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RSS订阅原创 Delegate详解
@protocol name<NSObject>@end修饰符@optional 可选择实现@required 必须实现@property (nonatomic, weak) id<name> delegate;if([_delegate respondsToSelector:@seletor(method)]) {[_delegate method]...
2020-03-16 17:44:32
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原创 performSelector详解
一、基础用法performSelector响应了OC语言的动态性，延迟到运行时才绑定方法。意味着可以传递一个变量选择器作为参数，向接收方发送指定的消息并返回消息的结果[obj performSelector:@selector(play)];[obj performSelector:@selector(play) withObject:@“xx”];[obj performSelecto...
2020-03-16 17:41:27
763
原创 cocoapods学习
查看ruby版本：ruby -v更新gem：sudo gem update —system删除gem源：gem sources —remove https://ruby.taobao.org/修改gem源：gem sources -a https://gems.ruby-china.com查看gem源是否是最新的：gem sources -l安装cocoapods：...
2018-12-22 18:00:59
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