ios：给appstore评分和进入app安装页面代码

 1.
评分： 
       NSString *str = [NSString stringWithFormat: @"itms-apps://ax.itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews?type=Purple+Software&id=%@", @"346703830"];  
       [[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]]; 

       2.
软件首页 
       NSString *str2 = [NSString stringWithFormat: @"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=%@", @"346703830"];  
       [[UIApplication sharedApplication] openURL:[NSURL URLWithString:str2]];

       其中，红色字体部分为itunesconnect中的应用程序id。