密码强度判断条件如下:密码长度小于6,则强度为“弱”。在密码长度大于等于6的情况下,若只出现一种字符,则密码强度为“弱”;若出现两种不同字符,则密码强度为“中”,出现三种以上不同字符,则密码强度为“强”。
(1)Cmd1对象属于_________类。(单选,填字母:
A.Label | B.TextBox/ | C.CommandButton) |
Private Sub Cmd1_Click()
Dim n As Integer,i As Integer,m As Integer,s As
String,c As String
①__________
If n<6 Then
Label3.Caption="弱"Else
s="0000"For i=1 To n
c=Mid(Text1.Text,i,1)
If c>="0" And c<="9" Then
Mid(s,4,1)="1" '将字符串s第4位上的字符替换为"1"
Elself c>="A" And c<="Z" Then
Mid(s,3,1)="1"
Elself c>="a" And c<="z" Then
②__________
Else
Mid(s,1,1)="1"
End If
Next i
m=0
For i=1 To 4
If Mid(s,i,1)="1" Then ③__________
Next i
If m<2 Then
Label 3.Caption="弱"
Elself m=2 Then
Label 3.Caption="中"
Else
Label3.Caption="强"
End If
End If
End Sub(3)若文本框 Text1中输入的内容为“a26$gh2!”,则单击“判断”按钮Cmd1,事件过程运行结束时,变量s的值为________。
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2