//查看蘋果所有的API
    //首先要導入#import 
    NSString *className = NSStringFromClass([UIView class]);
    //這裡是uiview，可以改成自己想要的
    
    const char *cClassName = [className UTF8String];
    
    id theClass = objc_getClass(cClassName);
    
    unsigned int outCount;
    
    Method *m =  class_copyMethodList(theClass,&outCount);
    
    NSLog(@"%d",outCount);
    for (int i = 0; i