自测1程序代码Private Sub Command1_Click() = + 3End SubPrivate Sub Command2_Click() = TrueEnd SubPrivate Sub Command3_Click() = TrueEnd SubPrivate Sub Command4_Click() = 10= False= FalseEnd Sub初始窗口：单机放大之后窗口：单机下划线之后窗口：单击加粗之后窗口：单击还原之后窗口：自测2程序代码Private Sub Command1_Click() Label1 = "visual basic"Text1 = "程序设计题"End SubPrivate Sub Command2_Click() Text1 = "visual basic"Label1 = "程序设计题"End Sub初始窗口：单击显示之后窗口：单击交换之后的窗口：自测题3Private Sub Command1_Click() = *End SubPrivate Sub Command2_Click() = + 30= + 20= 1End Sub初始窗口：单击缩小两倍之后的窗口：单击向右下角移动之后的窗口：自测题4程序代码Private Sub Command1_Click() = "VB学习"Print "简单的VB程序设计" End SubPrivate Sub Command2_Click() ClsEnd SubPrivate Sub Command3_Click() EndEnd SubPrivate Sub Command3_Click() EndEnd Sub初始化窗口：单击显示之后的窗口：单击清除之后的窗口：单击退出之后的窗口：自测题5程序代码Private Sub Command1_Click() = ""= ""End SubPrivate Sub Command2_Click() = Val + ValEnd SubPrivate Sub Command3_Click() EndEnd Sub初始化窗口：单击运算之后窗口：单击清除之后的窗口：单击退出之后的窗口：自测练习1Private Sub Command1_Click()Dim a$a == Left(a, 2)End SubPrivate Sub Command2_Click()a == Right(a, 2)End SubPrivate Sub Command3_Click()= &End Sub初始窗口界面输入字符串截取前两个字符截取后两个字符字符串连接自测练习2Private Sub Form_Click()Dim a%, b%, c%, d%, e%, f%, g%, h%, i%, j%, k%, l% a = 7349e = a Mod 10 '个位d = (a \ 10) Mod 10 '十位c = (a \ 100) Mod 10 '百位b = a \ 1000 '千位i = (e + 7) Mod 10 '个位h = (d + 7) Mod 10 '十位g = (c + 7) Mod 10 '百位f = (b + 7) Mod 10 '千位j = ii = f '交换后的个位f = j '交换后的千位k = hh = g '交换后的十位g = k '交换后的百位l = f * 1000 + g * 100 + h * 10 + i= FalsePrint "加密前的4位整数是7439"; (Chr(10)); "加密后的结果是"; l End Sub初始界面单击窗体运行后的界面自测练习1Private Sub Form_Click()Dim a%, b%, c%, d%, e%, f!a = Val(InputBox("输入第一个数", "输入一个数", 8))b = Val(InputBox("输入第一个数", "输入一个数", 7))c = a + bd = a - be = a * bf = a / bf = Fix(f * 100 + / 100MsgBox "x+y=" & c & Chr(10) & "x-y=" & d & Chr(10) & "x*y=" & e & Chr(10) & "x/y=" & f, , "输出的结果"End Sub自测练习2Private Sub Form_Click()Dim a%, b%, c%, d%, e%, f!a = Val(InputBox("输入第一个数的值"))b = Val(InputBox("输入第二个数的值"))c = Val(InputBox("输入第三个数的值"))d = Val(InputBox("输入第四个数的值"))e = a + b + c + df = e / 4Print "和="; ePrint "平均值="; fEnd Sub自测练习3Private Sub Form_Click()Dim h%, f%, x%, y%h = Val(InputBox("输入总头数"))f = Val(InputBox("输入总脚数"))x = (4 * h - f) / 2y = (f - 2 * h) / 2Print "笼中鸡的头数为"; x; "只"Print "笼中兔的头数为"; y; "只"End Sub自测练习1：Private Sub Form_Click()Dim a%, b%, c%a = Val(InputBox("请输入第一条边", "边长"))b = Val(InputBox("请输入第二条边", "边长"))c = Val(InputBox("请输入第三条边", "边长"))If a + b > c And a + c > b And b + c > a ThenIf a * a + b * b = c * c Or a * a + c * c = b * b Or b * b = c * c = a * a Then Print "直角"ElseIf a = b And b = c ThenPrint "等边三角形"ElseIf a = b Or a = c Or b = c ThenPrint "等腰三角形"ElsePrint "一般三角形"End IfElsePrint "不是三角形"End IfEnd Sub不是三角形运行结果：初始窗口：输入三条边：运行结果：直角三角形运行结果：等边三角形运行结果如下：等腰三角形：一般三角形自测练习2：Private Sub Form_Click()Dim a%, b!a = Val(InputBox("请输入"))If a Mod 2 = 0 And a Mod 3 = 0 And a Mod 5 = 0 Then b = Sqr(a)Print a, bElseEndEnd IfEnd Sub初始化窗口：输入一个数：运行结果：自测练习3Private Sub Command1_Click()Dim a%, b%a = ValSelect Case a > 0Case a < 20MsgBox "行李费为元/kg", , "行李费"Case a >= 20 And a < 50MsgBox "行李费为元/kg", , "行李费"Case a >= 50 And a < 100MsgBox "行李费为元/kg", , "行李费"Case Elseb = * 100 + (a - 100) * : MsgBox "行李费为" & b & "元", , "行李费" End SelectEnd Sub初始窗口：输入10：输入25：输入55：输入120：自测练习1Option Base 1Private Sub Form_Click()Dim i%, a(1 To 20) As Integer a(1) = 1: a(2) = 1Print a(1);Print a(2);For i = 3 To 10a(i) = a(i - 1) + a(i - 2) Print a(i);Next iPrintFor i = 11 To 16a(i) = a(i - 1) + a(i - 2) Print a(i);Next iPrintFor i = 17 To 20a(i) = a(i - 1) + a(i - 2)Print a(i);Next i初始界面：运行结果界面：自测练习2Option Base 1Private Sub Form_Load()= 10000= 5000End SubPrivate Sub Command1_Click()Dim i%, j%, t%, a(1 To 4, 1 To 4) As Integer For i = 1 To 4For j = 1 To 4a(i, j) = Int(Rnd * 10) + 1 a(i, j);Next jNext i"对角线的元素如下"For i = 1 To 4a(i, i);Next iFor i = 1 To 4a(i, 5 - i);Next iFor i = 1 To 4t = a(1, i)a(1, i) = a(4, i) a(4, i) = tNext iFor i = 1 To 4t = a(i, 2)a(i, 2) = a(i, 3) a(i, 3) = tNext iFor i = 1 To 4 For j = 1 To 4a(i, j);Next jNext iEnd Sub运行初始界面：运运行结果界面：自测练习1Sub itostr(a As Integer)Dim b%, c$a = ValWhile a >= 1c = Chr(a Mod 10 + 48) & ca = a \ 10Wend= c End SubPrivate Sub Command1_Click()Dim a As Integera = ValCall itostr(a)End Sub运行初始界面：运行结果界面：验证其他数字：自测练习2：Public Function area(n) As Double Dim c#, d#, e#, s#n = Valc = (1 - 0) / nWhile e <= 1d = I * c:e = (I + 1) * cs = s + (Sin(d) + Sin(e)) * c / 2I = I + 1Wendarea = sEnd FunctionPrivate Sub Command1_Click()Dim s As DoubleCall area(n)= area(n)End Sub运行初始界面：运行结果：自测练习3Private Sub Form_click()n = Val(InputBox("请输入n的值")) x = Val(InputBox("请输入x的值")) Print "e的值="; es(n, x)End SubPrivate Function es(n, x)Dim a As Double, b As Double, c As Double, i As Integer a = 1: b = 1: c = 1For i = 1 To na = x * a:b = b * i:c = c + a / bNext ies = cEnd Function运行初始界面：输入数据：运行结果：自测练习4：For i = 1 To 4For j = i + 1 To 5If a(i) > a(j) Thent = a(i): a(i) = a(j): a(j) = t End IfNext jNext iFor i = 1 To 5Print a(i); " ";Next iFor i = 1 To 5If Y < a(i) Thent = a(i): a(i) = Y: Y = tEnd IfNext iFor i = 1 To 6a(6) = tNext iEnd FunctionPrivate Sub Command1_Click()Dim i#, a%(1 To 6), Y%Y = Val(InputBox("输入y的值", "输入数据")) Insertfun a%(), YPrintFor i = 1 To 6Print a(i); " ";Next iEnd Sub运行初始界面：插入数据：运行结果：自测练习1：Private Sub Command1_Click()If = 1 Then= "报名参加羽毛球比赛"If = 1 Then= "报名参加乒乓球比赛"End IfIf = 1 And = 1 Then= "报名参加羽毛球，乒乓球比赛" End IfEnd Sub运行初始界面：运行结果：自测练习4：Private Sub Form_Load()= 2= 24= "黑体"= &HFF&Private Sub Option1_Click() = "我是学生"End SubPrivate Sub Option2_Click() = "我是教师"End SubPrivate Sub Option3_Click() = "我是工人"End SubPrivate Sub Option4_Click() = "我是农民"End Sub运行初始界面：运行结果：自测练习6：Private Sub Command1_Click() For i = 0 To - 1If (i) = ThenExit ForEnd IfNext iIf i > - 1 ThenEnd IfEnd SubPrivate Sub Command2_Click() If <> -1 ThenFor i = 0 To - 1If (i) = TheniExit ForNext iEnd IfEnd SubPrivate Sub Command3_Click()End Sub运行初始界面:自测练习7：Private Sub Command1_Click() = 1= TrueEnd SubPrivate Sub Form_Load()= 20= 20= 20End SubPrivate Sub Timer1_Timer() = + 10lbltem =If VSbwd >= 100 Then lbltishi = "水开了"= FalseEnd IfEnd Sub运行初始界面：运行结果：自测练习1：Private Sub myhelp_Click()End SubPrivate Sub mymenu1_Click() = "百货大楼"End SubPrivate Sub mymenu2_Click() = "利客隆"End SubPrivate Sub mymenu3_Click() = "稻香村"End Sub运行初始界面：运行结果界面：自测练习2：Private Sub Dis_Click()= "菜单程序设计"= 20= "黑体"End SubPrivate Sub Hid_Click()= FalseEnd Sub运行初始界面：运行结果界面：自测练习3：Private Sub vbhelp_Click()r = MsgBox("帮助", , "程序设计题") End SubPrivate Sub Vbnew_Click()r = MsgBox("新建", , "程序设计题") End SubPrivate Sub vbopen_Click()r = MsgBox("打开", , "程序设计题") End SubPrivate Sub vbsave_Click()r = MsgBox("存盘", , "程序设计题") End Sub运行初始界面：运行结果：自测练习4：Private Sub Command1_Click()= 1End Sub运行初始界面：运行结果：自测练习1：Private Sub Command1_Click()Dim a As String, n%, i%, j%Open "E:\" For Input As #1Input #1, an = Len(a)j = 0For i = 1 To nIf Mid(a, i, 1) = "%" Then j = j + 1Next iClose #1Open "E:\" For Output As #1 Print #1, jClose #1End Sub运行初始界面：运行结果：自测练习3：Private Sub Form_Click() Dim x$Open "e:\" For Input As #1 Do While Not EOF(1)Line Input #1, x$LoopClose #1Open "e:\" For Append As #1Print #1, x$Close #1End Sub运行初始界面：自测练习4Private Sub Form_load()Print " 26个英文字母"PrintPrint " a b c d e f g h i j k l m n o p q r s t u v w x y z"Print "字母个数分别为"End SubPrivate Sub Form_Click()Open "E:\" For Output As #1文本$ = InputBox("请输入文本")n = UCase(文本$)Print #1, nClose #1Dim a%()Open "E:\" For Output As #1 For i = 1 To Len(n)ReDim Preserve a(1 To 26)j = Asc(Mid(n, i, 1)) - 64a(j) = a(j) + 1Next iClose #1For j = LBound(a) To UBound(a) Print a(j);Next jEnd Sub。