微信小程序获得openid免密登录

{
wx.login({
success: res => {
let d = {
appid: ‘wx111111111111’, // 从微信公众平台开发设置中获取
secret: ‘sec2222222222’ // 从微信公众平台开发设置中获取
};
// 微信官方的获取openid的接口
var wxLoginUrl = ‘https://api.weixin.qq.com/sns/jscode2session?appid=’ + d.appid +’&secret=’
+ d.secret + ‘&js_code=’ + res.code + ‘&grant_type=authorization_code’;
wx.request({
url: wxLoginUrl,
data: {},
method: ‘GET’,
success: res => {
let openid = res.data.openid;
this.judgeIsWxlogin(openid); // 向后端发送openid判断是否可以直接用该微信号登陆
}
});
}
});
}
从微信公众平台开发设置中获取appid和secret: