runtime那点事（3）动态获取类中的方法

+ (NSMutableArray *)getClassMethodWithClass:(Class)cls{
    
    //获得方法数组
    unsigned int count;
    
    Method * methodList = class_copyMethodList(cls, &count);
    
    NSMutableArray * methods = [[NSMutableArray alloc]initWithCapacity:0];
    
    //循环遍历获得方法名

    for (int i = 0; i