NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"mqq://im/chat?chat_type=wpa&uin=这里输入QQ号&version=1&src_type=web"]];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
UIWebView *webView = [[UIWebView alloc] init];
[webView loadRequest:request];
”这里输入QQ号“换成相应的qq号即可