Php 向Codeigniter中的库发送函数
这在我的控制器中工作Php 向Codeigniter中的库发送函数,php,codeigniter,Php,Codeigniter,这在我的控制器中工作 $this->load->driver('cache'); //working // $data['advisory']=$advisory = $this->cache->memcached->get('advisory'); // if(! $advisory) // { // $data['advisory']=$advisory = $this->Mhomework->getbyadvisory($this->
$this->load->driver('cache');
//working
// $data['advisory']=$advisory = $this->cache->memcached->get('advisory');
// if(! $advisory)
// {
// $data['advisory']=$advisory = $this->Mhomework->getbyadvisory($this->teacherid);
// $this->cache->memcached->save('advisory' , $advisory);
// }
我制作了一个图书馆,如下所示,以便我可以为其他人使用它
function cache($key, $data)
{
$this->CI->load->driver('cache');
$cache = $this->CI->cache->memcached->get($key);
if (!$cache) {
// There's been a miss, so run our data function and store it
$cache = $data($CI);
//$cache = $data;
$this->CI->cache->memcached->save($key, $cache);
}
return $cache;
}
在控制器中,我改成了下面的命令,这给出了一个错误
$data['advisory'] = $this->hwtracker->cache('advisory.'.$this->teacherid, function(&$CI){
return $CI->Mhomework->getbyadvisory($this->teacherid);
});
// error Call to a member function getbyadvisory() on a non-object in ... controller
// Message: Trying to get property of non-object
我的问题是如何将函数发送到CodeIgniter中的库?或者我可以吗
更新:
function getbyadvisory($id){
$Q="SELECT *, studentid, COUNT(studentid),be_user_profiles.first_name,
be_user_profiles.last_name
FROM be_user_profiles
LEFT JOIN hw_homework
ON be_user_profiles.user_id= hw_homework.studentid
WHERE be_user_profiles.advisor = $id
GROUP BY be_user_profiles.user_id
ORDER BY COUNT(studentid) DESC";
$query = $this->db->query($Q);
if ($query->num_rows() > 0)
{
foreach ($query->result_array() as $row)
{
$data[] = $row;
}
}
else
{
$data = FALSE;
}
$query->free_result();
return $data;
}
请将您的库更改为这样
function cache($key, $data)
{
$this->CI->load->driver('cache');
//bind your key here
$key_details = $data.$key;
$cache = $this->CI->cache->memcached->get($key_details);
if (!$cache) {
// There's been a miss, so run our data function and store it
$cache = $this->$data($key);
//$cache = $data;
$this->CI->cache->memcached->save($key, $cache);
}
return $cache;
}
//new advisory function in library
function advisory($teacherid){
return $this->CI->Mhomework->getbyadvisory($teacherid);
}
$data['advisory'] = $this->hwtracker->cache($this->teacherid,'advisory');
在控制器中,像这样调用
function cache($key, $data)
{
$this->CI->load->driver('cache');
//bind your key here
$key_details = $data.$key;
$cache = $this->CI->cache->memcached->get($key_details);
if (!$cache) {
// There's been a miss, so run our data function and store it
$cache = $this->$data($key);
//$cache = $data;
$this->CI->cache->memcached->save($key, $cache);
}
return $cache;
}
//new advisory function in library
function advisory($teacherid){
return $this->CI->Mhomework->getbyadvisory($teacherid);
}
$data['advisory'] = $this->hwtracker->cache($this->teacherid,'advisory');
发布
getbyadvisory()
函数的代码,我认为您正在传递object
,同时它接受数组。请确保Mhomework
已加载。$this->CI->load->model('welcome/Mhomework');在库构造函数中加载。1。我想在$this->hwtracker->cache()中添加一个函数,而不是在库中。2.它在第278行的/Users/teacher/Sites/hw_current2/application/libraries/Hwtracker.php中对未定义的方法Hwtracker::data()进行错误调用