Drupal 7 在此服务器上找不到请求的URL/drupalhr/drupal/employee/add/

我在drupal中创建了一个带有实体的自定义模块。我已经安装了实体api模块。我通过employee_management.install文件（其中as employee_management是我的自定义模块名）和employee是我的实体名的帮助，创建了只有两列（employee_id，first_name）的数据库模式

我还编写了必需的函数employee_management.module，但它仍然向我显示错误，每当我尝试在admin/structure/employee中添加新实体时，它都会向我显示以下错误：“未找到”

在此服务器上找不到请求的URL drupal/employee/add/

function employee_management_entity_info() { 
    $employee_info['employee'] = array(
    // A human readable label to identify our entity.
    'label' => t('Employee Entity'),
    // The controller for our Entity - extends the Drupal core controller.
    'controller class' => 'EmployeeController',
    // The table defined in hook_schema()
    'base table' => 'employee',
    // Returns the uri elements of an entity
    'uri callback' => 'employee',
    // Fieldable that we can attach fields to it - the core functionality will
    // do the heavy lifting here.
    'fieldable' => TRUE,
    // The unique key of our base table.
    'entity keys' => array(
      'id' => 'employee_id',
    ),
    // FALSE disables caching -  caching functionality is handled by Drupal core
    'static cache' => TRUE,
    // Attach bundles - i.e. alternative configurations of fields associated with a main entity.
    'bundles' => array(
      'employee' => array(
        'label' => 'Employee',
        // Information below is used by the Field UI - they "attach" themselves here and lets us
        // do the standard field management that all the core entities enjoy.
        'admin' => array(
          'path' => 'admin/structure/employee/add',
          'access arguments' => array('administer employee entities'),
        ),
      ),
    ),
    // View modes allow entities to be displayed differently based on context. We simply have one option
    // here but an alternative would be to have a Full and Teaser mode akin to node.
    'view modes' => array(
      'full' => array(
        'label' => t('Full'),
        'custom settings' => FALSE,
      ),
    )
  );

  return $employee_info;
}

编辑

function employee_uri($employee) {
  return array(
    'path' => 'employee/' . $employee->employee_id,
  );
}

---

这是文件employee_management.module中功能的完整列表。如果不能自动获得创建实体的路径和表单，则必须自己实现。见和