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laravel框架基础 20191104
阿乎乎的学习
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815 people have browsed it

继续学习laravel框架，学习了视图的基本知识，通过路由对视图传递参数，通过控制器对视图传递参数数据。laravel中blade模板获取参数的时候只会获取数组中的下标作为变量，如果视图不是blade模板的时候，虽然也能通过这种方法传递参数，但在视图内就只能使用PHP语法就行操作。

创建控制器，模型，视图，

111.png

UserModel.php模型获取数据库中的数据实例

<?php

namespace App\Models\Admins;

use Illuminate\Database\Eloquent\Model;

class UserModel extends Model
{
    protected $table='user';
    protected $primaryKey='uid';
    function selectAll(){
        return $this->get()->toArray();
    }
}

运行实例 »

User.php控制器控制数据实例

<?php

namespace App\Http\Controllers\Admins;

use App\Models\Admins\HomeModel;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use App\Models\Admins\UserModel;

class User extends Controller
{
    public function index(UserModel $data){
        $res=$data->selectAll();
        $res['data']=$res;
        $res['nav']=[
            ['name'=>'演员','url'=>'https://www.baidu.com'],
            ['name'=>'导演','url'=>'https://www.163.com'],
        ];
        return view('/admins/user/user',$res);
    }
}

运行实例 »

user.blade.php视图渲染数据实例

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>明星页面</title>
    <style>
        table{
            width: 100%;
            text-align: center;
            border-collapse:collapse;
            margin:0 auto;
        }
        table th,table td{
            border:1px solid black;
        }
        h3{
            text-align: center;
            width: 800px;
            margin:0 auto;
        }
        header div{
            background-color: #1d2124;
            width: 100%;
            height:30px;
            text-align: center;
        }
        header div ul{
            width: 80%;
            height: 30px;
            background-color: #1d2124;
            margin:0 auto;
        }
        header div ul li{
            list-style: none;
            float: left;
            margin:auto 10px;
            height:30px;
            line-height: 30px;
            width:20%;
        }
        a{
            text-decoration: none;
            color:white;
        }
    </style>
</head>
<body>
    @include('admins/public/header')
    <table>
        <h3>演员表</h3>
        <tr>
            <th>演员ID</th>
            <th>姓名</th>
            <th>手机号</th>
            <th>国家</th>
            <th>生日</th>
            <th>体重</th>
            <th>身高</th>
            <th>添加时间</th>
        </tr>
    @foreach($data as $key => $value)
            <tr>
                <td>{{$value['uid']}}</td>
                <td>{{$value['name']}}</td>
                <td>{{$value['phone']}}</td>
                <td>{{$value['country']}}</td>
                <td>{{$value['birthday']}}</td>
                <td>{{$value['weight']}}</td>
                <td>{{$value['height']}}</td>
                <td>{{date('Y-m-d H:m:s',$value['add_time'])}}</td>
            </tr>
    @endforeach
    </table>
</body>
</html>

运行实例 »

公共头部header.blade.php实例

<header>
    <div>
        <nav>
            <ul>
                <li><a href="http://www.laravel.io">首页</a></li>
                @foreach($nav as $item)
                    <li><a href="{{$item['url']}}">{{$item['name']}}</a></li>
                @endforeach
            </ul>
        </nav>
    </div>
</header>

运行实例 »

QQ截图20191105145925.png






Correction status：qualified

Teacher's comments：模型的底层还是数据库查询构造器, 二者要结合着用
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