jian_frm.frm

车次查询－输入要查询的车次既可查询车次所有的停靠站 站点查询－输入一个站点

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form jian_frm 
   BackColor       =   &H00400000&
   Caption         =   "吉安市公交车查询系统"
   ClientHeight    =   4515
   ClientLeft      =   5310
   ClientTop       =   3405
   ClientWidth     =   5010
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   4515
   ScaleWidth      =   5010
   Begin MSAdodcLib.Adodc ado 
      Height          =   330
      Left            =   2640
      Top             =   3960
      Visible         =   0   'False
      Width           =   1455
      _ExtentX        =   2566
      _ExtentY        =   582
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   3
      LockType        =   3
      CommandType     =   8
      CursorOptions   =   0
      CacheSize       =   50
      MaxRecords      =   0
      BOFAction       =   0
      EOFAction       =   0
      ConnectStringType=   1
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   ""
      OLEDBString     =   ""
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   ""
      Caption         =   ""
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      _Version        =   393216
   End
   Begin VB.TextBox Text1 
      BackColor       =   &H00C0E0FF&
      ForeColor       =   &H000000FF&
      Height          =   2055
      Left            =   2640
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   6
      Top             =   1560
      Width           =   2175
   End
   Begin VB.CommandButton Command1 
      Caption         =   "查询"
      Height          =   375
      Left            =   480
      TabIndex        =   4
      Top             =   2520
      Width           =   1335
   End
   Begin VB.ComboBox Combo1 
      BackColor       =   &H00C0E0FF&
      ForeColor       =   &H000000FF&
      Height          =   300
      ItemData        =   "jian_frm.frx":0000
      Left            =   240
      List            =   "jian_frm.frx":0013
      Sorted          =   -1  'True
      TabIndex        =   3
      Top             =   1680
      Width           =   1935
   End
   Begin VB.Frame Frame2 
      BackColor       =   &H00FFC0C0&
      Height          =   2895
      Left            =   2520
      TabIndex        =   1
      Top             =   960
      Width           =   2415
      Begin VB.Label Label3 
         BackStyle       =   0  'Transparent
         Caption         =   "停靠站"
         Height          =   495
         Left            =   240
         TabIndex        =   7
         Top             =   360
         Width           =   1455
      End
   End
   Begin VB.Frame Frame1 
      BackColor       =   &H00FFC0C0&
      Height          =   2895
      Left            =   120
      TabIndex        =   0
      Top             =   960
      Width           =   2295
      Begin VB.Label Label2 
         BackStyle       =   0  'Transparent
         Caption         =   "车号："
         Height          =   375
         Left            =   480
         TabIndex        =   5
         Top             =   360
         Width           =   1455
      End
   End
   Begin VB.Label Label1 
      BackColor       =   &H00404040&
      BorderStyle     =   1  'Fixed Single
      Caption         =   "吉安市公交车查询系统"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00FFFFFF&
      Height          =   495
      Left            =   1200
      TabIndex        =   2
      Top             =   240
      Width           =   2895
   End
End
Attribute VB_Name = "jian_frm"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False


Private Sub Command1_Click()
  '看是否选择车号
  If Combo1.Text = "" Then
    MsgBox "请你选择车号！", 16, "提示"
    Exit Sub
  End If
    
  Ado.Recordset.Close
  Ado.Recordset.Open "select * from jian where bus_num='" + Combo1.Text + " '"
  '看你输入的车号是否已经存在
  If Ado.Recordset.EOF Then
      MsgBox "你所输入的车号还没登记"
  Else
      Text1.Text = Ado.Recordset.Fields("bus_add").value
  End If
       Command1.Enabled = True
End Sub

Private Sub Form_Load()
   '采用ADO控件的方法连接数据库中的`JIAN表
    Ado.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=db1.mdb;Persist Security Info=False"
    Ado.CommandType = adCmdText
    Ado.RecordSource = "select * from jian"
    Ado.Refresh
   
    For a = 0 To Ado.Recordset.RecordCount - 1
      Ado.Recordset.MoveNext
    Next
End Sub