swift下 判断客户端是否安装QQ,并发起会话
判断客户端是否安装QQ,并发起会话 func sendQQSession(by QQNum: String) { if UIApplication.shared.canOpenURL(URL(string: "mqq://")!) { let url = "mqq://im/chat?chat_type=wpa&uin=\(QQNum)&version=...
