frmreaders.vb

这是网络版的图书管理

Public Class frmReaders
    Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写处置以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意：以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents TextBox5 As System.Windows.Forms.TextBox
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents TextBox6 As System.Windows.Forms.TextBox
    Friend WithEvents CheckBox1 As System.Windows.Forms.CheckBox
    Friend WithEvents CheckBox2 As System.Windows.Forms.CheckBox
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.GroupBox1 = New System.Windows.Forms.GroupBox()
        Me.Button3 = New System.Windows.Forms.Button()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.GroupBox2 = New System.Windows.Forms.GroupBox()
        Me.CheckBox2 = New System.Windows.Forms.CheckBox()
        Me.CheckBox1 = New System.Windows.Forms.CheckBox()
        Me.Label6 = New System.Windows.Forms.Label()
        Me.TextBox6 = New System.Windows.Forms.TextBox()
        Me.Label5 = New System.Windows.Forms.Label()
        Me.TextBox5 = New System.Windows.Forms.TextBox()
        Me.Label4 = New System.Windows.Forms.Label()
        Me.TextBox4 = New System.Windows.Forms.TextBox()
        Me.Label3 = New System.Windows.Forms.Label()
        Me.TextBox3 = New System.Windows.Forms.TextBox()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.TextBox2 = New System.Windows.Forms.TextBox()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.Button2 = New System.Windows.Forms.Button()
        Me.GroupBox1.SuspendLayout()
        Me.GroupBox2.SuspendLayout()
        Me.SuspendLayout()
        '
        'GroupBox1
        '
        Me.GroupBox1.BackColor = System.Drawing.Color.FromArgb(CType(192, Byte), CType(192, Byte), CType(255, Byte))
        Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button3, Me.Label1, Me.TextBox1, Me.GroupBox2, Me.Button1, Me.Button2})
        Me.GroupBox1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(424, 312)
        Me.GroupBox1.TabIndex = 0
        Me.GroupBox1.TabStop = False
        '
        'Button3
        '
        Me.Button3.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.Button3.Location = New System.Drawing.Point(320, 56)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(64, 24)
        Me.Button3.TabIndex = 3
        Me.Button3.Text = "缴费"
        '
        'Label1
        '
        Me.Label1.ForeColor = System.Drawing.Color.FromArgb(CType(0, Byte), CType(0, Byte), CType(64, Byte))
        Me.Label1.Location = New System.Drawing.Point(16, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(88, 21)
        Me.Label1.TabIndex = 4
        Me.Label1.Text = "读者学号"
        Me.Label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(104, 24)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(280, 21)
        Me.TextBox1.TabIndex = 0
        Me.TextBox1.Text = ""
        '
        'GroupBox2
        '
        Me.GroupBox2.Controls.AddRange(New System.Windows.Forms.Control() {Me.CheckBox2, Me.CheckBox1, Me.Label6, Me.TextBox6, Me.Label5, Me.TextBox5, Me.Label4, Me.TextBox4, Me.Label3, Me.TextBox3, Me.Label2, Me.TextBox2})
        Me.GroupBox2.Location = New System.Drawing.Point(8, 88)
        Me.GroupBox2.Name = "GroupBox2"
        Me.GroupBox2.Size = New System.Drawing.Size(408, 216)
        Me.GroupBox2.TabIndex = 0
        Me.GroupBox2.TabStop = False
        Me.GroupBox2.Text = "读者信息"
        '
        'CheckBox2
        '
        Me.CheckBox2.Enabled = False
        Me.CheckBox2.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.CheckBox2.Location = New System.Drawing.Point(280, 184)
        Me.CheckBox2.Name = "CheckBox2"
        Me.CheckBox2.Size = New System.Drawing.Size(96, 24)
        Me.CheckBox2.TabIndex = 6
        Me.CheckBox2.Text = "暂时注销"
        Me.CheckBox2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'CheckBox1
        '
        Me.CheckBox1.Enabled = False
        Me.CheckBox1.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.CheckBox1.Location = New System.Drawing.Point(104, 184)
        Me.CheckBox1.Name = "CheckBox1"
        Me.CheckBox1.Size = New System.Drawing.Size(96, 24)
        Me.CheckBox1.TabIndex = 5
        Me.CheckBox1.Text = "成功注册"
        Me.CheckBox1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'Label6
        '
        Me.Label6.ForeColor = System.Drawing.Color.FromArgb(CType(0, Byte), CType(0, Byte), CType(64, Byte))
        Me.Label6.Location = New System.Drawing.Point(8, 24)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(88, 21)
        Me.Label6.TabIndex = 14
        Me.Label6.Text = "读者姓名"
        Me.Label6.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'TextBox6
        '
        Me.TextBox6.BackColor = System.Drawing.Color.White
        Me.TextBox6.Location = New System.Drawing.Point(104, 152)
        Me.TextBox6.Name = "TextBox6"
        Me.TextBox6.ReadOnly = True
        Me.TextBox6.Size = New System.Drawing.Size(272, 21)
        Me.TextBox6.TabIndex = 4
        Me.TextBox6.Text = ""
        '
        'Label5
        '
        Me.Label5.ForeColor = System.Drawing.Color.FromArgb(CType(0, Byte), CType(0, Byte), CType(64, Byte))
        Me.Label5.Location = New System.Drawing.Point(8, 152)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(96, 21)
        Me.Label5.TabIndex = 12
        Me.Label5.Text = "总欠费用（元）"
        Me.Label5.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'TextBox5
        '
        Me.TextBox5.BackColor = System.Drawing.Color.White
        Me.TextBox5.Location = New System.Drawing.Point(104, 120)
        Me.TextBox5.Name = "TextBox5"
        Me.TextBox5.ReadOnly = True
        Me.TextBox5.Size = New System.Drawing.Size(272, 21)
        Me.TextBox5.TabIndex = 3
        Me.TextBox5.Text = ""
        '
        'Label4
        '
        Me.Label4.ForeColor = System.Drawing.Color.FromArgb(CType(0, Byte), CType(0, Byte), CType(64, Byte))
        Me.Label4.Location = New System.Drawing.Point(8, 88)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(88, 21)
        Me.Label4.TabIndex = 10
        Me.Label4.Text = "借阅次数"
        Me.Label4.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'TextBox4
        '
        Me.TextBox4.BackColor = System.Drawing.Color.White
        Me.TextBox4.Location = New System.Drawing.Point(104, 88)
        Me.TextBox4.Name = "TextBox4"
        Me.TextBox4.ReadOnly = True
        Me.TextBox4.Size = New System.Drawing.Size(272, 21)
        Me.TextBox4.TabIndex = 2
        Me.TextBox4.Text = ""
        '
        'Label3
        '
        Me.Label3.ForeColor = System.Drawing.Color.FromArgb(CType(0, Byte), CType(0, Byte), CType(64, Byte))
        Me.Label3.Location = New System.Drawing.Point(8, 120)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(88, 21)
        Me.Label3.TabIndex = 8
        Me.Label3.Text = "总借阅书本数"
        Me.Label3.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'TextBox3
        '
        Me.TextBox3.BackColor = System.Drawing.Color.White
        Me.TextBox3.Location = New System.Drawing.Point(104, 56)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.ReadOnly = True
        Me.TextBox3.Size = New System.Drawing.Size(272, 21)
        Me.TextBox3.TabIndex = 1
        Me.TextBox3.Text = ""
        '
        'Label2
        '
        Me.Label2.ForeColor = System.Drawing.Color.FromArgb(CType(0, Byte), CType(0, Byte), CType(64, Byte))
        Me.Label2.Location = New System.Drawing.Point(8, 56)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(88, 21)
        Me.Label2.TabIndex = 6
        Me.Label2.Text = "读者类型"
        Me.Label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft
        '
        'TextBox2
        '
        Me.TextBox2.BackColor = System.Drawing.Color.White
        Me.TextBox2.Location = New System.Drawing.Point(104, 24)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.ReadOnly = True
        Me.TextBox2.Size = New System.Drawing.Size(272, 21)
        Me.TextBox2.TabIndex = 0
        Me.TextBox2.Text = ""
        '
        'Button1
        '
        Me.Button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.Button1.Location = New System.Drawing.Point(176, 56)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(64, 24)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "注册"
        '
        'Button2
        '
        Me.Button2.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.Button2.ForeColor = System.Drawing.Color.Black
        Me.Button2.Location = New System.Drawing.Point(248, 56)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(64, 24)
        Me.Button2.TabIndex = 2
        Me.Button2.Text = "注销"
        '
        'frmReaders
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(424, 312)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.GroupBox1})
        Me.Name = "frmReaders"
        Me.Text = "读者管理"
        Me.GroupBox1.ResumeLayout(False)
        Me.GroupBox2.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
    Dim id As String
    Dim sqlstr As String
    Private Sub Button1_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button1.Click
        id = Trim(Me.TextBox1.Text)
        If id <> "" Then
            sqlstr = "UPDATE StudentInfo " & _
            "SET Regedit='1' WHERE ID='" & id & "'"
            UpdateDataBase(sqlstr)
            DisplayData(GetStdInfo())
        End If
    End Sub

    Public Function GetStdInfo() As StudentInfo
        id = Trim(Me.TextBox1.Text)
        If id <> "" Then
            Dim ds As New DataSet()
            ds.Clear()
            sqlstr = "SELECT * FROM  StudentInfo  WHERE ID='" & id & "'"
            ds = GetDataFromDB(sqlstr)
            Dim stdinfo As New StudentInfo()
            If ds.Tables(0).Rows.Count > 0 Then
                stdinfo.Name = ds.Tables(0).Rows(0)("Name")
                stdinfo.Regedit = ds.Tables(0).Rows(0)("Regedit")
                stdinfo.LogOut = ds.Tables(0).Rows(0)("LogOut")
                stdinfo.ReaderStyle = ds.Tables(0).Rows(0)("ReaderStyle")
                stdinfo.LendTimes = ds.Tables(0).Rows(0)("LendTimes")
                stdinfo.LendBooks = ds.Tables(0).Rows(0)("LendBooks")
                stdinfo.FineSum = ds.Tables(0).Rows(0)("FineSum")
                Return stdinfo
            End If
        End If
    End Function

    Public Sub DisplayData(ByVal stdinfo As StudentInfo)
        Me.TextBox2.Text = stdinfo.Name
        Me.TextBox3.Text = stdinfo.ReaderStyle
        Me.TextBox4.Text = stdinfo.LendTimes
        Me.TextBox5.Text = stdinfo.LendBooks
        Me.TextBox6.Text = stdinfo.FineSum
        Me.CheckBox1.Checked = stdinfo.Regedit
        Me.CheckBox2.Checked = stdinfo.LogOut
    End Sub

    Private Sub TextBox1_KeyPress(ByVal sender As Object, _
    ByVal e As System.Windows.Forms.KeyPressEventArgs) _
    Handles TextBox1.KeyPress
        If e.KeyChar = Chr(13) Then
            DisplayData(GetStdInfo())
        End If
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button2.Click
        id = Trim(Me.TextBox1.Text)
        If id <> "" Then
            sqlstr = "UPDATE StudentInfo SET LogOut='1' WHERE ID='" & id & "'"
            UpdateDataBase(sqlstr)
            DisplayData(GetStdInfo())
        End If
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button3.Click
        id = Trim(Me.TextBox1.Text)
        If id <> "" Then
            sqlstr = "UPDATE StudentInfo SET " & _
            "FineSum='0',LogOut='0' WHERE ID='" & id & "'"
            UpdateDataBase(sqlstr)
            DisplayData(GetStdInfo())
        End If
    End Sub
End Class