上级操作的代码和示意图(成绩排序)2.成绩排序
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim i As Integer
For i = 1 To 10
Me.ListBox1.Items.Add(CInt(InputBox("请输入学生成绩", "成绩输入", 80)))
Next
End Sub
Private Sub Button...
2.成绩排序
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim i As Integer
For i = 1 To 10
Me.ListBox1.Items.Add(CInt(InputBox("请输入学生成绩", "成绩输入", 80)))
Next
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim i As Integer
Dim s As Integer
For i = 0 To Me.ListBox1.Items.Count - 1
s += CInt(Me.ListBox1.Items(i))
Next
MessageBox.Show((s / Me.ListBox1.Items.Count).ToString)
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim i As Integer
Dim a(9) As Integer
For i = 0 To 9
a(i) = CInt(Me.ListBox1.Items(i))
Next
Array.Sort(a)
For i = 0 To 9
Me.ListBox1.Items(i) = a(i)
Next
End Sub
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
Dim i As Integer
Dim s As Integer
For i = 0 To Me.ListBox1.Items.Count - 1
s += CInt(Me.ListBox1.Items(i))
Next
MessageBox.Show((s).ToString)
End Sub
Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
Dim i As Integer
Dim a(9) As Integer
For i = 0 To 9
a(i) = CInt(Me.ListBox1.Items(i))
Next
Array.Sort(a)
Array.Reverse(a)
For i = 0 To 9
Me.ListBox1.Items(i) = a(i)
Next
End Sub
Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
End
End Sub
End Class
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