fastadmin/application/common/controller/Backend.php

391 lines
12 KiB
PHP

<?php
namespace app\common\controller;
use app\admin\library\Auth;
use think\Config;
use think\Controller;
use think\Lang;
use think\Session;
load_trait('library/traits/Backend');
/**
* 后台控制器基类
*/
class Backend extends Controller
{
/**
* 返回码,默认为null,当设置了该值后将输出json数据
* @var int
*/
protected $code = null;
/**
* 返回内容,默认为null,当设置了该值后将输出json数据
* @var mixed
*/
protected $data = null;
/**
* 返回文本,默认为空
* @var mixed
*/
protected $msg = '';
/**
* 无需登录的方法,同时也就不需要鉴权了
* @var array
*/
protected $noNeedLogin = [];
/**
* 无需鉴权的方法,但需要登录
* @var array
*/
protected $noNeedRight = [];
/**
* 布局模板
* @var string
*/
protected $layout = 'default';
/**
* 权限控制类
* @var Auth
*/
protected $auth = null;
/**
* 快速搜索时执行查找的字段
*/
protected $searchFields = 'id';
/**
* 是否是关联查询
*/
protected $relationSearch = false;
/**
* 是否开启Validate验证
*/
protected $modelValidate = false;
/**
* 是否开启模型场景验证
*/
protected $modelSceneValidate = false;
/**
* Multi方法可批量修改的字段
*/
protected $multiFields = 'status';
/**
* 引入后台控制器的traits
*/
use \app\admin\library\traits\Backend;
public function _initialize()
{
$modulename = $this->request->module();
$controllername = strtolower($this->request->controller());
$actionname = strtolower($this->request->action());
$path = '/' . $modulename . '/' . str_replace('.', '/', $controllername) . '/' . $actionname;
// 定义是否Addtabs请求
!defined('IS_ADDTABS') && define('IS_ADDTABS', input("addtabs") ? TRUE : FALSE);
// 定义是否Dialog请求
!defined('IS_DIALOG') && define('IS_DIALOG', input("dialog") ? TRUE : FALSE);
// 定义是否AJAX请求
!defined('IS_AJAX') && define('IS_AJAX', $this->request->isAjax());
$this->auth = Auth::instance();
// 设置当前请求的URI
$this->auth->setRequestUri($path);
// 检测是否需要验证登录
if (!$this->auth->match($this->noNeedLogin))
{
//检测是否登录
if (!$this->auth->isLogin())
{
$url = Session::get('referer');
$url = $url ? $url : $this->request->url();
$this->error(__('Please login first'), url('index/login', ['url' => $url]));
}
// 判断是否需要验证权限
if (!$this->auth->match($this->noNeedRight))
{
// 判断控制器和方法判断是否有对应权限
if (!$this->auth->check($path))
{
$this->error(__('You have no permission'), NULL);
}
}
}
// 非选项卡时重定向
if (!$this->request->isPost() && !IS_AJAX && !IS_ADDTABS && !IS_DIALOG && input("ref") == 'addtabs')
{
$url = preg_replace_callback("/([\?|&]+)ref=addtabs(&?)/i", function($matches) {
return $matches[2] == '&' ? $matches[1] : '';
}, $this->request->url());
$this->redirect('index/index', [], 302, ['referer' => $url]);
exit;
}
// 设置面包屑导航数据
$breadcrumb = $this->auth->getBreadCrumb($path);
array_pop($breadcrumb);
$this->view->breadcrumb = $breadcrumb;
// 如果有使用模板布局
if ($this->layout)
{
$this->view->engine->layout('layout/' . $this->layout);
}
// 语言检测
$lang = Lang::detect();
$site = Config::get("site");
// 配置信息
$config = [
'site' => array_intersect_key($site, array_flip(['name', 'cdnurl', 'version', 'timezone', 'languages'])),
'upload' => \app\common\model\Config::upload(),
'modulename' => $modulename,
'controllername' => $controllername,
'actionname' => $actionname,
'jsname' => 'backend/' . str_replace('.', '/', $controllername),
'moduleurl' => rtrim(url("/{$modulename}", '', false), '/'),
'language' => $lang,
'referer' => Session::get("referer")
];
$this->loadlang($controllername);
$this->assign('site', $site);
$this->assign('config', $config);
$this->assign('admin', Session::get('admin'));
}
/**
* 加载语言文件
* @param string $name
*/
protected function loadlang($name)
{
Lang::load(APP_PATH . $this->request->module() . '/lang/' . Lang::detect() . '/' . str_replace('.', '/', $name) . '.php');
}
/**
* 生成查询所需要的条件,排序方式
* @param mixed $searchfields 查询条件
* @param boolean $relationSearch 是否关联查询
* @return array
*/
protected function buildparams($searchfields = null, $relationSearch = null)
{
$searchfields = is_null($searchfields) ? $this->searchFields : $searchfields;
$relationSearch = is_null($relationSearch) ? $this->relationSearch : $relationSearch;
$search = $this->request->get("search", '');
$filter = $this->request->get("filter", '');
$op = $this->request->get("op", '');
$sort = $this->request->get("sort", "id");
$order = $this->request->get("order", "DESC");
$offset = $this->request->get("offset", 0);
$limit = $this->request->get("limit", 0);
$filter = json_decode($filter, TRUE);
$op = json_decode($op, TRUE);
$filter = $filter ? $filter : [];
$where = [];
$modelName = '';
if ($relationSearch)
{
if (!empty($this->model))
{
$class = get_class($this->model);
$name = basename(str_replace('\\', '/', $class));
$name = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $name));
$modelName = $name . ".";
}
if (stripos($sort, ".") === false)
{
$sort = $modelName . $sort;
}
}
if ($search)
{
$searcharr = is_array($searchfields) ? $searchfields : explode(',', $searchfields);
$searchlist = [];
foreach ($searcharr as $k => $v)
{
$searchlist[] = (stripos($v, ".") !== false ? $v : "{$modelName}`{$v}`") . " LIKE '%{$search}%'";
}
$where[] = "(" . implode(' OR ', $searchlist) . ")";
}
foreach ($filter as $k => $v)
{
$sym = isset($op[$k]) ? $op[$k] : '=';
if (stripos($k, ".") === false)
{
$k = $modelName . $k;
}
$sym = isset($op[$k]) ? $op[$k] : $sym;
switch ($sym)
{
case '=':
case '!=':
case 'LIKE':
case 'NOT LIKE':
$where[] = [$k, $sym, $v];
break;
case '>':
case '>=':
case '<':
case '<=':
$where[] = [$k, $sym, intval($v)];
break;
case 'IN(...)':
case 'NOT IN(...)':
$where[] = [$k, str_replace('(...)', '', $sym), explode(',', $v)];
break;
case 'BETWEEN':
case 'NOT BETWEEN':
$where[] = [$k, $sym, array_slice(explode(',', $v), 0, 2)];
break;
case 'LIKE %...%':
$where[] = [$k, 'LIKE', "%{$v}%"];
break;
case 'IS NULL':
case 'IS NOT NULL':
$where[] = [$k, strtolower(str_replace('IS ', '', $sym))];
break;
default:
break;
}
}
$where = function($query) use ($where) {
foreach ($where as $k => $v)
{
if (is_array($v))
{
call_user_func_array([$query, 'where'], $v);
}
else
{
$query->where($v);
}
}
};
return [$where, $sort, $order, $offset, $limit];
}
/**
* Selectpage的实现方法
*
* 当前方法只是一个比较通用的搜索匹配,请按需重载此方法来编写自己的搜索逻辑,$where按自己的需求写即可
* 这里示例了所有的参数,所以比较复杂,实现上自己实现只需简单的几行即可
*
*/
protected function selectpage()
{
//设置过滤方法
$this->request->filter(['strip_tags', 'htmlspecialchars']);
//搜索关键词,客户端输入以空格分开,这里接收为数组
$word = (array) $this->request->request("q_word/a");
//当前页
$page = $this->request->request("page");
//分页大小
$pagesize = $this->request->request("page_size");
//搜索条件
$andor = $this->request->request("and_or");
//排序方式
$orderby = (array) $this->request->request("order_by/a");
//显示的字段
$field = $this->request->request("field");
//主键
$primarykey = $this->request->request("pkey_name");
//主键值
$primaryvalue = $this->request->request("pkey_value");
//搜索字段
$searchfield = (array) $this->request->request("search_field/a");
//自定义搜索条件
$custom = (array) $this->request->request("custom/a");
$order = [];
foreach ($orderby as $k => $v)
{
$order[$v[0]] = $v[1];
}
$field = $field ? $field : 'name';
//如果有primaryvalue,说明当前是初始化传值
if ($primaryvalue)
{
$where = [$primarykey => ['in', $primaryvalue]];
}
else
{
$where = function($query) use($word, $andor, $field, $searchfield, $custom) {
foreach ($word as $k => $v)
{
foreach ($searchfield as $m => $n)
{
$query->where($n, "like", "%{$v}%", $andor);
}
}
if ($custom && is_array($custom))
{
foreach ($custom as $k => $v)
{
$query->where($k, '=', $v);
}
}
};
}
$list = [];
$total = $this->model->where($where)->count();
if ($total > 0)
{
$list = $this->model->where($where)
->order($order)
->page($page, $pagesize)
->field("{$primarykey},{$field}")
->field("password,salt", true)
->select();
}
//这里一定要返回有list这个字段,total是可选的,如果total<=list的数量,则会隐藏分页按钮
return json(['list' => $list, 'total' => $total]);
}
/**
* 析构方法
*
*/
public function __destruct()
{
//判断是否设置code值,如果有则变动response对象的正文
if (!is_null($this->code))
{
$result = [
'code' => $this->code,
'msg' => $this->msg,
'time' => $_SERVER['REQUEST_TIME'],
'data' => $this->data,
];
echo json_encode($result);
}
}
}