abstract：<?php namespace app\index\controller; use app\index\model\User; class Index { protected $user; public function __construct(User $user) {
<?php namespace app\index\controller; use app\index\model\User; class Index { protected $user; public function __construct(User $user) { $this->user = $user; } public function hello() { return 'Hello,' . $this->user->name . '！'; } }依赖注入
Correcting teacher：天蓬老师Correction time：2020-03-08 17:35:48
Teacher's summary：代码应该放在代码块中, 并且格式化后再提交