“怪圈”中螺旋式向前发展。研究治乱兴衰的经验教训,具有重要的现实意义。在我国封建社会的某些朝代曾出现过政治稳定、经济繁荣的局面,它们被称为“治世”或“盛世”,如“文景之治”“光武中兴”“贞观之治“”开元盛世“”康乾盛? China’s feudal society has spiraled forward in the “difference circle” from governance to chaos and then to chaos. Studying the lessons of the rise and fall of chaos has important practical significance. Some dynasties in China’s feudal society have experienced political stability and economic prosperity. They are known as the “Principles of the World” or “Flourishing Age”, such as “the governance of Wen Jing”, “Guangwu Zhongxing” and “the governance of Zhen Guan”. “” Kang Gansheng?