摘要：
通过委托传递数值，搞了大半天，终于结束了这个恶魔，现在总结下：view1.h#import <Foundation/Foundation.h>@protocol setAppControllerDelegate;@interfaceview1 : NSObject {//id _delegate;PreferenceController *preferenceController;NSObject<setAppControllerDelegate>*m_appControllerDelegate;}-(void)changeBgColor:(NSColor*)color 阅读全文
