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📄 main.vb

📁 图书馆管理系统,是数据库的课程设计,报告里面包含了需求分析数据字典概念结构设计逻辑结构设计数据库物理设计数据库实施
💻 VB
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        Me.list_dy.Name = "list_dy"
        Me.list_dy.Size = New System.Drawing.Size(88, 20)
        Me.list_dy.TabIndex = 1
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(8, 13)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(72, 24)
        Me.Label1.TabIndex = 2
        Me.Label1.Text = "查询方式:"
        Me.Label1.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'list_condition
        '
        Me.list_condition.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList
        Me.list_condition.Items.AddRange(New Object() {"正序", "倒序"})
        Me.list_condition.Location = New System.Drawing.Point(216, 13)
        Me.list_condition.Name = "list_condition"
        Me.list_condition.Size = New System.Drawing.Size(88, 20)
        Me.list_condition.TabIndex = 2
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(168, 13)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(48, 24)
        Me.Label2.TabIndex = 4
        Me.Label2.Text = "条件:"
        Me.Label2.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'Timer1
        '
        Me.Timer1.Interval = 6000
        '
        'MainWinMenu
        '
        Me.MainWinMenu.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Menu_system, Me.Menu_condition, Me.Menu_boardctr, Me.Menu_bookinformation, Me.Menu_landinformation, Me.Menu_indinformation, Me.Menu_help})
        '
        'Menu_system
        '
        Me.Menu_system.Index = 0
        Me.Menu_system.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem5, Me.MenuItem6, Me.Menu_exit})
        Me.Menu_system.Text = "系统(&F)"
        '
        'MenuItem5
        '
        Me.MenuItem5.Index = 0
        Me.MenuItem5.Text = "最小化"
        '
        'MenuItem6
        '
        Me.MenuItem6.Index = 1
        Me.MenuItem6.Text = "-"
        '
        'Menu_exit
        '
        Me.Menu_exit.Index = 2
        Me.Menu_exit.Text = "退出(&X)"
        '
        'Menu_condition
        '
        Me.Menu_condition.Index = 1
        Me.Menu_condition.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Menu_bywhat, Me.Menu_bycondition})
        Me.Menu_condition.Shortcut = System.Windows.Forms.Shortcut.CtrlC
        Me.Menu_condition.Text = "查询条件(&C)"
        '
        'Menu_bywhat
        '
        Me.Menu_bywhat.Index = 0
        Me.Menu_bywhat.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Menu_byid, Me.Menu_bybookname, Me.Menu_byclassify, Me.Menu_byauthor, Me.Menu_byconcern, Me.Menu_byaddtime, Me.Menu_byamount, Me.Menu_byremain, Me.Menu_loandegree})
        Me.Menu_bywhat.Shortcut = System.Windows.Forms.Shortcut.CtrlB
        Me.Menu_bywhat.Text = "查询方式"
        '
        'Menu_byid
        '
        Me.Menu_byid.Index = 0
        Me.Menu_byid.Text = "编号"
        '
        'Menu_bybookname
        '
        Me.Menu_bybookname.Index = 1
        Me.Menu_bybookname.Text = "书名"
        '
        'Menu_byclassify
        '
        Me.Menu_byclassify.Index = 2
        Me.Menu_byclassify.Text = "分类"
        '
        'Menu_byauthor
        '
        Me.Menu_byauthor.Index = 3
        Me.Menu_byauthor.Text = "作者"
        '
        'Menu_byconcern
        '
        Me.Menu_byconcern.Index = 4
        Me.Menu_byconcern.Text = "出版社"
        '
        'Menu_byaddtime
        '
        Me.Menu_byaddtime.Index = 5
        Me.Menu_byaddtime.Text = "进馆时间"
        '
        'Menu_byamount
        '
        Me.Menu_byamount.Index = 6
        Me.Menu_byamount.Text = "总数量"
        '
        'Menu_byremain
        '
        Me.Menu_byremain.Index = 7
        Me.Menu_byremain.Text = "剩余数量"
        '
        'Menu_loandegree
        '
        Me.Menu_loandegree.Index = 8
        Me.Menu_loandegree.Text = "借阅次数"
        '
        'Menu_bycondition
        '
        Me.Menu_bycondition.Index = 1
        Me.Menu_bycondition.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Menu_byjust, Me.Menu_byantitone})
        Me.Menu_bycondition.Text = "条件"
        '
        'Menu_byjust
        '
        Me.Menu_byjust.Index = 0
        Me.Menu_byjust.Text = "正序"
        '
        'Menu_byantitone
        '
        Me.Menu_byantitone.Index = 1
        Me.Menu_byantitone.Text = "倒序"
        '
        'Menu_boardctr
        '
        Me.Menu_boardctr.Index = 2
        Me.Menu_boardctr.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Menu_stop})
        Me.Menu_boardctr.Text = "公告控制(&A)"
        '
        'Menu_stop
        '
        Me.Menu_stop.Index = 0
        Me.Menu_stop.Text = "停止"
        '
        'Menu_bookinformation
        '
        Me.Menu_bookinformation.Index = 3
        Me.Menu_bookinformation.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Menu_land})
        Me.Menu_bookinformation.Text = "图书信息(&B)"
        '
        'Menu_land
        '
        Me.Menu_land.Index = 0
        Me.Menu_land.Text = "借阅"
        '
        'Menu_landinformation
        '
        Me.Menu_landinformation.Index = 4
        Me.Menu_landinformation.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1, Me.MenuItem2, Me.MenuItem3, Me.MenuItem4, Me.Menu_details})
        Me.Menu_landinformation.Text = "借阅信息(&L)"
        '
        'MenuItem1
        '
        Me.MenuItem1.Index = 0
        Me.MenuItem1.Text = "全部"
        '
        'MenuItem2
        '
        Me.MenuItem2.Index = 1
        Me.MenuItem2.Text = "续借"
        '
        'MenuItem3
        '
        Me.MenuItem3.Index = 2
        Me.MenuItem3.Text = "归还"
        '
        'MenuItem4
        '
        Me.MenuItem4.Index = 3
        Me.MenuItem4.Text = "-"
        '
        'Menu_details
        '
        Me.Menu_details.Index = 4
        Me.Menu_details.Text = "详细资料"
        '
        'Menu_indinformation
        '
        Me.Menu_indinformation.Index = 5
        Me.Menu_indinformation.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Menu_hideinformation, Me.Menu_changepw})
        Me.Menu_indinformation.Text = "个人信息(&I)"
        '
        'Menu_hideinformation
        '
        Me.Menu_hideinformation.Index = 0
        Me.Menu_hideinformation.Text = "隐藏信息"
        '
        'Menu_changepw
        '
        Me.Menu_changepw.Index = 1
        Me.Menu_changepw.Text = "更改密码"
        '
        'Menu_help
        '
        Me.Menu_help.Index = 6
        Me.Menu_help.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Menu_about})
        Me.Menu_help.Text = "帮助(&H)"
        '
        'Menu_about
        '
        Me.Menu_about.Index = 0
        Me.Menu_about.Text = "关于"
        '
        'NotifyIcon1
        '
        Me.NotifyIcon1.ContextMenu = Me.ContextMenu1
        Me.NotifyIcon1.Icon = CType(resources.GetObject("NotifyIcon1.Icon"), System.Drawing.Icon)
        Me.NotifyIcon1.Text = "图书馆管理系统V1.0"
        '
        'ContextMenu1
        '
        Me.ContextMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem8, Me.MenuItem7})
        '
        'MenuItem8
        '
        Me.MenuItem8.Index = 0
        Me.MenuItem8.Text = "显示界面"
        '
        'MenuItem7
        '
        Me.MenuItem7.Index = 1
        Me.MenuItem7.Text = "退出"
        '
        'win_main
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(1014, 697)
        Me.Controls.Add(Me.GroupBox6)
        Me.Controls.Add(Me.GroupBox5)
        Me.Controls.Add(Me.GroupBox4)
        Me.Controls.Add(Me.list_book)
        Me.Controls.Add(Me.GroupBox3)
        Me.Controls.Add(Me.StatusBar1)
        Me.Controls.Add(Me.GroupBox2)
        Me.Controls.Add(Me.GroupBox1)
        Me.HelpButton = True
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.Menu = Me.MainWinMenu
        Me.Name = "win_main"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "图书馆信息管理系统"
        Me.WindowState = System.Windows.Forms.FormWindowState.Maximized
        Me.GroupBox6.ResumeLayout(False)
        Me.GroupBox5.ResumeLayout(False)
        Me.GroupBox4.ResumeLayout(False)
        Me.GroupBox3.ResumeLayout(False)
        Me.GroupBox2.ResumeLayout(False)
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region


    Private Sub win_main_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        stuID = login.loginid '学生自动编号

        ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''读取图书馆基本配置
        sqlstr = "SELECT * FROM libraryinfo"
        Try
            objDS = GetData(sqlstr)
            canland = objDS.Tables(0).Rows(0)("canland").ToString
            canlandnum = objDS.Tables(0).Rows(0)("canlandnum").ToString
            canlanddays = objDS.Tables(0).Rows(0)("canlanddays").ToString
            canreland = objDS.Tables(0).Rows(0)("canreland").ToString
            boardflash = objDS.Tables(0).Rows(0)("boardreflash").ToString
        Catch
            MsgBox("图书馆基本配置错误。将恢复原始设置。", MsgBoxStyle.Information + MsgBoxStyle.OKOnly, "配置错误")
            canland = 1
            canlandnum = 5 '
            canlanddays = 60
            canreland = 5
            boardflash = 6000
        End Try

        ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''读取图书信息
        sqlstr = "SELECT * FROM bookinfo where display=0 ORDER BY id"
        Try
            objDS = GetData(sqlstr)
            For i = 0 To objDS.Tables(0).Rows.Count - 1
                Call ShowData(i)
            Next
        Catch
            MsgBox("图书读取错误。", MsgBoxStyle.Information + MsgBoxStyle.OKOnly, "错误")

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