ProtocolDemo.zip （75个子文件） 
ProtocolDemo ProtocolDemo.xcodeproj project.xcworkspace 
contents.xcworkspacedata 157B xcuserdata gamin.xcuserdatad UserInterfaceState.xcuserstate 22KB xcuserdata gamin.xcuserdatad xcdebugger Breakpoints_v2.xcbkptlist 91B xcschemes xcschememanagement.plist 574B ProtocolDemo.xcscheme 4KB project.pbxproj 17KB ProtocolDemoTests Info.plist 748B ProtocolDemoTests.m 872B .DS_Store 6KB ProtocolDemo ViewController.xib 9KB ViewController.m 2KB .DS_Store 6KB Info.plist 1KB main.m 332B Base.lproj Main.storyboard 2KB LaunchScreen.xib 4KB Images.xcassets AppIcon.appiconset Contents.json 585B Mother.m 1KB Mother.h 627B ViewController.h 590B AppDelegate.h 421B Person.m 2KB Person.h 991B AppDelegate.m 2KB .git logs HEAD 166B refs heads master 166B info exclude 40B index 2KB COMMIT_EDITMSG 15B objects pack c5 c0f8e9eed1f7b4f2d2c6f51c9f8251f8dfa645 99B 02 cb2ecbd80567504795e2aa2f29d8d987835419 172B info da 72d6f415acda28564ad93e6b4f24c3c10f9656 219B b3 d09f1f407aacb4818672074e29028ca16987d6 3KB 3a 27e350f0cec85604dd939203f8c31fb7949913 153B 74 4a872c8c46dc2f5b867323cc12c08f5c73f533 157B 11 8c98f7461bf98b2bc7e061150d8021121ad277 161B 21 4c162612eefa1f6147dd575c3c3fc0b81de94a 512B 9d 747d7384707ecb116ec3ff7e7912e588c9865e 151B 9b 79f7a6df7521c83fdbb5f9677d0017818a0792 138B be a258e4a4c956ecc0436e29e40bbaa65553c72d 170B 1f 5393e33fba76b61d7d1490bed67165f881182f 175B 2b ac2411a80cbf4dfe636ef5e92a4ed6411d2846 627B c2 42c8df6456598c63df242f4cb5a8c101081805 356B 52 3dc0b3d50a287d33213eb58bfe210ba1e2d753 438B f4 f99a271779fad7433a4250d5ac08b0d292309b 171B 95 bf7f42b7757b3076a7d2f5afc476488f6613e0 59B 4a 2720e7ca5f0836035219b675f1454e6c74f605 98B 59 0d1a1c33ccc2bec90ee59d0f1e18769afffde5 256B 6f 14415759b19f2d8770cf0a684b2eb153b4a5c4 96B 58 836544624794676bcc177c9e2a1a83bd0fc654 118B 28 c3e9d944a6ed190f441ddd2dce239229ddc278 69B 47 9d5dbfe5d3c086bd905198b72ab2a0d0cb4a43 309B a0 6eb1a093f3334bd532dc1fffed3d72db46ff0a 1KB d9 12f9d76b5fbbc7a42fecd973df23d39d3c367e 723B 13 8c796fd83d52f21d861be6522703b67e85e36d 478B 05 279149d2ebc806289e5e34aea0a2292ba431e3 290B ea b616f0e8f4487791d50e620e6df67037c621da 57B 3f 2fdf7ef7ced4b2bf0ecb09fe25e9280c45c002 159B 1c 0bb11fb43a81c6b8acbd61ad325232dc25612d 178B 17 1654bdb1fd1c0c954c6adffd58669a2bcb3f5f 171B b0 e2eba47ca7612d8598a92a0206ab35925180b8 134B d6 81c9af17133436a430304046d8fdcd871db193 912B HEAD 23B config 137B refs heads master 41B tags branches hooks pre-applypatch.sample 398B pre-push.sample 1KB commit-msg.sample 896B pre-commit.sample 2KB applypatch-msg.sample 452B prepare-commit-msg.sample 1KB update.sample 4KB post-update.sample 189B pre-rebase.sample 5KB description 73B资源评论
penglang3652015-10-26有点意思。不过代码中，person类中要在interface地方写下它实现了 <ChoiceSonCondition>协议，虽然在类里面已经实现了代理的方法。
