微信小程序生成太阳码

时间 2019-11-20

标签微信程序生成太阳繁體版

原文原文链接

微信小程序生成太阳码php

https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=access_token

必须经过POST提交数据库

并且参数必须是JSON的格式json

<?php

/**
 * curl请求数据
 *
 * @param string $url 请求地址
 * @param array $param 请求参数
 * @param string $contentType 请求参数格式(json)
 * @return boolean|mixed
 */
function https_request($url = '', $param = [], $contentType = ''){
    $ch = curl_init();

    // 请求地址
    curl_setopt($ch, CURLOPT_URL, $url);

    // 请求参数类型
    $param = $contentType == 'json' ? json_encode($param) : $param;

    // 关闭https验证
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

    // post提交
    if($param){
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $param);
    }

    // 返回的数据是否自动显示
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    // 执行并接收响应结果
    $output = curl_exec($ch);

    // 关闭curl
    curl_close($ch);

    return $output !== false ? $output : false;
}

$access_token="10_X1w4ypXMdfliiv4orym7n7Ur8UMV3LsPAyyBng-DOjcZfAW1mlfKb1BAvBQuBIMUvk_Bq2lv3E2TI8QLvTrnmy1TBxoDeXu_JvR_sobPBkUimmA-aNasktu-J6UWLCgAAAFUL";
$request_url='https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token='.$access_token;
$request_data=array(
    'scene'=>'abcdef',
    'page'=>'pages/home/index',
    'width'=>'690'
);

print_r(https_request($request_url,$request_data,'json'));

这里有几点须要注意，page参数中的值必定要是小程序中存在的。小程序

这里的access_token是用小程序的Appid和AppSecret生成的。以前还傻乎乎的去开启公众号的APPSecret。微信小程序

再一个，这里返回的数据，不是JSON数据，而是二维码图片数据。api

如何经过postman操做呢？微信

万能的POSTMAN啊。curl

{"page":"pages/home/index","scene":"abcdef","width":690}

封装

封装接口函数

// 获取太阳码
public function get_xcx_code() {
        $uid = $_POST['uid'];
        if (!$uid) {
            $this->json->setErr('10001', '缺乏参数');
            $this->json->Send();
        }

        // 获取用户信息
        $user_model = M('user');
        $user_info  = $user_model->where(['id'=>$uid])->find();
        if (!$user_info) {
            $this->json->setErr('10002', '用户不存在');
            $this->json->Send();
        }

        $scene = $user_info['invite_code'];

        vendor('Func.Http');
        $request_data = [
            'scene' => $scene,
            'page'  => "pages/home/index",
            'width' => 690
        ];

        $request_url='https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token='.$this->get_access_token();
        $result = Http::doPostJson($request_url,$request_data);
        header('Content-Type: image/jpeg; charset=UTF-8');
        echo $result;exit;
}

处理成base64post

// 获取太阳码
public function get_xcx_code() {
        $uid = $_POST['uid'];
        if (!$uid) {
            $this->json->setErr('10001', '缺乏参数');
            $this->json->Send();
        }

        // 获取用户信息
        $user_model = M('user');
        $user_info  = $user_model->where(['id'=>$uid])->find();
        if (!$user_info) {
            $this->json->setErr('10002', '用户不存在');
            $this->json->Send();
        }
        $scene = $user_info['invite_code'];
        vendor('Func.Http');
        $request_data = [
            'scene' => $scene,
            'page'  => "pages/home/index",
//            'width' => 690
        ];
        $request_url='https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token='.$this->get_access_token();
        $result = Http::doPostJson($request_url,$request_data);
        // ob_clean();
        // header('Content-Type: image/png; charset=UTF-8');
        // echo $result;exit;
        $this->json->setErr(0, '获取成功');
        $this->json->setAttr('data',base64_encode($result));
        $this->json->Send();
}

封装post请求

// 经过POST方式发送json数据
static public function doPostJson($url = '', $param = [] ,$contentType = 'json') {
        $ch = curl_init();
        // 请求地址
        curl_setopt($ch, CURLOPT_URL, $url);
        // 请求参数类型
        $param = $contentType == 'json' ? json_encode($param) : http_build_query($param);
        // 关闭https验证
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        // post提交
        if($param){
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $param);
        }
        // 返回的数据是否自动显示
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        // 执行并接收响应结果
        $output = curl_exec($ch);
        // 关闭curl
        curl_close($ch);
        return $output !== false ? $output : false;
}

继续升级

// 获取太阳码
public function get_xcx_code() {
        $uid = $_POST['uid'];
        if (!$uid) {
            $this->json->setErr('10001', '缺乏参数');
            $this->json->Send();
        }

        // 查看是否已存储到数据库
        $user_suncode_model = M('user_suncode');
        $user_suncode_info = $user_suncode_model->where(['uid'=>$uid])->find();
        if ($user_suncode_info) {
            $this->json->setErr(0, '获取成功');
            $this->json->setAttr('data',$user_suncode_info['code_imgurl']);
            $this->json->Send();
        }

        // 获取用户信息
        $user_model = M('user');
        $user_info  = $user_model->where(['id'=>$uid])->find();
        if (!$user_info) {
            $this->json->setErr('10002', '用户不存在');
            $this->json->Send();
        }
        
        $scene = $user_info['invite_code'];
        vendor('Func.Http');
        $request_data = [
            'scene' => $scene,
            'page'  => "pages/home/index",
        ];
        $request_url='https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token='.$this->get_access_token();
        $result = Http::doPostJson($request_url,$request_data);

        // 存入cdn
        $cdn_result = $this->upload_cdn($result,'suncode');

        if ($cdn_result['errno'] == 0) {
            // 存入数据库
            $add_data = [
                'uid' => $uid,
                'code_imgurl' => $cdn_result['save_name'],
                'addtime' => time()
            ];

            $user_suncode_model = M('user_suncode');
            $user_suncode_model->add($add_data);

            $this->json->setErr(0, '获取成功');
            $this->json->setAttr('data',$cdn_result['save_name']);
            $this->json->Send();
        } else {
            $this->json->setErr(10099, '获取失败');
            $this->json->Send();
        }
}

cdn函数

public function upload_cdn($img_result,$folders="common"){
        $date_folders = date('Ymd',time());
        $savePath =  "site_upload/".$folders.'/'.$date_folders.'/';// 设置附件上传目录
        if (!is_dir($savePath)){
            @mkdir('./'.$savePath, 0777,true);
        }

        $file_name = time().'_'.mt_rand().".png";
        $upload_flag = file_put_contents($savePath.$file_name,$img_result);

        if($upload_flag){
            vendor('Qiniu.Qiniu');
            $qiniu = new Qiniu();

            $img =  C('SF_HOST'). $savePath . $file_name;

            $ext = pathinfo($img, PATHINFO_EXTENSION);
            $name = time() . mt_rand() . '.' . $ext;
            $s = $qiniu->up($img, $name, C('QINIU.BUCKET'));

            if($s){
                @unlink('./'.$savePath . $file_name);
                $res['errno']='0';
                $res['errmsg']='ok';
                $res['save_name'] = C('CDN.URI') . $name;
            }else{
                @unlink('./' .$savePath . $file_name);
                $res['errno']='10001';
                $res['errmsg']='上传cdn失败';
            }
        }else{
            $res['errno']='10002';
            $res['errmsg']='上传图片失败';
        }

        return $res;

 }