form4.frm

从别处拿来感觉还可以 内容比较多且完备值得大家看一看

VERSION 5.00
Begin VB.Form Form4 
   Appearance      =   0  'Flat
   BackColor       =   &H00C0C0C0&
   BorderStyle     =   1  'Fixed Single
   Caption         =   "查询"
   ClientHeight    =   2970
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4530
   LinkTopic       =   "Form4"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   2970
   ScaleWidth      =   4530
   Begin VB.TextBox Text1 
      BackColor       =   &H80000018&
      ForeColor       =   &H000000FF&
      Height          =   255
      Index           =   3
      Left            =   1920
      TabIndex        =   9
      Top             =   2040
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      BackColor       =   &H80000018&
      ForeColor       =   &H000000FF&
      Height          =   255
      Index           =   2
      Left            =   1920
      TabIndex        =   8
      Top             =   1560
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      BackColor       =   &H80000018&
      ForeColor       =   &H000000FF&
      Height          =   255
      Index           =   1
      Left            =   1920
      TabIndex        =   7
      Top             =   1080
      Width           =   1215
   End
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   255
      Left            =   2880
      TabIndex        =   6
      Top             =   2520
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   255
      Left            =   600
      TabIndex        =   5
      Top             =   2520
      Width           =   1095
   End
   Begin VB.TextBox Text1 
      BackColor       =   &H80000018&
      ForeColor       =   &H000000FF&
      Height          =   255
      Index           =   0
      Left            =   1920
      TabIndex        =   0
      Text            =   "   "
      Top             =   600
      Width           =   975
   End
   Begin VB.Label Label5 
      Caption         =   "按姓名关键字查询："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00C00000&
      Height          =   255
      Left            =   0
      TabIndex        =   10
      Top             =   2040
      Width           =   2775
   End
   Begin VB.Label Label3 
      Caption         =   "学生档案查询"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1200
      TabIndex        =   4
      Top             =   0
      Width           =   2175
   End
   Begin VB.Label Label1 
      Caption         =   "学号："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00C00000&
      Height          =   255
      Left            =   1200
      TabIndex        =   3
      Top             =   600
      Width           =   975
   End
   Begin VB.Label Label2 
      Caption         =   "姓名："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00C00000&
      Height          =   255
      Left            =   1200
      TabIndex        =   2
      Top             =   1080
      Width           =   1455
   End
   Begin VB.Label Label4 
      Caption         =   "班级："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00C00000&
      Height          =   255
      Left            =   1200
      TabIndex        =   1
      Top             =   1560
      Width           =   1575
   End
End
Attribute VB_Name = "Form4"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    Dim aa As Integer
    txtsql = ""
    If Trim(Text1(0).Text) <> "" Then
        aa = 1
        If txtsql = "" Then
            txtsql = "xj.学号='" & Trim(Text1(0).Text) & "'"
        Else
            txtsql = txtsql & "and xj.学号='" & Trim(Text1(0).Text) & "'"
        End If
    End If
    If Trim(Text1(1).Text) <> "" Then
        aa = 1
        If txtsql = "" Then
            txtsql = "xj.姓名='" & Trim(Text1(1).Text) & "'"
        Else
            txtsql = txtsql & "and xj.姓名='" & Trim(Text1(1).Text) & "'"
        End If
    End If
    If Trim(Text1(2).Text) <> "" Then
        aa = 1
        If txtsql = "" Then
            txtsql = "xj.班级='" & Trim(Text1(2).Text) & "'"
        Else
            txtsql = txtsql & "and xj.班级='" & Trim(Text1(2).Text) & "'"
        End If
    End If
    If Trim(Text1(3).Text) <> "" Then
        aa = 1
        txtsql = ""
        txtsql = "xj.姓名 like '%" & Trim(Text1(3).Text) & "%'"
    End If
    If aa = 0 Then
        ss = MsgBox("你至少要输入一个条件以上才能查询！", , " 警告")
        Text1(0).SetFocus
        Exit Sub
    End If
    Dim str As String
    str = "select * from xj where " & txtsql
    Dim mrc As ADODB.Recordset
    Set mrc = ExecuteSQL(str)
    If mrc.EOF = True Then
        zzz = MsgBox("对不起，没有此学生的档案记录！", vbOKOnly, "查询")
        Form4.ZOrder (0)
        Form4.Text1(0).SetFocus
        Exit Sub
    End If
    txtsql = "select xj.学号,xj.姓名,xj.性别,class.年级,xj.班级,class.专业," & _
        " class.年制,xj.出生年月,xj.家庭住址,xj.邮政编码,xj.联系电话,xj.入学时间," & _
        " xj.备注 from xj inner join class on xj.班级=class.班级  where " & _
        txtsql & "order by class.年级 desc,class.班级 desc,xj.学号 desc"
    Form3.printstr = txtsql
    find = True
    Form3.Show
    Form3.Caption = "学生档案查询结果"
    Form3.showtitle
    Form3.showdata
End Sub
Private Sub Command2_Click()
    Unload Me
End Sub
Private Sub Form_Activate()
    find = True
End Sub
Private Sub Form_LostFocus()
    Unload Me
End Sub
Private Sub Form_Unload(Cancel As Integer)
    find = False
End Sub
Private Sub Text1_KeyPress(Index As Integer, KeyAscii As Integer)
    If KeyAscii = 39 Then
        KeyAscii = 0
    End If
End Sub