application/modelsUserinfo_model.php

<?php

if (!defined('BASEPATH'))
	exit('No direct script access allowed');
class Userinfo_model extends CI_Model
{
    private $table ='user_info_history';
    private static $DB;
	public function __construct()
	{
		parent::__construct();
		self::$DB = $this->load->database('default', TRUE);
	}
	
	
	/**
	 *获取单条数据
	 * */
	public function getUserInfoRow($userId=0)
	{
	    self::$DB->where('id', $userId);
	    $result = self::$DB->get($this->table);
	    return $result->row_array();
	}
	/**
	 *获取用户邀请码
	 * */
	public function getUserinvitecode($userId=0)
	{
	    self::$DB->where('userId', $userId);
	    self::$DB->select('invitecode');
	    $result = self::$DB->get($this->table);
	    return $result->row_array();
	}	
	/**
	 *获取用户id
	 * */
	public function getUserId($invitecode=0)
	{
	    self::$DB->select('userId');
	    self::$DB->where('invitecode',$invitecode);
	     
	    $result = self::$DB->get($this->table);
	    return $result->row_array();
	}
	/**
	 * 添加
	 * */
	public function insertData($userData)
	{
	    $bool = self::$DB->insert($this->table, $userData);
	    $res = $bool ? self::$DB->insert_id() : false;
		return $res;
	}
	
    /**
     * 修改
     * */

	public function setUserByID($updateData, $userId , $typeFlag=0)
	{
	    self::$DB->where('userId', $userId);
	    return self::$DB->update($this->table, $updateData);
	}
	
	/**
	 * 删除用户
	 * */
	public function delete( $userId )
	{
	    self::$DB->where( 'userId', $userId );
	    $query = self::$DB->delete( $this->table);
	    return $query ? $userId : false;
	}
}
?>