Java算数测试小程序

	 

	TestFrame.java

	import javax.swing.*; 

	import java.awt.FlowLayout; 

	import java.awt.event.*;  

	 

	public class TestFrame extends JFrame implements ActionListener  

	{  

	       JTextField textOne,textTwo,textResult;  

	       JButton getProblem,giveAnwser;  

	       JLabel operatorJLabel,message;  

	       TestOperator testOperator;  

	 

	       public TestFrame()  

	       {  

	            testOperator=new TestOperator();  

	            setLayout(new FlowLayout());  

	            textOne=new JTextField(10); //创建textOne,其可见字符长是10  

	            textTwo=new JTextField(10); //创建textTwo,其可见字符长是10  

	            textResult=new JTextField(10); //创建textResult,其可见字符长是10  

	            operatorJLabel=new JLabel("+");  

	            message=new JLabel("你还没有回答呢");  

	            getProblem=new JButton("获取题目");  

	            giveAnwser=new JButton("确认答案");  

	 

	            add(getProblem);  

	            add(textOne);  

	            add(operatorJLabel);  

	            add(textTwo);  

	            add(new JLabel("="));  

	            add(textResult);  

	            add(giveAnwser);  

	            add(message);  

	 

	            textOne.setEditable(false);  

	            textTwo.setEditable(false);  

	            getProblem.addActionListener(this);//当前窗口注册为getProblem的ActionEvent事件监视器  

	            giveAnwser.addActionListener(this);//当前窗口注册为giveAnwser的ActionEvent事件监视器  

	            textResult.addActionListener(this);//当前窗口注册为textResult的ActionEvent事件监视器  

	       }  

	       public void actionPerformed(ActionEvent e)  

	      {  

	           if(e.getSource()==getProblem) //判断事件源是否是getProblem  

	          {  

	            int number1=testOperator.giveNumberOne(100);             

	            int number2=testOperator.giveNumberTwo(100);             

	            String operator=testOperator.giveOperator();              

	            textOne.setText(""+number1);              

	            textTwo.setText(""+number2);              

	            operatorJLabel.setText(operator);              

	            message.setText("请回答");             

	            textResult.setText(null);  

	          }  

	         if(e.getSource()==giveAnwser) //判断事件源是否是giveAnwser  

	         {  

	             String answer=textResult.getText();  

	            

	            try{ int result=Integer.parseInt(answer);  

	                 

	                if(testOperator.getRight(result)==true) 

	                {  

	                    message.setText("你回答正确");  

	                }  

	                else  

	                {  

	                    message.setText("你回答错误");  

	                }  

	              }  

	            catch(NumberFormatException ex)  

	               {  

	                    message.setText("请输入数字字符");  

	               }

补充：软件开发 , Java ,

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