findstu.frm

评语管理系统源代码

VERSION 5.00
Begin VB.Form Form2 
   Caption         =   "查找学生"
   ClientHeight    =   7170
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   8040
   LinkTopic       =   "Form2"
   MaxButton       =   0   'False
   ScaleHeight     =   7170
   ScaleWidth      =   8040
   StartUpPosition =   2  '屏幕中心
   Begin VB.TextBox Text4 
      Height          =   2295
      Left            =   720
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   9
      Top             =   4440
      Width           =   6135
   End
   Begin VB.ListBox List1 
      Height          =   1320
      Left            =   720
      TabIndex        =   8
      Top             =   2880
      Width           =   6135
   End
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   375
      Left            =   4320
      TabIndex        =   7
      Top             =   2280
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "查询"
      Height          =   375
      Left            =   2400
      TabIndex        =   6
      Top             =   2280
      Width           =   1215
   End
   Begin VB.TextBox Text3 
      Height          =   375
      Left            =   3840
      TabIndex        =   5
      Top             =   1560
      Width           =   1575
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   3840
      TabIndex        =   4
      Top             =   840
      Width           =   1575
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   3840
      TabIndex        =   3
      Top             =   120
      Width           =   1575
   End
   Begin VB.OptionButton Option3 
      Caption         =   "按班级"
      Height          =   375
      Left            =   2280
      TabIndex        =   2
      Top             =   1560
      Width           =   1095
   End
   Begin VB.OptionButton Option2 
      Caption         =   "按学号"
      Height          =   495
      Left            =   2280
      TabIndex        =   1
      Top             =   840
      Width           =   1095
   End
   Begin VB.OptionButton Option1 
      Caption         =   "按姓名"
      Height          =   375
      Left            =   2280
      TabIndex        =   0
      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
Option Explicit
Dim ID As String

Private Sub Command1_Click()
Dim rs As New ADODB.Recordset
Dim find As String
Dim sql As String
List1.Clear
List1.AddItem "学号" & Space(5) & "姓名" & Space(5) & "班级"
If Option1.Value = True Then
   sql = "select * from 学生管理 where 学生姓名='" & Text1.Text & "'"
   rs.Open sql, conn, adOpenKeyset, adLockPessimistic
   If rs.EOF = False Then
      rs.MoveFirst
      While rs.EOF = False
        List1.AddItem rs.Fields(0) & Space(5) & rs.Fields(1) & Space(5) & rs.Fields(2)
        rs.MoveNext
      Wend
      Text1.Text = ""
   Else
      MsgBox "没有找到目标！", vbOKOnly + vbExclamation, ""
   End If
End If
If Option2.Value = True Then
   sql = "select * from 学生管理 where 学号='" & Text2.Text & "'"
   rs.Open sql, conn, adOpenKeyset, adLockPessimistic
   If rs.EOF = False Then
        rs.MoveFirst
        While rs.EOF = False
           List1.AddItem rs.Fields(0) & Space(5) & rs.Fields(1) & Space(5) & rs.Fields(2)
           rs.MoveNext
        Wend
        Text2.Text = ""
   Else
        MsgBox "没有找到目标！", vbOKOnly + vbExclamation, ""
   End If
End If
If Option3.Value = True Then
   sql = "select * from 学生管理 where 班级='" & Text3.Text & "'"
   rs.Open sql, conn, adOpenKeyset, adLockPessimistic
   If rs.EOF = False Then
        rs.MoveFirst
     While rs.EOF = False
        List1.AddItem rs.Fields(0) & Space(5) & rs.Fields(1) & Space(5) & rs.Fields(2)
        rs.MoveNext
     Wend
     Text3.Text = ""
   Else
      MsgBox "没有找到目标！", vbOKOnly + vbExclamation, ""
   End If
End If
rs.Close
End Sub

Private Sub Command2_Click()
Unload Me
End Sub

Private Sub List1_Click()
Dim i As Long
Dim sql As String
Dim rsclick As New ADODB.Recordset
i = CLng(List1.ListIndex)
ID = Left(List1.Text, 6)
If i > 0 Then
   rsclick.CursorLocation = adUseClient
   sql = "select * from 学生操行 where 学号='" & ID & "'" & " order by 学期"
   rsclick.Open sql, conn, adOpenKeyset, adLockPessimistic
   If rsclick.EOF = False Then
      rsclick.MoveFirst
   Else
      MsgBox "该生没有评语！", vbOKOnly + vbExclamation, ""
      Exit Sub
   End If
   Text4.Text = ""                  '文本框清空
   While rsclick.EOF = False
      Text4.Text = Text4.Text & vbCrLf & "第" & rsclick.Fields(1) & "学期" & vbCrLf & Space(2) & _
      rsclick.Fields(2) & vbCrLf & Space(10) & rsclick.Fields(3) & Space(2) & rsclick.Fields(4)
      rsclick.MoveNext
   Wend
   rsclick.Close
   Exit Sub
Else
   MsgBox "请选择学生！", vbOKOnly + vbExclamation, ""
Exit Sub
End If
End Sub