401 lines
13 KiB
PHP
401 lines
13 KiB
PHP
<?php
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/**
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* 后台管理系统-文章管理
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*/
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namespace app\admin\controller;
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use app\admin\controller\Base;
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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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class Article extends Base
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{
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// 文章列表
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public function articlelist()
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{
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if (Request::isPost()) {
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$category = input('post.category');
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$page = input('post.page', 1);
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$limit = input('post.limit', 20);
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$query = Db::table('yz_article')
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->where('delete_time', null)
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->where('status', '<>', 3);
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if (!empty($category)) {
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// 先获取分类ID
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$cateInfo = Db::table('yz_article_category')
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->where('name', $category)
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->where('delete_time', null)
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->where('status', 1)
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->find();
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if ($cateInfo) {
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$query = $query->where('cate', $cateInfo['id']);
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}
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}
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// 获取总记录数
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$count = $query->count();
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// 获取分页数据
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$lists = $query->order('id DESC')
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->page($page, $limit)
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->select()
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->each(function ($item) {
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// 获取分类信息
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$cateInfo = Db::table('yz_article_category')
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->where('id', $item['cate'])
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->field('name, image')
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->find();
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// 设置分类名称
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$item['cate'] = $cateInfo['name'];
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// 如果文章没有图片，使用分类的图片
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if (empty($item['image']) && !empty($cateInfo['image'])) {
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$item['image'] = $cateInfo['image'];
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}
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// 格式化时间
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$item['create_time'] = date('Y-m-d H:i:s', $item['create_time']);
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$item['publishdate'] = $item['publishdate'] ? date('Y-m-d H:i:s', $item['publishdate']) : '';
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return $item;
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});
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return json([
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'code' => 0,
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'msg' => '获取成功',
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'count' => $count,
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'data' => $lists
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]);
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} else {
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// 获取所有分类并构建父子结构
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$allCategories = Db::table('yz_article_category')
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->where('delete_time', null)
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->where('status', 1)
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->order('sort asc, id asc')
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->select()
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->toArray();
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$categories = [];
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foreach ($allCategories as $category) {
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if ($category['cid'] == 0) {
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$category['children'] = [];
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foreach ($allCategories as $subCategory) {
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if ($subCategory['cid'] == $category['id']) {
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$category['children'][] = $subCategory;
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}
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}
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$categories[] = $category;
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}
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}
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View::assign([
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'categories' => $categories
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]);
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return View::fetch();
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}
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}
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// 添加文章
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public function add()
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{
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if (Request::isPost()) {
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$data = [
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'title' => input('post.title'),
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'cate' => input('post.cate'),
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'image' => input('post.image'),
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'content' => input('post.content'),
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'author' => input('post.author'),
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'desc' => input('post.desc'),
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'status' => input('post.status', 2),
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'publishdate' => time(),
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'create_time' => time()
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];
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$insert = Db::table('yz_article')->insert($data);
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if (empty($insert)) {
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return json(['code' => 1, 'msg' => '添加失败', 'data' => []]);
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}
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return json(['code' => 0, 'msg' => '添加成功', 'data' => []]);
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} else {
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$lists = Db::table('yz_article')
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->order('id DESC')
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->select()
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->each(function ($item, $key) {
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$item['create_time'] = time();
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return $item;
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});
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View::assign([
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'lists' => $lists
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]);
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return View::fetch();
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}
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}
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// 编辑文章
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public function edit()
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{
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if (Request::isPost()) {
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$id = input('get.id');
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$data = [
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'title' => input('post.title'),
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'cate' => input('post.cate'),
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'image' => input('post.image'),
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'content' => input('post.content'),
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'author' => input('post.author'),
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'desc' => input('post.desc'),
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'status' => input('post.status', 2),
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'update_time' => time()
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];
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$update = Db::table('yz_article')->where('id', $id)->update($data);
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return json(['code' => $update === false ? 1 : 0, 'msg' => $update === false ? '更新失败' : '更新成功', 'data' => []]);
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} else {
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$id = input('get.id');
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$info = Db::table('yz_article')->where('id', $id)->find();
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if ($info === null) {
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return json(['code' => 1, 'msg' => '文章不存在', 'data' => []]);
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}
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$cates = Db::table('yz_article_category')
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->where('delete_time', null)
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->where('status', 1)
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->order('sort asc, id asc')
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->select()
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->toArray();
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$info['content'] = !empty($info['content']) ? htmlspecialchars_decode(str_replace(["\r\n", "\r", "\n"], '', addslashes($info['content']))) : '';
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$currentCate = Db::table('yz_article_category')
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->where('id', $info['cate'])
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->where('delete_time', null)
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->where('status', 1)
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->find();
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$info['cate_name'] = $currentCate ? $currentCate['name'] : '';
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View::assign([
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'info' => $info,
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'cates' => $cates
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]);
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return View::fetch();
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}
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}
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// 删除文章
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public function delete()
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{
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$id = input('post.id');
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$data = [
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'delete_time' => time(),
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];
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$delete = Db::table('yz_article')->where('id', $id)->update($data);
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if ($delete === false) {
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return json(['code' => 1, 'msg' => '删除失败', 'data' => []]);
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}
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return json(['code' => 0, 'msg' => '删除成功', 'data' => []]);
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}
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// 文章分类
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public function articlecate()
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{
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if (Request::isPost()) {
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$lists = Db::table('yz_article_category')
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->where('delete_time', null)
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->where('status', 1)
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->order('sort asc, id asc')
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->select()
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->toArray();
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// 构建树形结构
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$tree = [];
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foreach ($lists as $item) {
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if ($item['cid'] == 0) {
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$node = [
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'id' => $item['id'],
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'title' => $item['name'],
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'children' => []
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];
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// 查找子分类
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foreach ($lists as $subItem) {
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if ($subItem['cid'] == $item['id']) {
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$node['children'][] = [
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'id' => $subItem['id'],
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'title' => $subItem['name'],
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'children' => []
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];
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}
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}
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$tree[] = $node;
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}
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}
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return json(['code' => 0, 'msg' => '获取成功', 'data' => $tree]);
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}
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// 非 POST 请求返回视图
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return View::fetch();
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}
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//获取分类结构
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public function getcate()
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{
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// 获取所有分类
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$lists = Db::table('yz_article_category')
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->where('delete_time', null)
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->where('status', 1)
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->order('sort asc, id asc')
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->select()
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->toArray();
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// 构建父子结构
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$tree = [];
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foreach ($lists as $item) {
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if ($item['cid'] == 0) {
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// 顶级分类
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$tree[] = $item;
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} else {
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// 子分类
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foreach ($tree as &$parent) {
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if ($parent['id'] == $item['cid']) {
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if (!isset($parent['children'])) {
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$parent['children'] = [];
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}
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$parent['children'][] = $item;
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break;
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}
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}
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}
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}
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return json(['code' => 0, 'msg' => '获取成功', 'data' => $tree]);
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}
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// 添加文章分类
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public function cateadd()
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{
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if (Request::isPost()) {
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$data = [
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'name' => input('post.name'),
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'image' => input('post.image'),
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'cid' => input('post.cid'),
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'sort' => input('post.sort', 0),
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'status' => input('post.status', 1),
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'create_time' => time()
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];
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$insert = Db::table('yz_article_category')->insert($data);
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if (empty($insert)) {
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return json(['code' => 1, 'msg' => '添加失败', 'data' => []]);
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}
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return json(['code' => 0, 'msg' => '添加成功', 'data' => []]);
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} else {
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// 获取所有可选的父级分类
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$parentCategories = Db::table('yz_article_category')
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->where('delete_time', null)
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->where('status', 1)
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->where('cid', 0)
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->field('id, name')
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->select()
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->toArray();
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return json([
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'code' => 0,
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'msg' => '获取成功',
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'data' => [
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'parentOptions' => $parentCategories
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]
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]);
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}
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}
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//编辑文章分类
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public function cateedit()
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{
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if (Request::isPost()) {
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$data = [
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'id' => input('post.id'),
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'name' => input('post.name'),
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'image' => input('post.image'),
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'cid' => input('post.cid'),
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'sort' => input('post.sort', 0),
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'status' => input('post.status', 1),
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'update_time' => time()
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];
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$update = Db::table('yz_article_category')
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->where('id', $data['id'])
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->update($data);
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if ($update === false) {
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return json(['code' => 1, 'msg' => '更新失败', 'data' => []]);
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}
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return json(['code' => 0, 'msg' => '更新成功', 'data' => []]);
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} else {
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$id = input('get.id');
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$info = Db::table('yz_article_category')->where('id', $id)->find();
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// 获取所有可选的父级分类
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$parentCategories = Db::table('yz_article_category')
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->where('delete_time', null)
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->where('status', 1)
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->where('id', '<>', $id) // 排除自己
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->where(function ($query) use ($id) {
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// 排除自己的所有子分类
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$query->where('cid', '<>', $id);
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})
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->field('id, name, cid')
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->select()
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->toArray();
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// 构建父级分类选项
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$parentOptions = [];
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foreach ($parentCategories as $category) {
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if ($category['cid'] == 0) {
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$parentOptions[] = [
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'id' => $category['id'],
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'name' => $category['name']
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];
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}
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}
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return json([
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'code' => 0,
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'msg' => '获取成功',
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'data' => [
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'info' => $info,
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'parentOptions' => $parentOptions
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]
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]);
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}
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}
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//删除文章分类
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public function catedel()
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{
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$id = input('post.id');
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// 检查是否有子分类
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$hasChildren = Db::table('yz_article_category')
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->where('cid', $id)
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->where('delete_time', null)
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->find();
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if ($hasChildren) {
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return json(['code' => 1, 'msg' => '该分类下有子分类，无法删除', 'data' => []]);
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}
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$delete = Db::table('yz_article_category')
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->where('id', $id)
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->update(['delete_time' => time()]);
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if ($delete === false) {
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return json(['code' => 1, 'msg' => '删除失败', 'data' => []]);
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}
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return json(['code' => 0, 'msg' => '删除成功', 'data' => []]);
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}
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} |