临沂品牌网站推广,大连建设工程集团有限公司,福州seo兼职,网站用户体验准则责任链模式(Chain of Responsibility Pattern)学习笔记 编程相关书籍分享:https://blog.csdn.net/weixin_47763579/article/details/145855793 DeepSeek使用技巧pdf资料分享:https://blog.csdn.net/weixin_47763579/article/details/145884039 🌟 模式定义
责任链模式是…责任链模式(Chain of Responsibility Pattern)学习笔记 编程相关书籍分享:https://blog.csdn.net/weixin_47763579/article/details/145855793 DeepSeek使用技巧pdf资料分享:https://blog.csdn.net/weixin_47763579/article/details/145884039 🌟 模式定义
责任链模式是一种行为型设计模式,允许将请求沿着处理链传递,直到有一个处理者处理它。每个处理者决定自己处理请求或传递给下一个处理者,实现请求发送者与接收者的解耦。
🎯 适用场景
多个对象可处理同一请求,但具体处理者运行时动态确定需要动态指定处理请求的对象集合请求需要被多个对象中的一个或多个处理时常见场景:审批流程、异常处理链、过滤器链、日志处理✅ 核心优点
降低耦合度:请求发送者无需知道具体处理者动态组合:可灵活调整处理链顺序或增减处理者符合开闭原则:新增处理者无需修改已有代码职责细化:每个处理者只需关注自身责任范围⚠️ 潜在缺点
请求可能未被处理:需保证链的完整性性能影响:长链可能导致延迟(需控制链长度)调试困难:请求传递路径不易跟踪📐 模式结构 #mermaid-svg-zF9AurayyNtOKvLg {font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-zF9AurayyNtOKvLg .error-icon{fill:#552222;}#mermaid-svg-zF9AurayyNtOKvLg .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-zF9AurayyNtOKvLg .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-zF9AurayyNtOKvLg .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-zF9AurayyNtOKvLg .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-zF9AurayyNtOKvLg .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-zF9AurayyNtOKvLg .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-zF9AurayyNtOKvLg .marker{fill:#333333;stroke:#333333;}#mermaid-svg-zF9AurayyNtOKvLg .marker.cross{stroke:#333333;}#mermaid-svg-zF9AurayyNtOKvLg svg{font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-zF9AurayyNtOKvLg g.classGroup text{fill:#9370DB;fill:#131300;stroke:none;font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:10px;}#mermaid-svg-zF9AurayyNtOKvLg g.classGroup text .title{font-weight:bolder;}#mermaid-svg-zF9AurayyNtOKvLg .nodeLabel,#mermaid-svg-zF9AurayyNtOKvLg .edgeLabel{color:#131300;}#mermaid-svg-zF9AurayyNtOKvLg .edgeLabel .label rect{fill:#ECECFF;}#mermaid-svg-zF9AurayyNtOKvLg .label text{fill:#131300;}#mermaid-svg-zF9AurayyNtOKvLg .edgeLabel .label span{background:#ECECFF;}#mermaid-svg-zF9AurayyNtOKvLg .classTitle{font-weight:bolder;}#mermaid-svg-zF9AurayyNtOKvLg .node rect,#mermaid-svg-zF9AurayyNtOKvLg .node circle,#mermaid-svg-zF9AurayyNtOKvLg .node ellipse,#mermaid-svg-zF9AurayyNtOKvLg .node polygon,#mermaid-svg-zF9AurayyNtOKvLg .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-zF9AurayyNtOKvLg .divider{stroke:#9370DB;stroke:1;}#mermaid-svg-zF9AurayyNtOKvLg g.clickable{cursor:pointer;}#mermaid-svg-zF9AurayyNtOKvLg g.classGroup rect{fill:#ECECFF;stroke:#9370DB;}#mermaid-svg-zF9AurayyNtOKvLg g.classGroup line{stroke:#9370DB;stroke-width:1;}#mermaid-svg-zF9AurayyNtOKvLg .classLabel .box{stroke:none;stroke-width:0;fill:#ECECFF;opacity:0.5;}#mermaid-svg-zF9AurayyNtOKvLg .classLabel .label{fill:#9370DB;font-size:10px;}#mermaid-svg-zF9AurayyNtOKvLg .relation{stroke:#333333;stroke-width:1;fill:none;}#mermaid-svg-zF9AurayyNtOKvLg .dashed-line{stroke-dasharray:3;}#mermaid-svg-zF9AurayyNtOKvLg #compositionStart,#mermaid-svg-zF9AurayyNtOKvLg .composition{fill:#333333!important;stroke:#333333!important;stroke-width:1;}#mermaid-svg-zF9AurayyNtOKvLg #compositionEnd,#mermaid-svg-zF9AurayyNtOKvLg .composition{fill:#333333!important;stroke:#333333!important;stroke-width:1;}#mermaid-svg-zF9AurayyNtOKvLg #dependencyStart,#mermaid-svg-zF9AurayyNtOKvLg .dependency{fill:#333333!important;stroke:#333333!important;stroke-width:1;}#mermaid-svg-zF9AurayyNtOKvLg #dependencyStart,#mermaid-svg-zF9AurayyNtOKvLg .dependency{fill:#333333!important;stroke:#333333!important;stroke-width:1;}#mermaid-svg-zF9AurayyNtOKvLg #extensionStart,#mermaid-svg-zF9AurayyNtOKvLg .extension{fill:#333333!important;stroke:#333333!important;stroke-width:1;}#mermaid-svg-zF9AurayyNtOKvLg #extensionEnd,#mermaid-svg-zF9AurayyNtOKvLg .extension{fill:#333333!important;stroke:#333333!important;stroke-width:1;}#mermaid-svg-zF9AurayyNtOKvLg #aggregationStart,#mermaid-svg-zF9AurayyNtOKvLg .aggregation{fill:#ECECFF!important;stroke:#333333!important;stroke-width:1;}#mermaid-svg-zF9AurayyNtOKvLg #aggregationEnd,#mermaid-svg-zF9AurayyNtOKvLg .aggregation{fill:#ECECFF!important;stroke:#333333!important;stroke-width:1;}#mermaid-svg-zF9AurayyNtOKvLg .edgeTerminals{font-size:11px;}#mermaid-svg-zF9AurayyNtOKvLg :root{--mermaid-font-family:"trebuchet ms",verdana,arial,sans-serif;}