fission-weChat/api/login.php

<?php
/**
 * Created by PhpStorm.
 * Member: tianyi
 * Date: 2018/4/11
 * Time: 17:42
 */
try {
    $code = safeCheck($_POST["code"], 0);
    $weixin = new weixin(MINI_APPID, MINI_APPKEY);
    $res = $weixin->code2Session($code);

    if (empty($res['openid'])) {
        echo action_msg($res['errmsg'], 1);
    } else {
        $reader = Reader::getInfoByOpenId($res['openid']);
        if (!empty($reader)) {
            $ret = Reader::getPassInfo($reader['id']);
            $ret['openid'] = $res['openid'];
            $ret['session_key'] = $res['session_key'];
            echo action_msg($ret, 200);
            exit;
        } else {
            //返回需要登录提示
            $ret['id'] = 0;
            $ret['type'] = 3;    //3-客户不存在，需要登录
            $ret['code'] = '';
            $ret['pass'] = 0;
            $ret['msg'] = '需要授权登录';
            $ret['openid'] = $res['openid'];
            $ret['session_key'] = $res['session_key'];
            echo action_msg($ret, 200);
            exit;
        }
    }
} catch (MyException $e) {
    echo action_msg($e->getMessage(), $e->getCode());
}

?>