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凌梓铭和程一是从小一起长大的好朋友，他们来自两个不算完整的家庭，凌梓铭从小和二姨一起生活，程一由奶奶抚养长大，也正因如此，两个男孩在情感上相互搀扶，一同长大。进入青春期的两个人，逐渐在心理上产生了变化，尚且年少的男孩们，根本不懂什么是“爱”，他们一次次的试探彼此，却一步步的渐行渐远……身为心理医生的秦云和掌管医药实验室的刑司羽曾经坚信科学，如今也不得不换种思维来重新面对这栋空置了六年的别墅。二人想要对叶青青施行的计划也在一场暴雨夜挖尸骸后，分崩离析......民国时期身为杨家枪法第四十八代传人的乡村青年杨小郎自幼厌恶习武。姥姥恨铁成钢勒令杨小郎前往江城投奔二舅中华酒楼老板刘郭。在江城的大染缸里，杨小郎周璇在警察局、青龙会和洋人等几方相互敌对的势力下。本以为可以出淤泥而不染的杨小郎却发现自己正陷入几股势力设下的巨大阴谋。为了保护心爱的女子小凡杨小郎挺身而出。靠江湖游侠王处二传授的武功绝学“差时术”和他那三寸不烂之舌，杨小郎能否成为一个守护江城和爱人的英雄好汉……娘说，下大雪不容易起火，多放些不要紧。Usage scenario: Combine multiple objects together for operation, which is often used to represent tree structures, such as binary trees, numbers, etc.After studying the design pattern during this period of time, I still have a lot of feelings, because when I am writing code now, I often think about whether I can use any design pattern to refactor here. Therefore, after learning the design pattern, I feel that it will slowly affect the way you think about writing code. Here is a summary of the design patterns. First, all the design patterns can be sorted out. Second, an index can be made to help everyone collect.Welcome to reprint, please indicate the source!