iOS App开发中扩展RCLabel组件进行基于HTML的文本布局

                                        //这个地方要在主线程中执行，否则刷新会有延时
                                        dispatch_async(dispatch_get_main_queue(), ^{
                                             [[rcLabel imageDelegate] YHRTLabelImageSuccess:rcLabel];
                                        });
                           
                                    }
                                  
                                }
                               
                            };
                           
                        });
                    }                
                   
                }