網(wǎng)上圖書管理系統(tǒng)方案(參考版)
2025-05-13 18:09本頁面
【正文】 拼一個春夏秋冬！贏一個無悔人生！早安！—————獻給所有努力的人.。不奮斗就是每天都很容易，可一年一年越來越難。是狼就要練好牙，是羊就要練好腿。解決數(shù)據(jù)庫的性能問題，可以從以下方面入手，檢查數(shù)據(jù)庫的配置，如緩沖池，排序堆等是否合理；檢查數(shù)據(jù)庫是否收集過統(tǒng)計信息，準確的統(tǒng)計信息對語句優(yōu)化起著重要的左右；對sql語句進行優(yōu)化；查看是否有系統(tǒng)資源。各個模塊單獨編寫，最后集成到一個系統(tǒng)中。在進行登錄、查詢時，先將數(shù)據(jù)庫附加好了，就可運行。database=bookshopPrivate Sub Command1_Click()Unload Form6End SubPrivate Sub Form_Load()sql = select ,書名,新舊,書店名稱,原價,會員價,svip價,簡介,熱銷度 From TABLE1, shop where =Set Con = New With Con.ConnectionString = constr.OpenEnd WithSet rs = New sql, Con, adOpenKeyset, adLockOptimisticSet = rsEnd SubPrivate Sub m1_Click()End Sub硬件接口本系統(tǒng)可在一般的windows X86操作系統(tǒng)上運行。Private Con As Private rs As Private Const constr = driver={sql server}。 39。 amp。 %39。% amp。server=(local)。為用戶提供圖書查詢功能。server=(local)。 \。Data Source= amp。End IfEnd SelectEnd SubPrivate Sub Command2_Click()MsgBox 刪除成功！Unload Form8End SubPrivate Sub Form_Load() 新 舊 0001 0002 0003 0004Set Cnn = New 39。End IfCase 1:If Not Then = (編號) = (書名) = (新舊) = (出版日期) = (所在書店) = (原價) = (會員價) = (svip價)ElseEnd IfCase 2:If Not Then = (編號) = (書名) = (新舊) = (出版日期) = (所在書店) = (原價) = (會員價) = (svip價)ElseEnd IfCase 3:39。Dim Cnn As Dim Rst As Dim sql As StringPrivate Sub Command1_Click(Index As Integer)Select Case IndexCase 0:39。刪除圖書信息。server=(local)。 \。Data Source= amp。End IfEnd SelectEnd SubPrivate Sub Command2_Click()(編號) = (書名) = (新舊) = (出版日期) = (所在書店) = (原價) = (會員價) = (svip價) = MsgBox 修改成功！Unload Form9End SubPrivate Sub Form_Load() 新 舊 0001 0002 0003 0004Set Cnn = New 39。End IfCase 1:If Not Then = (編號) = (書名) = (新舊) = (出版日期) = (所在書店) = (原價) = (會員價) = (svip價)ElseEnd IfCase 2:If Not Then = (編號) = (書名) = (新舊) = (出版日期) = (所在書店) = (原價) = (會員價) = (svip價)ElseEnd IfCase 3:39。Dim Cnn As Dim Rst As Dim sql As StringPrivate Sub Combo2_Change()End SubPrivate Sub Command1_Click(Index As Integer)Select Case IndexCase 0:39。修改圖書信息。server=(local)。 \。Data Source= amp。Dim Cnn As Dim Rst As Dim sql As StringPrivate Sub Command2_Click()(編號) = (書名) = (新舊) = (出版日期) = (所在書店) = (原價) = (會員價) = (svip價) = (熱銷度) = (CInt() + CInt() + CInt()) \ 3MsgBox 插入成功！Unload Form7End SubPrivate Sub Form_Load() 新 舊 0001 0002 0003 0004Set Cnn = New 39。：。ElseMsgBox 非法用戶！End IfEnd SubPrivate Sub Command2_Click()Unload MeEnd SubPrivate Sub Form_Load()identify = 1End SubPrivate Sub txtname_Change()End Sub：系統(tǒng)操作平臺的所有功能，通過主窗體連接起來。 Set Con = New With Con.ConnectionString = constr.OpenEnd WithSet rs = New sql, Con, adOpenKeyset, adLockOptimisticIf ( 0) Thenidentity = CInt((身份))Unload MeSelect Case identityCase 0Unload Form1Case 1Unload Form1Case 2 = FalseUnload Form1End Select39。 amp。and 密碼=39。 amp。database=bookshopPrivate Sub Command1_Click()sql = select 身份 from TABLE4 where 用戶名=39。Private Con As Private rs As Private Const constr = driver={sql server}。書店書數(shù) 部分實現(xiàn)時的數(shù)據(jù)字典設計 ：table1（圖書表）字段名稱字段類型字段長度說明功能備注編號Nvarchar6圖書名char10新舊char2出版日期Datatime8所在書店Char20原價Int4會員價Int4Svip價Int4（管理員用戶表
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