【发布时间】：2015-11-04 04:29:09
【问题描述】：
需要一些帮助，我正在处理一个项目，我才开始使用 eclipse，当我运行程序时，我无法在屏幕上弹出 gui 我只是想看看它到目前为止的外观如何答案将显示下面的代码，所有帮助都赞赏它也分为 3 个类，并且一些方法还没有完成，但是所有方法都被调用和创建，所以它说没有错误 ///////////////////////////////////////// //////////////////
public class Car {
String carReg ="";
String make;
String model;
String price;
public Car(String carReg, String make, String model, String price)
{
this.carReg=carReg;
this.make=make;
this.model=model;
this.price=price;
}
/*
getters and setters
*/
public String getcarReg() {
return carReg;
}
public void setcarReg(String reg) {
carReg=reg;
}
public String getprice() {
return price;
}
public void setprice(String pri) {
price=pri;
}
public String getmodel() {
return model;
}
public void setmodel(String mod) {
model=mod;
}
public String getMake() {
return make;
}
public void setMake(String mk) {
make=mk;
}
}
/////////////////////////////////////
import javax.swing.*;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class Menu {
GarageManager gm = new GarageManager();
private static Icon myIcon = new ImageIcon("..\\CarGarage\\src\\ie.wit.CarGarage\\cargarage.jpg");
public Menu() {
String option = "";
do {
JLabel addl = new JLabel("1.Add A Car To Stock");
JLabel removel = new JLabel("2.Remove a Car From Stock");
JLabel viewl = new JLabel("3.View All Car's In Stock");
JLabel updatel = new JLabel("4.Update A Car In Stock");
JLabel exitl = new JLabel("5.Exit System");
JTextField userChoiceTextField = new JTextField();
Object [] MainMenu = new Object[7];
MainMenu[0]= myIcon;
MainMenu[1]= addl;
MainMenu[2]= removel;
MainMenu[3]= viewl;
MainMenu[4]= updatel;
MainMenu[5]= exitl;
MainMenu[6]= userChoiceTextField;
JOptionPane.showMessageDialog(null, MainMenu);
option = userChoiceTextField.getText();
switch(option)
{
case "1":
break;
case "2":
break;
case "3":
break;
case "4":
break;
case "5":
break;
default: break;
}
if(option =="1");
{
JLabel carRegl = new JLabel("Please Enter Car Registration");
JLabel makel = new JLabel("Please Enter Car Make");
JLabel modell = new JLabel("Please Enter Car Model");
JLabel pricel = new JLabel("Please Enter Car Price");
/////////////////////////////////////////////////
JTextField JcarReg= new JTextField();
JTextField Jmake= new JTextField();
JTextField Jmodel= new JTextField();
JTextField Jprice= new JTextField();
////////////////////////////////////////////////
Object [] addCarA = new Object[9];
////////////////////////////////////////////////
addCarA[0] = myIcon;
addCarA[1] = carRegl;
addCarA[2] = JcarReg;
addCarA[3] = makel;
addCarA[4] = Jmake;
addCarA[5] = modell;
addCarA[6] = Jmodel;
addCarA[7] = pricel;
addCarA[8] = Jprice;
JOptionPane.showMessageDialog(null, addCarA);
String carReg1 = JcarReg.getText();
String make1 = Jmake.getText();
String model1 = Jmodel.getText();
String price1 = Jprice.getText();
String allCars="Car Registration: "+carReg1+ "\n Make:"+make1+ "\n Model:"+model1+ "\n Price:"+price1;
Car carNew = new Car(carReg1, make1, model1, price1);
boolean carTest = gm.addCar(carNew);
if ( carTest==true)
{
JOptionPane.showMessageDialog(null, allCars);
}
else
{
JOptionPane.showMessageDialog(null, "Car Wasnt Added to System");
}
}
if(option =="2");
{
String reg1 = JOptionPane.showInputDialog(null, "Enter Car Registration to Remove:");
boolean test = gm.removes(reg1);
if(test == true)
{
JOptionPane.showMessageDialog(null, "Car Has Been Removed");
}
else if(test == false)
{
}
}
if(option =="3");
{
String printAllCars = gm.view();
JOptionPane.showMessageDialog(null, printAllCars);
}
if(option =="4");
{
String reg1 = JOptionPane.showInputDialog(null, "Enter Car Registration");
boolean carUpdate = gm.update();
if (carUpdate == true)
{
JOptionPane.showMessageDialog(null, "Car Has Been Updated");
}
else if(carUpdate == false)
{
JOptionPane.showMessageDialog(null, "Car With Registation" + reg1 + "Does Not Exist In The System");
}
}
if(option =="5");
{
System.exit(0);
}
}while(option !="5");
}
public static void main(String [] args)
{
}
}
///////////////////////////////////////////
import java.util.*;
import javax.swing.Icon;
import javax.swing.ImageIcon;
public class GarageManager {
private static Icon myIcon = new ImageIcon("..\\CarGarage\\src\\ie.wit.CarGarage\\cargarage.jpg");
List<Car> carList = new ArrayList<Car>();
public boolean addCar(Car newCar)
{
boolean carTest = false;
carList.add(newCar);
carTest = true;
return carTest;
}
public boolean removes(String reg)
{
boolean carRemove = false;
return carRemove;
}
public String view()
{
String carDetails = "";
return carDetails;
}
public boolean update()
{
boolean car1 = true;
return car1;
}
public boolean shutdown()
{
boolean car = true;
return car;
}
}
【问题讨论】：
-
你有main方法吗？
-
在公共字符串 args 中？我不是一个伟大的程序员，所以如果看起来很愚蠢，请原谅我的回答
-
是的。这就是运行时自动运行的代码。
-
我在最底部的菜单上有一个，但里面什么都没有
标签： java arrays eclipse user-interface jframe