NSString *str = [NSString stringWithFormat:@"%@://%@",[dic objectForKey:@"ios_url_scheme"],[dic objectForKey:@"app_bundle_id"]];

    NSURL *app_url = [NSURL URLWithString:str];

    BOOL hasInstalled = [[UIApplication sharedApplication] canOpenURL:app_url];

    if (hasInstalled){

        //说明此设备有安装app,打开APP

        if (APP_Version.doubleValue <= 10) {

            [[UIApplication sharedApplication] openURL:app_url];

        }else{

            [[UIApplication sharedApplication] openURL:app_url options:@{} completionHandler:nil];

        }

    }else{

        //说明此设备没有安装app,跳转APP_STORE

        NSString *link = [dic objectForKey:@"app_link_ios"];

        if (link.length != 0) {

            NSString *link_pro = [link stringByReplacingOccurrencesOfString:@"https" withString:@"itms-apps"];

            if (APP_Version.doubleValue <= 10) {

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

            }else{

                [[UIApplication sharedApplication] openURL:[NSURL URLWithString:link_pro] options:@{} completionHandler:nil];

            }

        }

    }