laravel-model 一.作用:一个model即一条db数据 二.例子:如下所示, 继承Model 1classtestModelextendsModel {23protected$connection= 'test';45protected$table= 'test';67//设置可填充数据8protected$fillable=[9'id',10'name',11'cus_val',12'time',13'a->b',14'a->c',15'arr',16];1718//指定时...
{"require": {"php": "^8.0.2","laravel/framework": "^9.19"}} 自定义的Model class ArticleModel extends BaseModel{protected string $table = 'tb_article';} 同样的代码,在本地测试环境中可以运行,上线后就报错 可能的报错如下 $table must not be defined (as in class Illuminate\\Database\\Eloq...
"laravel/framework": "^9.19" } } 1. 2. 3. 4. 5. 6. 自定义的Model class ArticleModel extends BaseModel { protected string $table = 'tb_article'; } 1. 2. 3. 4. 同样的代码,在本地测试环境中可以运行,上线后就报错 可能的报错如下 $table must not be defined (as in class Illuminate...
string asDecimal(float $value, int $decimals) Return a decimal as string. from HasAttributes Carbon asDate(mixed $value) Return a timestamp as DateTime object with time set to 00:00:00. from HasAttributes Carbon asDateTime(mixed $value) Return a timestamp as DateTime object. from...
Laravel Model查询结果的3种存储格式内存占用对比 PHP Laravel框架支持Model查询数据后可以有多种方式返回数据,对新手会造成一些困扰,比如数组Model对象、集合、纯数组 今天从内存占用的角度对比一下3种数据返回方式 按数组Model对象返回数据 写法 TestModel::query()->where('field_name',$value)->limit(10)->get(...
自建model,save时报错:array_key_exists(): The first argument should be either a string or an intege这个是model。 这个是我做测试的。 这个是返回的报错信息。是不是那块缺参数了,百度和手册上也没有发现有...
如您在表属性中所示的示例中所示，Laravel docs属性是一个字符串，而不是一个数组
title-string url-string comments id-integer body-text commentable_id-integer commentable_type-string comments表中有两个需要注意的重要字段commentable_id和commentable_type。commentable_id用来保存文章或者视频的 ID 值,而commentable_type用来保存所属模型的类名。comment...
A reason for the status change can be passed as a second argument. $model->setStatus('status-name','optional reason'); Retrieving statuses You can get the current status of model: $model->status;// returns a string with the name of the latest status$model->status();// returns the la...
__construct(Model$model, string $event) Create a new event instance. Channel|Channel[]|string[]|string broadcastOn() The channels the event should broadcast on. string broadcastAs() The name the event should broadcast as. array|null