taglib 增加一个U函数的tag

library/think/template/taglib/Cx.php

@@ -47,6 +47,7 @@ class Cx extends Taglib
         'assign'     => ['attr' => 'name,value', 'close' => 0],
         'define'     => ['attr' => 'name,value', 'close' => 0],
         'for'        => ['attr' => 'start,end,name,comparison,step'],
+        'url'        => ['attr' => 'link,vars,suffix,domain','close'=>0, 'expression' => true],
     ];
 
     /**
@@ -703,4 +704,21 @@ class Cx extends Taglib
         $parseStr .= '<?php } ?>';
         return $parseStr;
     }
+
+    /**
+     * U函数的tag标签
+     * 格式：<url link="模块/控制器/方法" vars="参数" suffix="true或者false 是否带有后缀" domain="true或者false 是否携带域名" />
+     * @access public
+     * @param array $tag 标签属性
+     * @param string $content 标签内容
+     * @return string
+     */
+    public function _url($tag, $content)
+    {
+        $url=isset($tag['link'])?$tag['link']:'';
+        $vars=isset($tag['vars'])?$tag['vars']:'';
+        $suffix=isset($tag['suffix'])?$tag['suffix']:'true';
+        $domain=isset($tag['domain'])?$tag['domain']:'false';
+        return '<?php echo U("'.$url.'","'.$vars.'",'.$suffix.','.$domain.');?>';
+    }
 }