对于JSON 格式,其实也只是调用一个 toJson() 方法就可以方便地实现。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Route::get('model/test/ser/json',function(){$mTest=\App\Models\MTest::find(1);dump($mTest->toJson());dump($mTest->toJson(J
Migrations are like version control for your database, allowing your team to define and share the application's database schema definition. If you have ever had to tell a teammate to manually add a column to their local database schema after pulling in your changes from source control, you'...
database, allowing your team to define and share the application's database schema definition. If you have ever had to tell a teammate to manually add a column to their local database schema after pulling in your changes from source control, you've faced the problem that database migrations...
(1)、首先创建一个数据库并定义该数据库与Laravel的连接信息,Laravel框架为数据库连接提供了配置文件:/config/database.php,Laravel支持SQlite、MySQL、PostgreSQL、SQLSRV数据库,本教程使用MySQL数据库。 (2)、创建一个名为urls的数据库,终端登入mysql服务器或者使用phpMyAdmin敲入SQL语句:CREATE DATABASE urls。可以使用...
Storing your models in a json file rather than in database (single or few lines recording) can be a good option. This package saves you to create a table for a ridiculous amount of lines, improves the data recovery performances, and allows you to store a
JSON_REPLACE 函数只有在对象中找到该属性才会替换该属性。JSON_SET 函数,如果在对象中没有找到这个属性,就会添加这个属性到对象中,如果对象中有这个属性了,就会替换掉原来的属性。删除关于删除操作我们将会关注两个点。第一个点是从 JSON 列中删除某个 键 / 值,第二个点是从 JSON 列中删除某些行。
to the require section of your composer.json.UsageThis extension allows reconfiguration of already created config repository using data from the external storage like relational database. It provides special config repository class \Illuminatech\Config\PersistentRepository, which wraps any given config ...
npm install axios --save 引入axios模块 resource/assets/js/bootstrap.js 在最后加入 importaxiosfrom'axios';window.axios=axios; 2.6 创建收藏夹组件 // resources/assets/js/components/Favorite.vue<template><span><a href="#" v-if="isFavorited" @click.prevent="unFavorite(post)"><iclass="fa fa...
默认情况下,模型以完整的 toArray格式持久化到搜索索引,如果你想要自定义被持久化到搜索索引的数据,可以重写模型上的 toSearchableArray方法:<?php namespace App; use Laravel\Scout\Searchable; use Illuminate\Database\Eloquent\Model; class Post extends Model{ use Searchable; /** * 获取模型的索引数据数组 ...
分层数据(Hierarchical Data),比如无限级分类菜单、省市区分级等,类似于树型数据结构,在 MySQL 等关系型数据库中不能很自然的展示这种父-子关系,常见的实现模型有两种,一种是邻接表模型 (The Adjacency List Model),另一种是嵌套集合模型 (Nested Set Model)。