Thinkphp6 微信小程序授权登录

login: function(e) {
   var that = this;
   wx.login({
     success: function(res){
       var code = res.code;  //获取code
       wx.getUserInfo({  //得到rawData, signatrue, encryptData
         success: function(data){
           var rawData = data.rawData;
           var signature = data.signature;
           var encryptedData = data.encryptedData; 
           var iv = data.iv;
           wx.request({
             url: '你自己的后台地址',
             data: {
               "code" : code,
               "rawData" : rawData,
               "signature" : signature,
               'iv' : iv,
               'encryptedData': encryptedData
             },
             method: 'GET', 
             success: function(info){
               console.log(info);
             }
           })
         }
       })
     },
   })
}

php代码

• 小程序登录文档
• 数据进行加密签名的密钥（必须要下载引入你的类） 加密数据解密算法 有Demo文件

/*
 * @Author: libertine
 * @LastEditors: libertine
 * @Date: 2021-03-30 10:45:12
 * @LastEditTime: 2021-04-01 10:49:06
 * @Email: [email protected]
 * @FilePath: \clock\app\index\controller\WxMini.php
 * @Environment: Win 10 PHP 7.3
 * @Description: 微信小程序控制器
 */

namespace app\index\controller;

use app\BaseController;
use app\index\controller\Wxgetuserinfo;
use think\facade\view;
use think\facade\DB;
use app\index\service\Weixin;

class WxMini extends BaseController
{
	public function Decode()
	{
		//开发者使用登陆凭证 code 获取 session_key 和 openid
		$APPID = '';
		$AppSecret = '';
		$code = $this->request->param('code','','trim');
		$url="https://api.weixin.qq.com/sns/jscode2session?appid=".$APPID."&secret=".$AppSecret."&js_code=".$code."&grant_type=authorization_code";
		$arr = $this->vget($url);  // 一个使用curl实现的get方法请求
		$arr = json_decode($arr,true);
		$openid = $arr['openid'];
		$session_key = $arr['session_key'];

		// 数据签名校验
		$signature = $this->request->param('signature','','trim');
		$signature2 = sha1($_GET['rawData'].$session_key);  //记住不应该用TP中的I方法，会过滤掉必要的数据
		if ($signature != $signature2) {
			echo '数据签名验证失败！';die;
		}

		//开发者如需要获取敏感数据，需要对接口返回的加密数据( encryptedData )进行对称解密
		include_once "wxBizDataCrypt.php";  //加载解密文件，在官方有下载
		$encryptedData = $_GET['encryptedData'];
		$iv = $_GET['iv'];
		$pc = new \WXBizDataCrypt($APPID, $session_key);
		$errCode = $pc->decryptData($encryptedData, $iv, $data);  //其中$data包含用户的所有数据
		if ($errCode != 0) {
			echo '解密数据失败！';die;
		}

		//生成第三方3rd_session
		$session3rd  = null;
		$strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";
		$max = strlen($strPol)-1;
		for($i=0;$i<16;$i++){
			$session3rd .=$strPol[rand(0,$max)];
		}
		echo $session3rd;
	}

	public function vget($url){
		$info=curl_init();
		curl_setopt($info,CURLOPT_RETURNTRANSFER,true);
		curl_setopt($info,CURLOPT_HEADER,0);
		curl_setopt($info,CURLOPT_NOBODY,0);
		curl_setopt($info,CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt($info,CURLOPT_SSL_VERIFYHOST, false);
		curl_setopt($info,CURLOPT_URL,$url);
		$output= curl_exec($info);
		curl_close($info);
		return $output;
	}
}