第4次作业类测试代码+105032014138+牟平

类测试代码的具体要求如下：

　　设计三角形完整程序

已经完成的方法是：  String triangle(int a,int b,int c)

现在要求继续增加新的功能：

建立界面，至少包含以下元素，但不限于此：

完成面积的方法：float triangleArea(int a,int b,int c) ,完成周长的方法：int perimeter(int a,int b,int c)

一、类图

二、功能界面

1

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三、代码：

import java.awt.EventQueue;

import java.awt.Color;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import java.awt.BorderLayout;
import javax.swing.JButton;
import javax.swing.JTextField;
import java.awt.Font;
import javax.swing.UIManager;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JLabel;
public class Jframe {

	 private JFrame jframe;
	    private static TriangleTest text;
	    private JTextField texta;
	    private JTextField textb;
	    private JTextField textc;
	    private JTextField perimeter;
	    private JTextField number;
	    private JTextField outarea;

	    public void Triangle() {

	        jframe = new JFrame();
	        jframe.setForeground(Color.green);
	        jframe.setTitle("欢迎使用三角形管理系统");
	        jframe.setBounds(500, 350, 500, 430);
	        jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	        JPanel jpanel = new JPanel();
	        jpanel.setBounds(50, 50, 400, 280);
	        jframe.getContentPane().add(jpanel, BorderLayout.CENTER);      

	        JLabel input = new JLabel("请输入三角形的三条边：");
	        jpanel.add(input);
	        JPanel jp = new JPanel();
	        jpanel.add(jp);
	        JLabel jpa = new JLabel("a:");
	        jp.add(jpa);
	        texta = new JTextField();
	        jp.add(texta);
	        texta.setColumns(5);

	        JLabel jpb = new JLabel("b:");
	        jp.add(jpb);
	        textb = new JTextField();
	        jp.add(textb);
	        textb.setColumns(5);
	        JLabel jpc = new JLabel("c:");
	        jp.add(jpc);

	        textc = new JTextField();
	        jp.add(textc);
	        textc.setColumns(5);
	        JPanel bto = new JPanel();
	        bto.setSize(600, 90);
	        jpanel.add(bto);

	        final JButton btok = new JButton("OK");
	        bto.add(btok);

	        final JButton btc = new JButton("Cancel");
	        bto.add(btc);
	        JPanel outpanel = new JPanel();
	        jpanel.add(outpanel);

	        JLabel output = new JLabel();
	        output.setText("这个三角形是：");
	        number = new JTextField();
	        number.setFont(new Font("宋体", Font.PLAIN, 15));
	        outpanel.add(number);
	        number.setEditable(false);
	        number.setColumns(18);

	        JPanel jpout = new JPanel();
	        jpanel.add(jpout);
	        JLabel outare = new JLabel();
	        jpout.add(outare);
	        outare.setText("面积为：");

	        outarea = new JTextField();
	        outarea.setEditable(false);
	        jpout.add(outarea);
	        outarea.setColumns(9);

	        JLabel outper = new JLabel();
	        jpout.add(outper);
	        outper.setText("周长为：");

	        perimeter = new JTextField();
	        perimeter.setEditable(false);
	        jpout.add(perimeter);

	        btc.addMouseListener(new MouseAdapter() {
	        public void mouseClicked(MouseEvent event) {
	           Object object = event.getSource();
	              if(object == btc){
	               texta.setText("");
	               textb.setText("");
	               textc.setText("");
	               number.setText("");
	               outarea.setText("");
	               perimeter.setText("");
	                  }
	                }
	            });

	    btok.addMouseListener(new MouseAdapter() {
	    public void mouseClicked(MouseEvent event) {
	      Object object = event.getSource();
	        if(object == btok){
	           int aa,bb,cc;
	           //获取文本
	           String a=texta.getText();
	           String b=textb.getText();
	           String c=textc.getText();
	           //p
	           if(text.IsNotInt(a)&&text.IsNotInt(b)&&text.IsNotInt(c))
	           {
	                aa = Integer.parseInt(a);
	                bb = Integer.parseInt(b);
	                cc = Integer.parseInt(c);
	                //
	                if (!(TriangleTest.triangle(aa, bb, cc)).equals("您输入的边的值不在范围内")&&!(TriangleTest.triangle(aa, bb, cc)).equals("不能构成三角形"))
	                {
	                    String pe=String.valueOf(text.perimeter(aa, bb, cc));
	                    String ar=String.valueOf(text.triangleArea(aa, bb, cc));
	                    String re=TriangleTest.triangle(aa, bb, cc);
	                    perimeter.setText(pe);
	                    outarea.setText(ar);
	                    number.setText(re);
	                }
	                else{
	               //
	                    String result=TriangleTest.triangle(aa, bb, cc);
	                    number.setText(result);
	                    outarea.setText("");
	                    perimeter.setText("");
	                    perimeter.setText("");
	                    }
	          }
	           else{
	             //
	            JOptionPane.showMessageDialog(null, "您的输入有误，请重请输入");
	            new JFrame();
	            texta.setText("");
	            textb.setText("");
	            textc.setText("");
	            number.setText("");
	            outarea.setText("");
	            perimeter.setText("");
	                }
	            }
	        }
	      });
	     }

	    public static void main(String[] args) {
	        text=new TriangleTest();
	        EventQueue.invokeLater(new Runnable() {
	        public void run() {
	            Jframe window = new Jframe();
	            //
	            window.jframe.setVisible(true);
	          }
	       });
	    }
	    public Jframe() {
	        Triangle();
	    }
	}