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圖書管理系統(tǒng)源碼(C#版)

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1、登錄界面: using System; using System。Collections。Generic; using System.ComponentModel; using System.Data; using System。Drawing; using System.Text; using System。Windows.Forms; using System。Data。SqlClient; namespace book { public partial class login : Form { public string pass

2、word; //用來存儲密碼 public login() { InitializeComponent(); } private void button2_Click(object sender, EventArgs e) { Application。Exit(); } private bool yanzhengshuru() { password = textBox3。Text; i

3、f (Typename.Text.Trim() == ””) { MessageBox.Show("請選擇登錄類型", "登錄提示", MessageBoxButtons.OK, MessageBoxIcon.Information); Typename.Focus(); return false; } else if (loginid。Text.Trim() == "”) {

4、 MessageBox.Show(”請輸入用戶名", ”登錄提示”, MessageBoxButtons。OK, MessageBoxIcon。Information); loginid.Focus(); return false; } else if (password == ”") { MessageBox.Show("請輸入密碼", ”登錄提示", MessageBoxButtons.OK, MessageBo

5、xIcon。Information); textBox3。Focus(); return false; } else { return true; } } private void button1_Click(object sender, EventArgs e) { userhelper.adminid= loginid.T

6、ext; //用戶賬號 password = textBox3.Text;//用戶密碼 if (yanzhengshuru()) { if (Typename.Text.Trim() == "管理員”) { string sql = string.Format("Select count(*) from admin where adminId=’{0}’ and adminpass=’{1}'”, loginid。Text, p

7、assword); try { SqlCommand command = new SqlCommand(sql, Dbhelper.connection); Dbhelper.connection。Open(); int count = (int)command.ExecuteScalar(); if (count 〈 1)

8、 { MessageBox.Show("用戶或密碼不存在!”); //result = false; } else { admin admin = new admin(); admin.S

9、how(); } } catch (Exception ex) { MessageBox。Show("操作數(shù)據庫出錯!”); Console。WriteLine(ex.Message); } finally

10、 { Dbhelper。connection.Close(); } } if (Typename.Text。Trim() == "借閱者") { userhelper。readerid =Convert .ToString (loginid。Text); string sql = string。Format(”Select count(

11、*) from reader where readerId=’{0}’ and readerpass='{1}’", userhelper.readerid,textBox3。Text); try { // 創(chuàng)建 Command 對象 SqlCommand command = new SqlCommand(sql, Dbhelper.connection); // 打開數(shù)據庫連接

12、 Dbhelper。connection.Open(); // 驗證是否為合法用戶 int count = (int)command.ExecuteScalar(); if (count 〈 1) { MessageBox.Show(”用戶或密碼不存在!"); //result = fa

13、lse; } else { reader reader = new reader(); reader.Show(); } } catch (Exception ex)

14、 { MessageBox。Show(”操作數(shù)據庫出錯!"); Console.WriteLine(ex.Message); //result = false; } finally { // 關閉數(shù)據庫連接 Dbhe

15、lper.connection.Close(); } } } } private void login_Load(object sender, EventArgs e) { } } }讀者界面; using System; using System.Collections。Generic; using System。ComponentModel; using System。Data; using System。Drawing; us

16、ing System.Text; using System.Windows。Forms; using System.Data。Sql; using System.Data。SqlClient; namespace book { public partial class reader : Form { public reader() { InitializeComponent(); } private void button3_Click(object sender, EventA

17、rgs e) { string id =Convert.ToString (textBox1。Text); if (id!=userhelper。readerid) { MessageBox.Show(”輸入賬號與登陸賬號不相同,請重新輸入",”提示",MessageBoxButtons。OK,MessageBoxIcon。Warning); textBox1.Text = ””; textBox

18、1。Focus(); } else try { string sql = string.Format("update reader set islost=’{0}’where readerid=’{1}'”, '是',id); Dbhelper。connection。Open(); SqlCommand command = new SqlComman

19、d(sql,Dbhelper.connection); int result = command。ExecuteNonQuery(); if (result 〈 1) { MessageBox.Show(”修改失敗”); } else MessageBox.Show("掛失成功”); }

20、 catch { MessageBox。Show("error”); } finally { Dbhelper.connection.Close(); } } private void toolStripButton3_Click(object sender, EventArgs e)

21、 { groupBox1.Visible = false; groupBox2.Visible = true; } private void toolStripButton4_Click(object sender, EventArgs e) { groupBox1.Visible = true; groupBox2。Visible = false; } private void button5_Click(object sen

22、der, EventArgs e) { textBox2.Text = ””; textBox4。Text = "”; textBox5。Text = ""; } private void Form1_Load(object sender, EventArgs e) { toolStrip1.Text = string.Format("學生:{0}”,userhelper.readerid); } private

23、 void button4_Click(object sender, EventArgs e) { string id =Convert。ToString (textBox2.Text); if (id!=userhelper.readerid) { MessageBox。Show("輸入賬號與登陸賬號不相同,請重新輸入”,"提示”,MessageBoxButtons.OK,MessageBoxIcon。Warning); text

24、Box1。Text = ""; textBox1。Focus(); } else if (textBox4.Text!=textBox5.Text) { MessageBox.Show (”兩次密碼輸入不同"); } else try { string sql = string。Format("update reader set readerp

25、ass='{0}’ where readerid=’{1}’", textBox4.Text,id); Dbhelper。connection。Open(); SqlCommand command = new SqlCommand(sql,Dbhelper。connection); int result = command.ExecuteNonQuery(); if (result 〈 1)

26、 { MessageBox.Show("修改失敗”); } else MessageBox。Show(”修改成功”); } catch { MessageBox.Show("error”); } finally {

27、 Dbhelper.connection。Close(); } } private void toolStripButton6_Click(object sender, EventArgs e) { addreader addreader = new addreader(); addreader = new addreader(); } private void toolStripButton1_Cl

28、ick(object sender, EventArgs e) { readsearchbook searchbook = new readsearchbook(); searchbook。Show(); } private void toolStripButton2_Click(object sender, EventArgs e) { borrow a = new borrow(); a.Show(); }

29、 private void toolStripButton5_Click(object sender, EventArgs e) { readerseacherinfo a = new readerseacherinfo(); a.Show(); } private void 圖書查詢ToolStripMenuItem1_Click(object sender, EventArgs e) { readsearchbook a = new readsear

30、chbook(); a。Show(); this.Close(); } private void 結束查詢ToolStripMenuItem_Click(object sender, EventArgs e) { borrow a = new borrow(); a。Show(); this。Close(); } private void 修改密碼ToolStripMenuItem_Click(object

31、 sender, EventArgs e) { groupBox1.Visible = false; groupBox2.Visible = true; } private void 掛失ToolStripMenuItem_Click(object sender, EventArgs e) { groupBox1.Visible = true; groupBox2。Visible = false; } priva

32、te void 退出ToolStripMenuItem_Click(object sender, EventArgs e) { this。Close(); } private void button2_Click(object sender, EventArgs e) { Application.Exit(); } } } 管理員界面; using System; using System.Collections。Generic; using Sys

33、tem。ComponentModel; using System。Data; using System.Drawing; using System。Text; using System.Windows.Forms; namespace book { public partial class admin : Form { public admin() { InitializeComponent(); } private void 退出ToolStripMenuItem

34、_Click(object sender, EventArgs e) { this。Close(); } private void admin_Load(object sender, EventArgs e) { toolStrip1。Text=string。Format ("管理員:{}登錄",userhelper.adminid); } private void toolStripButton4_Click(object sender, EventArgs e)//錄入學生信息

35、 { addreader addreader = new addreader(); addreader。Show(); this.Close(); } private void 借書信息ToolStripMenuItem_Click(object sender, EventArgs e) { adminborrow a = new adminborrow(); a.Show(); }

36、 private void 還書信息ToolStripMenuItem_Click(object sender, EventArgs e) { adminborrow a = new adminborrow(); a.Show(); } private void 添加圖書ToolStripMenuItem_Click(object sender, EventArgs e) { addbook a = new addbook();

37、 a。Show(); } private void 刪除圖書ToolStripMenuItem_Click(object sender, EventArgs e) { adminearchbook a = new adminearchbook(); a.Show(); } private void 查詢圖書ToolStripMenuItem_Click(object sender, EventArgs e) { admin

38、earchbook a = new adminearchbook(); a。Show(); } private void 查詢出版社信息ToolStripMenuItem_Click(object sender, EventArgs e) { publisher a = new publisher(); a。Show(); this。Close(); } private void 修改出版社信息Tool

39、StripMenuItem_Click(object sender, EventArgs e) { publisher a = new publisher(); a.Show(); this。Close(); } private void 查詢學生借閱信息ToolStripMenuItem_Click(object sender, EventArgs e) { adminborrow a = new adminborrow();

40、 a。Show(); } private void toolStripButton6_Click_1(object sender, EventArgs e)//借書信息 { booksborrow a = new booksborrow(); a。Show(); } private void 添加ToolStripMenuItem_Click(object sender, EventArgs e) { reader

41、info a = new readerinfo(); a.Show(); } private void 刪除ToolStripMenuItem_Click(object sender, EventArgs e) { deletereader a = new deletereader(); a.Show(); }}} 添加圖書信息界面: using System; using System。Collections。Generic; using Sys

42、tem。ComponentModel; using System.Data; using System。Drawing; using System。Text; using System。Windows.Forms; using System。Data.SqlClient; namespace book { public partial class addbook : Form { public addbook() { InitializeComponent(); } priv

43、ate void addbook_Load(object sender, EventArgs e) { try { string sql1 = ”select booktypename from booktype”; SqlCommand command = new SqlCommand(sql1, Dbhelper。connection); Dbhelper。connection。Open();

44、 SqlDataReader datareader = command.ExecuteReader(); string typename = ”"; while (datareader。Read()) { typename = (string)datareader[0]; comboBox2。Items。Add(typename); }

45、datareader.Close(); string sql2 = "select publishername from publisher”; SqlCommand command1 = new SqlCommand(sql2, Dbhelper。connection); //Dbhelper。connection。Open(); SqlDataReader datareader1 = command1。ExecuteReader(); string

46、 publishername = ""; while (datareader1。Read()) { publishername = (string)datareader1[0]; //MessageBox.Show(publishername); comboBox1.Items.Add(publishername); } datarea

47、der1。Close(); } catch { MessageBox.Show("error”); } finally { Dbhelper.connection.Close(); } } private void button2_Click(object sender, EventArgs e) {

48、 textBox1.Text = null; textBox2.Text = null; textBox4.Text = null; comboBox2.Text = null; comboBox1。Text = null; } private string typdid(string a) { string id = ”"; string sqltypeid = string.Forma

49、t(”select booktypeid from booktype where booktypename=’{0}'", a); try { SqlCommand command=new SqlCommand (sqltypeid,Dbhelper.connection); Dbhelper.connection.Open(); id = Convert.ToString(command.ExecuteScalar()); } catch

50、 { MessageBox.Show("error "); } finally { Dbhelper.connection。Close(); } return id; } private string publisheid(string a) { string id = ”"; string

51、sqlpublisheid = string。Format(”select publisherid from publisher where publishername='{0}’”, a); try { SqlCommand command = new SqlCommand(sqlpublisheid, Dbhelper。connection); Dbhelper。connection。Open(); id = Convert.ToStri

52、ng(command。ExecuteScalar()); } catch { MessageBox。Show("error "); } finally { Dbhelper.connection.Close(); }return id; } private void button1_Click(object sender

53、, EventArgs e) { string name =textBox1 。Text ; string writter=textBox2 。Text ; string publisher = comboBox1。Text; string type=comboBox2.Text; string price = textBox4.Text; //string id = textBox5。Text;

54、 string typeid = typdid(type); string publisherid = publisheid(publisher); string bianhao = textBox3。Text; try { if (bianhao!=”"&&name != ”" &&writter != "” && publisher!= ”" && type != "" && price != "”) {

55、 Dbhelper。connection。Open(); string sql = string.Format("insert into book (BOOKID,bookname,bookwritter,publisherid,booktypeid,bookprice) values ('{0}',’{1}’,’{2}',’{3}','{4}’,{5})”,bianhao, name,writter ,publisherid,typeid,price); SqlCommand commmand = new SqlCom

56、mand(sql,Dbhelper.connection ); int ab =commmand.ExecuteNonQuery(); if (ab != 0) { MessageBox。Show("保存成功", "保存"); } else { MessageBox。Show(”添加失敗”);

57、 return; } } else if (name == ”” || writter == ”" || publisher == ”” || type== ”" || price== ””) { MessageBox .Show("請輸入所有信息",”錯誤",MessageBoxButtons 。OK , MessageBoxIcon 。Error ); } } c

58、atch //(exception ex) { MessageBox。Show("操作數(shù)據庫出錯”, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); } finally { Dbhelper.connection。Close(); } } private void button3_Click(object

59、sender, EventArgs e) { this。Close(); } } } 添加讀者信息界面: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System。Windows.Forms; using System.Data.SqlClient;

60、 namespace book { public partial class addreader : Form { public addreader() { InitializeComponent(); }//退出窗口 private void button3_Click(object sender, EventArgs e) { //Application.Exit(); this。Close();

61、 }//清除所有內容 private void button1_Click(object sender, EventArgs e) { textBox1。Text = null; textBox2。Text = null; textBox4.Text = null; textBox3.Text = null; textBox5.Text = null; comboBox1。Text =

62、null; comboBox2.Text = null; } private void button2_Click(object sender, EventArgs e) { //連接數(shù)據庫 //定義變量 string name =textBox1 。Text ; string age=textBox2 。Text ; string sex = comboBox1。Text; string studentId=textB

63、ox3。Text; string dept = textBox4.Text; string zhuanye= textBox5.Text; string maxnumber = comboBox2。Text; string pass = textBox6.Text; try { if (name != ”" && age != "" && sex != ”” && studentId != "" && de

64、pt != ”" && zhuanye != "” && maxnumber!= ""&&pass!=””) { Dbhelper.connection.Open(); string sql = string.Format(”insert into reader (readerid,readerpass,readername,readersex,readerage,readerdept,readerzhuanye,maxnumber) values (’{0}',’{1}','{2}’,'

65、{3}’,{4},'{5}’,'{6}',{7})", studentId, pass,name, sex, age, dept, zhuanye, maxnumber); SqlCommand commmand = new SqlCommand(sql,Dbhelper.connection ); int ab = commmand。ExecuteNonQuery(); if (ab != 0) { MessageBox.S

66、how(”保存成功”, ”保存"); } else { MessageBox。Show(”添加失敗”); return; } } else if (name == ”” || age == ”” || sex == ”" || studentId == "” || dept=="” || zhuanye == "” || maxnumber == ”") { MessageBox 。Show("請輸入所有學生信息”,”錯誤”,MessageBoxButtons .OK , MessageBoxIcon .Error ); } } catch //(exception ex)

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