class C_User extends CI_Controller {

    public function __construct()
    {
        parent::__construct();
        //加载模型类
        $this->load->model('m_user');
        $this->load->model('m_user_data');
        $this->load->model('m_attach');
        $this->load->model('m_login');
        $this->load->model('m_user_friendship');
        $this->load->model('m_anoname_data');
        $this->load->model('m_user_mobilebook');
        $this->load->model('m_token');

    }



    /**
     * 根据注册用户名搜索用户信息(列表)
     */
    public function search_by_user_name()
    {
........