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<?php
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namespace app\admin\controller\mobile\course;
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use app\common\controller\Backend;
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use think\Db;
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/**
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* 课程兑换码管理
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*
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* @icon fa fa-circle-o
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*/
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class CourseCode extends Backend
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{
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/**
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* CourseCode模型对象
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* @var \app\admin\model\mobile\course\CourseCode
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*/
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protected $model = null;
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public function _initialize()
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{
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parent::_initialize();
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$this->model = new \app\admin\model\mobile\course\CourseCode;
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$this->view->assign("statusList", $this->model->getStatusList());
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}
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/**
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* 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
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* 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
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* 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
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*/
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/**
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* 查看
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*/
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public function index()
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{
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$this->checkCodeMaturity(); //检测兑换码到期时间
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$course_id = $this->request->request('course_id');
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//当前是否为关联查询
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$this->relationSearch = false;
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//设置过滤方法
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$this->request->filter(['strip_tags', 'trim']);
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if ($this->request->isAjax())
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{
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//如果发送的来源是Selectpage，则转发到Selectpage
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if ($this->request->request('keyField'))
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{
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return $this->selectpage();
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}
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list($where, $sort, $order, $offset, $limit) = $this->buildparams();
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$total = $this->model
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->where('course_id',$course_id)
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->where($where)
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->order($sort, $order)
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->count();
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$list = $this->model
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->where('course_id',$course_id)
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->where($where)
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->order($sort, $order)
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->limit($offset, $limit)
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->select();
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foreach ($list as $row) {
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$row->visible(['id','code','status','expire_time','createtime']);
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}
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$list = collection($list)->toArray();
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$result = array("total" => $total, "rows" => $list);
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return json($result);
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}
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return $this->view->fetch();
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}
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/**
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* 生成非销售兑换码
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*/
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public function createCode()
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{
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if(request()->isAjax()){
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$course_id = $this->request->request('course_id');
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$saveData = [];
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for($i=0;$i<100;$i++){
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$saveData[] = [
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'course_id' => $course_id,
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'code' => $this->randStr(),
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'expire_time' => strtotime('+1 month'),
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];
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}
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$res = $this->model->saveAll($saveData);
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if($res){
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$this->success('创建成功');
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}else{
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$this->error('创建失败');
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}
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}
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}
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/**
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* 生成不重复的兑换码
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*/
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public function randStr($randLength=6)
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{
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$chars = "ABCDEFGHIJKLMNOPQRSTUVWXYabcdefghijklmnopqrstuvwxyz0123456789";
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$rand_str = '';
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for ($i=0;$i<$randLength;$i++){
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$rand_str .= $chars[rand(0,strlen($chars)-1)];
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}
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$info = $this->model->field('id')->where('code',$rand_str)->find();
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if($info){
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$rand_str = $this->randStr($randLength);
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}
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return $rand_str;
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}
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/**
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* 检测兑换码到期时间
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*/
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public function checkCodeMaturity()
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{
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$time = time();
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$this->model->where("expire_time < {$time}")->setField('status', '2');
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}
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} |
...
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...
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