我在学习中看到书中讲述的都是对一个文件的操作。还有实际中我有许多网页各式的文件需要读取，需要事先保存成txt文件读取还是有什么方法直接读取？
这个或许有帮助
谢邀。&br&我本人未做过&a href=&///?target=http%3A//vb.net& class=& external& target=&_blank& rel=&nofollow noreferrer&&&span class=&invisible&&http://&/span&&span class=&visible&&vb.net&/span&&span class=&invisible&&&/span&&i class=&icon-external&&&/i&&/a&。对vb不熟悉。&br&如果让我来做、我会先查询一下help中对文件操作的函数。以文件流的方式读取文件。多个文件的时候可以多线程读取也可以队列读取。注意处理文件独占的异常就好了。希望对你有帮助
谢邀。我本人未做过。对vb不熟悉。如果让我来做、我会先查询一下help中对文件操作的函数。以文件流的方式读取文件。多个文件的时候可以多线程读取也可以队列读取。注意处理文件独占的异常就好了。希望对你有帮助
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社交帐号登录vb.net一个两位数正整数,如果将其个位数与十位数字对调所生成的数称为对调数.如28是82的对调数.编程找出所有满足两个两位正整数之和等于他们的对调数之和的数对.如56+32=65+23 则 56和 32就是一对要找的数.（提示：对调数可以这样求得：设原数为x,则其对调数xf=(x mod 10)*10+int(x/10) ）
myLstResult中就是最终的结果.& & & & Dim myLstX As New List(Of Integer)& & & & Dim myLstXF As New List(Of Integer)& & & & Dim myLstDiff As New List(Of Integer)& & & & Dim myLstResult As New List(Of String)& & & & Dim temp As Integer& & & & For i = 11 To 99& & & & & & If mylstX.IndexOf(i) = -1 And mylstXF.IndexOf(i) = -1 Then& & & & & & & & mylstX.Add(i)& & & & & & & & temp = (i Mod 10) * 10 + Int(i / 10)& & & & & & & & mylstXF.Add(temp)& & & & & & & & mylstDiff.Add(temp - i)& & & & & & End If& & & & Next& & & & For i = 0 To myLstDiff.Count - 1& & & & & & For j = 0 To myLstDiff.Count - 1& & & & & & & & If i && j And myLstDiff(i) + myLstDiff(j) = 0 Then& & & & & & & & & & myLstResult.Add(myLstX(i).ToString + &+& + myLstX(j).ToString + &=& + myLstXF(i).ToString + &+& + myLstXF(j).ToString)& & & & & & & & End If& & & & & & Next& & & & Next
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你可能喜欢''' &summary&
''' 人民币大小写转换。
''' Add by pwm
''' &/summary&
''' &param name="r"&货币金额&/param&
''' &returns&人民币大写字符串&/returns&
''' &remarks&超过两位的小数会自动进行四舍五入。&/remarks&
Public Shared Function ToRMB(ByVal r As Decimal) As String
If r = 0 Then
Return "零元"
Dim cnShuzi() As String = {"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"}
Dim cnDanwei() As String = {"分", "角", "元", "拾", "佰", "仟", "万", "拾万", "佰万", "仟万", _
"亿", "拾亿", "佰亿", "仟亿", "万亿", "拾万亿", "佰万亿", "仟万亿", "万万亿"}
Dim arr() As Char = Decimal.ToInt64(Decimal.Round(r, 2) * 100).ToString().ToCharArray()
Array.Reverse(arr)
Dim rmb As New stringBuilder
For i As Integer = 0 To arr.Length - 1
Dim num As Integer = CInt(arr(i).ToString)
If num && 0 Then
If i & 6 And i & 10 And rmb.ToString().IndexOf("万 ") &= 0 Then
rmb.Insert(0, cnShuzi(num) + cnDanwei(i)(0))
ElseIf i & 10 And i & 14 And rmb.ToString().IndexOf("亿 ") &= 0 Then
rmb.Insert(0, cnShuzi(num) + cnDanwei(i)(0))
ElseIf i & 14 And rmb.ToString().IndexOf("万亿 ") &= 0 Then
rmb.Insert(0, cnShuzi(num) + cnDanwei(i).Substring(0, 2))
rmb.Insert(0, cnShuzi(num) + cnDanwei(i))
If i = 2 Then
If arr(1) = "0 " Then
rmb.Insert(0, "元 ")
rmb.Insert(0, "元零 ")
If rmb.Length & 0 Then
If rmb(0) && "零" And rmb(0) && "元" Then
rmb.Insert(0, "零 ")
If rmb(rmb.Length - 1) = "元" Then
Return rmb.ToString() + "整"
Return rmb.ToString()
Catch ex As Exception
Return "数值过大，无法转换！ "
End FunctionVB.net编写一个控制台应用程序用来从键盘上输入两个数然后输出这两个数的和差积商不要复制粘贴&接下来我要如何编写&
过年吧TA0159
Module Module1
Sub Main()
Dim FN As Decimal
Dim SN As Decimal
Dim sum As Decimal
Dim dec1 As Decimal
Dim dec2 As Decimal
Dim dec3 As Decimal
Console.WriteLine("请输入第一个数：")
FN = Decimal.Parse(Console.ReadLine)
Console.WriteLine("请输入第二个数：")
SN = Decimal.Parse(Console.ReadLine)
sum = FN + SN
dec1 = FN - SN
dec2 = FN * SN
dec3 = FN / SN
Console.WriteLine("和：{0},差:{1},积:{2},商:{3}", sum, dec1, dec2, dec3)
Catch ex As Exception
Console.WriteLine(ex.Message)
Console.WriteLine("按任意键退出")
Console.ReadKey()
End SubEnd Module
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