前言
VBA数组在Excel开发应用中，作用还是很明显的，用好数组可以提高工作效率，下面就开始揭开VBA数组的神秘面纱。
具体操作
1、VBA数组的定义方法
下面是几种数组常用的定义方法，一维数组的定义、二维数组的定义
直接赋值定义、调用Array函数定义、调用Excel工作表内存数组
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
''''''''''''直接定义给数组赋值'一维常量数组的定义Sub arrDemo1()Dim arr(2) As Variant '数组arr(0) = "vba"arr(1) = 100arr(2) = 3.14MsgBox arr(0)End Sub'二维常量数组的定义Sub arrDemo2()Dim arr(1, 1) As Variant 'Dim arr(0 To 1, 0 To 1) As Variantarr(0, 0) = "apple"arr(0, 1) = "banana"arr(1, 0) = "pear"arr(1, 1) = "grape"For i = 0 To 1 For j = 0 To 1 MsgBox arr(i, j) NextNextEnd Sub''''''''''''用array函数创建常量数组'一维数组Sub arrayDemo3()Dim arr As Variant '数组arr = Array("vba", 100, 3.14)MsgBox arr(0)End Sub'二维数组Sub arrayDemo4()Dim arr As Variant '数组arr = Array(Array("张三", 100), Array("李四", 76), Array("王五", 80))MsgBox arr(1)(1)End Sub'调用Excel工作表内存数组' 一维数组[{"A",1,"C"}]'二维数组[{"a",10;"b",20;"c",30}]Sub mylook()Dim arrarr = [{"a",10;"b",20;"c",30}]Range("a1:b3") = arrMsgBox Application.WorksheetFunction.VLookup("b", arr, 2, 0) '调用vlookup时可以作为第二个参数End Sub'动态数组的定义方法Sub arrDemo5()Dim arr1() '声明一个动态数组（动态指不固定大小）Dim arr2 '声明一个Variant类型的变量arr1 = Range("a1:b2") '把单元格区域A1：B2的值装入数组arr1arr2 = Range("a1:b2") '把单元格区域A1：B2的值装入数组arr2MsgBox arr1(1, 1) '读取arr数组中第1行第1列的数值MsgBox arr2(2, 2) '读取arr1数组的第2行第2列的数值End Sub |
2、数组的赋值和计算
|
1
2
3
4
5
6
7
8
9
10
|
'读取单元格数据到数组，进行计算，再赋值给单元格Sub arr_calculate()Dim arr '声明一个变量用来盛放单元格数据Dim i%arr = Range("a2:d5") '把单元格数据搬入到arr里，它有4列4行For i = 1 To 4 '通过循环在arr数组中循环 arr(i, 4) = arr(i, 3) * arr(i, 2) '数组的第4列(金额)=第3列*第2例Next iRange("a2:d5") = arr '把数组放回到单元格中End Sub |
3、数组的合并（join）与拆分（split）
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
'数组合并(join)与拆分(Split)Sub join_demo()Dim a As VariantDim b As Variant ' Join using spacesa = Array("Red", "Blue", "Yellow")b = Join(a, "")MsgBox ("The value of b is :" & b) 'Red Bule Yellow' Join using $b = Join(a, "$") 'Red$Bule$YellowMsgBox ("The Join result after using delimiter is : " & b)End SubSub split_demo()Dim a As VariantDim b As Variant a = Split("Red$Blue$Yellow", "$") 'a = Array("red"，"blue"，"yellow") b = UBound(a) For i = 0 To b MsgBox a(i) NextEnd Sub |
4、数组的筛选（Filter）
|
1
2
3
4
5
6
7
|
'vba数组的筛选Sub arr_filter()arr = Array("ABC", "F", "D", "CA", "ER")arr1 = VBA.Filter(arr, "A", True) '筛选所有含A的数值组成一个新数组arr2 = VBA.Filter(arr, "A", False) '筛选所有不含A的数值组成一个新数组MsgBox Join(arr1, ",") '查看筛选的结果End Sub |
5、数组维度的转换（Transpose）
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
'数组维数的转换'一维转二维Sub arr_tranpose1()arr = Array(10, "vba", 2, "b", 3)arr1 = Application.Transpose(arr)MsgBox arr1(2, 1) '转换后的数组是1列多行的二维数组End Sub'二维数组转一维 '注意:在转置时只有1列N行的数组才能直接转置成一维数组Sub arr_tranpose2()arr2 = Range("A1:B5")arr3 = Application.Transpose(Application.Index(arr2, , 2)) '取得arr2第2列数据并转置成1维数组MsgBox arr3(4)End Sub'把单元格中的内容用“-”连接起来Sub join_transpose_demo()arr = Range("A1:C1")arr1 = Range("A1:A5")MsgBox Join(Application.Transpose(Application.Transpose(arr)), "-")MsgBox Join(Application.Transpose(arr1), "-")End Sub |
6、利用数组获取所有工作表名称的自定义函数
|
1
2
3
4
5
6
7
8
9
10
|
'利用数组获取所有工作表名称的自定义函数Function getSheetsname(id)Dim i%, arr()k = Sheets.CountReDim arr(1 To k)For i = 1 To k arr(i) = Sheets(i).NameNextgetSheetsname = Application.Index(arr, id)End Function |
7、数组赋值，提高计算效率
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
'数组赋值，提高计算效率'2.03秒Sub dataInput()Dim start As Doublestart = TimerDim i&For i = 1 To 30000 Cells(i, 1) = iNextMsgBox "程序运行时间为" & Format(Timer - start, "0.00") & "秒"End Sub'0.12秒Sub dataInputArr()Dim start As Doublestart = TimerDim i&, arr(1 To 30000) As StringFor i = 1 To 30000 arr(i) = iNextRange("a1:a30000").Value = Application.Transpose(arr)MsgBox "程序运行时间为" & Format(Timer - start, "0.00") & "秒"End Sub'0.09秒Sub dataInputArr2()Dim start As Doublestart = TimerDim i&, arr(1 To 30000, 1 To 1) As StringFor i = 1 To 30000 arr(i, 1) = iNextRange("a1:a30000").Value = arrMsgBox "程序运行时间为" & Format(Timer - start, "0.00") & "秒"End Sub |
总结
VBA数组还是很强大的，通过对单元格区域数据的读取，赋值给数组，再利用数组函数或者调用Excel内置函数进行相关处理。另外，数组在赋值计算效率上面也是非常高的，大家可以自行尝试下。
到此这篇关于VBA数组用法案例详解的文章就介绍到这了,更多相关VBA数组用法内容请搜索服务器之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持服务器之家！
