https://blog.youkuaiyun.com/AbelYuLBBzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/AbelYuLBB/article/details/52625940https://blog.youkuaiyun.com/AbelYuLBB/article/details/52625940AbelYuLBBThu, 22 Sep 2016 18:56:48 +0800b , b->a时 我们需要把b的数据传递到a中 。在这里我传递了一个UIview ，通常开发中如果数据较多可以考虑传递一个模型过去。      1> 在b的.h中定义一个protocol  ，注意点：一定要遵循    注： 在.h和.m的interface中声明是]]>https://blog.youkuaiyun.com/AbelYuLBB/article/details/52296289https://blog.youkuaiyun.com/AbelYuLBB/article/details/52296289AbelYuLBBWed, 24 Aug 2016 06:14:05 +0800https://blog.youkuaiyun.com/AbelYuLBB/article/details/52296173https://blog.youkuaiyun.com/AbelYuLBB/article/details/52296173AbelYuLBBWed, 24 Aug 2016 02:52:34 +0800https://blog.youkuaiyun.com/AbelYuLBB/article/details/51478684https://blog.youkuaiyun.com/AbelYuLBB/article/details/51478684AbelYuLBBMon, 23 May 2016 03:26:03 +0800https://blog.youkuaiyun.com/AbelYuLBB/article/details/51473457https://blog.youkuaiyun.com/AbelYuLBB/article/details/51473457AbelYuLBBSun, 22 May 2016 03:23:37 +0800https://blog.youkuaiyun.com/AbelYuLBB/article/details/51473445https://blog.youkuaiyun.com/AbelYuLBB/article/details/51473445AbelYuLBBSun, 22 May 2016 02:53:34 +0800