import java.awt.*;

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import java.awt.event.*;
class ShopFrame extends Frame implements ActionListener
{ Label label1,label2,label3,label4;
Button button1,button2,button3,button4,button5;
TextArea text;
Panel panel1,panel2;
static float sum=0.0f;
ShopFrame(String s)
{ super(s);
setLayout(new BorderLayout());
label1=new Label("面紙:3元",Label.LEFT);
label2=new Label("鋼筆:5元",Label.LEFT);
label3=new Label("書:10元",Label.LEFT);
label4=new Label("襪子:8元",Label.LEFT);
button1=new Button("加入購物車");
button2=new Button("加入購物車");
button3=new Button("加入購物車");
button4=new Button("加入購物車");
button5=new Button("查看購物車");
text=new TextArea("商品有:"+"\n",5,10);
text.setEditable(false);
addWindowListener(new WindowAdapter()
{ public void windowClosing(WindowEvent e)
{ System.exit(0);
}
}
);
button1.addActionListener(this);
button2.addActionListener(this);
button3.addActionListener(this);
button4.addActionListener(this);
button5.addActionListener(this);
panel1=new Panel();
panel2=new Panel();
panel1.add(label1);
panel1.add(button1);
panel1.add(label2);
panel1.add(button2);
panel1.add(label3);
panel1.add(button3);
panel1.add(label4);
panel1.add(button4);
panel2.setLayout(new BorderLayout());
panel2.add(button5,BorderLayout.NORTH);
panel2.add(text,BorderLayout.SOUTH);
this.add(panel1,BorderLayout.CENTER);
this.add(panel2,BorderLayout.SOUTH);
setBounds(100,100,350,250);
setVisible(true);
validate();
}
public void actionPerformed(ActionEvent e)
{ if(e.getSource()==button1)
{ text.append("一個(gè)面紙、");
sum=sum+3;
}
else if(e.getSource()==button2)
{ text.append("一只鋼筆、");
sum=sum+5;
}
else if(e.getSource()==button3)
{ text.append("一本書、");
sum=sum+10;
}
else if(e.getSource()==button4)
{ text.append("一雙襪子、");
sum=sum+8;
}
else if(e.getSource()==button5)
{
text.append("\n"+"總價(jià)為:"+"\n"+sum);
}
}
}
public class Shopping {
public static void main(String[] args) {
new ShopFrame("購物車");
}
}
我沒用Swing可能顯示不出來你的效果。不滿意得話我在給你編一個(gè)。
import java.awt.*;
import java.awt.event.*;
class ShopFrame extends Frame implements ActionListener
{ Label label1,label2,label3,label4;
Button button1,button2,button3,button4,button5;
TextArea text;
Panel panel1,panel2;
static float sum=0.0f;
ShopFrame(String s)
{ super(s);
setLayout(new BorderLayout());
label1=new Label("面紙:3元",Label.LEFT);
label2=new Label("鋼筆:5元",Label.LEFT);
label3=new Label("書:10元",Label.LEFT);
label4=new Label("襪子:8元",Label.LEFT);
button1=new Button("加入購物車");
button2=new Button("加入購物車");
button3=new Button("加入購物車");
button4=new Button("加入購物車");
button5=new Button("查看購物車");
text=new TextArea("商品有:"+"\n",5,10);
text.setEditable(false);
addWindowListener(new WindowAdapter()
{ public void windowClosing(WindowEvent e)
{ System.exit(0);
}
}
);
button1.addActionListener(this);
button2.addActionListener(this);
button3.addActionListener(this);
button4.addActionListener(this);
button5.addActionListener(this);
panel1=new Panel();
panel2=new Panel();
panel1.add(label1);
panel1.add(button1);
panel1.add(label2);
panel1.add(button2);
panel1.add(label3);
panel1.add(button3);
panel1.add(label4);
panel1.add(button4);
panel2.setLayout(new BorderLayout());
panel2.add(button5,BorderLayout.NORTH);
panel2.add(text,BorderLayout.SOUTH);
this.add(panel1,BorderLayout.CENTER);
this.add(panel2,BorderLayout.SOUTH);
setBounds(100,100,350,250);
setVisible(true);
validate();
}
public void actionPerformed(ActionEvent e)
{ if(e.getSource()==button1)
{ text.append("一個(gè)面紙、");
sum=sum+3;
}
else if(e.getSource()==button2)
{ text.append("一只鋼筆、");
sum=sum+5;
}
else if(e.getSource()==button3)
{ text.append("一本書、");
sum=sum+10;
}
else if(e.getSource()==button4)
{ text.append("一雙襪子、");
sum=sum+8;
}
else if(e.getSource()==button5)
{
text.append("\n"+"總價(jià)為:"+"\n"+sum);
}
}
}
public class Shopping {
public static void main(String[] args) {
new ShopFrame("購物車");
}
}
我沒用Swing可能顯示不出來你的效果。不滿意得話我在給你編一個(gè)。
package?Test;
import?java.util.LinkedHashMap;
import?java.util.Map;
import?java.util.Map.Entry;
import?java.util.Scanner;
public?class?Test?{
public?static?void?main(String[]?args)?{
init();//初始化
MapString,String?map?=?new?LinkedHashMap();
while(true){
Scanner?in=?new?Scanner(System.in);
map?=?buy(in,map);//選擇
System.out.println();
System.out.println("還要繼續(xù)購物嗎?(Y/N)");
String?jx?=?in.nextLine();
if(jx.equals("N")){
break;
}
}
print(map);
}
public?static?void?print(MapString,?String?m){
System.out.println("\n\n\n******************");
System.out.println("???????購物車清單");
Integer?hj?=?0;
for?(EntryString,?String?entry?:?m.entrySet())?{
String?key?=?entry.getKey();
String?value?=?entry.getValue();
if(key.equals("1")){
hj?+=?Integer.parseInt(value)*3;
System.out.println("哇哈哈純凈水:?"+value+"件,合計(jì):¥"+Integer.parseInt(value)*3);
}else?if(key.equals("2")){
hj?+=?Integer.parseInt(value)*5;
System.out.println("康師傅方便面:?"+value+"件,合計(jì):¥"+Integer.parseInt(value)*5);
}else?if(key.equals("3")){
hj?+=?Integer.parseInt(value)*4;
System.out.println("可口可樂:?"+value+"件,合計(jì):¥"+Integer.parseInt(value)*4);
}
}
System.out.println("合計(jì)金額:¥"+hj);
}
public?static?void?init(){
System.out.println("******************");
System.out.println("\t商品列表\n");
System.out.println("??????????????商品名稱????????????????價(jià)格");
System.out.println("1.???哇哈哈純凈水????????¥3");
System.out.println("2.???康師傅方便面????????¥5");
System.out.println("3.???可口可樂????????????????¥4");
System.out.println("******************");
}
public?static?MapString,String?buy(Scanner?scan,MapString,String?m){
System.out.print("請(qǐng)輸入編號(hào):");
String?bh?=?scan.nextLine();
System.out.print("請(qǐng)輸入購買數(shù)量:");
String?num?=?scan.nextLine();
if(m.size()0??m.keySet().contains(bh)){
m.put(bh,(Integer.parseInt(bh)+Integer.parseInt(num))+"");
}else{
m.put(bh,?num);
}
return?m;
}
}
當(dāng)前題目:java購物車系統(tǒng)代碼 購物車java項(xiàng)目怎么做
URL標(biāo)題:http://chinadenli.net/article16/ddgscgg.html
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