mirror of
https://github.com/crazybber/awesome-patterns.git
synced 2024-12-01 17:36:09 +03:00
69 lines
1.3 KiB
Go
69 lines
1.3 KiB
Go
// 组合模式 composite pattern.
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// 用于表示树形的结构，这里以一个web静态目录为例
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package main
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type File struct {
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IsDir bool
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Name string
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ChildFile []*File
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}
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func (f *File)AddChild(file ...*File){
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f.ChildFile = append(f.ChildFile ,file...)
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}
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func checkFile(file *File) {
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println("into dir ->" ,file.Name)
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for _ ,v := range file.ChildFile{
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if v.IsDir{
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checkFile(v)
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}else{
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println("dir ->" ,file.Name ,".fileName ->" ,v.Name)
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}
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}
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}
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func main(){
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/*
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static|
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-js|
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-jquery.js
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-main|
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-index.js
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-login.js
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-css|
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-bootstrap.css
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*/
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static := &File{true ,"static" ,make([]*File ,0)}
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js := &File{true ,"js" ,make([]*File ,0)}
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css := &File{true ,"css" ,make([]*File ,0)}
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static.AddChild(js ,css)
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jquery := &File{false ,"jquery.js" ,nil}
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mjs := &File{true ,"main" ,make([]*File ,0)}
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js.AddChild(jquery ,mjs)
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injs := &File{false ,"index.js" ,nil}
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lojs := &File{false ,"login.js" ,nil}
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mjs.AddChild(injs ,lojs)
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btstrap := &File{false ,"bootstrap.css" ,nil}
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css.AddChild(btstrap)
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checkFile(static)
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/*
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output:
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into dir -> static
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into dir -> js
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dir -> js .fileName -> jquery.js
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into dir -> main
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dir -> main .fileName -> index.js
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dir -> main .fileName -> login.js
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into dir -> css
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dir -> css .fileName -> bootstrap.css
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*/
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}
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