跳转到天猫客户端

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NSString *urlString = @"http://detail.tmall.com/item.htm?spm=a215v.7217581.610138.10.sO6nZp&id=36615660686&areaId=410100&cat_id=2&rn=ebe1860b08257aacbac424ed12d5208c&user_id=1098342976&is_b=1";
            NSURL *url;
            if([urlString rangeOfString:@"detail.tmall."].location != NSNotFound)   //判断Url是否是天猫商品的链接
            {
                NSRange range = [urlString rangeOfString:@"id="]; //在URL中找到商品的ID
                if(range.location != NSNotFound)
                {
                    NSString *productID = [urlString substringWithRange:NSMakeRange(range.location + 3, 11)];
                    NSString *appUrl = [NSString stringWithFormat:@"tmall://tmallclient/?{\"action\":\"item:id=%@\"}", productID];
                    url = [NSURL URLWithString:[appUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
                    if ([[UIApplication sharedApplication] canOpenURL:url])
                    {
                        // 如果已经安装天猫客户端，就使用客户端打开链接
                        [[UIApplication sharedApplication] openURL:url];
                    }
                    else
                    {
                        //客户手机上没有装天猫客户端，这时启动浏览器以网页的方式浏览该商品。
                        url = [NSURL URLWithString:[urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
                        [[UIApplication sharedApplication] openURL:url];
                    }
                }
            }

跳转到天猫客户端

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原文地址：http://www.cnblogs.com/tian-sun/p/5019935.html