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Bridging mode is to separate things from their concrete implementation so that they can change independently. The purpose of bridging is: Decoupling abstraction and implementation, So that the two can be changed independently, Like our commonly used JDBC bridge DriverManager, when JDBC connects databases, it switches between databases without moving too much code or even at all. The reason is that JDBC provides a unified interface, each database provides its own implementation, and a program called database driver is used to bridge. Let's look at the diagram:This mode applies to scenarios: If we want to add new functions to an existing class, we have to consider several things: 1. Will the new functions have compatibility problems with the existing functions? 2. Will it need to be added later? 3. What if the class does not allow code modification? Facing these problems, the best solution is to use visitor mode, which is suitable for systems with relatively stable data structure, decoupling data structure and algorithm,因此，铁心兰无论如何付出，也走不进小鱼儿的内心，铁心兰从来就没有了解过小鱼儿。现在越国不过才堪堪八万人马而已，相差很多，但是众人都没有太在意，越国毕竟还在发展之中。西门得宝是一个胸无大志的客栈老板。为了招揽生意，他吩咐小弟屠昊等人假扮劫匪打劫路人，关键时刻自己假扮将军出手相助，然后引导客人进店消费。好景不长，得宝的骗局被一个神秘僧人戳穿难以为继。祸不单行，灵州刺史何骁为了夺取藏在客栈里的藏宝图，杀害钦差，并嫁祸于得宝。一夜之间，得宝成了朝廷通缉的要犯，儿子有肉也死于非命。为了复仇，得宝开始跟随僧人修炼武功，得宝家族与少林寺的渊源和屠昊的阴谋，也被一一揭开.......秦枫气得浑身发抖，他深吸了一口气，沉声问道：照诸位所言，皇上、亲王就可以为所欲为了？为了天威。