如何点击链接直接跳转到app store指定应用下载页面

跳转到应用下载页面:

NSString *str = [NSString stringWithFormat:                           @"itms-apps://ax.itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=%d",                           436957167 ];  [[UIApplication sharedApplication] openURL:[NSURL urlWithString:str]];

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