Php 如何在codeigniter中调用自定义助手的自定义同级方法并使用数据库
编辑Php 如何在codeigniter中调用自定义助手的自定义同级方法并使用数据库,php,codeigniter,codeigniter-3,crud,grocery-crud,Php,Codeigniter,Codeigniter 3,Crud,Grocery Crud,编辑 <?php defined('BASEPATH') OR exit('No direct script access allowed'); function getCrud($table_name, $subject) { $CI =& get_instance(); $CI->load->database(); $crud = new grocery_Crud(); $crud->set_table($ta
<?php defined('BASEPATH') OR exit('No direct script access allowed');
function getCrud($table_name, $subject)
{
$CI =& get_instance();
$CI->load->database();
$crud = new grocery_Crud();
$crud->set_table($table_name);
$crud->set_subject($subject);
$crud->unset_read();
$crud->unset_clone();
$crud->where(array($table_name.'.flag' => '1'));
$crud->callback_delete(function ($primary_key) use ($table_name) {
return $CI->db->update($table_name, array('flag'=>'0'), array('id'=>$primary_key));
});
return $crud;
}
function oneToMany($table_name, $subject, $rel_table,$field='name')
{
$crud = getGrocreyCrud($table_name, $subject);
$crud->set_relation($rel_table.'_id', $rel_table, 'name', array('flag' => '1'));
$output = $crud->render();
return $output;
}
也许下面的方法可以奏效
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
if(!function_exists('getCrud'))
{
function getCrud($table_name, $subject)
{
// some code
}
}
if(!function_exists('oneToMany'))
{
function oneToMany()
{
$CI =&get_instance();
$crud = getCrud($table_name, $subject);
return $crud ;
}
}
要创建帮助程序还是库?看来你把这两者混在了一起,陷入了一个混乱的世界。我强烈建议您阅读Codeigniter用户指南,了解如何编写帮助程序/库。您“无法调用上述函数”是什么意思?这不起作用。虽然这解决了OP的全局变量和局部变量的问题,但它仍然不能工作,因为$CI->引用的是一个类方法,而这不是。OP仍然需要做一些阅读,明确他们打算做什么。示例中的getCrud函数是一个帮助函数,而不是类方法。所以它永远不会被这样调用。然后我们就有了参数传递的问题。$table_name和$subject来自哪里?
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
if(!function_exists('getCrud'))
{
function getCrud($table_name, $subject)
{
// some code
}
}
if(!function_exists('oneToMany'))
{
function oneToMany()
{
$CI =&get_instance();
$crud = getCrud($table_name, $subject);
return $crud ;
}
}
class Gc_script
{
public $CI;
public function __construct()
{
$this->CI =& get_instance();
$this->CI->config->item('base_url');
}
public function getGrocreyCrud($table_name, $read=null)
{
$crud = new grocery_Crud();
$crud->set_table($table_name);
$crud->set_subject(ucwords(str_replace('_', ' ', $table_name)));
$crud->callback_delete(function ($primary_key) use ($table_name) {
return $this->CI->db->update($table_name, array('flag'=>'0'), array('id'=>$primary_key));
});
return $crud;
}
}