//跳到qq页面
UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectZero];
NSURL *url = [NSURL URLWithString:@"mqq://im/chat?chat_type=wpa&uin=&version=1&src_type=web"];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
webView.delegate = self;
[webView loadRequest:request];
[self.view addSubview:webView];
//跳到微信页面，和applestore
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://weixin.qq.com/r/o3W_sRvEMSVOhwrSnyCH"]];
//直接跳转到微信界面
NSString *str =@"weixin://qr/JnXv90fE6hqVrQOU9yA0";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];
