File: /www/wwwroot/cms.smpolia.com/application/common/taglib/Yzn.php
<?php
// +----------------------------------------------------------------------
// | Yzncms [ 御宅男工作室 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2018 http://yzncms.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 御宅男 <530765310@qq.com>
// +----------------------------------------------------------------------
// +----------------------------------------------------------------------
// | 标签库
// +----------------------------------------------------------------------
namespace app\common\taglib;
use think\template\TagLib;
class Yzn extends Taglib
{
// 标签定义
protected $tags = [
// 标签定义： attr 属性列表 close 是否闭合（0 或者1 默认1） alias 标签别名 level 嵌套层次
'template' => ['attr' => 'file', 'close' => 0],
'yzn' => ['attr' => 'module,action,num,cache,type,catid,id,page,msg,blank,return,moreinfo', 'close' => 1, 'level' => 3],
'get' => ['attr' => 'sql,table,num,cache,page,return,order', 'close' => 1, 'level' => 3],
];
/**
* 加载前台模板
* 格式：{template file="Content/footer.html" theme="主题"/}
* @param $tag
* @param $content
* @return false|string 返回模板解析后的内容
*/
public function tagTemplate($tag, $content)
{
$config = cache('Config');
$theme = isset($tag['theme']) ?: $config['theme'];
$templateFile = $tag['file'];
//不是直接指定模板路径的
if (false === strpos($templateFile, config('template.view_suffix'))) {
$templateFile = TEMPLATE_PATH . $theme . '/' . $templateFile . config('template.view_suffix');
} else {
$templateFile = TEMPLATE_PATH . $theme . '/' . $templateFile;
}
//判断模板是否存在
if (!file_exists($templateFile)) {
$templateFile = str_replace($theme . '/', 'default/', $templateFile);
if (!file_exists($templateFile)) {
return '';
}
}
//读取内容
$tmplContent = file_get_contents($templateFile);
//解析模板
$this->tpl->parse($tmplContent);
return $tmplContent;
}
/**
* yzn标签
* @param $tag
* @param $content
* @return string|void
*/
public function tagYzn($tag, $content)
{
//缓存时间
$cache = isset($tag['cache']) && intval($tag['cache']) ? intval($tag['cache']) : 0;
//数据返回变量
$return = isset($tag['return']) && trim($tag['return']) ? trim($tag['return']) : 'data';
//每页显示总数
$num = isset($tag['num']) && intval($tag['num']) > 0 ? intval($tag['num']) : 20;
//模块
$module = $tag['module'] = strtolower($tag['module']);
//方法
$action = $tag['action'] = trim($tag['action']);
//当前分页参数
$page = $tag['page'] = (isset($tag['page'])) ? ((substr($tag['page'], 0, 1) == '$') ? $tag['page'] : (int) $tag['page']) : 0;
//拼接php代码
$parseStr = '<?php ';
$parseStr .= '$cache = ' . $cache . ';';
$parseStr .= '$cacheID = to_guid_string(' . self::arr_to_html($tag) . ');';
$parseStr .= 'if($cache && $_return = Cache::get($cacheID)):';
$parseStr .= '$' . $return . ' = $_return;';
$parseStr .= 'else: ';
$parseStr .= '$' . $module . 'TagLib = \think\Container::get("\\\\app\\\\' . $module . '\\\\taglib\\\\' . ucwords($module) . 'TagLib");';
$parseStr .= 'if(method_exists($' . $module . 'TagLib, "' . $action . '")):';
$parseStr .= '$' . $return . ' = $' . $module . 'TagLib->' . $action . '(' . self::arr_to_html($tag) . ');';
$parseStr .= 'if($cache):';
$parseStr .= 'Cache::set($cacheID, $' . $return . ', $cache);';
$parseStr .= 'endif;';
$parseStr .= 'endif;';
$parseStr .= 'endif;';
//判断分页
if ($page) {
$parseStr .= 'if($' . $return . ' instanceof \think\Paginator):';
$parseStr .= '$pages = $' . $return . '->render();';
$parseStr .= 'else: ';
$parseStr .= '$pages = "";';
$parseStr .= 'endif;';
//$parseStr .= '$' . $return . ' = $' . $return . '->items();';
}
$parseStr .= ' ?>';
$parseStr .= $content;
if (!empty($parseStr)) {
return $parseStr;
}
return;
}
/**
* 万能标签
* @param $content
* @return bool|string|void
*/
public function tagGet($tag, $content)
{
//缓存时间
$cache = isset($tag['cache']) && intval($tag['cache']) ? intval($tag['cache']) : 0;
//数据返回变量
$return = isset($tag['return']) && trim($tag['return']) ? trim($tag['return']) : 'data';
//每页显示总数
$num = isset($tag['num']) && intval($tag['num']) > 0 ? intval($tag['num']) : 20;
//当前分页参数
$page = $tag['page'] = (isset($tag['page'])) ? ((substr($tag['page'], 0, 1) == '$') ? $tag['page'] : (int) $tag['page']) : 0;
//SQL语句
$sql = "";
if (isset($tag['sql'])) {
$tag['sql'] = $sql = str_replace(array("think_", "yzn_"), config('database.prefix'), strtolower($tag['sql']));
}
//表名
$table = "";
if (isset($tag['table'])) {
$table = str_replace(config('database.prefix'), '', $tag['table']);
}
if (!isset($sql) && !isset($table)) {
return false;
}
//删除，插入不执行！这样处理感觉有点鲁莽了，，，-__,-!
if (isset($sql) && (stripos($sql, "delete")) !== false || isset($sql) && (stripos($sql, "insert")) !== false || isset($sql) && (stripos($sql, "update")) !== false) {
return false;
}
//如果使用table参数方式，使用类似tp的查询语言效果
if ($table) {
$table = strtolower($table);
//条件
$tableWhere = array();
foreach ($tag as $key => $val) {
if (!in_array($key, explode(',', $this->tags['get']['attr']))) {
$tableWhere[$key] = $val;
}
}
if (isset($tag['where'])) {
array_push($tableWhere, $tag['where']);
}
}
//拼接php代码
$parseStr = '<?php ';
if ($page) {
$parseStr .= '$config=app("config")->pull("paginate");';
$parseStr .= '$config["path"]=request()->baseUrl();';
}
$parseStr .= '$cache = ' . $cache . ';';
if ($table) {
$parseStr .= '$cacheID = to_guid_string(' . self::arr_to_html($tag) . ');';
$parseStr .= 'if($cache && $_return = Cache::get($cacheID)):';
$parseStr .= '$' . $return . ' = $_return;';
$parseStr .= 'else: ';
$parseStr .= '$get_db = \think\Db::name(ucwords("' . $table . '"));';
if (isset($tag['order'])) {
$parseStr .= ' $get_db->order("' . $tag['order'] . '"); ';
}
if ($page) {
$parseStr .= '$_count=$get_db->where(' . self::arr_to_html($tableWhere) . ')->count();';
$parseStr .= '$_limit=((' . $page . ' - 1) * ' . $num . ') < 0 ? 0 : (' . $page . ' - 1) * ' . $num . ';';
$parseStr .= '$' . $return . '=$get_db->where(' . self::arr_to_html($tableWhere) . ')->limit($_limit,' . $num . ')->select();';
$parseStr .= '$' . $return . '=\app\cms\paginator\Page::make($data,' . $num . ',' . $page . ',$_count,false,$config);';
} else {
$parseStr .= '$' . $return . '=$get_db->where(' . self::arr_to_html($tableWhere) . ')->limit(' . $num . ')->select();';
}
$parseStr .= 'endif;';
} else {
$parseStr .= '$cacheID = to_guid_string(' . self::arr_to_html($tag) . ');';
$parseStr .= 'if($cache && $_return = Cache::get($cacheID)):';
$parseStr .= '$' . $return . ' = $_return;';
$parseStr .= 'else: ';
//判断是否变量传递
if (substr(trim($sql), 0, 1) == '$') {
$parseStr .= ' $_sql = str_replace(array("think_", "yzn_"), config("database.prefix"),' . $sql . ');';
} else {
$parseStr .= ' $_sql = "' . str_replace('"', '\"', $sql) . '";';
}
if ($page) {
$parseStr .= '$_limit=((' . $page . ' - 1) * ' . $num . ') < 0 ? 0 : (' . $page . ' - 1) * ' . $num . ';';
$parseStr .= '$_count=count(\think\Db::query($_sql."' . (isset($tag["order"]) ? " ORDER BY " . $tag["order"] : "") . '"));';
$parseStr .= '$' . $return . '=\think\Db::query($_sql."' . (isset($tag["order"]) ? " ORDER BY " . $tag["order"] : "") . ' LIMIT $_limit,' . $num . '");';
$parseStr .= '$' . $return . '=\app\cms\paginator\Page::make($data,' . $num . ',' . $page . ',$_count,false,$config);';
} else {
$parseStr .= '$' . $return . '=\think\Db::query($_sql."' . (isset($tag["order"]) ? " ORDER BY " . $tag["order"] : "") . ' LIMIT ' . $num . '");';
}
$parseStr .= 'endif;';
}
$parseStr .= 'if($cache):';
$parseStr .= 'Cache::set($cacheID, $' . $return . ', $cache);';
$parseStr .= 'endif;';
//判断分页
if ($page) {
$parseStr .= '$pages = $' . $return . '->render();';
//$parseStr .= '$' . $return . ' = $' . $return . '->items();';
}
$parseStr .= ' ?>';
$parseStr .= $content;
if (!empty($parseStr)) {
return $parseStr;
}
return;
}
/**
* 转换数据为HTML代码
* @param $data 数组
* @return bool|string
*/
private static function arr_to_html($data)
{
if (is_array($data)) {
$str = '[';
foreach ($data as $key => $val) {
if (is_array($val)) {
$str .= "'$key'=>" . self::arr_to_html($val) . ",";
} else {
//如果是变量的情况
if (is_int($val)) {
$str .= "'$key'=>$val,";
} else if (strpos($val, '$') === 0) {
$str .= "'$key'=>$val,";
} else if (preg_match("/^([a-zA-Z_].*)\(/i", $val, $matches)) {
//判断是否使用函数
if (function_exists($matches[1])) {
$str .= "'$key'=>$val,";
} else {
$str .= "'$key'=>'" . self::newAddslashes($val) . "',";
}
} else {
$str .= "'$key'=>'" . self::newAddslashes($val) . "',";
}
}
}
$str = rtrim($str, ',');
return $str . ']';
}
return false;
}
/**
* 返回经addslashes处理过的字符串或数组
* @param $string 需要处理的字符串或数组
* @return array|string
*/
protected static function newAddslashes($string)
{
if (!is_array($string)) {
return addslashes($string);
}
foreach ($string as $key => $val) {
$string[$key] = self::newAddslashes($val);
}
return $string;
}
}