uniapp获取用户信息 getuserinfo

<button type="primary" open-type="getUserInfo" @getuserinfo="wxGetUserInfo">登录</button>

wxGetUserInfo(){
                uni.getUserInfo({
                    success: (res) =>{
                        this.userInfo =res.userInfo;
                        console.log(this.userInfo);
                    },
                    fail: () =>{
                        console.log("未授权");
                    }
                })
            },