PHP APP微信授权登录

获取登录code

getAPPCode() {
	let _this = this;
	uni.login({
		provider: 'weixin',
		onlyAuthorize: true,
		success: function (loginRes) {
			console.log(loginRes.code);
			if (loginRes.errMsg === "login:ok") { 
				_this.code = loginRes.code;
				uni.setClipboardData({
					data: loginRes.code,
					success: function () {
						uni.showToast({
							title: '复制成功'
						})
					},
					fail() {
						uni.showToast({
							icon: "error",
							title: '复制失败'
						})
					}
				});
			}
		}
	});
}

PHP API

/**
 * 获取微信用户信息
 */
function getWechatInfoByAPP($code)
{
    if (!$code) returnMsg(501);
    $app_id = 'APPID'; // 开放平台APP的id
    $app_secret = 'APP_SECRET'; // 开放平台APP的secret
    $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid={$app_id}&secret={$app_secret}&code={$code}&grant_type=authorization_code";
    $data = curl_get($url);
//{
//  "access_token": "ACCESS_TOKEN",
//  "expires_in": 7200,
//  "refresh_token": "REFRESH_TOKEN",
//  "openid": "OPENID",
//  "scope": "SCOPE",
//  "unionid": "o6_bmasdf6_2sgVt7hZDFPfL"
//}
    if ($data['code'] != 200 || !isset($data['data'])) {
        return ['code' => "500", 'msg' => "登录错误" . $data['errmsg']];
    }
    $data = $data['data'];
    if (isset($data['errcode']) && $data['errcode']) {
        return ['code' => "502", 'msg' => "code错误," . $data['errmsg']];
    }
    // 请求用户信息
    $info_url = "https://api.weixin.qq.com/sns/userinfo?access_token={$data['access_token']}&openid={$data['openid']}";
    $user_info = curl_get($info_url);
    if ($user_info['code'] != 200 || !isset($user_info['data'])) {
        return ['code' => "500", 'msg' => "登录错误" . $user_info['errmsg']];
    }
    $data = $user_info['data'];
    if (!isset($data['openid']) || !isset($data['nickname']) || !isset($data['headimgurl'])) {
        return ['code' => "500", 'msg' => "APP登录失败,网络繁忙"];
    }
    return ['code' => 200, 'data' => $data];
}

// API
function appLogin() {
	$code = $_POST['code'];
	$user_wechat_info = $this->getWechatInfoByAPP($code);
	print_r($user_wechat_info);
}

// curl get请求
function curl_get($url) {
    $header = [
        'Accept: application/json',
    ];
    $curl = curl_init();
    // 设置抓取的url
    curl_setopt($curl, CURLOPT_URL, $url);
    // 设置头文件的信息作为数据流输出
    curl_setopt($curl, CURLOPT_HEADER, false);
    // 超时设置,以秒为单位
    curl_setopt($curl, CURLOPT_TIMEOUT, 1);

    // 超时设置，以毫秒为单位
    // curl_setopt($curl, CURLOPT_TIMEOUT_MS, 500);

    // 设置请求头
    curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
    // 设置获取的信息以文件流的形式返回，而不是直接输出。
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    // 执行命令
    $data = curl_exec($curl);
    $error = curl_error($curl);
    curl_close($curl);

    // 显示错误信息
    if ($error) {
        return ['code' => 500, 'msg' => $error];
    } else {
        return ['code' => 200, 'msg' => 'success', 'data' => json_decode($data, true)];
    }
}