/**
* 转义 // 为 /
*
* @param $var 转义的字符
* @return 转义后的字符
*/
public function addquote($var) {
return str_replace ( "\\\"", "\"", preg_replace ( "/\[([a-zA-Z0-9_\-\.\x7f-\xff]+)\]/s", "['\\1']", $var ) );
}
/**
* 解析PC标签
* @param string $op 操作方式
* @param string $data 参数
* @param string $html 匹配到的所有的HTML代码
*/
public static function pc_tag($op, $data, $html) {
preg_match_all("/([a-z]+)\=[\"]?([^\"]+)[\"]?/i", stripslashes($data), $matches, PREG_SET_ORDER);
$arr = array('action','num','cache','page', 'pagesize', 'urlrule', 'return', 'start','setpages');
$tools = array('json', 'xml', 'block', 'get');
$datas = array();
$tag_id = md5(stripslashes($html));
//可视化条件
$str_datas = 'op='.$op.'&tag_md5='.$tag_id;
foreach ($matches as $v) {
$str_datas .= $str_datas ? "&$v[1]=".($op == 'block' && strpos($v[2], '$') === 0 ? $v[2] : urlencode($v[2])) : "$v[1]=".(strpos($v[2], '$') === 0 ? $v[2] : urlencode($v[2]));
if(in_array($v[1], $arr)) {
$$v[1] = $v[2];
continue;
}
$datas[$v[1]] = $v[2];
}
$str = '';
$setpages = isset($setpages) && intval($setpages) ? intval($setpages) : 10;
$num = isset($num) && intval($num) ? intval($num) : 20;
$cache = isset($cache) && intval($cache) ? intval($cache) : 0;
$return = isset($return) && trim($return) ? trim($return) : 'data';
if (!isset($urlrule)) $urlrule = '';
if (!empty($cache) && !isset($page)) {
$str .= '$tag_cache_name = md5(implode(\'&\','.self::arr_to_html($datas).').\''.$tag_id.'\');if(!$'.$return.' = tpl_cache($tag_cache_name,'.$cache.')){';
}
if (in_array($op,$tools)) {
switch ($op) {
case 'json':
if (isset($datas['url']) && !empty($datas['url'])) {
$str .= '$json = @file_get_contents(\''.$datas['url'].'\');';
$str .= '$'.$return.' = json_decode($json, true);';
}
break;
case 'block':
$str .= '$block_tag = pc_base::load_app_class(\'block_tag\', \'block\');';
$str .= 'echo $block_tag->pc_tag('.self::arr_to_html($datas).');';
break;
}
} else {
if (!isset($action) || empty($action)) return false;
if ( file_exists(APPPATH.'libraries'.DIRECTORY_SEPARATOR.$op.'_tag.php')) {
$str .= 'if(!isset($CI))$CI =& get_instance();$CI->load->library("'.$op.'_tag");if (method_exists($CI->'.$op.'_tag, \''.$action.'\')) {';
if (isset($start) && intval($start)) {
$datas['limit'] = intval($start).','.$num;
} else {
$datas['limit'] = $num;
}
if (isset($page)) {
$str .= '$pagesize = '.$num.';';
$str .= '$page = intval('.$page.') ? intval('.$page.') : 1;if($page<=0){$page=1;}';
$str .= '$offset = ($page - 1) * $pagesize;$urlrule="'.$urlrule.'";';
$datas['limit'] = '$offset.",".$pagesize';
$datas['action'] = $action;
$str .= '$'.$op.'_total = $CI->'.$op.'_tag->count('.self::arr_to_html($datas).');';
$str .= 'if($'.$op.'_total>$pagesize){ $pages = pages($'.$op.'_total, $page, $pagesize, $urlrule); } else { $pages="" ;}';
}
$str .= '$'.$return.' = $CI->'.$op.'_tag->'.$action.'('.self::arr_to_html($datas).');';
$str .= '}';
}
}
if (!empty($cache) && !isset($page)) {
$str .= 'if(!empty($'.$return.')){setcache($tag_cache_name, $'.$return.', \'tpl_data\');}';
$str .= '}';
}
return "<"."?php ".$str."?".">";
}
/**
* PC标签结束
*/
static private function end_pc_tag() {
return '<?php if(defined(\'IN_ADMIN\') && !defined(\'HTML\')) {if(isset($data))unset($data);echo \'</div>\';}?>';
}
/**
* 转换数据为HTML代码
* @param array $data 数组
*/
private static function arr_to_html($data) {
if (is_array($data)) {
$str = 'array(';
foreach ($data as $key=>$val) {
if (is_array($val)) {
$str .= "'$key'=>".self::arr_to_html($val).",";
} else {
if (strpos($val, '$')===0) {
$str .= "'$key'=>$val,";
} else {
$str .= "'$key'=>'".self::new_addslashes($val)."',";
}
}
}
return $str.')';
}
return false;
}
/**
* 返回经addslashes处理过的字符串或数组
* @param $string 需要处理的字符串或数组
* @return mixed
*/
function new_addslashes($string){
if(!is_array($string)) return addslashes($string);
foreach($string as $key => $val) $string[$key] = new_addslashes($val);
return $string;
}
}
然后在global_helper中增加一个 template函数
复制代码 代码如下: