1、畢業設計_圖書管理系統 一、數據庫設計數據庫設CREATEDATABASETSGL GO USETSGL GO CREATETABLEBmanage( bId varchar(10)PRIMARYKEY,bNamevarchar(50),-添加圖書-圖書編號-書名bNumbervarchar(10),-書數目) GO bSorevarchar(50)-分類CREATETABLEMadmin( mNamevarchar(10)PRIMARYKEY,mPwdvarchar(25),mAgevarchar(8),mSexvarchar(4),mNumbervarchar(15),mrolevarch

2、ar(8) GO -圖書員管理-圖書管理員姓名-圖書管理員密碼-圖書管理員年齡-圖書管理員性別-圖書管理員電話-圖書管理員角色CREATETABLEReader( rSnovarchar(10)PRIMARYKEY,rNamevarchar(10),rPwdvarchar(25),rAgevarchar(8),rSexvarchar(4),rStatevarchar(8),rNumbervarchar(15),rEmailvarchar(25),-讀者信息表reader -讀者號-姓名-密碼-年齡-性別-狀態-電話號碼-電子郵件rAdressvarChar(50),-地址) GO rGrade

3、varChar(15),rClassvarchar(15),rRolevarchar(8)-年級-班級-角色CREATETABLERrecord( rSnovarchar(10)PRIMARYKEY,rNamevarChar(10),bId varchar(10),bNamevarChar(50),bTimevarchar(10),bBackTimevarchar(10) GO CREATETABLESysSet( rRolevarchar(8)PRIMARYKEY,rStatevarchar(8),Finefloat(25),rDayvarchar(8)-讀者編號學號-讀者姓名-圖書編號-圖

4、書名稱-借書時間-還書時間-讀者角色-讀者可借書數-過期罰款設置-可借書天數)二、界面截圖及說明1)登錄窗口（實現管理員和館長的登陸） 2)管理員窗口 3)館長窗口 4)關于窗口 5)新增圖書窗口 6)新增管理員、查找及修改窗口 7)新增讀者、查找及修改窗口 8)圖書的查找及修改窗口 9)借閱窗口 10)系統設置窗口 三、主要代碼主要代1)登錄窗口（實現管理員和館長的登陸） 登陸檢查： using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data;

5、using prjTSGL.ClassLib.DBAccess; namespace prjTSGL.ClassLib.Logic classclsLoginCheck publicstaticDataTable CheckLogin(string UserId, string PWD) string SQLstmt = "select mName,mPwd,mRole from Madmin where mName= '" + UserId + "'and mPwd= '" + PWD + "'" D

6、ataTable dt = clsGlobalVar.GetDataTable(SQLstmt); return dt; 登陸： using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using prjTSGL.ClassLib.Logic; namespace prjTSGL.TSG

7、L_UI publicpartialclassfrmLogin : Form public frmLogin() InitializeComponent(); privatevoid btnLogin_Click(object sender, EventArgs e) string strUserID = loginid.Text.Trim(); string strPWD = loginpwd.Text.Trim(); string type = "" try DataTable dt = clsLoginCheck.CheckLogin(strUserID, strPW

8、D); if (dt.Rows.Count = 0) MessageBox.Show("登陸失敗，請重新輸入!"); loginpwd.Focus(); return; else type = dt.Rows0"mRole".ToString().Trim(); if (cboLT.Text.Trim()="館長" ) if (type = "館長") this.Hide(); frmManager objManager = newfrmManager(); objManager.Show(); else Mess

9、ageBox.Show("您沒有權限！"); loginpwd.Focus(); return; else if (type ="管理員") this.Hide(); frmAdmin objAdmin = newfrmAdmin(); objAdmin.Show(); else MessageBox.Show("您沒有權限！"); loginpwd.Focus(); return; catch (Exception ex) throw ex; privatevoid btnExit_Click(object sender, Even

10、tArgs e) this.Close(); 2)管理員窗口 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace prjTSGL.TSGL_UI publicpartialclassfrmAdmin : Form public frmAdmin() Initial

11、izeComponent(); privatevoid ShowForm(Form frmToShow) this.Cursor = Cursors.WaitCursor; foreach (Form frmChild inthis.MdiChildren) if (frmChild.GetType() = frmToShow.GetType() frmToShow.Dispose(); frmChild.Activate(); this.Cursor = Cursors.Default; return; frmToShow.MdiParent = this; frmToShow.Show()

12、; this.Cursor = Cursors.Default; privatevoid 讀者信息修改ToolStripMenuItem_Click(object sender, EventArgs e) ShowForm(newfrmUpdateReader(); privatevoid 新增圖書ToolStripMenuItem_Click(object sender, EventArgs e) ShowForm(newfrmAddNewBook(); privatevoid 圖書的查找和修改ToolStripMenuItem_Click(object sender, EventArgs

13、e) ShowForm(newfrmUpdateBook(); privatevoid 流通管理ToolStripMenuItem_Click(object sender, EventArgs e) ShowForm(newfrmBorrow(); privatevoid 幫助ToolStripMenuItem_Click(object sender, EventArgs e) ShowForm(newfrmAbout(); privatevoid 退出ToolStripMenuItem_Click(object sender, EventArgs e) Application.Exit();

14、 3)館長窗口 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace prjTSGL.TSGL_UI publicpartialclassfrmManager : Form public frmManager() InitializeComponent(); pri

15、vatevoid ShowForm(Form frmToShow) this.Cursor = Cursors.WaitCursor; foreach (Form frmChild inthis.MdiChildren) if (frmChild.GetType() = frmToShow.GetType() frmToShow.Dispose(); frmChild.Activate(); this.Cursor = Cursors.Default; return; frmToShow.MdiParent = this; frmToShow.Show(); this.Cursor = Cur

16、sors.Default; privatevoid frmManager_FormClosed(object sender, FormClosedEventArgs e) Application.Exit(); privatevoid 管理員信息管理ToolStripMenuItem_Click_1(object sender, EventArgs e) ShowForm(newfrmSelectAdmin(); privatevoid 系統設置ToolStripMenuItem_Click_1(object sender, EventArgs e) ShowForm(newfrmSys();

17、 privatevoid 關于ToolStripMenuItem_Click(object sender, EventArgs e) ShowForm(newfrmAbout(); privatevoid 退出ToolStripMenuItem_Click_1(object sender, EventArgs e) Application.Exit(); 4)關于窗口 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawi

18、ng; using System.Linq; using System.Text; using System.Windows.Forms; namespace prjTSGL.TSGL_UI publicpartialclassfrmAbout : Form public frmAbout() InitializeComponent(); privatevoid button1_Click(object sender, EventArgs e) this.Close(); 5)新增圖書窗口 using System; using System.Collections.Generic; usin

19、g System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using prjTSGL.ClassLib.DBAccess; namespace prjTSGL.TSGL_UI publicpartialclassfrmAddNewBook : Form public frmAddNewBook() InitializeComponent(); privatebool ValidatInput

20、() if (textBox1.Text = "") MessageBox.Show("請輸入圖書編號！", "輸入提示", MessageBoxButtons.OK, MessageBoxIcon.Information); textBox1.Focus(); returnfalse; if (textBox2.Text = "") MessageBox.Show("請輸入圖書名稱！", "輸入提示", MessageBoxButtons.OK, MessageBoxIco

21、n.Information); textBox2.Focus(); returnfalse; if (textBox3.Text = "") MessageBox.Show("請輸入圖書數目！", "輸入提示", MessageBoxButtons.OK, MessageBoxIcon.Information); textBox3.Focus(); returnfalse; if (comboBox1.Text = "") MessageBox.Show("請選擇圖書類別！", "輸入

22、提示", MessageBoxButtons.OK, MessageBoxIcon.Information); textBox3.Focus(); returnfalse; returntrue; privatevoid btnOK_Click_1(object sender, EventArgs e) if (ValidatInput() /string id = textBox1.Text; /string name = textBox2.Text; /string Number = textBox3.Text; /string sore = comboBox1.Text; st

23、ring sql = "SELECT *FROM Bmanage WHERE bId='" + textBox1.Text.Trim() + " '" DataTable dt = clsGlobalVar.GetDataTable(sql); if (dt.Rows.Count = 0) string SQL = "insert into Bmanage(bId,bName,bNumber,bSore)values('" + textBox1.Text.Trim() + " ','&

24、quot; + textBox2.Text.Trim() + " ','" + textBox3.Text.Trim() + " ','"+ comboBox1.Text.Trim() + " ')" try bool result = clsGlobalVar.ExecSQL(SQL); if (result) MessageBox.Show("添加成功！", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.In

25、formation); textBox1.Text = "" textBox2.Text = "" textBox3.Text = "" comboBox1.Text = "" textBox1.Focus(); else MessageBox.Show("添加失敗！", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Error); catch (Exception ex) MessageBox.Show("操作數據庫出錯

26、！", "操作演示", MessageBoxButtons.OK, MessageBoxIcon.Error); Console.WriteLine(ex.Message); else MessageBox.Show("圖書編號已存在！", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Information); textBox1.Focus(); privatevoid btnCancel_Click(object sender, EventArgs e) this.Close(

27、); 6)新增管理員、查找及修改窗口 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using prjTSGL.ClassLib.DBAccess; namespace prjTSGL.TSGL_UI publicpartialclassfrmSelectAdmin : For

28、m public frmSelectAdmin() InitializeComponent(); string name = "" string SQL = "" string PWD = "" string Age = "" string Sex = "" string Tel = "" string Role = "" privatevoid SelectAdmin() string strfilter = "" string SQ

29、L = "select mName AS 用戶名,mPwd AS 密碼,mAge AS 年齡 ,mSex AS 性別,mNumber AS 電話,mRole AS 角色 from Madmin " if (txtName.Text = "") strfilter = "" else strfilter = "where mName='" + txtName.Text.Trim() + "'" try DataTable dt = clsGlobalVar.GetDataTable

30、(SQL + strfilter); int intIndex = 0; if (dt.Rows.Count = 0) MessageBox.Show("抱歉，沒有您要找的用戶！", "結果提示", MessageBoxButtons.OK, MessageBoxIcon.Information); txtName.Text = "" txtPWD.Text = "" txtAge.Text = "" cboSex.Text = "" txtTel.Text = "

31、" cboRole.Text = "" else LV.Columns.Clear(); LV.Items.Clear(); LV.Columns.Add("序號", 100, HorizontalAlignment.Center); for (int intJ = 0; intJ < dt.Columns.Count; intJ+) LV.Columns.Add(dt.ColumnsintJ.ColumnName, 200, HorizontalAlignment.Center); for (int intI = 0; intI <

32、; dt.Rows.Count; intI+) intIndex = intI + 1; LV.Items.Add(intIndex.ToString(); LV.ItemsintI.SubItems.Add(dt.RowsintI"用戶名".ToString().Trim(); LV.ItemsintI.SubItems.Add(dt.RowsintI"密碼".ToString().Trim(); LV.ItemsintI.SubItems.Add(dt.RowsintI"年齡".ToString().Trim(); LV.Item

33、sintI.SubItems.Add(dt.RowsintI"性別".ToString().Trim(); LV.ItemsintI.SubItems.Add(dt.RowsintI"電話".ToString().Trim(); LV.ItemsintI.SubItems.Add(dt.RowsintI"角色".ToString().Trim(); /連接數據庫，將數據讀取出放入MadminData catch (Exception ex) MessageBox.Show("查詢數據庫出錯！", "提示&

34、quot;, MessageBoxButtons.OK, MessageBoxIcon.Error); Console.WriteLine(ex.Message); privatevoid btnSearch_Click(object sender, EventArgs e) SelectAdmin();/調用函數 /實現修改功能 privatevoid btnUpdata_Click(object sender, EventArgs e) if (txtName.Text = "" | cboRole.Text="") MessageBox.Show(

35、"請選擇要修改的用戶!"); else SQL = "UPDATE Madmin SET mName='" + txtName.Text.Trim() + "',mPwd='" + txtPWD.Text.Trim() + "',mAge='" + txtAge.Text.Trim() + "',mSex='" + cboSex.Text.Trim() + "',mNumber='" + txtTel.T

36、ext.Trim() + "',mRole='" + cboRole.Text.Trim() + "' where mName='" + name + "'AND mPwd='" + PWD + "'AND mAge='" + Age + "'AND mSex='" + Sex + "'AND mNumber='" + Tel + "'AND mRole='

37、;" + Role + "'" try bool result = clsGlobalVar.ExecSQL(SQL); if (result) /txtName.Text = "" txtPWD.Text = "" txtAge.Text = "" cboSex.Text = "" txtTel.Text = "" cboRole.Text = "" MessageBox.Show("修改已成功"); SelectA

38、dmin(); else MessageBox.Show("更新失敗！", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Error); catch (Exception ex) MessageBox.Show("操作數據庫出錯！", "操作演示", MessageBoxButtons.OK, MessageBoxIcon.Error); Console.WriteLine(ex.Message); privatevoid btnExit_Click(object sen

39、der, EventArgs e) this.Close(); privatevoid LV_SelectedIndexChanged_1(object sender, EventArgs e) txtName.Text = LV.FocusedItem.SubItems1.Text.Trim(); txtPWD.Text = LV.FocusedItem.SubItems2.Text.Trim(); txtAge.Text = LV.FocusedItem.SubItems3.Text.Trim(); cboSex.Text = LV.FocusedItem.SubItems4.Text.T

40、rim(); txtTel.Text = LV.FocusedItem.SubItems5.Text.Trim(); cboRole.Text = LV.FocusedItem.SubItems6.Text.Trim(); name = LV.FocusedItem.SubItems1.Text.Trim(); PWD = LV.FocusedItem.SubItems2.Text.Trim(); Age = LV.FocusedItem.SubItems3.Text.Trim(); Sex = LV.FocusedItem.SubItems4.Text.Trim(); Tel = LV.Fo

41、cusedItem.SubItems5.Text.Trim(); Role = LV.FocusedItem.SubItems6.Text.Trim(); privatevoid frmSelectAdmin_Load(object sender, EventArgs e) this.btnSearch_Click(sender, e); privatevoid btnAdd_Click(object sender, EventArgs e) if (txtName.Text = "" | txtPWD.Text = "" | txtAge.Text =

42、 "" |cboSex.Text = "" | txtTel.Text="" |cboRole.Text = "") MessageBox.Show("請至少輸入用戶名，密碼和角色!"); else SQL = "SELECT mName,mPwd,mAge ,mSex,mNumber,mRole from Madmin WHERE mName='" + txtName.Text.Trim() + "' " DataTable dt = c

43、lsGlobalVar.GetDataTable(SQL); if (dt.Rows.Count = 0) SQL = "INSERT INTO Madmin VALUES ('" + txtName.Text.Trim() + "','" + txtPWD.Text.Trim() + "','" + txtAge.Text.Trim() + "','" + cboSex.Text.Trim() + "','" + txtTel.Text.Trim() + "','" + cboRole.Text.Trim() + "&#