ios app添加用户评价代码

NSString *str = [NSString stringWithFormat: 

@"itms-apps://ax.itunes.apple.com/WebObjects/MZStore.woa /wa/viewContentsUserReviews?type=Purple+Software&id=%d", 

m_appleID ]; 

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];