feat(admin): XHProf 函数监控规则与命中记录

app/admin/controller/xhprof/Watch.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace app\admin\controller\xhprof;
+
+use app\common\controller\AdminController;
+use app\admin\service\annotation\ControllerAnnotation;
+use app\admin\service\annotation\NodeAnotation;
+use think\App;
+
+/**
+ * XHProf 函数监控规则管理
+ * regex 为 PCRE（对被调用函数名匹配），保存前校验编译合法性，
+ * 防止非法正则打爆导入任务的规则编译。
+ *
+ * @ControllerAnnotation(title="XHProf 函数监控规则")
+ */
+class Watch extends AdminController
+{
+    use \app\admin\traits\Curd {
+        \app\admin\traits\Curd::add as curdAdd;
+        \app\admin\traits\Curd::edit as curdEdit;
+    }
+
+    public function __construct(App $app)
+    {
+        parent::__construct($app);
+
+        $this->model = new \app\admin\model\XhprofWatch();
+
+        $this->assign('select_list_status', $this->model::SELECT_LIST_STATUS, true);
+    }
+
+    /**
+     * @NodeAnotation(title="添加")
+     */
+    public function add()
+    {
+        if ($this->request->isPost()) {
+            $this->validateWatchRegex((string) $this->request->post('regex', ''));
+        }
+
+        return $this->curdAdd();
+    }
+
+    /**
+     * @NodeAnotation(title="编辑")
+     */
+    public function edit($id)
+    {
+        if ($this->request->isPost()) {
+            $this->validateWatchRegex((string) $this->request->post('regex', ''));
+        }
+
+        return $this->curdEdit($id);
+    }
+
+    /**
+     * 校验 PCRE 正则合法性（与导入任务 compileWatchRegexes 同一判据）.
+     */
+    protected function validateWatchRegex(string $regex): void
+    {
+        if ($regex === '') {
+            $this->error('正则不能为空');
+        }
+        error_clear_last();
+        if (@preg_match($regex, '') === false) {
+            $error = error_get_last();
+            $message = $error !== null ? $error['message'] : preg_last_error_msg();
+            $this->error('正则非法（必须带定界符，如 ~think\\\\db\\\\.*~）：' . $message);
+        }
+    }
+}