本文实例为大家分享了java gui学生图书管理的具体代码，供大家参考，具体内容如下
– mysql数据库建表：
1.book表
2.bs借书记录表
3.std学生表
4.dl登录用户表
.
– 列表内容
1.databd.java //程序入口及登录验证
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import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import javax.swing.*;
import javax.swing.border.emptyborder;
public class databd extends jframe implements actionlistener{
static framedemo a=null;
string getuser="";
string getpd="";
string sql = "select * from dl where id='";
string sql1 = "select password from dl where password='";
jbutton btnnewbutton = new jbutton("登录");
jbutton btnnewbutton_1 = new jbutton("注册");
jtextfield show=new jtextfield("\\t 请选择按钮",10);
private jpanel contentpane;
private jtextfield userfield;
private jpasswordfield pwdfield;
private statement statement = null; //查询账号
private statement statement2 = null; //注册账户
private static databd frame; //
resultset rst2=null;
public static void main(string[] args) {
eventqueue.invokelater(new runnable() {
public void run() {
try {
frame = new databd();
frame.setvisible(true);
} catch (exception e) {
e.printstacktrace();
}
}
});
}
public databd() {
string driver = "com.mysql.jdbc.driver";
string url = "jdbc:mysql://localhost:8088/library?useunicode=true&characterencoding=utf-8&usessl=false";
string user = "root";
string password = "11111";
try{
class.forname(driver);
connection conn = drivermanager.getconnection(url, user, password);
connection conn2 = drivermanager.getconnection(url, user, password);
statement = conn.createstatement();
statement2 = conn2.createstatement(resultset.type_scroll_sensitive,resultset.concur_updatable);
rst2=statement2.executequery("select * from dl");
show.seteditable(false);
setdefaultcloseoperation(jframe.exit_on_close);
setsize(250, 200);
setlocationrelativeto(null);
contentpane = new jpanel();
contentpane.setborder(new emptyborder(5, 5, 5, 5));
contentpane.setlayout(null);
add(contentpane);
jlabel lblusername = new jlabel("账号");
lblusername.setbounds(12, 13, 54, 15);
contentpane.add(lblusername);
jlabel lblpassword = new jlabel("密码");
lblpassword.setbounds(12, 38, 54, 15);
contentpane.add(lblpassword);
userfield = new jtextfield();
userfield.setbounds(76, 10, 144, 21);
contentpane.add(userfield);
userfield.setcolumns(10);
pwdfield = new jpasswordfield();
pwdfield.setechochar('*'); //密码回显字符
pwdfield.setbounds(76, 35, 144, 21);
contentpane.add(pwdfield);
pwdfield.setcolumns(10);
add(show,borderlayout.south);
btnnewbutton.addactionlistener(this); //登录
btnnewbutton.setbounds(10, 92, 93, 23);
contentpane.add(btnnewbutton);
btnnewbutton_1.addactionlistener(this); //注册
btnnewbutton_1.setbounds(127, 92, 93, 23);
contentpane.add(btnnewbutton_1);
show.addactionlistener(this);
}catch(classnotfoundexception e){system.out.print("不能找到驱动器");
}catch(exception e){system.out.print("出现错误");e.printstacktrace();}
}
public void actionperformed(actionevent e) {
getuser=userfield.gettext().trim()+"'";
string pd=string.valueof(pwdfield.getpassword());
try{
resultset rs=statement.executequery(sql+getuser);
if(e.getsource()==btnnewbutton){ //登录
if(rs.next()){
if(rs.getstring(2).equals(pd)){
frame.setvisible(false);
joptionpane.showmessagedialog(null, "登录成功");
uimanager.setlookandfeel(uimanager.getsystemlookandfeelclassname());
a=framedemo.a; //生成静态对象
}else show.settext("\\t 密码错误");
}
else
show.settext("\\t 账号不存在");
}
else if(e.getsource()==btnnewbutton_1){ //注册
if(userfield.gettext().equals("")){
show.settext("\\t 注册账号不能为空");}
else {
if((string.valueof(pwdfield.getpassword())).equals(""))
show.settext("\\t 注册密码不能为空");
else {register();}
}
}
}catch(exception c){c.printstacktrace();}
}
private void register(){
string name=userfield.gettext(),
passwd=string.valueof(pwdfield.getpassword());
try{
rst2.movetoinsertrow();
rst2.updatestring(1, name);
rst2.updatestring(2, passwd);
rst2.insertrow();
rst2.movetocurrentrow();
show.settext("\\t 注册成功");
}catch(exception e){show.settext("\\t 注册失败");}
}
}
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2.framedemo //主框架，处理事件交给addinformation类
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