wkshi/app/Admin/Controllers/HomeController.php

<?php

namespace App\Admin\Controllers;

use App\Article;
use App\Articletype;
use App\Exam;
use App\Examarg;
use App\Http\Controllers\Controller;
use App\Question;
use App\School;
use App\Sclass;
use App\User;
use Encore\Admin\Widgets\InfoBox;
use DB;
use Illuminate\Http\Request;
use function EasyWeChat\Kernel\data_to_array;
use Encore\Admin\Controllers\Dashboard;
use Encore\Admin\Facades\Admin;
use Encore\Admin\Layout\Column;
use Encore\Admin\Layout\Content;
use Encore\Admin\Layout\Row;
use Illuminate\Support\Facades\Storage;
use Maatwebsite\Excel\Facades\Excel;


class HomeController extends Controller
{
    public function index(Request $request)
    {
        return Admin::content(function (Content $content) use ($request) {

            $content->header('统计');
            $content->description('微考试信息');
            $start_time = $request->get('start_time');
            $stop_time = $request->get('stop_time');

            $content->row(function ($row) use ($request) {
                $school_num = School::count();
                $sclass_num = Sclass::count();
                $student_num = User::count();
                $question_num = Question::count();
                $art_count = Article::count();
                $exam_count = Examarg::count();

                //$row->column(2, new InfoBox('总项目数', 'users', 'aqua', '/demo/users', Project::filter($request)->count('*')));
                $row->column(2, new InfoBox('学校数量', 'bank', 'green', '/admin/school', $school_num));
                $row->column(2, new InfoBox('班级数量', 'asl-interpreting', 'red', '/admin/sclass', $sclass_num));
                $row->column(2, new InfoBox('学生数量', 'graduation-cap', 'yellow', '/admin/users', $student_num));
                $row->column(2, new InfoBox('试卷数', 'twitch', 'purple', '/admin/examarg', $exam_count));
                $row->column(2, new InfoBox('题目数量', 'file-text', 'purple', '/admin/question', $question_num));
                $row->column(2, new InfoBox('文章总数', 'bars', 'purple', '/admin/article', $art_count));

            });
            $bills = (User::get([DB::raw('DATE_FORMAT(created_at,"%Y-%m") as ym'), DB::raw('DATE_FORMAT(created_at,"%Y") as year'), DB::raw('DATE_FORMAT(created_at,"%m") as month')]));


            $content->row(function ($row) use ($bills) {

                $studentCount = collect($bills)->groupBy('ym')->map(function ($v, $k) {
//                    Salary::where('time', 'like', "{$k}%")->where('ac', 'F')->sum('money')
                    return (collect($v)->count() + 0);
                })->toArray();

                $keys = array_keys(array_flip(array_keys($studentCount)));
                $row->column(12, view('admin.charts.line', [
                    'title' => '每月学生增加数',
                    'come' => ($this->getValue($studentCount, $keys)),
                    'keys' => $keys
                ]));
            });

            $school = (School::get([DB::raw('DATE_FORMAT(created_at,"%Y-%m") as ym'), DB::raw('DATE_FORMAT(created_at,"%Y") as year'), DB::raw('DATE_FORMAT(created_at,"%m") as month'), DB::raw('schools.*')]));
            $sclass = (Sclass::get([DB::raw('DATE_FORMAT(created_at,"%Y-%m") as ym'), DB::raw('DATE_FORMAT(created_at,"%Y") as year'), DB::raw('DATE_FORMAT(created_at,"%m") as month')]));
            $article = (Article::get([DB::raw('DATE_FORMAT(created_at,"%Y-%m") as ym'), DB::raw('DATE_FORMAT(created_at,"%Y") as year'), DB::raw('DATE_FORMAT(created_at,"%m") as month'), DB::raw('articles.*')]));


            $content->row(function ($row) use ($school, $sclass, $article) {

                $scloo_num = collect($school)->groupBy('ym')->map(function ($v, $k) {
                    return (collect($v)->count() + 0);
                })->toArray();
                $sclass_num = collect($sclass)->groupBy('ym')->map(function ($v, $k) {
//                    Salary::where('time', 'like', "{$k}%")->where('ac', 'F')->sum('money')
                    return (collect($v)->count() + 0);
                })->toArray();
                $article_num = collect($article)->groupBy('ym')->map(function ($v, $k) {
//                    Salary::where('time', 'like', "{$k}%")->where('ac', 'F')->sum('money')
                    return (collect($v)->count() + 0);
                })->toArray();

                $keys = array_keys(array_flip(array_keys($article_num)));
                $row->column(12, view('admin.charts.sline', [
                    'title' => '每月学校班级等增加数',
                    'school' => ($this->getValue($scloo_num, $keys)),
                    "sclass" => ($this->getValue($sclass_num, $keys)),
                    "article" => ($this->getValue($article_num, $keys)),
                    'keys' => $keys,
                ]));
            });

        });


    }


    public function getValue($arr, $keys)
    {
        return collect($keys)->map(function ($v) use ($arr) {
            return isset($arr[$v]) ? $arr[$v] : 0;
        })->values();
    }


    public function getSchoolApi(Request $request)
    {
        $q = $request->get('q');
        return School::where('name', 'like', "%$q%")->paginate(null, ['id', 'name as text']);
    }

    public function getClassApi(Request $request)
    {
        $q = $request->get('q');
        return Sclass::where('school_id', $q)->select('id', 'name as text')->get();
    }

    public function getArticleTypeApi(Request $request)
    {
        return Articletype::select('id', 'name as text')->get();
    }

    public function getExams()
    {
        return Exam::select('id', 'name as text')->get();
    }

    public function getSchoolSclass()
    {
        $allsclass = Sclass::get();
        $selectdata = [];
        foreach ($allsclass as $key => $value) {
            $selectdata[] = array(
                'id' => $value['id'],
                "text" => $value['school']['name'] . '-' . $value['name']
            );
        }
        return $selectdata;
    }

    protected function upload(Request $request)
    {

        //图片存储方法。如果为图片存起来。如果不是返回''
        $fileCharater = $request->file('file');
        if (!$fileCharater) {
            $msg = '请选择上传文件';
            return view('admin.tools.excelskip', compact('msg'));
        }

        if ($fileCharater->isValid()) { //括号里面的是必须加的哦
            //如果括号里面的不加上的话，下面的方法也无法调用的

            $originalName = $fileCharater->getClientOriginalName(); // 文件原名
            $ext = $fileCharater->getClientOriginalExtension();     // 扩展名
            $realPath = $fileCharater->getRealPath();   //临时文件的绝对路径
            $type = $fileCharater->getClientMimeType();     // image/jpeg


            if (strpos($type, 'vnd.openxmlformats-officedocument.spreadsheetml.sheet') === false) {
                return '非法格式';
            }
            ////            // 上传文件
            $filename = date('Y-m-d-H-i-s') . '-' . uniqid() . '.' . 'xlsx';
            // 使用我们新建的uploads本地存储空间（目录）
            //这里的uploads是配置文件的名称
            $bool = Storage::disk('uploads')->put($filename, file_get_contents($realPath));
            if ($bool) {
                $filePath = 'storage/app/public/uploads/' . $filename;
                $data = [];
                Excel::load($filePath, function ($reader) use (&$data) {
                    $reader = $reader->getSheet(0);
                    $data = $reader->toArray();
                });
                array_splice($data, 0, 2);
                $questions = [];
                foreach ($data as $key => $row) {
                    $question['name'] = $row[1];
                    $question['category'] = array_search($row[2], Question::$categoryMap);
                    $question['type'] = $row[3];
                    $question['answers'] = [];
                    for ($i = 0; $i < strlen($row[4]); $i++) {
                        $question['answers'][] = strtoupper(substr($row[4], $i, 1));
                    }
                    $question['options'] = [];
                    if ($row[5] !== null) $question['options'][] = ['name' => 'A', 'val' => $row[5]];
                    if ($row[6] !== null) $question['options'][] = ['name' => 'B', 'val' => $row[6]];
                    if ($row[7] !== null) $question['options'][] = ['name' => 'C', 'val' => $row[7]];
                    if ($row[8] !== null) $question['options'][] = ['name' => 'D', 'val' => $row[8]];
                    if ($row[9] !== null) $question['options'][] = ['name' => 'E', 'val' => $row[9]];
                    if ($row[10] !== null) $question['options'][] = ['name' => 'F', 'val' => $row[10]];
                    if ($row[11] !== null) $question['options'][] = ['name' => 'G', 'val' => $row[11]];

                    if ($question['name'] && $question['type'] && count($question['answers']) && count($question['options'])) {
                        $model = new Question($question);
                        $model->save();
                    }
                }

                $msg = "上传成功";
                return view('admin.tools.excelskip', compact('msg'));

            }
            return "文件错误只能使用模板上传";

        }


    }


//    protected function upload(Request $request)
//    {
//        //图片存储方法。如果为图片存起来。如果不是返回''
//        $fileCharater = $request->file('file');
//
//        if ($fileCharater->isValid()) { //括号里面的是必须加的哦
//            //如果括号里面的不加上的话，下面的方法也无法调用的
//
//            $originalName = $fileCharater->getClientOriginalName(); // 文件原名
//            $ext = $fileCharater->getClientOriginalExtension();     // 扩展名
//            $realPath = $fileCharater->getRealPath();   //临时文件的绝对路径
//            $type = $fileCharater->getClientMimeType();     // image/jpeg
//
////            if (strpos($type, 'octet-stream') === false) {
////                return '非法格式';
////            }
//
//            $filePath = 'storage/app/public/uploads/2019-02-18-09-57-23-5c6a8183ebc40.xlsx';
////            $filePath = 'storage/exports/'.iconv('UTF-8', 'GBK', '学生成绩').'.xls';
//
//            Excel::load($filePath, function($reader) {
//                $data = $reader->get();
//                return $data->toArray();
////                foreach($qdatas as $qdata => $value){
////
////                }
//
//            });
//
////            // 上传文件
////            $filename = date('Y-m-d-H-i-s') . '-' . uniqid() . '.' . 'xls';
////            // 使用我们新建的uploads本地存储空间（目录）
////            //这里的uploads是配置文件的名称
////            $bool = Storage::disk('uploads')->put($filename, file_get_contents($realPath));
////            if ($bool) {
////                return '/storage/uploads/' . $filename;
////            }
//        }
//        return 'error';
//    }

}