ios应用内跳转到appstore里评分

NSString *str = [NSString stringWithFormat:@"itms-apps://ax.itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=XXXXXXXXXX" ];

if( ([[[UIDevice currentDevice] systemVersion] doubleValue]>=7.0)){

str = [NSString stringWithFormat:@"itms-apps://itunes.apple.com/app/idXXXXXXXXXX"];

}

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

id为iTunes Connect 中 app信息中的
Apple ID