文件名称:fold-up
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类似于QQ折叠效果的实现，点击段头可以展开，再次点击可以收回-fold up
(系统自动生成,下载前可以参看下载内容)
下载文件列表
2-QQ鎶樺彔
..........\.DS_Store
__MACOSX
........\2-QQ鎶樺彔
........\..........\._.DS_Store
2-QQ鎶樺彔\QQ鎶樺彔
..........\........\AppDelegate.h
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔
........\..........\........\._AppDelegate.h
2-QQ鎶樺彔\QQ鎶樺彔\AppDelegate.m
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\._AppDelegate.m
2-QQ鎶樺彔\QQ鎶樺彔\arrow_fold.png
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\._arrow_fold.png
2-QQ鎶樺彔\QQ鎶樺彔\arrow_spread.png
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\._arrow_spread.png
2-QQ鎶樺彔\QQ鎶樺彔\Base.lproj
..........\........\..........\LaunchScreen.xib
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\Base.lproj
........\..........\........\..........\._LaunchScreen.xib
2-QQ鎶樺彔\QQ鎶樺彔\Base.lproj\Main.storyboard
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\Base.lproj\._Main.storyboard
........\..........\........\._Base.lproj
2-QQ鎶樺彔\QQ鎶樺彔\Images.xcassets
..........\........\...............\AppIcon.appiconset
..........\........\...............\..................\Contents.json
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\Images.xcassets
........\..........\........\...............\AppIcon.appiconset
........\..........\........\...............\..................\._Contents.json
........\..........\........\...............\._AppIcon.appiconset
........\..........\........\._Images.xcassets
2-QQ鎶樺彔\QQ鎶樺彔\Info.plist
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\._Info.plist
2-QQ鎶樺彔\QQ鎶樺彔\main.m
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\._main.m
2-QQ鎶樺彔\QQ鎶樺彔\ViewController.h
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\._ViewController.h
2-QQ鎶樺彔\QQ鎶樺彔\ViewController.m
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔\._ViewController.m
........\..........\._QQ鎶樺彔
2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj
..........\..................\project.pbxproj
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj
........\..........\..................\._project.pbxproj
2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\project.xcworkspace
..........\..................\...................\contents.xcworkspacedata
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\project.xcworkspace
........\..........\..................\...................\._contents.xcworkspacedata
2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\project.xcworkspace\xcuserdata
..........\..................\...................\..........\qianfeng.xcuserdatad
..........\..................\...................\..........\....................\UserInterfaceState.xcuserstate
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\project.xcworkspace\xcuserdata
........\..........\..................\...................\..........\qianfeng.xcuserdatad
........\..........\..................\...................\..........\....................\._UserInterfaceState.xcuserstate
........\..........\..................\...................\..........\._qianfeng.xcuserdatad
2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\project.xcworkspace\xcuserdata\qianfeng11223344.xcuserdatad
..........\..................\...................\..........\............................\UserInterfaceState.xcuserstate
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\project.xcworkspace\._xcuserdata
........\..........\..................\._project.xcworkspace
2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\xcuserdata
..........\..................\..........\qianfeng.xcuserdatad
..........\..................\..........\....................\xcschemes
..........\..................\..........\....................\.........\QQ鎶樺彔.xcscheme
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\xcuserdata
........\..........\..................\..........\qianfeng.xcuserdatad
........\..........\..................\..........\....................\xcschemes
........\..........\..................\..........\....................\.........\._QQ鎶樺彔.xcscheme
2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\xcuserdata\qianfeng.xcuserdatad\xcschemes\xcschememanagement.plist
__MACOSX\2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\xcuserdata\qianfeng.xcuserdatad\xcschemes\._xcschememanagement.plist
........\..........\..................\..........\....................\._xcschemes
........\..........\..................\..........\._qianfeng.xcuserdatad
2-QQ鎶樺彔\QQ鎶樺彔.xcodeproj\xcuserdata\qianfeng11223344.xcuserdatad
..........\..................\..........\............................\xcschemes
.