代码集成支持Block、Delegate: //设置启动页广告图片的url NSString *imgUrlString =@""; //初始化启动页广告(初始化后,自动添加至视图,不用手动添加) JWLaunchAd *launchAd = [JWLaunchAd initImageWithURL:CGRectMake(0, 0,self.window.bounds.size.width, self.window.bounds.size.height-150) strUrl:imgUrlString adDuration:10.0 options:JWWebImageDefaul