[小程序]微信小程序登陆并获取用户信息

const app =getApp()
Page({
  data: {
    openid:""
  },
  //按钮回调的方法
  getPerson:function(e){
    console.log(this.data.openid);
    console.log(e);
  },
  onLoad: function() {
    var self=this;
    wx.login({
      success(res) {
        //js调用登陆命令获取到code
        if(res.code) {
          //通过code调用自己服务接口获取到openid
wx.request({
            url: 'https://api.sopans.com/third/wxOpenId.php',
            data: {
              code: res.code
            },
            success:function(wxInfo){
              console.log(wxInfo);
              self.data.openid =wxInfo.data.openid
            }
          })
        } else{
          console.log('登录失败！' +res.errMsg)
        }
      }
    })
  },
})

<button open-type="getUserInfo"bindgetuserinfo="getPerson">获取用户信息</button>

        $appid = ''; //小程序APPID
        $secret = ''; //小程序secret
        $code=$_GET['code'];
        $url = 'https://api.weixin.qq.com/sns/jscode2session?appid=' . $appid . '&secret='.$secret.'&js_code='.$code.'&grant_type=authorization_code';    
        $curl =curl_init();
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_TIMEOUT, 500);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($curl, CURLOPT_URL, $url);
        $res = curl_exec($curl);
        curl_close($curl);
        echo $res; //这里是获取到的信息