}
第二种方法
NSString* strLoc = @"itms-apps://ax.itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=536226604";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:strLoc]];
注意:id换成自己应用的id原文地址:http://blog.csdn.net/yangchen9931/article/details/44943409