lw_test/app/talent/controller/My.php

<?php

namespace app\talent\controller;

use app\talent\TalentBaseController;

class My extends TalentBaseController
{
    public function password()
    {
        return view();
    }

    public function passwordPost()
    {
        $data = input('post.');

        if ($this->user['password'] != md5(md5($this->user['salt']) . $data['old_password'])) {
            ajax_return(1, '原密码错误');
        }
        if ($data['new_password'] != $data['confirm_password']) {
            ajax_return(1, '新密码和确认密码不一致');
        }

        $this->user->salt     = rand_str();
        $this->user->password = md5(md5($this->user->salt) . $data['new_password']);
        $this->user->save();

        session('talent.user.id', null);

        ajax_return();
    }
}