CI3框架初识-控制其使用注意-Call to a member function model() on null in

来源：互联网发布：java模块化编程编辑：程序博客网时间：2024/05/29 14:22

入手ci3 在使用model处理数据的时候发现各种报错，结果是控制器中的构造方法需要加载父类构造方法

报错提示如下： Fatal error: Call to a member function model() on null in

报错例子如下：

A PHP Error was encountered

Severity: Notice

Message: Undefined property: Blog::$load

Filename: controllers/Blog.php

Line Number: 16

Backtrace:

File: D:\UPUPW_AP5.6\htdocs\ci3\application\controllers\Blog.php
Line: 16
Function: _error_handler

File: D:\UPUPW_AP5.6\htdocs\ci3\index.php
Line: 316
Function: require_once

( ! ) Fatal error: Call to a member function model() on null in D:\UPUPW_AP5.6\htdocs\ci3\application\controllers\Blog.php on line 16
Call Stack
# Time Memory FunctionLocation
1 0.0002 145256 {main}( )...\index.php:0
2 0.0026 147632 require_once( 'D:\UPUPW_AP5.6\htdocs\ci3\system\core\CodeIgniter.php' )...\index.php:316
3 0.0363 318920 Blog->__construct( )...\CodeIgniter.php:518
A PHP Error was encountered

Severity: Error

Message: Call to a member function model() on null

Filename: controllers/Blog.php

Line Number: 16

Backtrace:

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