java开发图书管理系统,用文件存储数据

1、.一：注册界面及代码：/* * bighomeworkcs2011z.libraryregisteframe.javaregisteframe苏州科技学院，计算机z1111，徐磊2013-11-13下午6:39:12 */package cs2011z.library;/* * author administrator * */import java.awt.dimension;import java.awt.gridlayout;import java.awt.toolkit;import java.awt.event.actionevent;import java.awt.event.ac

2、tionlistener;import java.util.vector;import javax.swing.jbutton;import javax.swing.jframe;import javax.swing.jlabel;import javax.swing.joptionpane;import javax.swing.jpanel;import javax.swing.jpasswordfield;import javax.swing.jtextfield;import javax.swing.border.bevelborder;import javax.swing.border

3、.compoundborder;/* * author administrator * registeframe */public class registeframe extends jframe/* * 注册界面 */private static final long serialversionuid = 1l;/控件显示文件信息final string username="用 户 名:"final string password="密 码:"final string passwordok="确认密码:"final string

4、commit="提交"final string cancel="取消"final string null=""/网格布局行、列final int row=4;/行final int col=2;/列/窗体控件定义private jlabel lblusername;/此标签用于显示"用户名"private jlabel lblpassword;/此标签用于显示"密码"private jlabel lblpasswordok;/此标签用于显示"确认密码"private jtex

5、tfield txtusername;/此文本框用于用户输入注册的用户名private jpasswordfield txtpassword;/此密码框用于用户输入注册密码 private jpasswordfield txtpasswordok;/此密码框用于用户输入确认密码private jbutton btncommit;/按钮用于提交注册信息private jbutton btncancel;/按钮用于取消/用户列表public vector<user> stvector=new vector<user>();/窗体高宽设定final int width=600

6、;final int height=400;/registeframe初始化suppresswarnings("unchecked")public registeframe(object obj,string title)super(title);/设置窗体标题stvector =(vector<user>)obj;/uservecsetsize(width,height);/窗体显示大小设置setvisible(true);setdefaultcloseoperation(jframe.dispose_on_close);/窗体关闭dimension scre

7、ensize = toolkit.getdefaulttoolkit().getscreensize(); dimension framesize = this.getsize(); this.setlocation( (screensize.width - framesize.width) / 2, (screensize.height - framesize.height) / 2);init();/初始化/窗体初始化：增加控件public void init()/网格布局：3×2getcontentpane().setlayout(new gridlayout(row,col)

8、;/创建相应的控件lblusername=new jlabel(username);txtusername=new jtextfield();lblpassword=new jlabel(password);txtpassword=new jpasswordfield();lblpasswordok=new jlabel(passwordok);txtpasswordok=new jpasswordfield();btncommit =new jbutton(commit);btncancel =new jbutton(cancel);/设置控件属性lblusername.sethorizon

9、talalignment(0);/"用户名"居中显示lblusername.setborder(new compoundborder(null, new bevelborder(bevelborder.raised);/显示"用户名："标签边框设置txtusername.setborder(new bevelborder(bevelborder.lowered);/用户名文本本框边框lblpassword.sethorizontalalignment(0);/"密码"文字居中显示lblpassword.setborder(new co

10、mpoundborder(null, new bevelborder(bevelborder.raised);/显示"口令："标签边框设置txtpassword.setborder(new bevelborder(bevelborder.lowered);/密码框边框lblpasswordok.sethorizontalalignment(0);/"确认密码"居中显示lblpasswordok.setborder(new compoundborder(null, new bevelborder(bevelborder.raised);/显示"确

11、认密码："标签边框设置txtpasswordok.setborder(new bevelborder(bevelborder.lowered);/确认密码框边框/增加监听器/确定按钮btncommit.addactionlistener( new actionlistener() public void actionperformed(actionevent e)string username=txtusername.gettext().trim();/获取用户输入用户名string password=new string(txtpassword.getpassword().trim

12、();/获取户输入的密码string passwordok=new string(txtpasswordok.getpassword().trim();boolean flag=true;char username=username.tochararray();for(char ch:username)if(ch>='a'&&ch<='z'|ch>='a'&&ch<='z'|ch>='0'&&ch<='9')flag

13、=true;elseflag=false;if(flag)if(pareto(passwordok)!=0)/注册失败 joptionpane.showmessagedialog( null, "两次密码不一致！", "注册失败", joptionpane.information_message );elseuser userregiste=new user(username,password);/创建一个用户对象stvector.add(userregiste);/obj.add();/注册成功 joptionpane.showmessagedialo

14、g( null, "用户名："+username+"rn"+"密码："+password, "注册成功", joptionpane.information_message ); dispose(); logonframe logon =new logonframe(stvector,"用户登录"); logon.setvisible(true);else/注册失败 joptionpane.showmessagedialog( null, "用户名不符合要求，请输入只有rn英文字母和数字

15、组成的字符串。", "注册失败", joptionpane.information_message ););/取消按钮btncancel.addactionlistener(new actionlistener() public void actionperformed(actionevent e) dispose(););/增加相应控件getcontentpane().add(lblusername);getcontentpane().add(txtusername);getcontentpane().add(lblpassword);getcontentpan

16、e().add(txtpassword);getcontentpane().add(lblpasswordok);getcontentpane().add(txtpasswordok);jpanel jp1 = new jpanel();jpanel jp2 = new jpanel();jp1.add(btncommit);jp2.add(btncancel);getcontentpane().add(jp1);getcontentpane().add(jp2);public static void main(string args)registeframe frame =new regis

17、teframe(new vector(),"用户注册");frame.setvisible(true);二：登录界面及代码。/* * bighomeworkcs2011z.librarylogonframe.javalogonframe苏州科技学院，计算机z1111，徐磊2013-11-15下午6:40:25 */package cs2011z.library;/* * author administrator * */import java.awt.dimension;import java.awt.gridlayout;import java.awt.toolkit;i

18、mport java.awt.event.actionevent;import java.awt.event.actionlistener;import java.util.vector;import javax.swing.jbutton;import javax.swing.jcheckbox;import javax.swing.jframe;import javax.swing.jlabel;import javax.swing.joptionpane;import javax.swing.jpanel;import javax.swing.jpasswordfield;import

19、javax.swing.jtextfield;import javax.swing.border.bevelborder;import javax.swing.border.compoundborder;/* * author administrator * logonframe */public class logonframe extends jframe/* * 登录控件 */private static final long serialversionuid = 1l;/控件显示文件信息final string username="用户名:"final string

20、 password="密 码:"final string ok="确定"final string cancel="取消"final string null=""/网格布局行、列final int row=4;/行final int col=2;/列/窗体控件定义private jlabel lblusername;/此标签用于显示"用户名"private jlabel lblpassword;/此标签用于显示"密码"private jtextfield txtusername

21、;/此文本框用于用户输入登录用户名private jpasswordfield txtpassword;/此密码框用于用户输入登录密码private jbutton btnok;/按钮用于登录private jbutton btncancel;/按钮用于取消private jcheckbox chkmpwd;/记住密码private jcheckbox chkaotulogon;/自动登录/用户列表public vector<user> stvector;/窗体高宽设定final int width=600;final int height=400;/logonframe初始化su

22、ppresswarnings("unchecked")public logonframe(object obj,string title)super(title);/设置窗体标题stvector =(vector<user>)obj;setsize(width,height);/窗体显示大小设置setvisible(true);setdefaultcloseoperation(jframe.dispose_on_close);/窗体关闭dimension screensize = toolkit.getdefaulttoolkit().getscreensize

23、(); dimension framesize = this.getsize(); this.setlocation( (screensize.width - framesize.width) / 2, (screensize.height - framesize.height) / 2);init();/初始化/窗体初始化：增加控件public void init()/网格布局：3×2getcontentpane().setlayout(new gridlayout(row,col);/创建相应的控件lblusername=new jlabel(username);txtusern

24、ame=new jtextfield();lblpassword=new jlabel(password);txtpassword=new jpasswordfield();btnok =new jbutton(ok);btncancel =new jbutton(cancel);chkmpwd =new jcheckbox("记住密码");chkaotulogon=new jcheckbox("自动登录");/设置控件属性lblusername.sethorizontalalignment(0);/"用户名"居中显示lblusern

25、ame.setborder(new compoundborder(null, new bevelborder(bevelborder.raised);/显示"用户名："标签边框设置txtusername.setborder(new bevelborder(bevelborder.lowered);/用户名文本本框边框lblpassword.sethorizontalalignment(0);/"密码"居中显示lblpassword.setborder(new compoundborder(null, new bevelborder(bevelborder

26、.raised);/显示"密码："标签边框设置txtpassword.setborder(new bevelborder(bevelborder.lowered);/密码框边框chkmpwd.sethorizontalalignment(0);chkaotulogon.sethorizontalalignment(0);/增加监听器/确定按钮btnok.addactionlistener( new actionlistener() public void actionperformed(actionevent e)string username=txtusername.ge

27、ttext().trim();/获取用户输入用户名string password=new string(txtpassword.getpassword().trim();/获取户输入的密码user userlogon=new user(username,password);/创建一个用户对象boolean flag=false;/存在标记/用循环查询用户名和密码是否存在for(user user:stvector)/if(user.equals(userlogon)if(user.getusername().trim().compareto(userlogon.getusername().tr

28、im()=0&&user.getpassword().trim().compareto(userlogon.getpassword().trim()=0)flag=true; if(flag) /登录成功 joptionpane.showmessagedialog( null, "用户名："+userlogon.getusername()+"rn用户登录成功！", "登录成功", joptionpane.information_message ); dispose(); alllayoutdemo demo =new

29、alllayoutdemo(); demo.setlayout(); demo.setvisible(true); else /登录失败 joptionpane.showmessagedialog( null, "用户名或口令错！请重新输入！",/提示信息 "登录失败",/提示信息 joptionpane.information_message ); txtusername.settext(null);/用户名文本框设置为空 txtpassword.settext(null);/口令密码框设置为空 txtusername.setfocusable(tru

30、e);/使其获得焦点 );/取消按钮btncancel.addactionlistener(new actionlistener() public void actionperformed(actionevent e) dispose(););/增加相应控件getcontentpane().add(lblusername);getcontentpane().add(txtusername);getcontentpane().add(lblpassword);getcontentpane().add(txtpassword);getcontentpane().add(chkmpwd);getco

31、ntentpane().add(chkaotulogon);jpanel jp1 = new jpanel();jpanel jp2 = new jpanel();jp1.add(btnok);jp2.add(btncancel);getcontentpane().add(jp1);getcontentpane().add(jp2);public static void main(string args)vector<user> stvector=new vector<user> ();stvector.add(0,new user("admin",

32、"123456");stvector.add(0,new user("xl","123456");stvector.add(1,new user("tom","123456");stvector.add(2,new user("jack","123456");stvector.add(3,new user("david","123456");logonframe frame = new logonframe(stve

33、ctor,"用户登录");frame.setvisible(true);三：登录主界面及代码。/* * cs2011z.library苏州科技学院，计算机z1111.徐磊2013年11月5日alllayoutdemo.java */package cs2011z.library;/* * author administrator * */import javax.swing.*;import javax.swing.event.*;import java.awt.*;import java.awt.event.*;import java.util.*;public clas

34、s alllayoutdemo extends jframe implements actionlistener/创建控件private jtextarea tacollect;private jlabel text = new jlabel("图书详细信息");private jlabel text1 = new jlabel("排序后结果输出");private jmenubar jmb = new jmenubar();private jmenu helpmenu = new jmenu("帮助");private jmenu

35、listmenu = new jmenu("排序");private jmenu datamenu = new jmenu("数据操作");/private jbutton btnsearch = new jbutton("查找数据");private jbutton btninsert = new jbutton("插入数据");private jbutton btndelete = new jbutton("删除数据");/private container container = getc

36、ontentpane();private bookdata list = new bookdata1000;private dataoperate op = new dataoperate();private string lib = new string1000;private int date = new int 10004;private jmenuitem exititem = new jmenuitem("退出", 't');private jmenuitem helpitem = new jmenuitem("帮助", 

37、9;h');private jmenuitem numlistitem = new jmenuitem("按图书号排序", 'n');private jmenuitem insertitem = new jmenuitem("插入数据",'i');private jmenuitem searchitem = new jmenuitem("查找数据",'s');private jmenuitem deleteitem = new jmenuitem("删除数据"

38、,'d');private jmenuitem changeitem = new jmenuitem("修改数据",'c');jlist book;/无参构造函数，实现对图形界面的初始化public alllayoutdemo()super("图书管理信息系统");this.setsize(600,750);this.setresizable(false);this.setdefaultcloseoperation(jframe.exit_on_close);/主方法/public static void main(str

39、ing args)/alllayoutdemo frame = new alllayoutdemo();/frame.setlayout();/frame.show();/布局设计public void setlayout()dataoperate op = new dataoperate();op.readdatabase();string string;string lib = new string1000;jlist book = new jlist(lib);container.setlayout(null);container.add(text);text.setbounds(220

40、,10,200,25);for(int i = 1;i <= op.getbookcount();i+)listi = op.r(i);string = "图书号:" + listi.number + " 图书名:" + +" 作者:"+listi.author+" 图书价格:"+listi.price+ " 到馆时间:" + listi.ltime + " 借出时间:" + listi.otime;libi = string; / jscroll

41、pane myscrollpane=new jscrollpane();myscrollpane.setbounds(10,40,570,360); container.add(book);myscrollpane.getviewport().add(book,null);this.getcontentpane().add(myscrollpane);book.setselectionmode(listselectionmodel.single_selection);this.setjmenubar(jmb);jmb.add(datamenu);jmb.add(listmenu);jmb.ad

42、d(helpmenu);datamenu.add(insertitem);datamenu.add(deleteitem);datamenu.add(searchitem);datamenu.add(changeitem);changeitem.setaccelerator(keystroke.getkeystroke(keyevent.vk_c, inputevent.ctrl_mask);insertitem.setaccelerator(keystroke.getkeystroke(keyevent.vk_i, inputevent.ctrl_mask);deleteitem.setac

43、celerator(keystroke.getkeystroke(keyevent.vk_d, inputevent.ctrl_mask);searchitem.setaccelerator(keystroke.getkeystroke(keyevent.vk_s, inputevent.ctrl_mask);/创建事件监听器insertitem.addactionlistener(this);deleteitem.addactionlistener(this);searchitem.addactionlistener(this);changeitem.addactionlistener(th

44、is);listmenu.add(numlistitem);numlistitem.setaccelerator(keystroke.getkeystroke(keyevent.vk_n, inputevent.ctrl_mask);numlistitem.addactionlistener(this);helpmenu.add(helpitem);helpmenu.add(exititem);helpitem.setaccelerator(keystroke.getkeystroke(keyevent.vk_h, inputevent.ctrl_mask);exititem.setaccel

45、erator(keystroke.getkeystroke(keyevent.vk_t, inputevent.ctrl_mask);exititem.addactionlistener(this);helpitem.addactionlistener(this);public void setlistlayout()int i;searchlayoutdemo search=new searchlayoutdemo();string string;/加载组件/container.add(text1);text1.setbounds(220,420,200,25);book = new jli

46、st(lib); jscrollpane myscrollpane = new jscrollpane();myscrollpane.setbounds(10,450,570,150); container.add(book);myscrollpane.getviewport().add(book,null);this.getcontentpane().add(myscrollpane);book.setselectionmode(listselectionmodel.single_selection);/for(i = 1;i <= op.getbookcount();i+)/if(l

47、isti.otime!=null)string = "图书号:" + listi.number + " 图书名:" + +" 作者:"+listi.author+" 图书价格:"+listi.price+ " 到馆时间:" + listi.ltime + " 借出时间:" + listi.otime;libi = string; /else/string = "图书号:" + listi.number + " 图书名:&qu

48、ot; + +/" 作者:"+listi.author+" 图书价格:"+listi.price+ /" 到馆时间:" + listi.ltime;/libi = string; /public void chartoint(string data,int i)int a,b,c;a=data.indexof(".");b=data.indexof("-");c=data.indexof(":");datei0 = integer.parseint(da

49、ta.substring(0,a);datei1 = integer.parseint(data.substring(a+1,b);datei2 = integer.parseint(data.substring(b+1,c);datei3 = integer.parseint(data.substring(c+1,data.length();/响应事件public void actionperformed(actionevent e) int i,j; int index; bookdata temp; dataoperate op = new dataoperate(); int da =

50、 new int14; /numlistitem事件 if(e.getsource() = numlistitem) for(i = 1;i <= 499;i+)libi = " " /排序 for(i = 1;i <= op.getbookcount();i+) for(j = 1;j <= op.getbookcount()-i;j+) if(listjpareto(listj+1.number) >= 0) temp = listj; listj = listj+1; listj+1 = temp; this.setlistlayout();

51、this.setvisible(true);/ this.show(); /1.searchitem事件，调用searchlayoutdemo方法 if(e.getsource() = searchitem) dispose(); searchlayoutdemo window1 = new searchlayoutdemo();window1.setlayout();/window1.show();window1.setvisible(true); /2. if(e.getsource()=insertitem) dispose(); insertlayoutdemo window2=new insertlayoutdemo();window2.setlayout();window2.setvisible(true);/window2.show(); /3. if(e.getsource() = deleteitem) dispose(); deletelayoutdemo window3 = n