Ustvarjanje aplikacije CRUD z Laravel in Vue.js

V tej vadnici si skupaj ogledamo, kako napisati kodo primera aplikacije CRUD z Laravel in Vue.js.

La Aplikacija za eno stran nam bo omogočil dokončanje cikla osnovnih operacij v DB: ustvarjanje, branje, posodabljanje in brisanje z Vue.js , usmerjevalniki Vue in Okvir Laravel .

Trenutno sta najbolj priljubljena ogrodja JS Angular JS in Vue JS. Angular JS in Vue JS sta zelo uporabniku prijazna in najbolj priljubljena ogrodja JS. Zagotavlja upravljanje celotnega projekta ali aplikacije brez osveževanja strani in zmogljivo validacijo jquery.

Vue je predpakiran z Laravel (skupaj z Mešanica Laravel , odlično avtorsko orodje, ki temelji na spletni nabor ) in omogoča razvijalcem, da začnejo graditi kompleksne enostranske aplikacije, ne da bi skrbeli za transpilerje, kodne pakete, izvorne zemljevide ali druge "umazane" vidike sodobnega razvoja čelnega vmesnika.

Zahteve strežnika

Php 7.4

Laravel 8.x

MySQL

Namestite projekt Laravel

Najprej odprite terminal in zaženite naslednji ukaz, da ustvarite nov projekt laravel:

composer create-project --prefer-dist laravel/laravel crud-spa

ali, če ste namestili Laravel Installer kot globalno odvisnost skladatelja:

laravel new crud-spa

Konfigurirajte podrobnosti baze podatkov:

Po namestitvi Pojdite v korenski imenik projekta, odprite datoteko .env in nastavite podrobnosti baze podatkov, kot sledi:

DB_CONNECTION=mysql 
DB_HOST=127.0.0.1 
DB_PORT=3306 
DB_DATABASE=<DATABASE NAME>
DB_USERNAME=<DATABASE USERNAME>
DB_PASSWORD=<DATABASE PASSWORD>

Namestite odvisnosti npm

Zaženite naslednji ukaz za namestitev sprednjih odvisnosti:

npm install

Po tem namestite pogled ,  usmerjevalnik vue  e vue-axios . Vue-axios bo uporabljen za klic zalednega API-ja Laravel. Zaženite naslednji ukaz na terminalu:

npm install vue vue-router vue-axios --save

Ustvarite selitev, model in krmilnik

Ustvarite predlogo kategorije, selitev in krmilnik. Za to zaženite naslednji ukaz:

php artisan make:model Category -mcr

-mcr  ta tema bo ustvarila model, migracijo in krmilnik z uporabo sinteze enega ukaza.

Zdaj odprite datoteko za selitev kategorij iz baze podatkov / migracija in zamenjajte kodo v funkcijo gor() :

public function up()
{
    Schema::create('categories', function (Blueprint $table) {
        $table->bigIncrements('id');
        $table->string('title');
        $table->text('description');
        $table->timestamps();
    });
}

Preseli bazo podatkov z naslednjim ukazom:

php artisan migrate

Zdaj odprite predlogo Category.php izapp/Models  in uredite kodo v datoteki model Kategorija.php :

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Category extends Model {

   use HasFactory;

   protected $fillable = ['title','description'];

}

?>

Po tem odprite CategoryController.php in dodajte kodo v metode indeksiranja, shranjevanja, posodabljanja in brisanja, kot sledi:

<?php

namespace App\Http\Controllers;

use App\Models\Category;
use Illuminate\Http\Request;

class CategoryController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $categories = Category::all(['id','title','description']);
        return response()->json($categories);
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $category = Category::create($request->post());
        return response()->json([
            'message'=>'Category Created Successfully!!',
            'category'=>$category
        ]);
    }

    /**
     * Display the specified resource.
     *
     * @param  \App\Models\Category  $category
     * @return \Illuminate\Http\Response
     */
    public function show(Category $category)
    {
        return response()->json($category);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \App\Models\Category  $category
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, Category $category)
    {
        $category->fill($request->post())->save();
        return response()->json([
            'message'=>'Category Updated Successfully!!',
            'category'=>$category
        ]);
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  \App\Models\Category  $category
     * @return \Illuminate\Http\Response
     */
    public function destroy(Category $category)
    {
        $category->delete();
        return response()->json([
            'message'=>'Category Deleted Successfully!!'
        ]);
    }
}

Defidokončajte poti v web.php

Zdaj defidokončaj jih routes v datotekah web.php e api.php . Pojdi v mapo routes in odprite datoteko web.php in api.php ter posodobite naslednje routes:

routes/web.php

<?php
 
Route::get('{any}', function () {
    return view('app');
})->where('any', '.*');

routes/api.php

<?php
 
Route::resource('category',App\Http\Controllers\CategoryController::class)->only(['index','store','show','update','destroy']);

Ustvarite aplikacijo Vue

V tem koraku pojdite v imenik vir/ogledi, ustvarite datoteko app.blade.php  in dodajte naslednjo kodo app.blade.php:

<!doctype html>
<html lang="{{ str_replace('_', '-', app()->getLocale()) }}">
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <meta name="csrf-token" value="{{ csrf_token() }}"/>
        <title>Laravel Vue CRUD App</title>
        <link href="https://fonts.googleapis.com/css?family=Nunito:200,600" rel="stylesheet" type="text/css">
        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-giJF6kkoqNQ00vy+HMDP7azOuL0xtbfIcaT9wjKHr8RbDVddVHyTfAAsrekwKmP1" crossorigin="anonymous">
        <link href="{{ mix('css/app.css') }}" type="text/css" rel="stylesheet"/>
    </head>
    <body>
        <div id="app">
        </div>
        <script src="{{ mix('js/app.js') }}" type="text/javascript"></script>
    </body>
</html>

Ustvari komponento za aplikacijo Vue

V tem koraku pojdite v mapo resource/js, ustvarite mapo components  in ustvarite datoteke na naslednji način:

• View app
• Welcome.vue
• Category/List.vue
• Category/Add.vue
• Category/Edit.vue

pribl  je glavna datoteka naše aplikacije Vue. Defibomo končali pogled usmerjevalnika  v tej datoteki. Vse poti bodo prikazane v datoteki pribl  .

Odprite datoteko Welcome.vue in posodobite naslednjo kodo v tej datoteki:

<template>
    <div class="container mt-5">
        <div class="col-12 text-center">
            <h1>Laravel Vuejs CRUD</h1>
        </div>
    </div>
</template>

Odprite datoteko App.vue in posodobite kodo na naslednji način:

<template>
    <main>
        <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
            <div class="container-fluid">
                <router-link to="/" class="navbar-brand" href="#">Laravel Vue Crud App</router-link>
                <div class="collapse navbar-collapse">
                    <div class="navbar-nav">
                        <router-link exact-active-class="active" to="/" class="nav-item nav-link">Home</router-link>
                        <router-link exact-active-class="active" to="/category" class="nav-item nav-link">Category</router-link>
                    </div>
                </div>
            </div>
        </nav>
        <div class="container mt-5">
            <router-view></router-view>
        </div>
    </main>
</template>
 
<script>
    export default {}
</script>

Nato odprite resource / js / components / category / List.vue  in v datoteko dodajte naslednjo kodo:

<template>
    <div class="row">
        <div class="col-12 mb-2 text-end">
            <router-link :to='{name:"categoryAdd"}' class="btn btn-primary">Create</router-link>
        </div>
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h4>Category</h4>
                </div>
                <div class="card-body">
                    <div class="table-responsive">
                        <table class="table table-bordered">
                            <thead>
                                <tr>
                                    <th>ID</th>
                                    <th>Title</th>
                                    <th>Description</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody v-if="categories.length > 0">
                                <tr v-for="(category,key) in categories" :key="key">
                                    <td>{{ category.id }}</td>
                                    <td>{{ category.title }}</td>
                                    <td>{{ category.description }}</td>
                                    <td>
                                        <router-link :to='{name:"categoryEdit",params:{id:category.id}}' class="btn btn-success">Edit</router-link>
                                        <button type="button" @click="deleteCategory(category.id)" class="btn btn-danger">Delete</button>
                                    </td>
                                </tr>
                            </tbody>
                            <tbody v-else>
                                <tr>
                                    <td colspan="4" align="center">No Categories Found.</td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
</template>

<script>
export default {
    name:"categories",
    data(){
        return {
            categories:[]
        }
    },
    mounted(){
        this.getCategories()
    },
    methods:{
        async getCategories(){
            await this.axios.get('/api/category').then(response=>{
                this.categories = response.data
            }).catch(error=>{
                console.log(error)
                this.categories = []
            })
        },
        deleteCategory(id){
            if(confirm("Are you sure to delete this category ?")){
                this.axios.delete(`/api/category/${id}`).then(response=>{
                    this.getCategories()
                }).catch(error=>{
                    console.log(error)
                })
            }
        }
    }
}
</script>

Po tem odprite  resource /js/components/category/Add.vue  in posodobite naslednjo kodo v datoteki:

<template>
    <div class="row">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h4>Add Category</h4>
                </div>
                <div class="card-body">
                    <form @submit.prevent="create">
                        <div class="row">
                            <div class="col-12 mb-2">
                                <div class="form-group">
                                    <label>Title</label>
                                    <input type="text" class="form-control" v-model="category.title">
                                </div>
                            </div>
                            <div class="col-12 mb-2">
                                <div class="form-group">
                                    <label>Description</label>
                                    <input type="text" class="form-control" v-model="category.description">
                                </div>
                            </div>
                            <div class="col-12">
                                <button type="submit" class="btn btn-primary">Save</button>
                            </div>
                        </div>                        
                    </form>
                </div>
            </div>
        </div>
    </div>
</template>

<script>
export default {
    name:"add-category",
    data(){
        return {
            category:{
                title:"",
                description:""
            }
        }
    },
    methods:{
        async create(){
            await this.axios.post('/api/category',this.category).then(response=>{
                this.$router.push({name:"categoryList"})
            }).catch(error=>{
                console.log(error)
            })
        }
    }
}
</script>

Po tem odprite  resource /js/components/category/Edit.vue  in posodobite naslednjo kodo v datoteki:

<template>
    <div class="row">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h4>Update Category</h4>
                </div>
                <div class="card-body">
                    <form @submit.prevent="update">
                        <div class="row">
                            <div class="col-12 mb-2">
                                <div class="form-group">
                                    <label>Title</label>
                                    <input type="text" class="form-control" v-model="category.title">
                                </div>
                            </div>
                            <div class="col-12 mb-2">
                                <div class="form-group">
                                    <label>Description</label>
                                    <input type="text" class="form-control" v-model="category.description">
                                </div>
                            </div>
                            <div class="col-12">
                                <button type="submit" class="btn btn-primary">Update</button>
                            </div>
                        </div>                        
                    </form>
                </div>
            </div>
        </div>
    </div>
</template>

<script>
export default {
    name:"update-category",
    data(){
        return {
            category:{
                title:"",
                description:"",
                _method:"patch"
            }
        }
    },
    mounted(){
        this.showCategory()
    },
    methods:{
        async showCategory(){
            await this.axios.get(`/api/category/${this.$route.params.id}`).then(response=>{
                const { title, description } = response.data
                this.category.title = title
                this.category.description = description
            }).catch(error=>{
                console.log(error)
            })
        },
        async update(){
            await this.axios.post(`/api/category/${this.$route.params.id}`,this.category).then(response=>{
                this.$router.push({name:"categoryList"})
            }).catch(error=>{
                console.log(error)
            })
        }
    }
}
</script>

DefiDokončajte pot do aplikacije CRUD v Vue Routerju

Zdaj pa moraš defidokončaj Vue routes, in za to pojdite v mapo  resource / js , ustvarite datoteko route.js  in posodobite naslednjo kodo v datoteki:

const Welcome = () => import('./components/Welcome.vue' /* webpackChunkName: "resource/js/components/welcome" */)
const CategoryList = () => import('./components/category/List.vue' /* webpackChunkName: "resource/js/components/category/list" */)
const CategoryCreate = () => import('./components/category/Add.vue' /* webpackChunkName: "resource/js/components/category/add" */)
const CategoryEdit = () => import('./components/category/Edit.vue' /* webpackChunkName: "resource/js/components/category/edit" */)

export const routes = [
    {
        name: 'home',
        path: '/',
        component: Welcome
    },
    {
        name: 'categoryList',
        path: '/category',
        component: CategoryList
    },
    {
        name: 'categoryEdit',
        path: '/category/:id/edit',
        component: CategoryEdit
    },
    {
        name: 'categoryAdd',
        path: '/category/add',
        component: CategoryCreate
    }
]

Tukaj smo uporabili komponente počasno nalaganje. vue JS upravlja nalaganje komponent na način lazy s potmi, tako da lahko na DOM naložite komponente le, ko so potrebne prek poti.

V app.js vključite odvisnosti Vue.js

Zdaj morate dodati vse poti, vue-axios in druge odvisnosti.

resource / js / app.js

require('./bootstrap');
import vue from 'vue'
window.Vue = vue;

import App from './components/App.vue';
import VueRouter from 'vue-router';
import VueAxios from 'vue-axios';
import axios from 'axios';
import {routes} from './routes';
 
Vue.use(VueRouter);
Vue.use(VueAxios, axios);
 
const router = new VueRouter({
    mode: 'history',
    routes: routes
});
 
const app = new Vue({
    el: '#app',
    router: router,
    render: h => h(App),
});

Posodobite webpack.mix.js

webpack.mix.js

const mix = require('laravel-mix');

/*
 |--------------------------------------------------------------------------
 | Mix Asset Management
 |--------------------------------------------------------------------------
 |
 | Mix provides a clean, fluent API for defining some Webpack build steps
 | for your Laravel applications. By default, we are compiling the CSS
 | file for the application as well as bundling up all the JS files.
 |
 */

mix.js('resources/js/app.js', 'public/js')
    .postCss('resources/css/app.css', 'public/css', [
        //
    ]).vue();

Zaženite razvojni strežnik

Odprite terminal in zaženite ta ukaz:

npm run watch

php artisan serve

Apri lokalni gostitelj: 8000 v brskalniku.

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