Java实现酒店客房管理系统

本文实例为大家分享了java实现酒店客房管理系统的具体代码，供大家参考，具体内容如下

loginframe.java

package loginmanage;

import java.awt.color;
import java.awt.eventqueue;
import java.awt.event.actionevent;
import java.awt.event.actionlistener;

import javax.swing.jbutton;
import javax.swing.jframe;
import javax.swing.jlabel;
import javax.swing.joptionpane;
import javax.swing.jpasswordfield;
import javax.swing.jtextfield;

import com.mysql.jdbc.connection;
import com.mysql.jdbc.preparedstatement;
import com.mysql.jdbc.resultset;
import com.swtdesigner.swingresourcemanager;

import db.jdbc;
public class loginframe {

 private jlabel label;
 private jbutton button;
 private jbutton btnregister;
 private jbutton btnreset;
 private jbutton btnlogin;
 private jlabel labpwd;
 private jlabel labusername;
 private jpasswordfield textpwd;
 private jtextfield textusername;
 public jframe frame;

 
 public static void main(string args[]) {
 eventqueue.invokelater(new runnable() {
  public void run() {
  try {
   loginframe window = new loginframe();
   
   window.frame.setvisible(true);
  } catch (exception e) {
   e.printstacktrace();
  }
  }
 });
 }

 
 public loginframe() {
 createcontents();
 }

 
 private void createcontents() {
 frame = new jframe();
 frame.settitle("登录");
 frame.getcontentpane().setfocuscycleroot(true);
 frame.getcontentpane().setbackground(color.light_gray);
 frame.getcontentpane().setlayout(null);
 frame.setbounds(400, 150, 490, 375);
 frame.setdefaultcloseoperation(jframe.exit_on_close);

 btnlogin = new jbutton();
 btnlogin.addactionlistener(new actionlistener() {
  public void actionperformed(final actionevent arg0) {
  string name = textusername.gettext().trim();
  string password = textpwd.gettext().trim();
  connection conn = null;
  preparedstatement pstmt=null;
  resultset rs=null;
  int flag=0;
  if(name.equals("")||password.equals("")){
   flag=2;
  }
  int right=0;
  try {
   string sql = "select * from login where username=?";
    conn = (connection)jdbc.getconnection();
    pstmt= (preparedstatement)conn.preparestatement(sql);
    pstmt.setstring(1, name);
    rs=(resultset) pstmt.executequery();
    while(rs.next()){
     string username=rs.getstring("username");
     string password=rs.getstring("password");
     right=rs.getint("admin");
     if(username.equals(name)&&password.equals(password)){
     flag = 1;
     }
    }
    switch(flag){
     case 1:
     if((right==1)){
       backrun admin = new backrun();
       admin.frame.setvisible(true);
       frame.setvisible(false);
       break;
      }else{
       frontrun admin= new frontrun();
       admin.frame.setvisible(true);
       frame.setvisible(false);
       break;
     }
     case 2:
    joptionpane.showmessagedialog(btnlogin ,"用户名或密码不能为空,请您重新输入！");
       break;
     default: 
       joptionpane.showmessagedialog(btnlogin ,"用户名或密码 不正确,请您重新输入！");
       break;

     }
     
     
     
    } catch (exception e) {
   e.printstacktrace();
   }
    
   
   
  
  }
 });
 
  
  
 btnlogin.settext(" 登陆");
 btnlogin.setbounds(75, 215, 83, 28);
 frame.getcontentpane().add(btnlogin);

 btnreset = new jbutton();
 btnreset.addactionlistener(new actionlistener() {
  public void actionperformed(final actionevent arg0) {
  textusername.settext("");
  textpwd.settext("");
  
  }
 });
 btnreset.settext("重置");
 btnreset.setbounds(195, 215, 83, 28);
 frame.getcontentpane().add(btnreset);

 labusername = new jlabel();
 labusername.settext("用户名：");
 labusername.setbounds(75, 130, 52, 18);
 frame.getcontentpane().add(labusername);

 labpwd = new jlabel();
 labpwd.settext("密  码：");
 labpwd.setbounds(75, 175, 66, 18);
 frame.getcontentpane().add(labpwd);

 textusername = new jtextfield();
 textusername.setbounds(145, 130, 188, 22);
 frame.getcontentpane().add(textusername);

 textpwd = new jpasswordfield();
 textpwd.setbounds(145, 170, 188, 22);
 frame.getcontentpane().add(textpwd);

 btnregister = new jbutton();
 btnregister.addactionlistener(new actionlistener() {
  public void actionperformed(final actionevent arg0) {
  register rs = new register();
  rs.frame.setvisible(true);
  }
 });
 btnregister.settext("注册");
 btnregister.setbounds(270, 270, 81, 28);
 frame.getcontentpane().add(btnregister);

 button = new jbutton();
 button.addactionlistener(new actionlistener() {
  public void actionperformed(final actionevent arg0) {
  system.exit(0);
  }
 });
 button.settext("退出");
 button.setbounds(310, 215, 83, 28);
 frame.getcontentpane().add(button);

 label = new jlabel();
 label.settext("还没有账号？赶快点击注册吧!");
 label.setbounds(85, 275, 181, 33);
 frame.getcontentpane().add(label);

} 
}

register.java

package loginmanage;

import java.awt.color;
import java.awt.component;
import java.awt.eventqueue;
import java.awt.event.actionevent;
import java.awt.event.actionlistener;
import java.sql.connection;
import java.sql.drivermanager;
import java.sql.sqlexception;

import javax.swing.jbutton;
import javax.swing.jframe;
import javax.swing.jlabel;
import javax.swing.joptionpane;
import javax.swing.jpasswordfield;
import javax.swing.jtextfield;

import com.mysql.jdbc.preparedstatement;
import com.swtdesigner.swingresourcemanager;
public class register {
 private jbutton button;
 private jbutton btnregister;
 private jlabel labpwd;
 private jlabel labusername;
 private jpasswordfield textpwd;
 private jtextfield textusername;
 public jframe frame;
  public boolean flag=false; 
 
 public static void main(string args[]) {
 eventqueue.invokelater(new runnable() {
  public void run() {
  try {
   register window = new register();
   
   window.frame.setvisible(true);
  } catch (exception e) {
   e.printstacktrace();
  }
  }
 });
 }

 
 public register() {
 createcontents();
 }

 
 private void createcontents() {
 
 
 frame = new jframe();
 frame.getcontentpane().setfocuscycleroot(true);
 frame.getcontentpane().setbackground(color.light_gray);
 frame.getcontentpane().setlayout(null);
 frame.setbounds(350, 150, 500, 375);
 frame.setdefaultcloseoperation(jframe.exit_on_close);

 labusername = new jlabel();
 labusername.settext("用户名：");
 labusername.setbounds(109, 182, 52, 18);
 frame.getcontentpane().add(labusername);

 labpwd = new jlabel();
 labpwd.settext("密  码：");
 labpwd.setbounds(109, 224, 66, 18);
 frame.getcontentpane().add(labpwd);

 textusername = new jtextfield();
 textusername.setbounds(190, 180, 188, 22);
 frame.getcontentpane().add(textusername);

 textpwd = new jpasswordfield();
 textpwd.setbounds(190, 222, 188, 22);
 frame.getcontentpane().add(textpwd);

 btnregister = new jbutton();
 btnregister.addactionlistener(new actionlistener() {
  @suppresswarnings("deprecation")
  public void actionperformed(final actionevent arg0) {

  preparedstatement st=null;
  connection con =null;
  string sqlstr="insert into login(username,password) values(?,?)";
  try {
   class.forname("com.mysql.jdbc.driver");
  } catch (classnotfoundexception e1) {
   e1.printstacktrace();
  }
  try {
   con = drivermanager.getconnection("jdbc:mysql://localhost:3306/hotel","root","125800");
   st = (preparedstatement) con.preparestatement(sqlstr);

  } catch (sqlexception e1) {
   e1.printstacktrace();
  }
  
  string name = textusername.gettext().trim();
  string password = textpwd.gettext().trim(); 
  if(name.equals("")||password.equals("")){
   joptionpane.showmessagedialog(btnregister ,"用户名或密码不能为空,请您重新输入！");

  }else{
  try {
   st.setstring(1,name);
   st.setstring(2,password);
   st.execute();
   flag=true;
   if(flag){
   joptionpane.showmessagedialog(btnregister, "注册成功\n点确定返回登录界面");
   loginframe backmain=new loginframe();
   backmain.frame.setvisible(true);
   frame.setvisible(false);
   }else{
   joptionpane.showmessagedialog(btnregister, "注册失败\n点确定返回登录界面");
   }
  } catch (sqlexception e) {
   e.printstacktrace();
  }
  }
//   joptionpane.showmessagedialog(btnregister, "注册成功\n点确定返回登录界面");
//   loginframe backmain=new loginframe();
//   backmain.frame.setvisible(true);
//   frame.setvisible(false);

    try {
   st.close();
   con.close();

  } catch (sqlexception e1) {
   e1.printstacktrace();
  }
     

  }
 });
 btnregister.settext("提交");
 btnregister.setbounds(162, 268, 95, 28);
 frame.getcontentpane().add(btnregister);

 button = new jbutton();
 button.addactionlistener(new actionlistener() {
  public void actionperformed(final actionevent arg0) {
    frame.setvisible(false);

  }
 });
 button.settext("返回");
 button.setbounds(283, 268, 95, 28);
 frame.getcontentpane().add(button);

 final jlabel label = new jlabel();
 label.seticon(swingresourcemanager.geticon(register.class, "/648.gif"));
 label.setbounds(0, 0, 492, 341);
 frame.getcontentpane().add(label);
// frame.getcontentpane().setfocustraversalpolicy(new focustraversalonarray(new component[] {labusername, labpwd, btnregister, textusername, textpwd, button}));

 }


}

完整代码：java实现酒店客房管理系统

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。