Dictionary是存储数据键和项目对的对象,其主要属性有Count、Item、Key,主要方法有Add、Exists、Items、Keys、Remove、RemoveAll。
创建Dictionary对象 - '定义并创建Dictionary对象,使用CreateObject创建并返回自动化对象的引用
- Dim Dic
- Set Dic = CreateObject("Scripting.Dictionary")
复制代码 添加键值 - Dim Dic
- Set Dic = CreateObject("Scripting.Dictionary")
- '向Dictionary对象中添加键值对
- Dic.Add "Name", "Sirrah" 'Add方法第一个参数是Key值,第二个是Item值
- Dic.Add "Age", 23
复制代码 删除键值 - Dim Dic
- Set Dic = CreateObject("Scripting.Dictionary")
- Dic.Add "Name", "Sirrah" '向Dictionary对象中添加键值对
- Dic.Add "Age", 23
- Dic.Item("Age") = 22 '修改键Age的值
- MsgBox Dic.Item("Age") '输出22
复制代码 判断键是否存在 - Dim Dic
- Set Dic = CreateObject("Scripting.Dictionary")
- Dic.Add "Name", "Sirrah" '向Dictionary对象中添加键值对
- Dic.Add "Age", 23
- MsgBox Dic.Exists("Age") '判断键是否存在
复制代码 输出所有键值
输出Dictionary对象所有键值,这边将介绍2种常用的循环方法,具体代码如下:- Dim Dic,Dics
- Set Dic = CreateObject("Scripting.Dictionary")
- Dic.Add "Name", "Sirrah" '向Dictionary对象中添加键值对
- Dic.Add "Age", 23
- Dics = dic.Items 'Items返回一个包含所有Item值的数组
- For i = 0 To dic.Count - 1 'Count返回Dictionary对象键数目
- str = str & Dics(i) & vbCrlf
- Next
- MsgBox(str)
- Dim Dic,Dics
- Set Dics = CreateObject("Scripting.Dictionary")
- Dics.Add "Name", "Sirrah" '向Dictionary对象中添加键值对
- Dics.Add "Age", 23
- For Each Dic In Dics '循环遍历Dictionary键,并输出键值
- MsgBox Dics.Item(Dic)
- Next
复制代码 补充一个实例
脚本文件:a.vbs,包含字典的添加、删除、判断键是否存在、修改键、修改值、遍历、统计键值对个数- '建立字典
- Dim Dict : Set Dict = CreateObject("Scripting.Dictionary")
- '添加键值对
- Dict.Add "Key1", "Item1"
- Dict.Add "Key2", "Item2"
- Dict.Add "Key3", "Item3"
- '字典中键值对数量
- WScript.Echo "字典中现有键值对数量: " & Dict.Count '让一个脚本在屏幕上显示文本信息
- WScript.Echo
- '检查指定键是否存在
- If Dict.Exists("Key1") Then
- WScript.Echo "Key1 存在!"
- Else
- WScript.Echo "Key1 不存在!"
- End If
- If Dict.Exists("Keyn") Then
- WScript.Echo "Keyn 存在!"
- Else
- WScript.Echo "Keyn 不存在!"
- End If
- WScript.Echo
- '遍历字典
- Sub TraverseDict
- Dim DictKeys, DictItems, Counter
- DictKeys = Dict.Keys
- DictItems = Dict.Items 'Items返回一个包含所有Item值的数组
- For Counter = 0 To Dict.Count - 1 'Count返回Dictionary对象键数目
- WScript.Echo _
- "键: " & DictKeys(Counter) & _ '& 字符串连接运算符
- "值: " & DictItems(Counter)
- Next
- End Sub
- TraverseDict
- WScript.Echo
- '在一个键值对中,修改键或修改值
- Dict.Key("Key2") = "Keyx"
- Dict.Item("Key1") = "Itemx"
- TraverseDict
- WScript.Echo
- '删除指定键
- Dict.Remove("Key3")
- TraverseDict
- WScript.Echo
- '删除全部键
- Dict.RemoveAll
- WScript.Echo "字典中现有键值对数量: " & Dict.Count
复制代码 调用方法:通过双击a.bat调用,a.bat代码如下:运行结果截图:
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