swift2.0 用闭包表达式 和 protocol 传值回调
http://blog.youkuaiyun.com/lengshengren/article/details/4915643
swift协议代理的使用以及解决循环引用问题
http://blog.youkuaiyun.com/code_worm/article/details/48005313
swift2.0 用闭包表达式 和 protocol 传值回调
http://blog.youkuaiyun.com/lengshengren/article/details/4915643
http://blog.youkuaiyun.com/code_worm/article/details/48005313
转载于:https://www.cnblogs.com/woaixixi/p/5157812.html