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118 lines
3.3 KiB
118 lines
3.3 KiB
<?php
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namespace app\common\service\qrcode;
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use app\common\model\User as UserModel;
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use cores\exception\BaseException;
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use Exception;
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use Grafika\Grafika;
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use think\db\exception\DataNotFoundException;
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use think\db\exception\DbException;
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use think\db\exception\ModelNotFoundException;
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use function base_url;
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class InviteUser extends BaseQRcode
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{
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// 当前客户端 (默认H5)
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private string $channel;
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// 用户信息
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private UserModel $userInfo;
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/**
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* 构造方法
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* Goods constructor.
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* @param UserModel $userInfo
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* @param string $channel 二维码渠道(小程序码、h5码)
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*/
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public function __construct(UserModel $userInfo, string $channel = 'H5')
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{
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parent::__construct();
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// 用户信息
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$this->userInfo = $userInfo;
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// 当前客户端
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$this->channel = $channel;
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}
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/**
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* 拼接海报图
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* @return string
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* @throws BaseException
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* @throws DataNotFoundException
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* @throws DbException
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* @throws ModelNotFoundException
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* @throws Exception
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*/
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public function getImage(): string
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{
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// 判断海报图文件存在则直接返回url
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if (file_exists($this->getPosterPath())) {
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return $this->getPosterUrl();
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}
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// 商城ID
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$storeId = $this->userInfo['store_id'];
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// 商品海报背景图
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$backdrop = __DIR__ . '/resource/invite_user.png';
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// 小程序码参数
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$scene = "refereeId:" . ($this->userInfo['user_id'] ?: '');
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// 下载小程序码
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$page = 'pages/login/index';
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$qrcode = $this->getQrcode($storeId, $scene, $page, $this->channel);
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// 拼接海报图
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return $this->savePoster($backdrop, $qrcode);
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}
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/**
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* 拼接海报图
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* @param string $backdrop 背景图路径
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* @param string $qrcode 二维码图路径
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* @return string
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* @throws Exception
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*/
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private function savePoster(string $backdrop, string $qrcode): string
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{
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// 实例化图像编辑器
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$editor = Grafika::createEditor(['Gd']);
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// 打开海报背景图
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$editor->open($backdropImage, $backdrop);
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// 打开小程序码
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$editor->open($qrcodeImage, $qrcode);
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// 重设小程序码宽高
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$editor->resizeExact($qrcodeImage, 140, 140);
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// 小程序码添加到背景图
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$editor->blend($backdropImage, $qrcodeImage, 'normal', 1.0, 'top-left', 520, 700);
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// 保存图片
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$editor->save($backdropImage, $this->getPosterPath());
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return $this->getPosterUrl();
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}
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/**
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* 海报图文件路径
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* @return string
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*/
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private function getPosterPath(): string
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{
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// 保存路径
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$tempPath = web_path() . "temp/{$this->userInfo['store_id']}/";
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!is_dir($tempPath) && mkdir($tempPath, 0755, true);
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return $tempPath . $this->getPosterName();
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}
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/**
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* 海报图文件名称
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* @return string
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*/
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private function getPosterName(): string
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{
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return 'invite_' . md5("{$this->userInfo['user_id']}_$this->channel") . '.png';
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}
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/**
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* 海报图url
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* @return string
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*/
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private function getPosterUrl(): string
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{
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return base_url() . 'temp/' . $this->userInfo['store_id'] . '/' . $this->getPosterName() . '?t=' . time();
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}
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} |