-1
我正在尝试读取标题为“inventory.txt”的文本文件并将其保存到不同的数组。我得到indexOutOfRangeException是未处理的错误。当我通过我的代码并将鼠标悬停在“itembulkAmt”上时,它显示文本文件中不同行的信息,因为某些项目没有大量数量或价格,如任天堂开关。我很难坚持任何帮助,将不胜感激。这是文本文件看起来像:得到indexOutOfRangeException是未处理的错误
橡皮泥,3.95,10,2.99
傻串,3.50,10,2.77
任天堂开关,429.99
马里奥赛车(开关),49.99
Code Jam Challenge(Switch),47.99
Fidget Spinner,6.79,5,5.98
Rubik's cube,9.10
'编程规则!'按钮,0.79,20,.47
'编程规则!'保险杠贴纸,0.99,20,0.78
瓶Ø气泡,0.99
'read and validate inventory text file
Dim invntFile As StreamReader
If File.Exists("inventory.txt") Then
invntFile = File.OpenText("inventory.txt")
Dim indexInvnt As Integer = 0
While Not invntFile.EndOfStream
Dim entirelineInvnt = invntFile.ReadLine
Dim inventory() As String = entirelineInvnt.Split(","c)
Dim itemName As String = inventory(0)
Dim itemPrice As Double = CDbl(inventory(1))
Dim itemBulkAmt As Double = CDbl(inventory(2))
Dim itemBulkPrice As Double = CDbl(inventory(3))
itemLabel(indexInvnt) = itemName
priceReg(indexInvnt) = itemPrice
amtBulk(indexInvnt) = itemBulkAmt
priceBulk(indexInvnt) = itemBulkPrice
indexInvnt += 1
end while
end if
请阅读[问]并参加[导览](也有小工具栏上用于格式化帖子的工具和帮助) – Plutonix
您可以使用Try Catch块轻松处理此问题 –
文件中的某些行不包含4个元素。您的代码将在这些行中引发异常。 –