teach you to do keyword matching project (search engine)----13th day, teach you to do the 13th day _php tutorial

teach you to do keyword matching project (search engine)----13th day, teach you to do 13th day

13th Day

Since the small handsome was in the old Mass, the heart is very uncomfortable, because there is such a reason: I have done what you want, why still not be sure.

What kind of programmer is good? Small handsome with such questions to understand the design pattern.

Although he has looked at the design pattern many times, even the design pattern of the name back to memorized, Singleton mode, abstract Factory mode, builder mode, Factory mode, prototype mode ... such as

But little handsome still do not know how to use, no way, he had to ask again in the eldest brother, in the boss gave a code let him go to see, see what design patterns inside.

What kind of programmer is good? Some people say that good programmers write code that can be read, while ordinary programmers write code that can be run.

The code for the boss is as follows:

 PhpclassSelectoritem {Private $item;  Public function__construct ($item){        $this->item =$item; }     Public function__get ($name){        if(isset($this->item->$name)){            return $this->item->$name; }        return NULL; }     Public Static functionCreatefromapi ($num _iid){        $client=Newtopclient (); $client->appkey = ' xx '; $client->secretkey = ' xx '; $req=Newitemgetrequest (); $req->setfields (' Props_name,property_alias,detail_url,cid,title '); $req->SETNUMIID ($num _iid); $resp=$client->execute ($req); if(isset($resp-code)) {            #Error Handle            Throw New Exception($resp->msg,$resp-code); }        return NewSelf$resp-item); }}classCharList {Private $core=Array(); Private $blacklist=Array();  Public functionAddcore ($char){        if(!In_array($char,$this-core)) $this->core[] =$char; }         Public functionGetcore () {return $this-Core; }     Public functionAddblacklist ($char){        if(!In_array($char,$this-blacklist)) $this->blacklist[] =$char; }         Public functiongetblacklist () {return $this-blacklist; }}Abstract classCharlisthandle {protected $charlist;  Public function__construct ($charlist){        $this->charlist =$charlist; }        Abstract function exec();}classMencharlisthandleextendsCharlisthandle { Public function exec(){        $this->charlist->addcore ("mens"); $this->charlist->addblacklist ("female"); }}classWomencharlisthandleextendscharlisthandle{ Public function exec(){        $this->charlist->addcore ("Ladies"); $this->charlist->addblacklist ("Male"); }}#other charlist handle small handsome finishclassSelector {Private Static  $charListHandle=Array(        "Menswear" = "mencharlisthandle", "Women" and "Womencharlisthandle", "Lovers" and "Loverscharlisthandle", "children's Wear" = > "Childrencharlisthandle"    );  Public Static functionSelect$num _iid){        $selectorItem= Selectoritem::createfromapi ($num _iid); Logger:: Trace ($selectorItem-props_name); $matchTitle=$selectorItem->title.$selectorItem-Props_name; $charlist=NewCharList (); foreach(Self::$charListHandle  as $matchKey=$className){            if(Preg_match("/$matchKey/",$matchTitle)){                $handle= Self::createcharlisthandle ($className,$charlist); $handle-exec(); }        }                //Do search Things    }         Public Static functionCreatecharlisthandle ($className,$charlist){        if(class_exists($className)){            return New $className($charlist); }        Throw New Exception("Class not exists", 0); }}

Small handsome read the code and then can not withstand , this is the legend of the eldest brother, is not copied my code ...

If the eldest brother hears the idea of small handsome, what will be the action?

Little handsome can't continue to study the magic cheats.

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