软件工程个人作业04

源码

package arithmetic;
import java.util.Random;

import javax.swing.*;

public class Arithmetic 
{
    static void add(int limit1,int limit2,int boolminus/*int boolremainder,int boolmultiply*/)
    {
        int number1=new Random().nextInt(limit2-limit1+1)+limit1;
        int number2=new Random().nextInt(limit2-limit1+1)+limit1;
        if(boolminus==0)
        {
            if(limit1<0||limit2<0)
            {
                System.out.println("您输入的范围有误");
            }
            else 
            {
                System.out.println(number1+"+"+number2+"=");
                String answer=JOptionPane.showInputDialog("please input answer");
                int answer1=Integer.parseInt(answer);
                if(answer1==number1+number2)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
        }
        else
        {
            System.out.println(number1+"+"+number2+"=");
            String answer=JOptionPane.showInputDialog("please input answer");
            int answer1=Integer.parseInt(answer);
            if(answer1==number1+number2)
                System.out.println("right!");
            else
                System.out.println("wrong!");
        }
    }
    
    static void subtract(int limit1,int limit2,int boolminus)
    {
        int number1=new Random().nextInt(limit2-limit1+1)+limit1;
        int number2=new Random().nextInt(limit2-limit1+1)+limit1;
        if(boolminus==0)
        {
            while(true)
            {
                if(number1<number2)
                {
                    number1=new Random().nextInt(limit2-limit1+1)+limit1;
                    number2=new Random().nextInt(limit2-limit1+1)+limit1;
                }
                else 
                {
                    break;
                }
            }
            if(limit1<0||limit2<0)
            {
                System.out.println("您输入的范围有误");
            }
            
            else if(limit1>=0||limit2>=0||number1>=number2)
            {
                System.out.println(number1+"-"+number2+"=");
                String answer=JOptionPane.showInputDialog("please input answer");
                int answer1=Integer.parseInt(answer);
                if(answer1==number1-number2)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
        }
        else 
        {
            System.out.println(number1+"-"+number2+"=");
            String answer=JOptionPane.showInputDialog("please input answer");
            int answer1=Integer.parseInt(answer);
            if(answer1==number1-number2)
                System.out.println("right!");
            else
                System.out.println("wrong!");
        }
    }
    
    static void multiply(int limit1,int limit2/*int boolremainder,*/)
    {
        int number1=new Random().nextInt(limit2-limit1+1)+limit1;
        int number2=new Random().nextInt(limit2-limit1+1)+limit1;
        System.out.println(number1+"*"+number2+"=");
        String answer=JOptionPane.showInputDialog("please input answer");
        int answer1=Integer.parseInt(answer);
        if(answer1==number1*number2)
            System.out.println("right!");
        else
            System.out.println("wrong!");
    }
    
    static void divide(int limit1,int limit2,int boolremainder)
    {
        int number1=new Random().nextInt(limit2-limit1+1)+limit1;
        int number2=new Random().nextInt(limit2-limit1+1)+limit1;
        if(boolremainder==0)
        {
            while(true)
            {
                if(number1%number2!=0)
                {
                    number1=new Random().nextInt(limit2-limit1+1)+limit1;
                    number2=new Random().nextInt(limit2-limit1+1)+limit1;
                }
                else
                {
                    System.out.println(number1+"/"+number2+"=");
                    String answer=JOptionPane.showInputDialog("please input answer");
                    int answer1=Integer.parseInt(answer);
                    if(answer1==number1+number2)
                        System.out.println("right!");
                    else
                        System.out.println("wrong!");
                }
            }
        }
        else
        {
            System.out.println(number1+"/"+number2+"=");
            String answer1=JOptionPane.showInputDialog("请输入商");
            int answer11=Integer.parseInt(answer1);
            String answer2=JOptionPane.showInputDialog("请输入余数");
            int answer22=Integer.parseInt(answer2);
            if(answer11==number1/number2&&answer22==number1%number2)
                System.out.println("right!");
            else
                System.out.println("wrong!");
        }
    }
    
    static void duoshu(int limit1,int limit2,int boolmultiply)
    {
        if(boolmultiply==0)//无乘除仅需三位数运算，超过三位显得无意义
        {
            int number1=new Random().nextInt(limit2-limit1+1)+limit1;
            int number2=new Random().nextInt(limit2-limit1+1)+limit1;
            int number3=new Random().nextInt(limit2-limit1+1)+limit1;
            int choose1=new Random().nextInt(2);
            int choose2=new Random().nextInt(2);
            if(choose1==0&&choose2==0)
            {
                System.out.println(number1+"+"+number2+"+"+number3+"=");
                String answer=JOptionPane.showInputDialog("please input answer");
                int answer1=Integer.parseInt(answer);
                if(answer1==number1+number2+number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
            else if(choose1==1&&choose2==0)
            {
                System.out.println(number1+"-"+number2+"+"+number3+"=");
                String answer=JOptionPane.showInputDialog("please input answer");
                int answer1=Integer.parseInt(answer);
                if(answer1==number1-number2+number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
            else if(choose1==0&&choose2==1)
            {
                System.out.println(number1+"+"+number2+"-"+number3+"=");
                String answer=JOptionPane.showInputDialog("please input answer");
                int answer1=Integer.parseInt(answer);
                if(answer1==number1+number2-number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
            else if(choose1==1&&choose2==1)
            {
                System.out.println(number1+"-"+number2+"-"+number3+"=");
                String answer=JOptionPane.showInputDialog("please input answer");
                int answer1=Integer.parseInt(answer);
                if(answer1==number1-number2-number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
        }
        else if(boolmultiply==1)
        {
            int numbers=new Random().nextInt(7)+3;
            int i=0,j;
            int number[]=new int[10];
            for(i=0;i<numbers;i++)
            {
                j=new Random().nextInt(limit2-limit1+1)+limit1;
                number[i]=j;
            }
            System.out.print(number[0]);
            for(i=0;i<numbers-1;i++)//无法验证结果，以及避免分母为0
            {
                int choose=new Random().nextInt(4);
                switch(choose)
                {
                    case 0:
                    {
                        System.out.print("+"+number[i+1]);
                        break;
                    }
                    case 1:
                    {
                        System.out.print("-"+number[i+1]);
                        break;
                    }
                    case 2:
                    {
                        System.out.print("*"+number[i+1]);
                        break;
                    }
                    case 3:
                    {
                        System.out.print("/"+number[i+1]);
                        break;
                    }
                }
            }
            System.out.println("=");
        }
    }
    static void kuohao(int limit1,int limit2)//仅实现三位
    {
        int number1=new Random().nextInt(limit2-limit1+1)+limit1;
        int number2=new Random().nextInt(limit2-limit1+1)+limit1;
        int number3=new Random().nextInt(limit2-limit1+1)+limit1;
        int choose1=new Random().nextInt(2);
        if(choose1==0)
        {
            int choose2=new Random().nextInt(2);
            int choose3=new Random().nextInt(2);
            if(choose2==0&&choose3==0)
            {
                System.out.println("("+number1+"+"+number2+")*"+number3);
                String answer=JOptionPane.showInputDialog("请输入答案");
                int answer1=Integer.parseInt(answer);
                if(answer1==(number1+number2)*number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
            if(choose2==1&&choose3==0)
            {
                System.out.println("("+number1+"-"+number2+")*"+number3);
                String answer=JOptionPane.showInputDialog("请输入答案");
                int answer1=Integer.parseInt(answer);
                if(answer1==(number1-number2)*number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
            if(choose2==0&&choose3==1)
            {
                System.out.println("("+number1+"+"+number2+")/"+number3);
                number1=number1+number2;
                int i;
                if(number1<number3)
                     i=number1;
                 else i=number3;
                 for(int ii=i+1;ii>=1;ii--)
                 {
                    if(number1%ii==0&&number3%ii==0)
                    {
                        number1=number1/ii;
                        number3=number3/ii;
                        break;
                    }
                 }
                String answer=JOptionPane.showInputDialog("请输入分子");
                int answer1=Integer.parseInt(answer);
                String answer0=JOptionPane.showInputDialog("请输入分母");
                int answer10=Integer.parseInt(answer0);
                if(answer1==number1&&answer10==number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
            if(choose2==1&&choose3==1)
            {
                System.out.println("("+number1+"-"+number2+")/"+number3);
                number1=number1-number2;
                int i;
                if(number1<number3)
                     i=number1;
                 else i=number3;
                 for(int ii=i+1;ii>=1;ii--)
                 {
                    if(number1%ii==0&&number3%ii==0)
                    {
                        number1=number1/ii;
                        number3=number3/ii;
                        break;
                    }
                 }
                String answer=JOptionPane.showInputDialog("请输入分子");
                int answer1=Integer.parseInt(answer);
                String answer0=JOptionPane.showInputDialog("请输入分母");
                int answer10=Integer.parseInt(answer0);
                if(answer1==number1&&answer10==number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
        }
        if(choose1==1)
        {
            int choose2=new Random().nextInt(2);
            int choose3=new Random().nextInt(2);
            if(choose2==0&&choose3==0)
            {
                System.out.println(number3+"*("+number1+"+"+number2+")");
                String answer=JOptionPane.showInputDialog("请输入答案");
                int answer1=Integer.parseInt(answer);
                if(answer1==(number1+number2)*number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
            if(choose2==1&&choose3==0)
            {
                System.out.println(number3+"*("+number1+"-"+number2+")");
                String answer=JOptionPane.showInputDialog("请输入答案");
                int answer1=Integer.parseInt(answer);
                if(answer1==(number1-number2)*number3)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
            if(choose2==0&&choose3==1)
            {
                while(true)
                {
                    if(number1+number2==0)
                    {
                        number1=new Random().nextInt(limit2-limit1+1)+limit1;
                        number2=new Random().nextInt(limit2-limit1+1)+limit1;
                    }
                    else 
                        break;
                }
                System.out.println(number3+"/("+number1+"+"+number2+")");
                number1=number1+number2;
                int i;
                if(number1<number3)
                     i=number1;
                 else i=number3;
                 for(int ii=i+1;ii>=1;ii--)
                 {
                    if(number1%ii==0&&number3%ii==0)
                    {
                        number1=number1/ii;
                        number3=number3/ii;
                        break;
                    }
                 }
                String answer=JOptionPane.showInputDialog("请输入分子");
                int answer1=Integer.parseInt(answer);
                String answer0=JOptionPane.showInputDialog("请输入分母");
                int answer10=Integer.parseInt(answer0);
                if(answer1==number3&&answer10==number1)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
            if(choose2==1&&choose3==1)
            {
                while(true)
                {
                    if(number1-number2==0)
                    {
                        number1=new Random().nextInt(limit2-limit1+1)+limit1;
                        number2=new Random().nextInt(limit2-limit1+1)+limit1;
                    }
                    else 
                        break;
                }
                System.out.println(number3+"/("+number1+"-"+number2+")");
                number1=number1-number2;
                int i;
                if(number1<number3)
                     i=number1;
                 else i=number3;
                 for(int ii=i+1;ii>=1;ii--)
                 {
                    if(number1%ii==0&&number3%ii==0)
                    {
                        number1=number1/ii;
                        number3=number3/ii;
                        break;
                    }
                 }
                String answer=JOptionPane.showInputDialog("请输入分子");
                int answer1=Integer.parseInt(answer);
                String answer0=JOptionPane.showInputDialog("请输入分母");
                int answer10=Integer.parseInt(answer0);
                if(answer1==number3&&answer10==number1)
                    System.out.println("right!");
                else
                    System.out.println("wrong!");
            }
        }
    }
    static void fraction(int limit1,int limit2,int numbers,int boolmultiply)
    {
        int i,j,k;
        if(boolmultiply==0)
        { 
            for(int o=numbers;o>0;o--)
            {
                 int number1=new Random().nextInt(limit2-limit1+1)+limit1;
                 int number2=0;
                 while(true)
                 {
                     number2=new Random().nextInt(limit2-limit1+1)+limit1;
                     if(number2!=0)
                         break;
                 }
                 if(number1<number2)
                     i=number1;
                 else i=number2;
                 for(int ii=i+1;ii>=1;ii--)
                 {
                    if(number1%ii==0&&number2%ii==0)
                    {
                        number1=number1/ii;
                        number2=number2/ii;
                        break;
                    }
                 }
                 
                 int number3=new Random().nextInt(limit2-limit1+1)+limit1;
                 int number4=0;
                 while(true)
                 {
                     number4=new Random().nextInt(limit2-limit1+1)+limit1;
                     if(number4!=0)
                         break;
                 }
                 if(number3<number4)
                     j=number3;
                 else j=number4;
                 for(int jj=j+1;jj>=1;jj--)
                 {
                    if(number3%jj==0&&number4%jj==0)
                    {
                        number3=number3/jj;
                        number4=number4/jj;
                        break;
                    }
                 }
                k=new Random().nextInt(2);
                if(k==0)
                {
                    System.out.println(number1+"/"+number2+"+"+number3+"/"+number4+"=");
                    int fenzi=number1*number4+number2*number3;
                    int fenmu=number2*number4;
                    int small1;
                    if(fenzi<fenmu)
                        small1=fenzi;
                    else small1=fenmu;
                    for(int small11=small1+1;small11>=1;small11--)
                        {
                        if(fenzi%small11==0&&fenmu%small11==0)
                           {
                               fenzi=fenzi/small11;
                               number2=number2/small11;
                               break;
                           }
                        }
                    String answer=JOptionPane.showInputDialog("请输入分子");
                    int answer1=Integer.parseInt(answer);
                    String answer0=JOptionPane.showInputDialog("请输入分母");
                    int answer10=Integer.parseInt(answer0);
                    if(answer1==fenzi&&answer10==fenmu)
                        System.out.println("right!");
                    else
                        System.out.println("wrong!");
                }
                else if(k==1)
                {
                    System.out.println(number1+"/"+number2+"-"+number3+"/"+number4+"=");
                    int fenzi=number1*number4-number2*number3;
                    int fenmu=number2*number4;
                    int small1;
                    if(fenzi<fenmu)
                        small1=fenzi;
                    else small1=fenmu;
                    for(int small11=small1+1;small11>=1;small11--)
                        {
                        if(fenzi%small11==0&&fenmu%small11==0)
                           {
                               fenzi=fenzi/small11;
                               number2=number2/small11;
                               break;
                           }
                        }
                    String answer=JOptionPane.showInputDialog("请输入分子");
                    int answer1=Integer.parseInt(answer);
                    String answer0=JOptionPane.showInputDialog("请输入分母");
                    int answer10=Integer.parseInt(answer0);
                    if(answer1==fenzi&&answer10==fenmu)
                        System.out.println("right!");
                    else
                        System.out.println("wrong!");
                }
            }
        }
        else
        {
            for(int o=numbers;o>0;o--)
            {
                int number1=new Random().nextInt(limit2-limit1+1)+limit1;
                int number2=0;
                    while(true)
                    {
                        number2=new Random().nextInt(limit2-limit1+1)+limit1;
                        if(number2!=0)
                            break;
                    }
                if(number1<number2)
                    i=number1;
                else i=number2;
                
                int number3=new Random().nextInt(limit2-limit1+1)+limit1;
                int number4=0;
                    while(true)
                    {
                        number4=new Random().nextInt(limit2-limit1+1)+limit1;
                        if(number4!=0)
                            break;
                    }
                if(number3<number4)
                    j=number3;
                else j=number4;
                for(int ii=i+1;ii>=1;ii--)
                    {
                    if(number1%ii==0&&number2%ii==0)
                    {
                        number1=number1/ii;
                        number2=number2/ii;
                        break;
                    }
                    }
                for(int jj=j+1;jj>=1;jj--)
                    {
                    if(number3%jj==0&&number4%jj==0)
                    {
                        number3=number3/jj;
                        number4=number4/jj;
                        break;
                    }
                    }
                k=new Random().nextInt(4);
                if(k==0)
                {
                    System.out.println(number1+"/"+number2+"+"+number3+"/"+number4+"=");
                    int fenzi=number1*number4+number2*number3;
                    int fenmu=number2*number4;
                    int small1;
                    if(fenzi<fenmu)
                        small1=fenzi;
                    else small1=fenmu;
                    for(int small11=small1+1;small11>=1;small11--)
                        {
                        if(fenzi%small11==0&&fenmu%small11==0)
                           {
                               fenzi=fenzi/small11;
                               number2=number2/small11;
                               break;
                           }
                        }
                    String answer=JOptionPane.showInputDialog("请输入分子");
                    int answer1=Integer.parseInt(answer);
                    String answer0=JOptionPane.showInputDialog("请输入分母");
                    int answer10=Integer.parseInt(answer0);
                    if(answer1==fenzi&&answer10==fenmu)
                        System.out.println("right!");
                    else
                        System.out.println("wrong!");
                }
                else if(k==1)
                {
                    System.out.println(number1+"/"+number2+"-"+number3+"/"+number4+"=");
                    int fenzi=number1*number4-number2*number3;
                    int fenmu=number2*number4;
                    int small1;
                    if(fenzi<fenmu)
                        small1=fenzi;
                    else small1=fenmu;
                    for(int small11=small1+1;small11>=1;small11--)
                        {
                        if(fenzi%small11==0&&fenmu%small11==0)
                           {
                               fenzi=fenzi/small11;
                               number2=number2/small11;
                               break;
                           }
                        }
                    String answer=JOptionPane.showInputDialog("请输入分子");
                    int answer1=Integer.parseInt(answer);
                    String answer0=JOptionPane.showInputDialog("请输入分母");
                    int answer10=Integer.parseInt(answer0);
                    if(answer1==fenzi&&answer10==fenmu)
                        System.out.println("right!");
                    else
                        System.out.println("wrong!");
                }
                else if(k==2)
                {
                    System.out.println(number1+"/"+number2+"*"+number3+"/"+number4+"=");
                    int fenzi=number1*number3;
                    int fenmu=number2*number4;
                    int small1;
                    if(fenzi<fenmu)
                        small1=fenzi;
                    else small1=fenmu;
                    for(int small11=small1+1;small11>=1;small11--)
                        {
                        if(fenzi%small11==0&&fenmu%small11==0)
                           {
                               fenzi=fenzi/small11;
                               number2=number2/small11;
                               break;
                           }
                        }
                    String answer=JOptionPane.showInputDialog("请输入分子");
                    int answer1=Integer.parseInt(answer);
                    String answer0=JOptionPane.showInputDialog("请输入分母");
                    int answer10=Integer.parseInt(answer0);
                    if(answer1==fenzi&&answer10==fenmu)
                        System.out.println("right!");
                    else
                        System.out.println("wrong!");
                }
                else 
                {
                    System.out.println(number1+"/"+number2+"/"+number3+"/"+number4+"=");
                    int fenzi=number1*number4;
                    int fenmu=number2*number3;
                    int small1;
                    if(fenzi<fenmu)
                        small1=fenzi;
                    else small1=fenmu;
                    for(int small11=small1+1;small11>=1;small11--)
                        {
                        if(fenzi%small11==0&&fenmu%small11==0)
                           {
                               fenzi=fenzi/small11;
                               number2=number2/small11;
                               break;
                           }
                        }
                    String answer=JOptionPane.showInputDialog("请输入分子");
                    int answer1=Integer.parseInt(answer);
                    String answer0=JOptionPane.showInputDialog("请输入分母");
                    int answer10=Integer.parseInt(answer0);
                    if(answer1==fenzi&&answer10==fenmu)
                        System.out.println("right!");
                    else
                        System.out.println("wrong!");
                }
            }
        }
    }
    
    public static void main(String[] args)
    {
        String choice0=JOptionPane.showInputDialog("是否有分数运算（有输入1，无输入0）");
        int choice00=Integer.parseInt(choice0);
        String choice1=JOptionPane.showInputDialog("是否有乘除法（有输入1，无输入0）");
        int choice11=Integer.parseInt(choice1);
        String choice2=JOptionPane.showInputDialog("请输入数值范围下限");
        String choice21=JOptionPane.showInputDialog("请输入数值范围上限");
        String choice5=JOptionPane.showInputDialog("需要多少道题");
        int limit1=Integer.parseInt(choice2);
        int limit2=Integer.parseInt(choice21);
        int i=Integer.parseInt(choice5);
        if(choice00==0)
        {
            String choicek=JOptionPane.showInputDialog("是否有括号运算（有输入1，无输入0）");
            int choicekk=Integer.parseInt(choicek);
            if(choicekk==0)
            {
                String choiced=JOptionPane.showInputDialog("是否有多数运算（有输入1，无输入0）");
                int choicedd=Integer.parseInt(choiced);
                if(choicedd==0)
                {
                    String choice3=JOptionPane.showInputDialog("加法有无负数（有输入1，无输入0）");
                    int choice33=Integer.parseInt(choice3);
                    if(choice11==0)
                    {
                        for(;i>0;i--)
                        {
                            int j=new Random().nextInt(2);
                            if(j==0)
                                add(limit1,limit2,choice33);
                            else 
                                subtract(limit1,limit2,choice33);
                        }
                    }
                    else if(choice11==1)
                    {
                        String choice4=JOptionPane.showInputDialog("除法有无余数（有输入1，无输入0）");
                        int choice44=Integer.parseInt(choice4);
                        for(;i>0;i--)
                        {
                            int j=new Random().nextInt(4);
                            if(j==0)
                                add(limit1,limit2,choice33);
                            else if(j==1)
                                subtract(limit1,limit2,choice33);
                            else if(j==2)
                                multiply(limit1,limit2);
                            else if(j==3)
                                divide(limit1,limit2,choice44);
                        }
                    }
                }
                else
                {
                    for(int i1=0;i1<i;i1++)
                    {
                        duoshu(limit1,limit2,choice11);
                    }
                }
            }
            else
            {
                for(int i1=0;i1<i;i1++)
                {
                    kuohao(limit1,limit2);
                }
            }
        }
        else
        {
            fraction(limit1,limit2,i,choice11);
        }
    }
}

加入了括号，加入了多数计算，加入了验证结果。未能实现网页版。