在C盘当前文件夹下有一个已建立好的顺序文件Alph.txt,文件内容为只含有字母的一个字符串(有双引号界定符)。单击窗体,打开Alph.txt文件,读取字符串并显示在文本框Text1中,然后调用StrSort过程将此字符串按ASCII码的顺序重新排列并显示在文本框Text2中,最后将重新排列的字符串存入AlpO.txt文件中(无双引号界定符)。请选择横线处合适的语句()。
Private Sub Form_Load()
Dim StrIn As String,StrOut As Strings
Open"C:\Alph.txt"For Input As #1
______
Close
Text1.Text=StrIn
______
Text2.Text=StrOut
Open"C:\AlpO.txt"For Output As#2
______
Close
End Sub
Private Function StrSort(s As String)As String
Dim s Arr() As String *1,i As Integer,j As Integer,n As Integer
Dim t As String *1
n=Len(s)
ReDim sArr(n)
For i=1 To n
s Arr(i)=Mid(s,i,1)
Next i
For i=1 To n-1
For j=i+1 To n
If sArr(i)>sArr(j) Then
t=sArr(i):sArr(j):sArr(j):sArr(j)=t
End If
Next j,i
For i=1 To n
StrSort=StrSort & s Arr(i)
Next i
End Function
A.Input#1,StrIn StrIn Print#2,StrOut
B.Input#1,StrIn StrSort(StrIn) Input#2,StrOut
C.Input#2,StrIn StrSort(StrIn) Input#1,StrOut
D.Print#1,StrIn StrSort(StrIn) Input#2,StrOut
在C盘当前文件夹下有一个已建立好的顺序文件Alph.txt,文件内容为只含有字母的一个字符串(有双引号界定符)。单击窗体,打开Alph.txt文件,读取字符串并显示在文本框Text1中,然后调用StrSort过程将此字符串按ASCII码的顺序重新排列并显示在文本框Text2,最后将重新排列的字符串存入AlpO.txt文件中(无双引号界定符)。请选择横线处合适的语句 ()。 Private Sub Form_Load() Dim StrIn As String, StrOut As String Open "C:\Alph.txt" For Input As #1 ______ Close Text1.Text=StrIn ______ Text2.Text=StrOut Open "C:\AlpO.txt" For Output As #2 ______ Close End Sub Private Function StrSort(s As String) As String Dim sArr() As String *1, i As Integer,j As Integer, n As Integer Dim t As String *1 n=Len(s) ReDim sArr(n) For i=1 To n sAn(i)=Mid(s,i,1) Next i For i=1 To n-1 For j=i+1 To n If sArr(i)>sArr(j) Then t=sAn(i):sArr(i)=sArr(j):sArr(j)=t End If Next j,i For i=1 To n StrSort=StrSort & sArr(i) Next i End Function
A.Input #1, StrIn StrIn Print #2, StrOut
B.Input #1, StrIn StrSort(StrIn) Print #2, StrOut
C.Input #2, StrIn StrSort(StrIn) Print #1, StrOut
D.Print #1, StrIn StrSort(StrIn) Input #2, StrOut
有以下程序(strcpy为字符串复制函数,strcat为字符串连接函数) include<stdio.h> include<string-h> main() {chara[10]=abc,b[10]=012,c[10]=xyz; strcpy(a+1,b+2); puts(strcat(a,c+1)); } 程序运行后的输出结果是
A.bc2yz
B.a2yz
C.a12xyz
D.12yz
A.toLowerCase()
B.toUpperCase()
C.makeLower()
D.makeUpper()
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!