背景: 基于laravel的后臺(tái)管理系統(tǒng),CURD密集型業(yè)務(wù)問題:當(dāng)直接在控制器方法中調(diào)用orm處理業(yè)務(wù)邏輯時(shí),代碼復(fù)用性差,控制器層很肥嘗試解決1:新建一個(gè)model層,將原先在控制器中的處理邏輯移到model中,包括數(shù)據(jù)校驗(yàn)下面是model的基類class?BaseModel?implements?Responsable,UniqueCheckable
{
??//?業(yè)務(wù)模型應(yīng)當(dāng)都具備產(chǎn)生模型響應(yīng)的能力
??use?ModelResponse;
??//?當(dāng)前業(yè)務(wù)CRUD操作密集,幾乎都需要檢驗(yàn)唯一性
??use?CheckUniqueness;
??//業(yè)務(wù)模型以orm為驅(qū)動(dòng)將數(shù)據(jù)進(jìn)行持久化
??protected?static?$orm?=?null;
//?一個(gè)業(yè)務(wù)模型能被一個(gè)id唯一標(biāo)識(shí)
??protected?$primaryId;
??public?function?__construct($primaryId){
????$this->primaryId?=?$primaryId;
??}
??
//?實(shí)現(xiàn)UniqueCheckable接口,子類必須重寫該方法
??public?static?function?getPrimaryField(){
????exit(static::class."?doesn't?implements?getPrimaryField?function");
??}
}其他模型類中的屬性都是為了實(shí)現(xiàn)具體的方法服務(wù)的,下面是其中一個(gè)model的定義:class?Tables?extends?BaseModel
{
????private?$tenantId;
????private?$branchId;
????protected?static?$orm?=?'App\DAL\Tenant\Tables';
????/**
?????*?@param?int?$tenantId?[商戶id]
?????*?@param?int?$branchId?[門店id]
?????*/
????public?function?__construct($tenantId?,?$branchId){
??????$this->tenantId?=?$tenantId;
??????$this->branchId?=?$branchId;
????}
????/**
?????*?[參數(shù)初始化]
?????*?@param??array??$data?[description]
?????*?@return?[type]???????[description]
?????*/
???public?static?function?paramInit(array?&$data){
?????$data['pricePerHour']=?array_key_exists('pricePerHour',$data)?$data['pricePerHour']:0;
?????$data['minConsumption']=?array_key_exists('minConsumption',$data)?$data['minConsumption']:0;
?????$data['number']=?array_key_exists('number',$data)?$data['number']:0;
???}
/**
?*?@param?array?$data?[description]
?*/
????public?function?add(array?$data){
??????//?請(qǐng)求參數(shù)初始化
??????static::paramInit($data);
???????//?業(yè)務(wù)規(guī)則校驗(yàn)
??????if(!static::isValueAllowed($this->branchId,'name',$data['name'])){
??????????return?static::response(false,'該桌臺(tái)已經(jīng)存在');
??????}
??????$table?=?static::$orm::create(['tenantId'=>$this->tenantId,
????????????????????????????????'branchId'=>$this->branchId,
????????????????????????????????'position'=>$data['position'],
????????????????????????????????'minConsumption'=>$data['minConsumption'],
????????????????????????????????'number'=>$data['number'],
????????????????????????????????'pricePerHour'=>$data['pricePerHour'],
????????????????????????????????'name'=>$data['name']
????????????????????????????]);
??????return?$table?static::response(true,$table):static::response(false,'數(shù)據(jù)寫入失敗');
????}
}該方法的問題:model層只是業(yè)務(wù)邏輯的封裝?但有新的需求就往model中加新的方法,然后在控制器中調(diào)用,那么這個(gè)model類不就只是方法的堆積?嘗試解決2:initPHP框架中提出了dscv的架構(gòu),其實(shí)就是把業(yè)務(wù)邏輯放在service中,然后在控制器中調(diào)用service對(duì)象來(lái)完成請(qǐng)求的處理這種方法正在考慮實(shí)施嘗試解決3: 在看到了這篇文章后:也許后端MVC的說法已經(jīng)過時(shí)了,感覺作者正好說到了我的痛點(diǎn),所以又打算把控制器層分割為控制器+service層,把model分割為使用orm的數(shù)據(jù)持久層和repository層。這幾者之間的關(guān)系是repository調(diào)用orm進(jìn)行數(shù)據(jù)持久化,service層通過repository實(shí)現(xiàn)相關(guān)操作,然后控制器層調(diào)用service處理請(qǐng)求。但是這時(shí)候?qū)@個(gè)repository層感到疑惑,如果重新對(duì)orm實(shí)現(xiàn)的功能進(jìn)行封裝那么工作量將很大,而實(shí)際帶來(lái)的好處也不是很顯而易見的。所以我目前傾向于認(rèn)為orm中對(duì)應(yīng)的對(duì)象是數(shù)據(jù)庫(kù)中的表,而repository對(duì)應(yīng)的對(duì)象是領(lǐng)域驅(qū)動(dòng)設(shè)計(jì)中談到的entity或者aggregate,那么這個(gè)時(shí)候我是不是又該根據(jù)把m變?yōu)?領(lǐng)域?qū)樱玶epository+基礎(chǔ)設(shè)施層?這個(gè)問題已經(jīng)糾結(jié)挺久了,謝謝各位大神的指教
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