拨打电话

    // 拨打电话block中实现
    self.callClick = ^(){
        NSLog(@"拨打电话！！！");
        NSMutableString * str=[[NSMutableString alloc] initWithFormat:@"tel:%@",_model.csphone];
        UIWebView * callWebview = [[UIWebView alloc] init];
        [callWebview loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:str]]];
        [self.view addSubview:callWebview];
    };
     // 哪里需要哪里调用
     self.callClick();