【黄啊码】微信小程序登录怎么做？如何获取open_id

getOpenid:function(){
      var that = this;
      return new Promise(function (resolve, reject){
        wx.login({
          success: function (res) {
            if (res.code) {
              //发起网络请求
              wx.request({
                url: config.api+'/api/v1.user/getUserInfo', 
                data: {
                   code:res.code   //微信小程序生成的code
                },
                success: function (res) {
                   console.log("登录成功");
                }
              });
            } 
            
          }
        });
      }).then(function(){
 
      }); 
 
 
  },

function curlGet($url)
{
    $ch = curl_init();
    $header = [
        "Content-Type: application/json;charset=UTF-8",
    ];
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $temp = curl_exec($ch);
    return $temp;
}