小程序授权登录

<button class="l_btn" open-type="getUserInfo" lang="zh_CN" @getuserinfo="bindGetUserInfo" @click="getUserInfoClick">微信登录 </button>

   getUserInfoClick() {}, //不要删除
            bindGetUserInfo: function (e) {
                var that = this;
                var sessionId  =  wx.getStorageSync("sessionId");
                if (e.mp.detail.userInfo) {
var userInfo = e.mp.detail.userInfo;
userInfo.encryptedData = e.mp.detail.encryptedData;
userInfo.iv = e.mp.detail.iv;
wx.setStorageSync("userInfo", userInfo);
wx.switchTab({
    url: "/pages/home/main"
});
                } else {
wx.showModal({
    content: '请允许使用微信登录',
    confirmText: "确认",
    cancelText: "取消",
    success: function (res) {
        //点击“确认”时打开设置页面
        if (res.confirm) {
            wx.openSetting({
                success: (data) => {
if (data.authSetting["scope.userInfo"] == true){
    wx.getUserInfo({
        // withCredentials: false,
        lang:"zh_CN",
        success: function (datares) {
            var userInfo = datares.userInfo;
            userInfo.encryptedData = datares.encryptedData;
            userInfo.iv = datares.iv;
            wx.setStorageSync("userInfo", userInfo);
                wx.switchTab({
url: "/pages/home/main"
                });
        }})
}
                }
            })
        } else {
            console.log('用户点击取消')
        }
    }
});
                }
            },

小程序授权登录