微信小程序获取用户信息及手机号（后端TP5.0）

<view wx:if="{{config.tipsshow1}}" class='dialog-container'>
 <view class='dialog-mask'></view>
 <view class='dialog-info'>
 <view class='dialog-title'>login prompt</view>
 <view class='dialog-content'>to provide better service, click "allow" in the prompt box later!</view>
 <view class='dialog-footer'>
  <button class='dialog-btn' open-type="getuserinfo" bindgetuserinfo="getuserinfo">i see.</button>
 </view>
 </view>
</view>

<view wx:if="{{config.tipsshow2}}" class='dialog-container'>
 <view class='dialog-mask'></view>
 <view class='dialog-info'>
 <view class='dialog-title'>login prompt</view>
 <view class='dialog-content'>to provide better service, click "allow" in the prompt box later!</view>
 <view class='dialog-footer'>
  <button class='dialog-btn' open-type="getphonenumber" bindgetphonenumber="getphonenumber">to authorize.</button>
 </view>
 </view>
</view>

.dialog-mask{
 position: fixed;
 z-index: 1000;
 top: 0;
 right: 0;
 left: 0;
 bottom: 0;
 background: rgba(0, 0, 0, 0.3);
}
.dialog-info{
 position: fixed;
 z-index: 5000;
 width: 80%;
 max-width: 600rpx;
 top: 50%;
 left: 50%;
 -webkit-transform: translate(-50%, -50%);
 transform: translate(-50%, -50%);
 background-color: #ffffff;
 text-align: center;
 border-radius: 3px;
 overflow: hidden;
}
.dialog-title{
 font-size: 36rpx;
 padding: 30rpx 30rpx 10rpx;
}
.dialog-content{
 padding: 10rpx 30rpx 20rpx;
 min-height: 80rpx;
 font-size: 32rpx;
 line-height: 1.3;
 word-wrap: break-word;
 word-break: break-all;
 color: #999999;
}
.dialog-footer{
 display: flex;
 align-items: center;
 position: relative;
 line-height: 90rpx;
 font-size: 34rpx;
}
.dialog-btn{
 display: block;
 -webkit-flex: 1;
 flex: 1;
 position: relative;
 color: #3cc51f;
}

data: {
 username: '',
 pwd: '',
 getuserinfofail: '',
 userinfo: [],
 hasuserinfo: '',
 phone: '',
 config: {
  tipsshow1: true,
  tipsshow2: false
 }
 },


 /**
 * 生命周期函数--监听页面加载
 */
 onload: function(options) {
 var that = this;
 //用户是否授权过手机号
 wx.getstorage({
  key: 'phone',
  success: function (res) {
  that.setdata({
   config: {
   tipsshow1: false,
   tipsshow2: false
   },
  })
  }
 })

 //是否授权过用户信息
 wx.getsetting({
  success: function(res) {
  if (res.authsetting['scope.userinfo']) {
   // 已经授权，可以直接调用 getuserinfo 获取头像昵称
   wx.getuserinfo({
   success: function(res) {
    that.setdata({
    userinfo: res.userinfo,
    config: {
     tipsshow1: false,
    },
    })
   }
   })
  }
  }
 })

 },

 getphonenumber: function(e) {
 if (e.detail.errmsg == "getphonenumber:fail user deny") return;
 //用户允许授权
 wx.showloading()
 var self = this
 //1. 调用登录接口获取临时登录code
 wx.login({
  success: res => {
  console.log(res, 555)
  if (res.code) {
   //2. 访问登录凭证校验接口获取session_key、openid
   wx.request({
   url: "xxxxxxx/index/author/login",
   data: {
    'js_code': res.code,
   },
   method: 'get', // options, get, head, post, put, delete, trace, connect
   header: {
    'content-type': 'application/json'
   }, // 设置请求的 header
   success: function(data) {
    console.log(data, data)
    if (data.statuscode == 200) {
    //3. 解密
    wx.request({
     url: 'xxxxxx/index/author/number',
     data: {
     'appid': data.data.appid,
     'sessionkey': data.data.session_key,
     'encrypteddata': e.detail.encrypteddata,
     'iv': e.detail.iv,
     },
     method: 'get', // options, get, head, post, put, delete, trace, connect
     header: {
     'content-type': 'application/json'
     }, // 设置请求的 header
     success: function(data2) {
     wx.hideloading()
     console.log(data2.data.phonenumber)
     if (data2.statuscode == 200 && data2.data.phonenumber) {
      self.setdata({
      phone: data2.data.phonenumber,
      config: {
       tipsshow1: false,
       tipsshow2: false,
      },
      })
      wx.setstoragesync('phone', data2.data.phonenumber);
      if (self.data.userinfo != '') {
      wx.request({
       url: 'xxxx/index/author/regist',
       data: {
       username: self.data.userinfo.nickname,
       sex: self.data.userinfo.gender,
       phone: self.data.phone,
       pwd: 123456,
       avatarimg: self.data.userinfo.avatarurl
       },
       success: function(data) {
        console.log(data.data,56565)
        if (data.data != null) {
        wx.showtoast({
         title: '登录中...',
         icon: 'loading',
         duration: 2000
        })
        wx.navigateto({
         url: '../managementlist/managementlist'//管理页面
        })
        }
       }
      });
      }
      console.log(self.data, 526336)
     }
     },
     fail: function(err) {
     console.log(err);
     }
    })
    }
   },
   fail: function(err) {
    console.log(err);
   }
   })
  }
  }
 })
 },

 getuserinfo: function(e) {
 var that = this;
 console.log(e.detail.userinfo, "getuserinfo")
 if (e.detail.userinfo) {
  that.setdata({
  userinfo: e.detail.userinfo,
  config: {
   tipsshow1: false,
   tipsshow2: true,
  },
  })
  console.log(that.data.userinfo);
 } else {
  console.log("获取信息失败")
 }
 },

<?php

namespace app\index\controller;

use think\controller;
use app\admin\model\userrecharge;
use think\db;


class author extends controller
{

 /**
  * 发送http请求方法
  * @param string $url 请求url
  * @param array $params 请求参数
  * @param string $method 请求方法get/post
  * @return array $data 响应数据
  */
 function httpcurl($url, $params, $method = 'post', $header = array(), $multi = false){
  date_default_timezone_set('prc');
  $opts = array(
   curlopt_timeout  => 30,
   curlopt_returntransfer => 1,
   curlopt_ssl_verifypeer => false,
   curlopt_ssl_verifyhost => false,
   curlopt_httpheader  => $header,
   curlopt_cookiesession => true,
   curlopt_followlocation => 1,
   curlopt_cookie   =>session_name().'='.session_id(),
  );
  /* 根据请求类型设置特定参数 */
  switch(strtoupper($method)){
   case 'get':
    // $opts[curlopt_url] = $url . '?' . http_build_query($params);
    // 链接后拼接参数 & 非？
    $opts[curlopt_url] = $url . '?' . http_build_query($params);
    break;
   case 'post':
    //判断是否传输文件
    $params = $multi ? $params : http_build_query($params);
    $opts[curlopt_url] = $url;
    $opts[curlopt_post] = 1;
    $opts[curlopt_postfields] = $params;
    break;
   default:
    throw new exception('不支持的请求方式！');
  }
  /* 初始化并执行curl请求 */
  $ch = curl_init();
  curl_setopt_array($ch, $opts);
  $data = curl_exec($ch);
  $error = curl_error($ch);
  curl_close($ch);
  if($error) throw new exception('请求发生错误：' . $error);
  return $data;
 }
 /**
  * 微信信息解密
  * @param string $appid 小程序id
  * @param string $sessionkey 小程序密钥
  * @param string $encrypteddata 在小程序中获取的encrypteddata
  * @param string $iv 在小程序中获取的iv
  * @return array 解密后的数组
  */
 function decryptdata( $appid , $sessionkey, $encrypteddata, $iv ){
  $ok = 0;
  $illegalaeskey = -41001;
  $illegaliv = -41002;
  $illegalbuffer = -41003;
  $decodebase64error = -41004;
  if (strlen($sessionkey) != 24) {
   return $illegalaeskey;
  }
  $aeskey=base64_decode($sessionkey);

  if (strlen($iv) != 24) {
   return $illegaliv;
  }
  $aesiv=base64_decode($iv);

  $aescipher=base64_decode($encrypteddata);

  $result=openssl_decrypt( $aescipher, "aes-128-cbc", $aeskey, 1, $aesiv);
  $dataobj=json_decode( $result );
  if( $dataobj == null )
  {
   return $illegalbuffer;
  }
  if( $dataobj->watermark->appid != $appid )
  {
   return $decodebase64error;
  }
  $data = json_decode($result,true);
  return $result;
 }

 /**
  * 请求过程中因为编码原因+号变成了空格
  * 需要用下面的方法转换回来
  */
 function define_str_replace($data)
 {
  return str_replace(' ','+',$data);
 }


 //获取手机号
 public function number($appid , $sessionkey, $encrypteddata, $iv)
 {
  include_once (root_path."./public/author/wxbizdatacrypt.php"); //引入 wxbizdatacrypt.php 文件
  $appid = $appid;
  $sessionkey = $sessionkey;
  $encrypteddata= $encrypteddata;
  $iv = $iv;
  $data = '';

  $pc = new \wxbizdatacrypt($appid, $sessionkey); //注意使用\进行转义
  $errcode = $pc->decryptdata($encrypteddata, $iv, $data );
  if ($errcode == 0) {
   print($data . "\n");
  } else {
   print($errcode . "\n");
  }
 }

 //微信登录
 public function login(){
  $get = input('get.');
  $param['appid'] = 'xxxxxxxxxx'; //小程序id
  $param['secret'] = 'xxxxxxxxxx'; //小程序密钥
  $param['js_code'] = $this->define_str_replace($get['js_code']);
  $param['grant_type'] = 'authorization_code';
  $http_key = $this->httpcurl('https://api.weixin.qq.com/sns/jscode2session', $param, 'get');
  $session_key = json_decode($http_key,true);//获取openid和session_key
  //print_r(http_build_query($param));
  if (!empty($session_key['session_key'])) {
   $data['appid'] = $param['appid'];
   $data['session_key'] = $session_key['session_key'];
   return json($data);
  }else{
   echo '获取session_key失败！';
  }
 }

 //用户注册
 public function regist($username = "",$sex = "", $phone = "",$password = "",$avatarimg = "")
 {
  if ($phone){
   //判断该用户是否已经注册
   $userdata = db::name('user')->where('phone',$phone)->find();
   if ($userdata){
    return json_encode(2);
   }

   //整合数组
   $salt = '1122';
   $password = md5(md5($password) . $salt);
   $data = [
    'name' => $username,
    'sex' => $sex,
    'phone' => $phone,
    'password' => $password,
    'avatarimg' => $avatarimg,
    'logtime' => date("y-m-d h:i:s"),
    'addtime' => date("y-m-d h:i:s")
   ];
   //注册新用户
   $userid = db('user')->insertgetid($data);
   if ($userid){
    return json_decode(1);
   }else{
    return json_encode(0);
   }
  }
 }
}