form2.frm

简单的考试系统

VERSION 5.00
Begin VB.Form Form2 
   BackColor       =   &H00C0C0C0&
   Caption         =   "Form2"
   ClientHeight    =   2400
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   3990
   LinkTopic       =   "Form2"
   MaxButton       =   0   'False
   ScaleHeight     =   2400
   ScaleWidth      =   3990
   StartUpPosition =   3  '窗口缺省
   Begin VB.Frame Frame1 
      Caption         =   "题目"
      Height          =   1215
      Left            =   120
      TabIndex        =   8
      Top             =   480
      Width           =   3735
      Begin VB.TextBox Text3 
         Height          =   375
         Left            =   1440
         TabIndex        =   10
         Top             =   720
         Width           =   2055
      End
      Begin VB.TextBox Text2 
         Height          =   375
         Left            =   1440
         TabIndex        =   9
         Top             =   240
         Width           =   2055
      End
      Begin VB.Label Label1 
         Caption         =   "请填入答案："
         Height          =   255
         Index           =   2
         Left            =   240
         TabIndex        =   12
         Top             =   840
         Width           =   1215
      End
      Begin VB.Label Label1 
         Caption         =   "题目内容："
         Height          =   255
         Index           =   1
         Left            =   360
         TabIndex        =   11
         Top             =   360
         Width           =   975
      End
   End
   Begin VB.TextBox Text1 
      BackColor       =   &H00C0C0C0&
      BorderStyle     =   0  'None
      Enabled         =   0   'False
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   15
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00FF0000&
      Height          =   300
      Left            =   720
      TabIndex        =   4
      Top             =   120
      Width           =   375
   End
   Begin VB.TextBox Text4 
      Height          =   270
      Left            =   2880
      TabIndex        =   3
      Top             =   120
      Width           =   495
   End
   Begin VB.CommandButton Command1 
      Caption         =   "提交"
      Height          =   375
      Left            =   480
      TabIndex        =   2
      Top             =   1920
      Width           =   1095
   End
   Begin VB.CommandButton Command2 
      Caption         =   "答案"
      Height          =   375
      Left            =   2400
      TabIndex        =   1
      Top             =   1920
      Width           =   1095
   End
   Begin VB.CommandButton Command3 
      Caption         =   "Go"
      Height          =   255
      Left            =   3480
      TabIndex        =   0
      Top             =   120
      Width           =   375
   End
   Begin VB.Label Label1 
      Caption         =   "这是第"
      Height          =   255
      Index           =   0
      Left            =   120
      TabIndex        =   7
      Top             =   120
      Width           =   615
   End
   Begin VB.Label Label1 
      Caption         =   "题"
      Height          =   255
      Index           =   3
      Left            =   1080
      TabIndex        =   6
      Top             =   120
      Width           =   255
   End
   Begin VB.Label Label1 
      Caption         =   "请填入题号："
      Height          =   255
      Index           =   4
      Left            =   1800
      TabIndex        =   5
      Top             =   120
      Width           =   1095
   End
End
Attribute VB_Name = "Form2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'#############################################################
'#    本例程由.::VB天空::.提供                               #
'#    请访问http://www.evbsky.com以得到更多VB资讯            #
'#    作者: 心雨软件工作室                                   #
'#    主页:http://www.evbsky.com.::VB天空::.                 #
'#    电子邮件:[e-mail]                          #
'#             [e-mail]                               #
'#    本例程演示了如何创建一个考试系统，包括填空题、选择题。 #
'#    稍加修改就能编写成一个完整的考试程序。                 #
'#    你可以自由散播本例程，但必须要保留这段版本信息         #
'#############################################################
Dim rsData As Recordset
Dim db As Database
Dim Result As String, Issue As String
Dim a As Integer
Private Sub Command1_Click()
If Text3.Text <> "" Then '如果为空
If Text3.Text <> Result Then '如果回答不符
i% = MsgBox("回答错误", vbCritical, "提示")
Else                               '正确则
i% = MsgBox("回答正确", vbInformation, "提示")
'出下一题
Call IniTheme
End If
End If
Text3.Text = ""
End Sub

Private Sub Command2_Click()
i = MsgBox("正确答案为'" & Result & "'", vbOKOnly, "提示")
End Sub

Private Sub Command3_Click()
On Error GoTo errhand
rsData.MoveFirst
Do Until rsData.Fields(0).Value = Text4.Text  '随机抽取试题
 rsData.MoveNext
  Text1.Text = rsData.Fields(0).Value '显示题号
  Text2.Text = rsData.Fields(1).Value '显示题目
  Result = rsData.Fields(2).Value '将答案放入变量
Loop
Exit Sub
errhand: MsgBox "无当前记录！"
End Sub


Private Sub Command4_Click()

End Sub

Private Sub Form_Load()
i = 0
 Set db = OpenDatabase(App.Path & "\test.mdb") '打开数据库
 Set rsData = db.OpenRecordset("test") '打开表test
Call IniTheme
End Sub
Sub IniTheme()
On Error Resume Next
 rsData.MoveFirst '将数据指针指向数据库首位
Randomize '初始化随机数种子
'产生随机数，可以改进为产生不重复的随机数
a = Int((18 - 1 + 1) * Rnd + 1)
Do Until rsData.Fields(0).Value = a '随机抽取试题
 rsData.MoveNext
  Text1.Text = rsData.Fields(0).Value '显示题号
  Text2.Text = rsData.Fields(1).Value '显示题目
  Result = rsData.Fields(2).Value '将答案放入变量
Loop

End Sub

Private Sub Text3_KeyPress(KeyAscii As Integer)
 If KeyAscii = 13 Then
  Command1_Click
 End If
End Sub

Private Sub Text4_KeyPress(KeyAscii As Integer)
 If KeyAscii = 13 Then
Command3_Click
 End If
End Sub