图书管理系统java代码实现

本文实例为大家分享了java实现图书管理系统的具体代码，供大家参考，具体内容如下

/* (程序头部注释开始)
* 程序的版权和版本声明部分
* copyright (c) 2011, 烟台大学计算机学院学生
* all rights reserved.
* 文件名称：    《图书管理系统——java》                         
* 作    者：       刘江波                      
* 完成日期：    2012     年  3     月     1   日
* 版 本 号：    v3.0    

* 对任务及求解方法的描述部分
* 问题描述： 
* 程序头部的注释结束
*/

文件包的建立情况：

bookdao.java

/* 
 * to change this template, choose tools | templates 
 * and open the template in the editor. 
 */ 
 
package com.liu.dao; 
 
import com.liu.po.bookbean; 
import java.io.*; 
import java.util.hashmap; 
import java.util.map; 
import java.util.logging.level; 
import java.util.logging.logger; 
 
/** 
 * 
 * @author asus 
 */ 
public class bookdao { 
 // 写 
 public void writebook(map<integer,bookbean >bookmap){ 
 // 
 fileoutputstream fos = null; 
 objectoutputstream oos = null; 
 try { 
  fos = new fileoutputstream("f:\\缓存区\\book.txt"); 
  oos = new objectoutputstream(fos); 
  oos.writeobject(bookmap); 
  //清空缓存区 
  oos.flush(); 
 } 
 catch (filenotfoundexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
 } 
 //异常级别高的在后边 
 catch (ioexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
 } 
 finally{ 
  try{ 
  //先开后闭 
   oos.close(); 
   fos.close(); 
  }catch(ioexception ex){ 
  logger.getlogger(typedao.class.getname()).log(level.severe,null,ex); 
  } 
 } 
 } 
 
 //读 
 public map<integer,bookbean>readbook(){ 
 fileinputstream fis = null; 
 objectinputstream ois = null; 
 map<integer, bookbean> map = null; 
 try { 
  fis = new fileinputstream("f:\\缓存区\\book.txt"); 
  ois = new objectinputstream(fis); 
  map = (map<integer, bookbean>) ois.readobject();//出现异常进入catch 
 } catch (classnotfoundexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
 } catch (filenotfoundexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
 } catch (ioexception ex) { 
  //logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
  //ex.printstacktrace(); 
  map=new hashmap<integer,bookbean>();//出现异常时，进行创建map 
 } finally{ 
  try { 
  if(ois!=null){ 
   ois.close(); 
  } 
  if(fis!=null){ 
   fis.close(); 
  } 
 
  } catch (ioexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
  } 
 } 
 return map; 
 } 
} 

 typedao.java

/* 
 * to change this template, choose tools | templates 
 * and open the template in the editor. 
 */ 
 
package com.liu.dao; 
 
import com.liu.po.typebean; 
import java.io.*; 
import java.util.*; 
import java.util.logging.*; 
/** 
 * 
 * 对文件进行读和写操作 
 */ 
public class typedao { 
 
 // 写 
 public void writetype(map<integer,typebean >typemap){ 
 // 
 fileoutputstream fos = null; 
 objectoutputstream oos = null; 
 try { 
  fos = new fileoutputstream("f:\\缓存区\\type.txt"); 
  oos = new objectoutputstream(fos); 
  oos.writeobject(typemap); 
  //清空缓存区 
  oos.flush(); 
 } 
 catch (filenotfoundexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
 } 
 //异常级别高的在后边 
 catch (ioexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
 } 
 finally{ 
  try{ 
  //先开后闭 
   oos.close(); 
   fos.close(); 
  }catch(ioexception ex){ 
  logger.getlogger(typedao.class.getname()).log(level.severe,null,ex); 
  } 
 } 
 } 
 
 //读 
 public map<integer,typebean>readtype(){ 
 fileinputstream fis = null; 
 objectinputstream ois = null; 
 map<integer, typebean> map = null; 
 try { 
  fis = new fileinputstream("f:\\缓存区\\type.txt"); 
  ois = new objectinputstream(fis); 
  map = (map<integer, typebean>) ois.readobject();//出现异常进入catch 
 } catch (classnotfoundexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
 } catch (filenotfoundexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
 } catch (ioexception ex) { 
  //logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
  //ex.printstacktrace(); 
  map=new hashmap<integer,typebean>();//出现异常时，进行创建map 
 } finally{ 
  try { 
  if(ois!=null){ 
   ois.close(); 
  } 
  if(fis!=null){ 
   fis.close(); 
  } 
   
  } catch (ioexception ex) { 
  logger.getlogger(typedao.class.getname()).log(level.severe, null, ex); 
  } 
 } 
 return map; 
 } 
} 

bookbean.java

/* 
 * to change this template, choose tools | templates 
 * and open the template in the editor. 
 */ 
 
package com.liu.po; 
 
import java.io.serializable; 
 
/** 
 * 
 * @author asus 
 */ 
public class bookbean implements serializable{ 
 
 private int id; 
 private string bookname; 
 private string booktype; 
 private string memo; 
 private string money; 
 
 /** 
 * @return the id 
 */ 
 public int getid() { 
 return id; 
 } 
 
 /** 
 * @param id the id to set 
 */ 
 public void setid(int id) { 
 this.id = id; 
 } 
 
 /** 
 * @return the bookname 
 */ 
 public string getbookname() { 
 return bookname; 
 } 
 
 /** 
 * @param bookname the bookname to set 
 */ 
 public void setbookname(string bookname) { 
 this.bookname = bookname; 
 } 
 
 /** 
 * @return the booktype 
 */ 
 public string getbooktype() { 
 return booktype; 
 } 
 
 /** 
 * @param booktype the booktype to set 
 */ 
 public void setbooktype(string booktype) { 
 this.booktype = booktype; 
 } 
 
 /** 
 * @return the memo 
 */ 
 public string getmemo() { 
 return memo; 
 } 
 
 /** 
 * @param memo the memo to set 
 */ 
 public void setmemo(string memo) { 
 this.memo = memo; 
 } 
 
 /** 
 * @return the money 
 */ 
 public string getmoney() { 
 return money; 
 } 
 
 /** 
 * @param money the money to set 
 */ 
 public void setmoney(string money) { 
 this.money = money; 
 } 
} 

typebean.java

/* 
 * to change this template, choose tools | templates 
 * and open the template in the editor. 
 */ 
 
package com.liu.po; 
 
/** 
 * 
 * @author asus 
 */ 
import java.io.serializable; 
 
public class typebean implements serializable{ 
 
 private int id; 
 private string typename; 
 private string memo; 
 
 /** 
 * @return the id 
 */ 
 public int getid() { 
 return id; 
 } 
 
 /** 
 * @param id the id to set 
 */ 
 public void setid(int id) { 
 this.id = id; 
 } 
 
 /** 
 * @return the typename 
 */ 
 public string gettypename() { 
 return typename; 
 } 
 
 /** 
 * @param typename the typename to set 
 */ 
 public void settypename(string typename) { 
 this.typename = typename; 
 } 
 
 /** 
 * @return the memo 
 */ 
 public string getmemo() { 
 return memo; 
 } 
 
 /** 
 * @param memo the memo to set 
 */ 
 public void setmemo(string memo) { 
 this.memo = memo; 
 } 
 
 
} 

loginform.java

/* 
 * to change this template, choose tools | templates 
 * and open the template in the editor. 
 */ 
 
/* 
 * loginform.java 
 * 
 * created on 2013-2-26, 18:33:36 
 */ 
 
package com.liu.view; 
 
import java.awt.event.keyadapter; 
import java.awt.event.keyevent; 
import javax.swing.joptionpane; 
 
/** 
 * 
 * @author asus 
 */ 
public class loginform extends javax.swing.jframe { 
 
 /** creates new form loginform */ 
 public loginform() { 
 initcomponents(); 
 } 
 
 /** this method is called from within the constructor to 
 * initialize the form. 
 * warning: do not modify this code. the content of this method is 
 * always regenerated by the form editor. 
 */ 
 @suppresswarnings("unchecked") 
 // <editor-fold defaultstate="collapsed" desc="generated code">    
 private void initcomponents() { 
 
 jlabel1 = new javax.swing.jlabel(); 
 jlabel2 = new javax.swing.jlabel(); 
 jlabel3 = new javax.swing.jlabel(); 
 loginname = new javax.swing.jtextfield(); 
 loginpwd = new javax.swing.jpasswordfield(); 
 jbutton1 = new javax.swing.jbutton(); 
 
 setdefaultcloseoperation(javax.swing.windowconstants.exit_on_close); 
 settitle("登陆界面"); 
 setbounds(new java.awt.rectangle(300, 200, 0, 0)); 
 seticonimage(new javax.swing.imageicon(getclass().getresource("/com/liu/resouce/logo.jpg")).getimage()); 
 addkeylistener(new java.awt.event.keyadapter() { 
  public void keypressed(java.awt.event.keyevent evt) { 
  formkeypressed(evt); 
  } 
 }); 
 
 jlabel1.setfont(new java.awt.font("宋体", 0, 36)); 
 jlabel1.setforeground(new java.awt.color(204, 0, 0)); 
 jlabel1.settext("图书管理系统"); 
 
 jlabel2.setfont(new java.awt.font("宋体", 0, 24)); 
 jlabel2.settext("用户名："); 
 
 jlabel3.setfont(new java.awt.font("宋体", 0, 24)); 
 jlabel3.settext("密码："); 
 
 loginname.setname(""); // noi18n 
 loginname.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  loginnameactionperformed(evt); 
  } 
 }); 
 loginname.addkeylistener(new java.awt.event.keyadapter() { 
  public void keypressed(java.awt.event.keyevent evt) { 
  loginnamekeypressed(evt); 
  } 
 }); 
 
 loginpwd.addkeylistener(new java.awt.event.keyadapter() { 
  public void keypressed(java.awt.event.keyevent evt) { 
  loginpwdkeypressed(evt); 
  } 
 }); 
 
 jbutton1.setfont(new java.awt.font("宋体", 0, 24)); // noi18n 
 jbutton1.settext("登录"); 
 jbutton1.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jbutton1actionperformed(evt); 
  } 
 }); 
 
 javax.swing.grouplayout layout = new javax.swing.grouplayout(getcontentpane()); 
 getcontentpane().setlayout(layout); 
 layout.sethorizontalgroup( 
  layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(layout.createsequentialgroup() 
  .addgap(97, 97, 97) 
  .addgroup(layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
   .addcomponent(jlabel2) 
   .addcomponent(jlabel3)) 
  .addpreferredgap(javax.swing.layoutstyle.componentplacement.unrelated) 
  .addgroup(layout.createparallelgroup(javax.swing.grouplayout.alignment.leading, false) 
   .addcomponent(loginpwd) 
   .addcomponent(loginname, javax.swing.grouplayout.default_size, 215, short.max_value)) 
  .addcontainergap(88, short.max_value)) 
  .addgroup(javax.swing.grouplayout.alignment.trailing, layout.createsequentialgroup() 
  .addcontainergap(130, short.max_value) 
  .addcomponent(jlabel1, javax.swing.grouplayout.preferred_size, 263, javax.swing.grouplayout.preferred_size) 
  .addgap(113, 113, 113)) 
  .addgroup(javax.swing.grouplayout.alignment.trailing, layout.createsequentialgroup() 
  .addcontainergap(299, short.max_value) 
  .addcomponent(jbutton1, javax.swing.grouplayout.preferred_size, 97, javax.swing.grouplayout.preferred_size) 
  .addgap(110, 110, 110)) 
 ); 
 layout.setverticalgroup( 
  layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(layout.createsequentialgroup() 
  .addgap(50, 50, 50) 
  .addcomponent(jlabel1, javax.swing.grouplayout.preferred_size, 45, javax.swing.grouplayout.preferred_size) 
  .addgap(38, 38, 38) 
  .addgroup(layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
   .addcomponent(jlabel2) 
   .addcomponent(loginname, javax.swing.grouplayout.preferred_size, 29, javax.swing.grouplayout.preferred_size)) 
  .addgap(26, 26, 26) 
  .addgroup(layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
   .addcomponent(jlabel3) 
   .addcomponent(loginpwd, javax.swing.grouplayout.preferred_size, 29, javax.swing.grouplayout.preferred_size)) 
  .addgap(18, 18, 18) 
  .addcomponent(jbutton1, javax.swing.grouplayout.preferred_size, 36, javax.swing.grouplayout.preferred_size) 
  .addcontainergap(21, short.max_value)) 
 ); 
 
 pack(); 
 }// </editor-fold>    
 
 private void loginnameactionperformed(java.awt.event.actionevent evt) {      
 // todo add your handling code here: 
}      
 
 private void jbutton1actionperformed(java.awt.event.actionevent evt) {      
  
 //1.先获取用户名和密码 
 string name = loginname.gettext(); 
 string password = new string(loginpwd.getpassword()); 
 //2.进行验证 
 if("admin".equals(name)&&"admin".equals(password)) 
 { 
  //登陆成功 
  //隐藏loginform，显示mainform 
  this.setvisible(false); 
  new mainform().setvisible(true); 
 } 
 else 
 { 
  //登录失败 
  joptionpane.showmessagedialog(this, "用户名或密码错误！"); 
 } 
 
 }      
 
 private void formkeypressed(java.awt.event.keyevent evt) {     
 //敲击键盘登陆 
  
 }     
 
 private void loginnamekeypressed(java.awt.event.keyevent evt) {     
 //敲击键盘登陆 
 if(evt.getkeytext(evt.getkeycode()).comparetoignorecase("enter")==0) 
 { 
  jbutton1.doclick(); 
 } 
 }     
 
 private void loginpwdkeypressed(java.awt.event.keyevent evt) {     
 //敲击键盘登陆 
 if(evt.getkeytext(evt.getkeycode()).comparetoignorecase("enter")==0) 
 { 
  jbutton1.doclick(); 
 } 
 }     
 
 /** 
 * @param args the command line arguments 
 */ 
 public static void main(string args[]) { 
 java.awt.eventqueue.invokelater(new runnable() { 
  public void run() { 
  new loginform().setvisible(true); 
  } 
 }); 
 } 
 
 // variables declaration - do not modify   
 private javax.swing.jtextfield loginname; 
 private javax.swing.jpasswordfield loginpwd; 
 private javax.swing.jbutton jbutton1; 
 private javax.swing.jlabel jlabel1; 
 private javax.swing.jlabel jlabel2; 
 private javax.swing.jlabel jlabel3; 
 // end of variables declaration   
 
} 

mainform.java

/* 
 * to change this template, choose tools | templates 
 * and open the template in the editor. 
 */ 
 
/* 
 * mainform.java 
 * 
 * created on 2013-2-26, 18:35:25 
 */ 
 
package com.liu.view; 
 
/** 
 * 
 * @author asus 
 */ 
public class mainform extends javax.swing.jframe { 
 
 /** creates new form mainform */ 
 public mainform() { 
 initcomponents(); 
  
 } 
 
 /** this method is called from within the constructor to 
 * initialize the form. 
 * warning: do not modify this code. the content of this method is 
 * always regenerated by the form editor. 
 */ 
 @suppresswarnings("unchecked") 
 // <editor-fold defaultstate="collapsed" desc="generated code">    
 private void initcomponents() { 
 
 jlabel1 = new javax.swing.jlabel(); 
 jpanel1 = new javax.swing.jpanel(); 
 jlabel2 = new javax.swing.jlabel(); 
 jmenubar1 = new javax.swing.jmenubar(); 
 配置管理 = new javax.swing.jmenu(); 
 jmenuitem1 = new javax.swing.jmenuitem(); 
 jmenuitem2 = new javax.swing.jmenuitem(); 
 jmenu2 = new javax.swing.jmenu(); 
 jmenuitem4 = new javax.swing.jmenuitem(); 
 jmenu1 = new javax.swing.jmenu(); 
 jmenuitem3 = new javax.swing.jmenuitem(); 
 
 setdefaultcloseoperation(javax.swing.windowconstants.exit_on_close); 
 settitle("图书管理系统"); 
 setbounds(new java.awt.rectangle(80, 60, 0, 0)); 
 seticonimage(new javax.swing.imageicon(getclass().getresource("/com/liu/resouce/logo.jpg")).getimage()); 
 
 jlabel1.setfont(new java.awt.font("宋体", 0, 48)); 
 jlabel1.setforeground(new java.awt.color(0, 204, 51)); 
 jlabel1.seticon(new javax.swing.imageicon(getclass().getresource("/com/liu/resouce/main.jpg"))); // noi18n 
 
 jlabel2.setfont(new java.awt.font("宋体", 0, 48)); 
 jlabel2.setforeground(new java.awt.color(0, 0, 255)); 
 jlabel2.settext("欢迎使用图书借阅管理系统"); 
 
 javax.swing.grouplayout jpanel1layout = new javax.swing.grouplayout(jpanel1); 
 jpanel1.setlayout(jpanel1layout); 
 jpanel1layout.sethorizontalgroup( 
  jpanel1layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(jpanel1layout.createsequentialgroup() 
  .addgap(38, 38, 38) 
  .addcomponent(jlabel2) 
  .addcontainergap(63, short.max_value)) 
 ); 
 jpanel1layout.setverticalgroup( 
  jpanel1layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(javax.swing.grouplayout.alignment.trailing, jpanel1layout.createsequentialgroup() 
  .addcontainergap() 
  .addcomponent(jlabel2, javax.swing.grouplayout.default_size, 78, short.max_value)) 
 ); 
 
 配置管理.settext("配置管理"); 
 
 jmenuitem1.setaccelerator(javax.swing.keystroke.getkeystroke(java.awt.event.keyevent.vk_l, java.awt.event.inputevent.ctrl_mask)); 
 jmenuitem1.settext("类别管理"); 
 jmenuitem1.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jmenuitem1actionperformed(evt); 
  } 
 }); 
 配置管理.add(jmenuitem1); 
 
 jmenuitem2.setaccelerator(javax.swing.keystroke.getkeystroke(java.awt.event.keyevent.vk_t, java.awt.event.inputevent.ctrl_mask)); 
 jmenuitem2.settext("图书管理"); 
 jmenuitem2.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jmenuitem2actionperformed(evt); 
  } 
 }); 
 配置管理.add(jmenuitem2); 
 
 jmenubar1.add(配置管理); 
 
 jmenu2.settext("借书"); 
 
 jmenuitem4.setaccelerator(javax.swing.keystroke.getkeystroke(java.awt.event.keyevent.vk_j, java.awt.event.inputevent.ctrl_mask)); 
 jmenuitem4.settext("租书"); 
 jmenu2.add(jmenuitem4); 
 
 jmenubar1.add(jmenu2); 
 
 jmenu1.settext("还书"); 
 
 jmenuitem3.setaccelerator(javax.swing.keystroke.getkeystroke(java.awt.event.keyevent.vk_h, java.awt.event.inputevent.ctrl_mask)); 
 jmenuitem3.settext("还书"); 
 jmenu1.add(jmenuitem3); 
 
 jmenubar1.add(jmenu1); 
 
 setjmenubar(jmenubar1); 
 
 javax.swing.grouplayout layout = new javax.swing.grouplayout(getcontentpane()); 
 getcontentpane().setlayout(layout); 
 layout.sethorizontalgroup( 
  layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addcomponent(jlabel1, 0, 0, short.max_value) 
  .addgroup(layout.createsequentialgroup() 
  .addgap(22, 22, 22) 
  .addcomponent(jpanel1, javax.swing.grouplayout.default_size, javax.swing.grouplayout.default_size, short.max_value) 
  .addcontainergap()) 
 ); 
 layout.setverticalgroup( 
  layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(javax.swing.grouplayout.alignment.trailing, layout.createsequentialgroup() 
  .addcontainergap() 
  .addcomponent(jpanel1, javax.swing.grouplayout.default_size, javax.swing.grouplayout.default_size, short.max_value) 
  .addpreferredgap(javax.swing.layoutstyle.componentplacement.related) 
  .addcomponent(jlabel1, javax.swing.grouplayout.preferred_size, 411, javax.swing.grouplayout.preferred_size)) 
 ); 
 
 pack(); 
 }// </editor-fold>    
 
 private void jmenuitem1actionperformed(java.awt.event.actionevent evt) {      
 // 类型管理 
  new typeform().setvisible(true); 
 }      
 
 private void jmenuitem2actionperformed(java.awt.event.actionevent evt) {      
 // 图书管理 
 new bookform().setvisible(true); 
 }      
 
 /** 
 * @param args the command line arguments 
 */ 
 public static void main(string args[]) { 
 java.awt.eventqueue.invokelater(new runnable() { 
  public void run() { 
  new mainform().setvisible(true); 
  } 
 }); 
 } 
 
 // variables declaration - do not modify   
 private javax.swing.jlabel jlabel1; 
 private javax.swing.jlabel jlabel2; 
 private javax.swing.jmenu jmenu1; 
 private javax.swing.jmenu jmenu2; 
 private javax.swing.jmenubar jmenubar1; 
 private javax.swing.jmenuitem jmenuitem1; 
 private javax.swing.jmenuitem jmenuitem2; 
 private javax.swing.jmenuitem jmenuitem3; 
 private javax.swing.jmenuitem jmenuitem4; 
 private javax.swing.jpanel jpanel1; 
 private javax.swing.jmenu 配置管理; 
 // end of variables declaration   
 
} 

bookform.java

/* 
 * to change this template, choose tools | templates 
 * and open the template in the editor. 
 */ 
 
/* 
 * bookform.java 
 * 
 * created on 2013-2-28, 8:23:01 
 */ 
 
package com.liu.view; 
 
import com.liu.dao.bookdao; 
import com.liu.dao.typedao; 
import com.liu.po.bookbean; 
import com.liu.po.typebean; 
import java.util.map; 
import java.util.set; 
import java.util.vector; 
import javax.swing.defaultcomboboxmodel; 
import javax.swing.joptionpane; 
import javax.swing.table.defaulttablemodel; 
 
/** 
 * 
 * @author asus 
 */ 
public class bookform extends javax.swing.jframe { 
 
 
 /** creates new form bookform */ 
 private map<integer,bookbean> map; 
 private map<integer,typebean> map1; 
 private bookdao bookdao; 
 private typedao typedao; 
 
 public bookform() { 
 initcomponents(); 
 bookdao = new bookdao(); 
 typedao = new typedao(); 
 map = bookdao.readbook(); 
 map1 = typedao.readtype(); 
 inittype(); 
 initdata(); 
 } 
 
 /** this method is called from within the constructor to 
 * initialize the form. 
 * warning: do not modify this code. the content of this method is 
 * always regenerated by the form editor. 
 */ 
 @suppresswarnings("unchecked") 
 // <editor-fold defaultstate="collapsed" desc="generated code">    
 private void initcomponents() { 
 
 jpanel1 = new javax.swing.jpanel(); 
 jscrollpane1 = new javax.swing.jscrollpane(); 
 booktable = new javax.swing.jtable(); 
 jpanel2 = new javax.swing.jpanel(); 
 bmemo = new javax.swing.jtextfield(); 
 jbutton1 = new javax.swing.jbutton(); 
 jbutton2 = new javax.swing.jbutton(); 
 jbutton3 = new javax.swing.jbutton(); 
 jbutton4 = new javax.swing.jbutton(); 
 jlabel1 = new javax.swing.jlabel(); 
 jlabel2 = new javax.swing.jlabel(); 
 jlabel3 = new javax.swing.jlabel(); 
 jlabel4 = new javax.swing.jlabel(); 
 bid = new javax.swing.jtextfield(); 
 bname = new javax.swing.jtextfield(); 
 btype = new javax.swing.jcombobox(); 
 jlabel5 = new javax.swing.jlabel(); 
 bmoney = new javax.swing.jtextfield(); 
 
 settitle("图书管理"); 
 setbounds(new java.awt.rectangle(100, 50, 0, 0)); 
 seticonimage(new javax.swing.imageicon(getclass().getresource("/com/liu/resouce/logo.jpg")).getimage()); 
 
 booktable.setfont(new java.awt.font("宋体", 0, 18)); // noi18n 
 booktable.setmodel(new javax.swing.table.defaulttablemodel( 
  new object [][] { 
  {null, null, null, null, null}, 
  {null, null, null, null, null}, 
  {null, null, null, null, null}, 
  {null, null, null, null, null}, 
  {null, null, null, null, null}, 
  {null, null, null, null, null}, 
  {null, null, null, null, null}, 
  {null, null, null, null, null}, 
  {null, null, null, null, null}, 
  {null, null, null, null, null} 
  }, 
  new string [] { 
  "序号", "图书名称", "图书类型", "租金", "备注" 
  } 
 ) { 
  class[] types = new class [] { 
  java.lang.integer.class, java.lang.string.class, java.lang.string.class, java.lang.string.class, java.lang.string.class 
  }; 
  boolean[] canedit = new boolean [] { 
  false, false, false, false, false 
  }; 
 
  public class getcolumnclass(int columnindex) { 
  return types [columnindex]; 
  } 
 
  public boolean iscelleditable(int rowindex, int columnindex) { 
  return canedit [columnindex]; 
  } 
 }); 
 booktable.addmouselistener(new java.awt.event.mouseadapter() { 
  public void mouseclicked(java.awt.event.mouseevent evt) { 
  booktablemouseclicked(evt); 
  } 
 }); 
 jscrollpane1.setviewportview(booktable); 
 
 jpanel2.setborder(javax.swing.borderfactory.createtitledborder(null, "详细信息", javax.swing.border.titledborder.default_justification, javax.swing.border.titledborder.default_position, new java.awt.font("宋体", 0, 18))); // noi18n 
 
 bmemo.setfont(new java.awt.font("宋体", 0, 18)); 
 
 jbutton1.settext("新增"); 
 jbutton1.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jbutton1actionperformed(evt); 
  } 
 }); 
 
 jbutton2.settext("保存"); 
 jbutton2.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jbutton2actionperformed(evt); 
  } 
 }); 
 
 jbutton3.settext("更新"); 
 jbutton3.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jbutton3actionperformed(evt); 
  } 
 }); 
 
 jbutton4.settext("删除"); 
 jbutton4.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jbutton4actionperformed(evt); 
  } 
 }); 
 
 jlabel1.setfont(new java.awt.font("宋体", 0, 18)); 
 jlabel1.settext("序号："); 
 
 jlabel2.setfont(new java.awt.font("宋体", 0, 18)); 
 jlabel2.settext("名称："); 
 
 jlabel3.setfont(new java.awt.font("宋体", 0, 18)); 
 jlabel3.settext("类型："); 
 
 jlabel4.setfont(new java.awt.font("宋体", 0, 18)); 
 jlabel4.settext("备注："); 
 
 bid.setfont(new java.awt.font("宋体", 0, 18)); 
 
 bname.setfont(new java.awt.font("宋体", 0, 18)); 
 
 btype.setfont(new java.awt.font("宋体", 0, 18)); 
 btype.setmodel(new javax.swing.defaultcomboboxmodel(new string[] { "文学类", "教育类", "科技类", "文艺类" })); 
 btype.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  btypeactionperformed(evt); 
  } 
 }); 
 
 jlabel5.setfont(new java.awt.font("宋体", 0, 18)); 
 jlabel5.settext("租金："); 
 
 javax.swing.grouplayout jpanel2layout = new javax.swing.grouplayout(jpanel2); 
 jpanel2.setlayout(jpanel2layout); 
 jpanel2layout.sethorizontalgroup( 
  jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(jpanel2layout.createsequentialgroup() 
  .addgap(33, 33, 33) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
   .addgroup(jpanel2layout.createsequentialgroup() 
   .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
    .addcomponent(jlabel2, javax.swing.grouplayout.default_size, 83, short.max_value) 
    .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.trailing) 
    .addcomponent(jlabel3) 
    .addcomponent(jlabel5) 
    .addcomponent(jlabel4))) 
   .addpreferredgap(javax.swing.layoutstyle.componentplacement.related)) 
   .addgroup(jpanel2layout.createsequentialgroup() 
   .addcomponent(jlabel1) 
   .addgap(33, 33, 33))) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
   .addcomponent(bmemo, javax.swing.grouplayout.default_size, 375, short.max_value) 
   .addcomponent(bid, javax.swing.grouplayout.default_size, 375, short.max_value) 
   .addcomponent(bname, javax.swing.grouplayout.default_size, 375, short.max_value) 
   .addcomponent(bmoney, javax.swing.grouplayout.default_size, 375, short.max_value) 
   .addgroup(jpanel2layout.createsequentialgroup() 
   .addcomponent(jbutton1, javax.swing.grouplayout.preferred_size, 73, javax.swing.grouplayout.preferred_size) 
   .addgap(28, 28, 28) 
   .addcomponent(jbutton2, javax.swing.grouplayout.preferred_size, 69, javax.swing.grouplayout.preferred_size) 
   .addgap(30, 30, 30) 
   .addcomponent(jbutton3, javax.swing.grouplayout.preferred_size, 73, javax.swing.grouplayout.preferred_size) 
   .addpreferredgap(javax.swing.layoutstyle.componentplacement.related, 28, short.max_value) 
   .addcomponent(jbutton4, javax.swing.grouplayout.preferred_size, 74, javax.swing.grouplayout.preferred_size)) 
   .addcomponent(btype, 0, 375, short.max_value)) 
  .addgap(65, 65, 65)) 
 ); 
 jpanel2layout.setverticalgroup( 
  jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(javax.swing.grouplayout.alignment.trailing, jpanel2layout.createsequentialgroup() 
  .addcontainergap() 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
   .addcomponent(jlabel1, javax.swing.grouplayout.preferred_size, 25, javax.swing.grouplayout.preferred_size) 
   .addcomponent(bid, javax.swing.grouplayout.preferred_size, 37, javax.swing.grouplayout.preferred_size)) 
  .addgap(13, 13, 13) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
   .addcomponent(jlabel2) 
   .addcomponent(bname, javax.swing.grouplayout.preferred_size, 37, javax.swing.grouplayout.preferred_size)) 
  .addgap(18, 18, 18) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
   .addcomponent(jlabel3) 
   .addcomponent(btype, javax.swing.grouplayout.preferred_size, 30, javax.swing.grouplayout.preferred_size)) 
  .addgap(26, 26, 26) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
   .addcomponent(jlabel5) 
   .addcomponent(bmoney, javax.swing.grouplayout.preferred_size, 35, javax.swing.grouplayout.preferred_size)) 
  .addgap(32, 32, 32) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
   .addgroup(jpanel2layout.createsequentialgroup() 
   .addcomponent(bmemo, javax.swing.grouplayout.preferred_size, 58, javax.swing.grouplayout.preferred_size) 
   .addgap(64, 64, 64) 
   .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
    .addcomponent(jbutton1, javax.swing.grouplayout.preferred_size, 32, javax.swing.grouplayout.preferred_size) 
    .addcomponent(jbutton2, javax.swing.grouplayout.preferred_size, 32, javax.swing.grouplayout.preferred_size) 
    .addcomponent(jbutton3, javax.swing.grouplayout.preferred_size, 31, javax.swing.grouplayout.preferred_size) 
    .addcomponent(jbutton4, javax.swing.grouplayout.preferred_size, 32, javax.swing.grouplayout.preferred_size))) 
   .addcomponent(jlabel4)) 
  .addgap(22, 22, 22)) 
 ); 
 
 javax.swing.grouplayout jpanel1layout = new javax.swing.grouplayout(jpanel1); 
 jpanel1.setlayout(jpanel1layout); 
 jpanel1layout.sethorizontalgroup( 
  jpanel1layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addcomponent(jscrollpane1, javax.swing.grouplayout.alignment.trailing, javax.swing.grouplayout.default_size, 795, short.max_value) 
  .addgroup(jpanel1layout.createsequentialgroup() 
  .addgap(50, 50, 50) 
  .addcomponent(jpanel2, javax.swing.grouplayout.preferred_size, javax.swing.grouplayout.default_size, javax.swing.grouplayout.preferred_size) 
  .addcontainergap(173, short.max_value)) 
 ); 
 jpanel1layout.setverticalgroup( 
  jpanel1layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(jpanel1layout.createsequentialgroup() 
  .addcomponent(jscrollpane1, javax.swing.grouplayout.preferred_size, 192, javax.swing.grouplayout.preferred_size) 
  .addgap(10, 10, 10) 
  .addcomponent(jpanel2, javax.swing.grouplayout.default_size, javax.swing.grouplayout.default_size, short.max_value)) 
 ); 
 
 javax.swing.grouplayout layout = new javax.swing.grouplayout(getcontentpane()); 
 getcontentpane().setlayout(layout); 
 layout.sethorizontalgroup( 
  layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addcomponent(jpanel1, javax.swing.grouplayout.default_size, javax.swing.grouplayout.default_size, short.max_value) 
 ); 
 layout.setverticalgroup( 
  layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addcomponent(jpanel1, javax.swing.grouplayout.default_size, javax.swing.grouplayout.default_size, short.max_value) 
 ); 
 
 pack(); 
 }// </editor-fold>    
 //表格数据的初始化 
 public void initdata(){ 
 //加载数据 
 defaulttablemodel dtm = (defaulttablemodel)booktable.getmodel(); 
 //清空表 
 while(dtm.getrowcount()>0){ 
  dtm.removerow(0); 
 } 
 //加载数据 
 set<integer>set = map.keyset(); 
 for(integer i:set){ 
  bookbean bean = map.get(i); 
  vector v = new vector(); 
  v.add(bean.getid()); 
  v.add(bean.getbookname()); 
  v.add(bean.getbooktype()); 
  v.add(bean.getmoney()); 
  v.add(bean.getmemo()); 
  dtm.addrow(v); 
 } 
 } 
 //获取类别管理的所有类别 
 public void inittype(){ 
 set<integer> set = map1.keyset(); 
 defaultcomboboxmodel dcm = (defaultcomboboxmodel)btype.getmodel(); 
 dcm.removeallelements(); 
 for(integer i:set){ 
  typebean bean = map1.get(i); 
  dcm.addelement(bean.gettypename()); 
 } 
 
 } 
 private void jbutton2actionperformed(java.awt.event.actionevent evt) {      
 // 保存功能 
  //先保存文本框里的值 
 string id = bid.gettext(); 
 string bookname = bname.gettext(); 
 string booktype = (string) btype.getselecteditem(); 
 string memo = bmemo.gettext(); 
 string money = bmoney.gettext(); 
 
 //封装成对象 
 bookbean bean = new bookbean(); 
 
 bean.setid(integer.parseint(id)); 
 bean.setbookname(bookname); 
 bean.setbooktype(booktype); 
 bean.setmemo(memo); 
 bean.setmoney(money); 
 
 //将bean放到map里面 
  // map<integer,typebean>map = new hashmap<integer,typebean>(); 
 map.put(integer.parseint(id), bean); 
 //将map放到文件里面 
 bookdao.writebook(map); 
 //刷新table 
 initdata(); 
 }      
 
 private void jbutton1actionperformed(java.awt.event.actionevent evt) {      
  // 新增时，将文本框里的信息进行清空，并将序列号置为可编辑。 
 bid.setenabled(true); 
 
 bid.settext(""); 
 bname.settext(""); 
 btype.setselecteditem(""); 
 bmemo.settext(""); 
 bmoney.settext(""); 
 
 }      
 
 private void booktablemouseclicked(java.awt.event.mouseevent evt) {      
 //获取选中行号及序列号 
 int currentrow = booktable.getselectedrow(); 
 //bookbean bean = map.get( currentrow); 
  // 将选中的行，显示到信息栏中 
 bid.settext((integer) booktable.getvalueat(currentrow, 0)+""); 
 bname.settext((string) booktable.getvalueat(currentrow, 1)); 
 btype.setselecteditem((string) booktable.getvalueat(currentrow, 2)); 
 bmoney.settext((string) booktable.getvalueat(currentrow, 3)); 
 bmemo.settext((string) booktable.getvalueat(currentrow, 4)); 
 
 //bmemo.settext(bean.getmemo()); 
 
 bid.setenabled(false); //序号框不可编辑 
 }     
 
 private void jbutton4actionperformed(java.awt.event.actionevent evt) {      
  // 删除操作 
 //获取选中行号及序列号 
 int currentrow = booktable.getselectedrow(); 
 int id = (integer)booktable.getvalueat(currentrow, 0); 
 map.remove(id); 
 bookdao.writebook(map); 
 joptionpane.showmessagedialog(this,"类别删除成功"); 
 initdata(); 
 }      
 
 private void btypeactionperformed(java.awt.event.actionevent evt) {     
 // todo add your handling code here: 
}     
 
 private void jbutton3actionperformed(java.awt.event.actionevent evt) {      
 // 更新操作 
 //先保存文本框里的值 
 int currentrow = booktable.getselectedrow(); 
 int id = (integer) booktable.getvalueat(currentrow, 0); 
 
 string bookname = bname.gettext(); 
 string booktype = (string) btype.getselecteditem(); 
 string memo = bmemo.gettext(); 
 string money = bmoney.gettext(); 
 //封装成对象 
 bookbean bean = new bookbean(); 
 bean.setid(id); 
 bean.setbookname(bookname); 
 bean.setbooktype(booktype); 
 bean.setmemo(memo); 
 bean.setmoney(money); 
 
 //将bean放到map里面 
  // map<integer,typebean>map = new hashmap<integer,typebean>(); 
 map.put(id, bean); 
 //将map放到文件里面 
 bookdao.writebook(map); 
 //刷新table 
 joptionpane.showmessagedialog(this,"类别更新成功"); 
 initdata(); 
 }      
 
 /** 
 * @param args the command line arguments 
 */ 
 public static void main(string args[]) { 
 java.awt.eventqueue.invokelater(new runnable() { 
  public void run() { 
  new bookform().setvisible(true); 
  } 
 }); 
 } 
 
 // variables declaration - do not modify   
 private javax.swing.jtextfield bid; 
 private javax.swing.jtextfield bmemo; 
 private javax.swing.jtextfield bmoney; 
 private javax.swing.jtextfield bname; 
 private javax.swing.jtable booktable; 
 private javax.swing.jcombobox btype; 
 private javax.swing.jbutton jbutton1; 
 private javax.swing.jbutton jbutton2; 
 private javax.swing.jbutton jbutton3; 
 private javax.swing.jbutton jbutton4; 
 private javax.swing.jlabel jlabel1; 
 private javax.swing.jlabel jlabel2; 
 private javax.swing.jlabel jlabel3; 
 private javax.swing.jlabel jlabel4; 
 private javax.swing.jlabel jlabel5; 
 private javax.swing.jpanel jpanel1; 
 private javax.swing.jpanel jpanel2; 
 private javax.swing.jscrollpane jscrollpane1; 
 // end of variables declaration   
 
} 

typeform.java

/* 
 * to change this template, choose tools | templates 
 * and open the template in the editor. 
 */ 
 
/* 
 * typeform.java 
 * 
 * created on 2013-2-26, 19:07:51 
 */ 
 
package com.liu.view; 
import com.liu.dao.typedao; 
import com.liu.po.typebean; 
import java.util.hashmap; 
import java.util.map; 
import java.util.set; 
import java.util.vector; 
import javax.swing.joptionpane; 
import javax.swing.table.defaulttablemodel; 
 
/** 
 * 
 * @author asus 
 */ 
public class typeform extends javax.swing.jframe { 
 
 private typedao typedao; 
 private map<integer,typebean> map; 
 /** creates new form typeform */ 
 public typeform() { 
 initcomponents(); 
 typedao = new typedao(); 
 map = typedao.readtype(); 
 initdata(); 
 } 
 
 /** this method is called from within the constructor to 
 * initialize the form. 
 * warning: do not modify this code. the content of this method is 
 * always regenerated by the form editor. 
 */ 
 @suppresswarnings("unchecked") 
 // <editor-fold defaultstate="collapsed" desc="generated code">    
 private void initcomponents() { 
 
 jpanel1 = new javax.swing.jpanel(); 
 jscrollpane1 = new javax.swing.jscrollpane(); 
 typetable = new javax.swing.jtable(); 
 jpanel2 = new javax.swing.jpanel(); 
 jlabel1 = new javax.swing.jlabel(); 
 jlabel2 = new javax.swing.jlabel(); 
 jlabel3 = new javax.swing.jlabel(); 
 tid = new javax.swing.jtextfield(); 
 tname = new javax.swing.jtextfield(); 
 jscrollpane2 = new javax.swing.jscrollpane(); 
 tmemo = new javax.swing.jtextarea(); 
 jbutton1 = new javax.swing.jbutton(); 
 jbutton3 = new javax.swing.jbutton(); 
 jbutton4 = new javax.swing.jbutton(); 
 jbutton5 = new javax.swing.jbutton(); 
 
 settitle("类型管理"); 
 setbounds(new java.awt.rectangle(100, 50, 0, 0)); 
 seticonimage(new javax.swing.imageicon(getclass().getresource("/com/liu/resouce/logo.jpg")).getimage()); 
 
 typetable.setfont(new java.awt.font("宋体", 0, 18)); 
 typetable.setmodel(new javax.swing.table.defaulttablemodel( 
  new object [][] { 
  {null, null, null}, 
  {null, null, null}, 
  {null, null, null}, 
  {null, null, null} 
  }, 
  new string [] { 
  "序号", "类别名称", "备注" 
  } 
 ) { 
  class[] types = new class [] { 
  java.lang.integer.class, java.lang.string.class, java.lang.string.class 
  }; 
  boolean[] canedit = new boolean [] { 
  false, false, false 
  }; 
 
  public class getcolumnclass(int columnindex) { 
  return types [columnindex]; 
  } 
 
  public boolean iscelleditable(int rowindex, int columnindex) { 
  return canedit [columnindex]; 
  } 
 }); 
 typetable.setcolumnselectionallowed(true); 
 typetable.addmouselistener(new java.awt.event.mouseadapter() { 
  public void mouseclicked(java.awt.event.mouseevent evt) { 
  typetablemouseclicked(evt); 
  } 
 }); 
 typetable.addcontainerlistener(new java.awt.event.containeradapter() { 
  public void componentadded(java.awt.event.containerevent evt) { 
  typetablecomponentadded(evt); 
  } 
 }); 
 jscrollpane1.setviewportview(typetable); 
 typetable.getcolumnmodel().getselectionmodel().setselectionmode(javax.swing.listselectionmodel.single_interval_selection); 
 typetable.getcolumnmodel().getcolumn(0).setresizable(false); 
 typetable.getcolumnmodel().getcolumn(2).setresizable(false); 
 
 jpanel2.setborder(javax.swing.borderfactory.createtitledborder(null, "类别信息", javax.swing.border.titledborder.default_justification, javax.swing.border.titledborder.default_position, new java.awt.font("宋体", 0, 18))); // noi18n 
 
 jlabel1.setfont(new java.awt.font("宋体", 0, 18)); 
 jlabel1.settext("序号："); 
 
 jlabel2.setfont(new java.awt.font("宋体", 0, 18)); 
 jlabel2.settext("类别名称："); 
 
 jlabel3.setfont(new java.awt.font("宋体", 0, 18)); 
 jlabel3.settext("备注："); 
 
 tid.setfont(new java.awt.font("宋体", 0, 18)); 
 tid.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  tidactionperformed(evt); 
  } 
 }); 
 
 tname.setfont(new java.awt.font("宋体", 0, 18)); 
 
 tmemo.setcolumns(20); 
 tmemo.setfont(new java.awt.font("monospaced", 0, 18)); 
 tmemo.setrows(5); 
 jscrollpane2.setviewportview(tmemo); 
 
 jbutton1.settext("保存"); 
 jbutton1.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jbutton1actionperformed(evt); 
  } 
 }); 
 
 jbutton3.settext("更新"); 
 jbutton3.addmouselistener(new java.awt.event.mouseadapter() { 
  public void mouseclicked(java.awt.event.mouseevent evt) { 
  jbutton3mouseclicked(evt); 
  } 
 }); 
 jbutton3.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jbutton3actionperformed(evt); 
  } 
 }); 
 
 jbutton4.settext("删除"); 
 jbutton4.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jbutton4actionperformed(evt); 
  } 
 }); 
 
 jbutton5.settext("新增"); 
 jbutton5.addactionlistener(new java.awt.event.actionlistener() { 
  public void actionperformed(java.awt.event.actionevent evt) { 
  jbutton5actionperformed(evt); 
  } 
 }); 
 
 javax.swing.grouplayout jpanel2layout = new javax.swing.grouplayout(jpanel2); 
 jpanel2.setlayout(jpanel2layout); 
 jpanel2layout.sethorizontalgroup( 
  jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(jpanel2layout.createsequentialgroup() 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
   .addgroup(jpanel2layout.createsequentialgroup() 
   .addgap(39, 39, 39) 
   .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
    .addgroup(jpanel2layout.createsequentialgroup() 
    .addpreferredgap(javax.swing.layoutstyle.componentplacement.related) 
    .addcomponent(jlabel2, javax.swing.grouplayout.preferred_size, 90, javax.swing.grouplayout.preferred_size) 
    .addpreferredgap(javax.swing.layoutstyle.componentplacement.unrelated) 
    .addcomponent(tname, javax.swing.grouplayout.default_size, 341, short.max_value)) 
    .addgroup(jpanel2layout.createsequentialgroup() 
    .addpreferredgap(javax.swing.layoutstyle.componentplacement.related) 
    .addcomponent(jlabel3) 
    .addpreferredgap(javax.swing.layoutstyle.componentplacement.related) 
    .addcomponent(jscrollpane2, javax.swing.grouplayout.preferred_size, 383, javax.swing.grouplayout.preferred_size)) 
    .addgroup(jpanel2layout.createsequentialgroup() 
    .addcomponent(jlabel1) 
    .addpreferredgap(javax.swing.layoutstyle.componentplacement.related) 
    .addcomponent(tid, javax.swing.grouplayout.default_size, 383, short.max_value)))) 
   .addgroup(jpanel2layout.createsequentialgroup() 
   .addgap(70, 70, 70) 
   .addcomponent(jbutton5, javax.swing.grouplayout.preferred_size, 69, javax.swing.grouplayout.preferred_size) 
   .addgap(41, 41, 41) 
   .addcomponent(jbutton1, javax.swing.grouplayout.preferred_size, 68, javax.swing.grouplayout.preferred_size) 
   .addgap(37, 37, 37) 
   .addcomponent(jbutton3, javax.swing.grouplayout.preferred_size, 68, javax.swing.grouplayout.preferred_size) 
   .addpreferredgap(javax.swing.layoutstyle.componentplacement.related, 40, short.max_value) 
   .addcomponent(jbutton4, javax.swing.grouplayout.preferred_size, 67, javax.swing.grouplayout.preferred_size) 
   .addgap(20, 20, 20))) 
  .addgap(83, 83, 83)) 
 ); 
 jpanel2layout.setverticalgroup( 
  jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(jpanel2layout.createsequentialgroup() 
  .addgap(31, 31, 31) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
   .addcomponent(jlabel1, javax.swing.grouplayout.preferred_size, 21, javax.swing.grouplayout.preferred_size) 
   .addcomponent(tid, javax.swing.grouplayout.preferred_size, 34, javax.swing.grouplayout.preferred_size)) 
  .addgap(27, 27, 27) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
   .addcomponent(jlabel2, javax.swing.grouplayout.preferred_size, 21, javax.swing.grouplayout.preferred_size) 
   .addcomponent(tname, javax.swing.grouplayout.preferred_size, 34, javax.swing.grouplayout.preferred_size)) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
   .addgroup(jpanel2layout.createsequentialgroup() 
   .addgap(45, 45, 45) 
   .addcomponent(jlabel3)) 
   .addgroup(jpanel2layout.createsequentialgroup() 
   .addgap(24, 24, 24) 
   .addcomponent(jscrollpane2, javax.swing.grouplayout.preferred_size, 92, javax.swing.grouplayout.preferred_size))) 
  .addgap(35, 35, 35) 
  .addgroup(jpanel2layout.createparallelgroup(javax.swing.grouplayout.alignment.baseline) 
   .addcomponent(jbutton5, javax.swing.grouplayout.preferred_size, 34, javax.swing.grouplayout.preferred_size) 
   .addcomponent(jbutton1, javax.swing.grouplayout.preferred_size, 33, javax.swing.grouplayout.preferred_size) 
   .addcomponent(jbutton3, javax.swing.grouplayout.preferred_size, 32, javax.swing.grouplayout.preferred_size) 
   .addcomponent(jbutton4, javax.swing.grouplayout.preferred_size, 33, javax.swing.grouplayout.preferred_size)) 
  .addgap(18, 18, 18)) 
 ); 
 
 javax.swing.grouplayout jpanel1layout = new javax.swing.grouplayout(jpanel1); 
 jpanel1.setlayout(jpanel1layout); 
 jpanel1layout.sethorizontalgroup( 
  jpanel1layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(jpanel1layout.createsequentialgroup() 
  .addgap(66, 66, 66) 
  .addcomponent(jpanel2, javax.swing.grouplayout.preferred_size, javax.swing.grouplayout.default_size, javax.swing.grouplayout.preferred_size) 
  .addcontainergap(55, short.max_value)) 
  .addcomponent(jscrollpane1, javax.swing.grouplayout.default_size, 696, short.max_value) 
 ); 
 jpanel1layout.setverticalgroup( 
  jpanel1layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(jpanel1layout.createsequentialgroup() 
  .addcomponent(jscrollpane1, javax.swing.grouplayout.preferred_size, 177, javax.swing.grouplayout.preferred_size) 
  .addgap(18, 18, 18) 
  .addcomponent(jpanel2, javax.swing.grouplayout.default_size, 361, short.max_value) 
  .addcontainergap()) 
 ); 
 
 javax.swing.grouplayout layout = new javax.swing.grouplayout(getcontentpane()); 
 getcontentpane().setlayout(layout); 
 layout.sethorizontalgroup( 
  layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addcomponent(jpanel1, javax.swing.grouplayout.preferred_size, javax.swing.grouplayout.default_size, javax.swing.grouplayout.preferred_size) 
 ); 
 layout.setverticalgroup( 
  layout.createparallelgroup(javax.swing.grouplayout.alignment.leading) 
  .addgroup(layout.createsequentialgroup() 
  .addcomponent(jpanel1, javax.swing.grouplayout.preferred_size, javax.swing.grouplayout.default_size, javax.swing.grouplayout.preferred_size) 
  .addcontainergap(javax.swing.grouplayout.default_size, short.max_value)) 
 ); 
 
 pack(); 
 }// </editor-fold>    
 
 //表格数据的初始化 
 public void initdata(){ 
 //加载数据 
 defaulttablemodel dtm = (defaulttablemodel)typetable.getmodel(); 
 //清空表 
 while(dtm.getrowcount()>0){ 
  dtm.removerow(0); 
 } 
 //加载数据 
 set<integer>set = map.keyset(); 
 for(integer i:set){ 
  typebean bean = map.get(i); 
  vector v = new vector(); 
  v.add(bean.getid()); 
  v.add(bean.gettypename()); 
  v.add(bean.getmemo()); 
  dtm.addrow(v); 
 } 
 } 
 
 private void tidactionperformed(java.awt.event.actionevent evt) {     
 // todo add your handling code here: 
}     
 
 private void jbutton1actionperformed(java.awt.event.actionevent evt) {      
 //保存类型操作 
 //先保存文本框里的值 
 string id = tid.gettext(); 
 string typename = tname.gettext(); 
 string memo = tmemo.gettext(); 
 //封装成对象 
 typebean bean = new typebean(); 
 bean.setid(integer.parseint(id)); 
 bean.setmemo(memo); 
 bean.settypename(typename); 
 //将bean放到map里面 
  // map<integer,typebean>map = new hashmap<integer,typebean>(); 
 map.put(integer.parseint(id), bean); 
 //将map放到文件里面 
 typedao.writetype(map); 
 //刷新table 
 initdata(); 
 }      
 
 private void typetablecomponentadded(java.awt.event.containerevent evt) {      
 // todo add your handling code here: 
}      
 
 private void jbutton4actionperformed(java.awt.event.actionevent evt) {      
 // 删除操作 
 //获取选中行号及序列号 
 int currentrow = typetable.getselectedrow(); 
 int id = (integer)typetable.getvalueat(currentrow, 0); 
 map.remove(id); 
 typedao.writetype(map); 
 joptionpane.showmessagedialog(this,"类别删除成功"); 
 initdata(); 
 }      
 
 private void jbutton3mouseclicked(java.awt.event.mouseevent evt) {     
 
 
 }     
 
 private void jbutton3actionperformed(java.awt.event.actionevent evt) {      
 // 更新操作 
 //先保存文本框里的值 
 int currentrow = typetable.getselectedrow(); 
 int id = (integer) typetable.getvalueat(currentrow, 0); 
  
 string typename = tname.gettext(); 
 string memo = tmemo.gettext(); 
 //封装成对象 
 typebean bean = new typebean(); 
 bean.setid(id); 
 bean.setmemo(memo); 
 bean.settypename(typename); 
 //将bean放到map里面 
  // map<integer,typebean>map = new hashmap<integer,typebean>(); 
 map.put(id, bean); 
 //将map放到文件里面 
 typedao.writetype(map); 
 //刷新table 
 joptionpane.showmessagedialog(this,"类别更新成功"); 
 initdata(); 
 }      
 
 private void typetablemouseclicked(java.awt.event.mouseevent evt) {      
  //获取选中行号及序列号 
 int currentrow = typetable.getselectedrow(); 
  // 将选中的行，显示到信息栏中 
 tid.settext((integer) typetable.getvalueat(currentrow, 0)+""); 
 tname.settext((string) typetable.getvalueat(currentrow, 1)); 
 tmemo.settext((string) typetable.getvalueat(currentrow, 2)); 
 
 tid.setenabled(false); //序号框不可编辑 
 
 }     
 
 private void jbutton5actionperformed(java.awt.event.actionevent evt) {      
 // 新增时，将文本框里的信息进行清空，并将序列号置为可编辑。 
 tid.setenabled(true); 
 tid.settext(""); 
 tname.settext(""); 
 tmemo.settext(""); 
 
 }      
 
 /** 
 * @param args the command line arguments 
 */ 
 public static void main(string args[]) { 
 java.awt.eventqueue.invokelater(new runnable() { 
  public void run() { 
  new typeform().setvisible(true); 
  } 
 }); 
 } 
 
 // variables declaration - do not modify   
 private javax.swing.jbutton jbutton1; 
 private javax.swing.jbutton jbutton3; 
 private javax.swing.jbutton jbutton4; 
 private javax.swing.jbutton jbutton5; 
 private javax.swing.jlabel jlabel1; 
 private javax.swing.jlabel jlabel2; 
 private javax.swing.jlabel jlabel3; 
 private javax.swing.jpanel jpanel1; 
 private javax.swing.jpanel jpanel2; 
 private javax.swing.jscrollpane jscrollpane1; 
 private javax.swing.jscrollpane jscrollpane2; 
 private javax.swing.jtextfield tid; 
 private javax.swing.jtextarea tmemo; 
 private javax.swing.jtextfield tname; 
 private javax.swing.jtable typetable; 
 // end of variables declaration   
 
} 

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。