C#序列化和反序列化
序列化和反序列化我们可能经常会听到，其实通俗一点的解释，序列化就是把一个对象保存到一个文件或数据库字段中去，反序列化就是在适当的时候把这个文件再转化成原来的对象使用。我想最主要的作用有：
1、在进程下次启动时读取上次保存的对象的信息
2、在不同的AppDomain或进程之间传递数据
3、在分布式应用系统中传递数据
......
在C#中常见的序列化的方法主要也有三个：BinaryFormatter、SoapFormatter、XML序列化
本文就通过一个小例子主要说说这三种方法的具体使用和异同点
这个例子就是使用三种不同的方式把一个Book对象进行序列化和反序列化，当然这个Book类首先是可以被序列化的。至于怎么使一个类可以序列化可以参见：C#强化系列文章一：ViewState使用兼谈序列化
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