本文主要介紹裝飾者模式的缺點(diǎn)(裝飾者模式j(luò)s)，下面一起看看裝飾者模式的缺點(diǎn)(裝飾者模式j(luò)s)相關(guān)資訊。
裝飾器模式檢查裝飾器循環(huán)過度設(shè)計(jì)更加復(fù)雜。
公共抽象類shape { public virtual string as string= string。空的；}類circ:形狀{ float riduspublic circel(float rid us){ this . rid us = rid us；}公共覆蓋字符串a(chǎn)s string{ return $ circle riduse cho 0-@ . com { rid us } } public void r:形狀{浮邊；公共廣場(浮動(dòng)邊){ sid: {邊} } }公共抽象類shape decorator : shape { protected internal readonly list type types = new；內(nèi)部形狀形狀；public shape decorator(shape shape){ shape = shape；if(shape is shape decorator sd){ types。add range(sd . types)；} } }公共抽象類shapedecoratortself，tcycl: shapecodor其中tcycles :shaprdecoratorcyclepolicy，new{ protected readonly tcycles cycles = new tcycl: base(shape){ if(循環(huán)。typeadditionallowed(type of(tself)，types)) { types。add(type of(tself))；} } } public class shapedecotatorwithpolicy t :shapecodiortort，throwoncypolicy { public shapedecotatorwithpolicy(shap: base(shape){ } } public class colored shape//: shaped economic colored shape，throwoncypolicy//不允許相同的: shaped economic colored shape，absorbcyclicity//允許sam: shaped totor帶有警用顏色shape { private readonly string color；public coloredshape(shape shape，string color): base(shape){ this。形狀=形狀；this.color = color} public override string as string{ var sb = new stringbuilder($ {形狀。asstring} );如果(循環(huán)。applicationallowed(類型[0]，類型。跳過(1)。tolist)某人。追加($ 具有顏色{ color } );歸還某人。tostring；} }公共類透明:形狀{ shape shape浮動(dòng)百分比；公共透明(形狀形狀，浮動(dòng)百分比age){ this . shape = shape；this.percentage = _ percentage}公共覆蓋字符串a(chǎn)s string{ return $ {形狀。asstring} transparent : { percentage * 100.0 } % } }公共抽象類shaprdecoratorcyclepolicy {公共抽象bool type additionallowed(type type，ili sttype allttype)；public abstract bool application allowed(type type，ilist type allttype)；}公共類cycesallowedpolicy : shaprdecoratorcyclepolicy { public override bool application allowed(type type，ilist type allttype){ return true；} public override bool typeadditionallowed(type type，ilist type allttype){ return true；} } public class throwoncycpolicy : shaprdecoratorcyclepolicy { public bool handler(type type，ilisttype allttype) { if (allttype。contains(type))拋出新的invalidoperationexception($ 檢測到循環(huán)！類型為錯(cuò)誤，{type。全名} );返回true} public override bool application allowed(type type，ilist type allttype){ return handler(type，allttype)；}公開結(jié)束ride bool typeadditionallowed(type type，ilist type allttype){ return handler(type，allttype)；} } public class absorbcyclepolicy : shaprdecoratorcyclepolicy { public override bool application allowed(type type，ilisttype allttype) { return！allttype。包含(類型)；} public override bool typeadditionallowed(type type，ilist type allttype){ return true；} }類程序{ static void main(string[]args){ square sq = new square(1.23 f)；控制臺(tái)。writeline(sq。asstring)；colored shape color shape = new colored shape(sq， 黑色 );color shape = new colored shape(color shape， 紅色 );控制臺(tái)。writeline(colorshape。asstring)；} }
標(biāo)簽:
不允許復(fù)雜性
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