> 原文出处：[IOS-Runtime](http://blog.csdn.net/column/details/iosruntime.html)
作者：[lvdezhou](http://blog.csdn.net/lvdezhou)
**本系列文章经作者授权在看云整理发布，未经作者允许，请勿转载！**
# IOS-Runtime
> 一些iosruntime方法用法简介
- 前言
- object_getIvar
- object_getClass
- object_getClassName
- object_setClass
- object_isClass
- object_setIvar
- objc_getClass
- Too many arguments to function call...
- objc_msgSend
- class_copyIvarList和class_copyMethodList
- method_exchangeImplementations
- 运用SEL，运行时改变两个方法的实现
- class_getInstanceMethod和class_getClassMethod
- class_respondsToSelector
- Objective-C Runtime 运行时之三：方法与消息