- (NSDictionary *)objectClassInProArray;
- (void)setDict:(NSDictionary *)dict;
+ (instancetype)objectWithDict:(NSDictionary *)dict;
- eg. return @[@"name",@"age"] 或者 return @[@"_name",@"_age"] 两个效果一样
- (NSDictionary *)objectClassInProArray;
- (void)setDict:(NSDictionary *)dict;
+ (instancetype)objectWithDict:(NSDictionary *)dict;