iOS应用内集成AppStore评分功能
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/**
* 可评分评论，无次数限制
*/
- (IBAction)appStoreComentBtnAction:(UIButton *)sender {
NSString * nsStringToOpen = [NSString stringWithFormat: @"itms-apps://itunes.apple.com/app/id%@?action=write-review",@"AppID"];//替换为对应的APPID
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:nsStringToOpen]];