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Merge pull request ChenYilong#104 from icedrip/patch-1
Update 《招聘一个靠谱的iOS》面试题参考答案(下).md
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01《招聘一个靠谱的iOS》面试题参考答案/《招聘一个靠谱的iOS》面试题参考答案(下).md

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@@ -264,7 +264,7 @@ int main(int argc, char * argv[]) {
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3. 调用`methodSignatureForSelector:`方法,尝试获得一个方法签名。如果获取不到,则直接调用`doesNotRecognizeSelector`抛出异常。如果能获取,则返回非nil:创建一个 NSlnvocation 并传给`forwardInvocation:`
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4. 调用`forwardInvocation:`方法,将第3步获取到的方法签名包装成 Invocation 传入,如何处理就在这里面了,并返回非ni
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4. 调用`forwardInvocation:`方法,将第3步获取到的方法签名包装成 Invocation 传入,如何处理就在这里面了,并返回非nil
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5. 调用`doesNotRecognizeSelector:` ,默认的实现是抛出异常。如果第3步没能获得一个方法签名,执行该步骤。
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