clsbuyer.cls

这是一个利用VB编写的中小企业ERP。功能比较全

Version 1.0 Class
Begin
MultiUse = -1 'True
Persistable = 0 'NotPersistable
DataBindingBehavior = 0 'vbNone
DataSourceBehavior = 0 'vbNone
MTSTransactionMode = 0 'NotAnMTSObject
End
Attribute VB_Name = "ClsBuyer"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Public BuyerID As String
Public BuyerName As String
Public Department As String

Public Sub Init()
    BuyerID = ""
    BuyerName = ""
    Department = ""
End Sub


Public Sub Insert()
    
    '连接数据库
    MyDB.openDB
    
    '设置Insert语句
    SqlStmt = "INSERT INTO Buyer (BuyerID, BuyerName,Department)" _
               + " Values('" + Trim(BuyerID) + "','" + Trim(BuyerName) + "','" + Trim(Department) + "')"
    
    '执行SQL语句
    Dim Isexe As Boolean
    Dim rsBuyer As ADODB.Recordset
    Isexe = MyDB.exeSql(SqlStmt, rsBuyer, True)
    
    '断开与数据库的连接
    MyDB.closeDB
End Sub


Public Sub Update(ByVal OriBuyerID As String)
    
    '连接数据库
    MyDB.openDB
    
    '设置Update语句
    SqlStmt = "Update Buyer Set BuyerID='" + Trim(BuyerID) + "',BuyerName='" + Trim(BuyerName) + "',Department='" + Trim(Department) + "' WHERE BuyerID='" + Trim(OriBuyerID) + "'"
    
    '执行SQL语句
    Dim Isexe As Boolean
    Dim rsBuyer As ADODB.Recordset
    Isexe = MyDB.exeSql(SqlStmt, rsBuyer, True)
    
    '断开与数据库的连接
    MyDB.closeDB
End Sub


Public Sub Delete(ByVal TempBuyerID As String)
    '连接数据库
    MyDB.openDB
    
    '设置Delete语句
    SqlStmt = "Delete FROM Buyer WHERE BuyerID='" + Trim(TempBuyerID) + "'"
    
    '执行SQL语句
    Dim Isexe As Boolean
    Dim rsBuyer As ADODB.Recordset
    Isexe = MyDB.exeSql(SqlStmt, rsBuyer, True)
    
    '断开与数据库的连接
    MyDB.closeDB
End Sub


Public Function In_DB(ByVal TempBuyerID As String) As Boolean
    '连接数据库
    MyDB.openDB
    
    '设置查询语句
    SqlStmt = "SELECT BuyerID FROM Buyer WHERE BuyerID='" + Trim(TempBuyerID) + "'"
    
    '执行SQL语句
    Dim Isexe As Boolean
    Dim rsBuyerID As ADODB.Recordset
    Isexe = MyDB.exeSql(SqlStmt, rsBuyerID, False)
    
    '判断是否存在
    If rsBuyerID.RecordCount <> 0 Then
        In_DB = True
    Else
        In_DB = False
    End If
    
    '断开与数据库的连接
    MyDB.closeDB
    
End Function