ios小程序 股票更新

用到知识：1.计时器NSTimer

      2.UIWebView控件

      3.NSURLRequest请求数据 

 

- (void)refreshStock
{
    NSString *url = [[NSString alloc] initWithString:@"http://g.foolcdn.com/charts/advanced/caps_advanced.chart?TIME_SPAN=1Y&RESOLUTION=D&SYMBOL_US=AAPL&ID_NOTATION=&IND_1=volume&CLOSE_LINE=0"];
    [webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:url]]];
    [url release];
    
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    [self refreshStock];
    [NSTimer scheduledTimerWithTimeInterval:5 target:self selector:@selector(refreshStock) userInfo:nil repeats:YES];

}