372 lines
11 KiB
PHP
372 lines
11 KiB
PHP
<?php
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/**
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* 程序下载控制器
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*/
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namespace app\index\controller;
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use app\index\controller\BaseController;
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use think\Response;
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use think\facade\Db;
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use think\facade\View;
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use think\facade\Request;
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use app\index\model\Resources\Resources;
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use app\index\model\Resources\ResourcesCategory;
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use app\index\model\Attachments;
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class ProgramController extends BaseController
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{
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//资源中心
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public function index()
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{
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// 获取前端传来的分类ID
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$cateid = input('cateid/d', 0);
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$page = input('page/d', 1);
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$limit = input('limit/d', 10);
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// 获取所有顶级分类
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$categories = ResourcesCategory::where('cid', 0)
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->where('delete_time', null)
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->where('status', 1)
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->select()
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->toArray();
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// 获取顶级分类信息
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$category = null;
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if ($cateid > 0) {
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$category = ResourcesCategory::where('id', $cateid)
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->where('delete_time', null)
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->where('status', 1)
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->find();
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}
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// 获取所有子分类
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$subCategories = [];
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if ($cateid > 0) {
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$subCategories = ResourcesCategory::where('cid', $cateid)
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->where('delete_time', null)
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->where('status', 1)
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->select()
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->toArray();
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}
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// 获取所有子分类ID
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$subCategoryIds = array_column($subCategories, 'id');
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if ($cateid > 0) {
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$subCategoryIds[] = $cateid;
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}
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// 构建资源查询条件
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$where = [
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['delete_time', '=', null],
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['status', '=', 1]
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];
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if (!empty($subCategoryIds)) {
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$where[] = ['cate', 'in', $subCategoryIds];
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}
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// 查询资源
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$programs = Resources::where($where)
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->order('id DESC')
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->page($page, $limit)
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->select()
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->toArray();
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// 按子分类分组资源
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$groupedPrograms = [];
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foreach ($subCategories as $subCategory) {
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$groupedPrograms[$subCategory['id']] = [
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'id' => $subCategory['id'],
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'name' => $subCategory['name'],
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'list' => []
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];
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}
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// 将资源分配到对应的子分类
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foreach ($programs as $program) {
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if (isset($groupedPrograms[$program['cate']])) {
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$groupedPrograms[$program['cate']]['list'][] = $program;
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}
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}
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// 获取总数
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$total = Resources::where($where)->count();
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// 准备返回数据
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$data = [
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'cate' => [
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'id' => $cateid,
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'name' => $category ? $category['name'] : '',
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'desc' => $category ? $category['desc'] : '',
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'image' => $category ? $category['image'] : '',
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'subCategories' => array_values($groupedPrograms),
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'total' => $total,
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'page' => $page,
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'limit' => $limit
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]
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];
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// 根据请求方式返回不同的输出
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if (request()->isPost()) {
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return json([
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'code' => 1,
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'msg' => '获取成功',
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'data' => $data
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]);
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} else {
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// 为视图准备数据
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$viewData = [
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'categories' => $categories,
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'cate' => $data['cate']
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];
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return view('index', $viewData);
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}
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}
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// 程序列表页
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public function list()
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{
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// 获取分类ID
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$cateId = Request::param('cate/d', 0);
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// 构建查询条件
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$where = [
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['a.delete_time', '=', null],
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['a.status', '=', 1]
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];
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if ($cateId > 0) {
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$where[] = ['a.cate', '=', $cateId];
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}
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// 获取程序列表
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$programs = Resources::alias('a')
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->join('resources_category c', 'a.cate = c.id')
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->where($where)
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->field([
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'a.*',
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'IF(a.icon IS NULL OR a.icon = "", c.icon, a.icon) as icon'
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])
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->order('a.id DESC')
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->paginate([
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'list_rows' => 10,
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'query' => Request::instance()->param()
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]);
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// 获取分类信息
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$category = null;
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if ($cateId > 0) {
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$category = ResourcesCategory::where('id', $cateId)
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->where('delete_time', null)
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->where('status', 1)
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->find();
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}
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// 获取所有分类
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$categories = ResourcesCategory::where('delete_time', null)
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->where('status', 1)
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->select()
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->toArray();
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// 如果是POST请求，返回JSON数据
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if (Request::isPost()) {
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return json([
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'code' => 1,
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'msg' => '获取成功',
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'data' => [
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'programs' => $programs->items(),
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'total' => $programs->total(),
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'current_page' => $programs->currentPage(),
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'per_page' => $programs->listRows(),
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'category' => $category
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]
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]);
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}
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// GET请求返回渲染的视图
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View::assign([
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'programs' => $programs,
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'category' => $category,
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'categories' => $categories
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]);
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return View::fetch('list');
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}
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// 程序详情页
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public function detail()
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{
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$id = Request::param('id/d', 0);
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$program = Resources::where('id', $id)->find();
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if (!$program) {
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return json(['code' => 0, 'msg' => '程序不存在或已被删除']);
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}
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// 如果size没有，从附件表中获取
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if (empty($program['size']) && !empty($program['fileurl'])) {
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$attachment = Attachments::where('src', $program['fileurl'])
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->find();
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if ($attachment && !empty($attachment['size'])) {
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$size = $attachment['size'];
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// 转换文件大小为合适的单位
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if ($size >= 1073741824) { // 1GB = 1024MB = 1024*1024KB = 1024*1024*1024B
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$program['size'] = round($size / 1073741824, 2) . 'GB';
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} elseif ($size >= 1048576) { // 1MB = 1024KB = 1024*1024B
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$program['size'] = round($size / 1048576, 2) . 'MB';
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} else {
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$program['size'] = round($size / 1024, 2) . 'KB';
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}
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}
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}
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// 如果size存在，确保转换为合适的单位
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if (!empty($program['size']) && is_numeric($program['size'])) {
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$size = $program['size'];
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if ($size >= 1073741824) {
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$program['size'] = round($size / 1073741824, 2) . 'GB';
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} elseif ($size >= 1048576) {
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$program['size'] = round($size / 1048576, 2) . 'MB';
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} else {
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$program['size'] = round($size / 1024, 2) . 'KB';
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}
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}
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// 获取分类名称
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$cateName = ResourcesCategory::where('id', $program['cate'])
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->value('name');
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// 获取上一个和下一个程序
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$prevProgram = Resources::where('id', '<', $id)
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->where('delete_time', null)
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->where('status', 1)
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->order('id DESC')
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->find();
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$nextProgram = Resources::where('id', '>', $id)
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->where('delete_time', null)
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->where('status', 1)
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->order('id ASC')
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->find();
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// 获取相关程序（同分类的其他程序）
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$relatedPrograms = Resources::alias('p')
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->join('yz_resources_category c', 'p.cate = c.id')
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->where('p.cate', $program['cate'])
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->where('p.id', '<>', $id)
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->where('p.delete_time', null)
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->where('p.status', 1)
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->field([
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'p.id',
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'p.title',
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'p.desc',
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'COALESCE(p.icon, c.icon) as icon'
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])
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->order('p.id DESC')
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->limit(3)
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->select()
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->toArray();
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// 如果是 AJAX 请求，返回 JSON 数据
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if (Request::isAjax()) {
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return json([
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'code' => 1,
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'msg' => '获取成功',
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'data' => [
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'program' => $program,
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'cateName' => $cateName,
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'prevProgram' => $prevProgram,
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'nextProgram' => $nextProgram,
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'relatedPrograms' => $relatedPrograms
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]
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]);
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}
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// 非 AJAX 请求返回视图
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View::assign([
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'program' => $program,
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'cateName' => $cateName,
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'prevProgram' => $prevProgram,
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'nextProgram' => $nextProgram,
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'relatedPrograms' => $relatedPrograms
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]);
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return View::fetch('detail');
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}
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// 程序下载
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public function download()
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{
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$id = Request::param('id/d', 0);
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$program = Resources::where('id', $id)
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->where('delete_time', null)
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->where('status', 1)
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->find();
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if (!$program) {
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return json(['code' => 0, 'msg' => '程序不存在或已被删除']);
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}
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// 更新下载次数
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Resources::where('id', $id)->inc('downloads')->update();
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return json([
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'code' => 1,
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'msg' => '获取成功',
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'data' => [
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'fileurl' => $program['fileurl']
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]
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]);
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}
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// 获取访问统计
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public function viewStats()
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{
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$id = Request::param('id/d', 0);
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// 获取总访问量
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$totalViews = Resources::where('id', $id)
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->value('views');
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return json([
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'code' => 1,
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'data' => [
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'total' => $totalViews
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]
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]);
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}
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/**
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* 更新程序访问次数
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*/
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public function updateViews()
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{
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if (!Request::isPost()) {
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return json(['code' => 0, 'msg' => '非法请求']);
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}
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$id = Request::post('id');
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if (!$id) {
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return json(['code' => 0, 'msg' => '参数错误']);
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}
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try {
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// 更新访问次数
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$program = Resources::where('id', $id)->find();
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if (!$program) {
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return json(['code' => 0, 'msg' => '程序不存在']);
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}
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// 更新访问次数
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Resources::where('id', $id)->inc('views')->update();
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// 获取更新后的访问次数
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$newViews = Resources::where('id', $id)->value('views');
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return json(['code' => 1, 'msg' => '更新成功', 'data' => ['views' => $newViews]]);
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} catch (\Exception $e) {
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return json(['code' => 0, 'msg' => '更新失败：' . $e->getMessage()]);
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}
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}
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}
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