管理员模块curd

abstract：<?phpnamespace app\admin\controller;use think\Controller;use think\facade\Request;use app\admin\model\User;use think\facade\Session;use app\admin\controller\Coomn;class Userl extends Coomn{  &

<?php

namespace app\admin\controller;

use think\Controller;

use think\facade\Request;

use app\admin\model\User;

use think\facade\Session;

use app\admin\controller\Coomn;

class Userl extends Coomn

{

    public function index()

    {

    //用户表数据

    $res = user::all();

    $this->assign('res',$res);

        return $this->fetch();

    }

    public function add()

    {

    return $this->fetch();

    }

    public function add_do()

    {

    //接值

    $data = Request::param();

    //取出username

    $username = $data['username'];

    $password = $data['password'];

    $data['password'] = md5($password);

    $data['create_time'] = time();

    //查询数据库当前传过来的用户名是否存在

    $res = user::where('username',$username)->find();

    //如果存在return一个数组,0代表失败,msg提示信息

    if (true == $res) {

    return ['res'=>0,'msg'=>"用户名已存在"];

    }

    if (!user::insert($data)) {

    return ['res'=>0,'msg'=>"用户添加失败"];

    }else{

    return ['res'=>1,'msg'=>"用户添加成功"];

    }

    }

    public function dle()

    {

        $id = Request::param('id');

        $data = user::destroy($id);

        if ($data ==true) {

            return ['res'=>1,'msg'=>'删除成功'];

        }else{

            return ['res'=>0,'msg'=>'删除失败'];

        }

    }

    public function upl()

    {

        $id = Request::param('id');

        // $res=user::all(function($query)use($id){

        //     $query->where('id',$id)->find();

        // });

        $res = user::where('id',$id)->find();

        $this->assign('res',$res);

        dump($res);

        return $this->fetch();

    }

    public function upl_do()

    {

        $data = Request::param();

        $id = $data['id'];

        $res = user::where('id',$id)->update($data);

        if (!$res == true) {

            return ['res'=>0,'msg'=>'修改失败'];

        }else{

            return ['res'=>1,'msg'=>'修改成功'];

        }

    }

}

Correcting teacher：查无此人Correction time：2019-05-17 09:35:43
Teacher's summary：完成的不错，后台cms管理系统，就是操作数据库。继续加油。