zoukankan html css js c++ java

第4次作业类测试代码+005+陈晓华

1、类图：

2、界面和相应的功能

1）不合法输入（为空，不在范围内）：

2）合法输入：

3、代码

  1 package swingEdu;
  2 import swingEdu.NextDate;
  3 import java.awt.EventQueue;
  4 
  5 import javax.swing.JFrame;
  6 import javax.swing.JButton;
  7 import javax.swing.JOptionPane;
  8 
  9 import javax.swing.JTextField;
 10 import javax.swing.JLabel;
 11 
 12 import java.awt.event.ActionListener;
 13 import java.awt.event.ActionEvent;
 14 
 15 public class calculator {
 16 
 17     private JFrame frame;
 18     private JTextField input_year;
 19     private JTextField today_week;
 20     private JTextField nextday_week;
 21     private JTextField lastday_week;
 22     private JTextField input_month;
 23     private JTextField input_day;
 24     private int inputYear;
 25     private int inputMonth;
 26     private int inputDay;
 27     
 28 
 29     /**
 30      * Launch the application.
 31      */
 32     public static void main(String[] args) {
 33         EventQueue.invokeLater(new Runnable() {
 34             public void run() {
 35                 try {
 36                     calculator window = new calculator();
 37                     window.frame.setVisible(true);
 38                 } catch (Exception e) {
 39                     e.printStackTrace();
 40                 }
 41             }
 42         });
 43     }
 44 
 45     /**
 46      * Create the application.
 47      */
 48     public calculator() {
 49         initialize();
 50     }
 51 
 52     /**
 53      * Initialize the contents of the frame.
 54      */
 55     private void initialize() {
 56         frame = new JFrame();
 57         frame.setTitle("日期计算程序");
 58         frame.setBounds(100, 100, 450, 300);
 59         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 60         frame.getContentPane().setLayout(null);
 61 
 62         JLabel lblNewLabel = new JLabel("请输入需要计算的年月日:");
 63         lblNewLabel.setBounds(8, 6, 159, 28);
 64         frame.getContentPane().add(lblNewLabel);
 65 
 66         input_year = new JTextField();
 67         input_year.setBounds(54, 41, 81, 28);
 68         frame.getContentPane().add(input_year);
 69         input_year.setColumns(10);
 70 
 71         input_month = new JTextField();
 72         input_month.setBounds(187, 40, 83, 29);
 73         frame.getContentPane().add(input_month);
 74         input_month.setColumns(10);
 75 
 76         input_day = new JTextField();
 77         input_day.setBounds(320, 43, 92, 22);
 78         frame.getContentPane().add(input_day);
 79         input_day.setColumns(10);
 80 
 81         JLabel label = new JLabel("年:");
 82         label.setBounds(29, 46, 35, 19);
 83         frame.getContentPane().add(label);
 84 
 85         JLabel label_1 = new JLabel("月:");
 86         label_1.setBounds(158, 46, 65, 19);
 87         frame.getContentPane().add(label_1);
 88 
 89         JLabel label_2 = new JLabel("日:");
 90         label_2.setBounds(295, 47, 61, 16);
 91         frame.getContentPane().add(label_2);
 92 
 93         JButton calculate = new JButton("OK");
 94         calculate.addActionListener(new ActionListener() {
 95             public void actionPerformed(ActionEvent e) {
 96                 NextDate nextdate = new NextDate();
 97                 nextday_week.setText("");
 98                 today_week.setText("");
 99                 lastday_week.setText("");
100                 if (input_year.getText().length() == 0) {
101                     JOptionPane.showMessageDialog(null, "输入有误，请重新输入", "年份错误提示",
102                             JOptionPane.ERROR_MESSAGE);
103                     return;
104                 }else if (input_month.getText().length() == 0) {
105                     JOptionPane.showMessageDialog(null, "输入有误，请重新输入", "月份错误提示",
106                             JOptionPane.ERROR_MESSAGE);
107                     return;
108                 }else if (input_day.getText().length() == 0) {
109                     JOptionPane.showMessageDialog(null, "输入有误，请重新输入",
110                             "日期错误提示", JOptionPane.ERROR_MESSAGE);
111                     return;
112                 }else {
113                     inputYear=Integer.parseInt(input_year.getText());
114                     inputMonth=Integer.parseInt(input_month.getText());
115                     inputDay=Integer.parseInt(input_day.getText());
116                     String nextDayResult=nextdate.nextdate(inputMonth, inputDay, inputYear);
117                     if (nextDayResult.contains("超出范围")) {
118                         JOptionPane.showMessageDialog(null, nextDayResult,
119                                 "计算错误提示", JOptionPane.ERROR_MESSAGE);
120                         input_year.setText("");
121                         input_month.setText("");
122                         input_day.setText("");
123                         return;
124                     } else {
125                         nextday_week.setText(nextDayResult);
126                     }
127                     String lastDayResult=nextdate.lastDay(inputMonth, inputDay, inputYear);
128                     if (lastDayResult.contains("超出范围")) {
129                         JOptionPane.showMessageDialog(null, nextDayResult,
130                                 "计算错误提示", JOptionPane.ERROR_MESSAGE);
131                         input_year.setText("");
132                         input_month.setText("");
133                         input_day.setText("");
134                         return;
135                     } else {
136                         lastday_week.setText(lastDayResult);
137                     }
138                     int weekDayResult=nextdate.weekDay(inputMonth, inputDay, inputYear);
139                         today_week.setText(weekDayResult+"");
140                 }
141 
142             }
143         });
144         calculate.setBounds(102, 81, 65, 29);
145         frame.getContentPane().add(calculate);
146 
147         JButton reset = new JButton("Cancel");
148         reset.addActionListener(new ActionListener() {
149             public void actionPerformed(ActionEvent e) {
150                 input_year.setText("");
151                 input_month.setText("");
152                 input_day.setText("");
153 
154             }
155         });
156         reset.setBounds(232, 81, 72, 29);
157         frame.getContentPane().add(reset);
158 
159         JLabel lblNewLabel_1 = new JLabel("这天是星期:");
160         lblNewLabel_1.setBounds(102, 128, 92, 16);
161         frame.getContentPane().add(lblNewLabel_1);
162 
163         today_week = new JTextField();
164         today_week.setBounds(179, 122, 134, 28);
165         frame.getContentPane().add(today_week);
166         today_week.setColumns(10);
167 
168         JLabel lblNewLabel_2 = new JLabel("下一天是:");
169         lblNewLabel_2.setBounds(102, 174, 72, 16);
170         frame.getContentPane().add(lblNewLabel_2);
171 
172         JLabel label_3 = new JLabel("上一天是:");
173         label_3.setBounds(102, 220, 61, 16);
174         frame.getContentPane().add(label_3);
175 
176         nextday_week = new JTextField();
177         nextday_week.setBounds(179, 168, 134, 28);
178         frame.getContentPane().add(nextday_week);
179         nextday_week.setColumns(10);
180 
181         lastday_week = new JTextField();
182         lastday_week.setBounds(179, 214, 134, 28);
183         frame.getContentPane().add(lastday_week);
184         lastday_week.setColumns(10);
185 
186     }
187     
188     
189 }

calculator

  1 package swingEdu;
  2 
  3 public class NextDate {
  4 
  5     //nextdate函数 计算下一天
  6             public String nextdate(int month,int day,int year){
  7                 int isleap[]={31,29,31,30,31,30,31,31,30,31,30,31};
  8                 int noleap[]={31,28,31,30,31,30,31,31,30,31,30,31};
  9                 int m,d,y;
 10                 
 11                 if (month<1 || month>12){
 12                     return "月份超出范围";
 13                 }
 14                 if (day<1 || day>31){
 15                     return "日期超出范围";
 16                 }
 17                 if (year<1912 || year>2050){
 18                     return "年份超出范围";
 19                 }
 20 
 21                 if ((year%4==0 && year%100!=0) || year%400==0){//闰年
 22                     if (day<isleap[month-1]){
 23                         d = day+1;
 24                         m = month;
 25                         y = year;
 26                     } 
 27                     else if (day==isleap[month-1]){//该月的最后一天
 28                         d=1;
 29                         if (month==12){//一年的最后一天
 30                             m = 1;
 31                             y = year+1;
 32                         }
 33                         else{
 34                             m = month+1;
 35                             y = year;
 36                         }
 37                     }
 38                     else{//针对31天以内，但是超出该月最大天数
 39                         return "日期超出范围";
 40                     }    
 41                 }
 42                 
 43                 else{//非闰年
 44                     if (day<noleap[month-1]){
 45                         d = day+1;
 46                         m = month;
 47                         y = year;
 48                     } 
 49                     else if (day==noleap[month-1]){//该月的最后一天
 50                         d = 1;
 51                         if (month==12){//一年的最后一天    
 52                             m = 1;
 53                             y = year+1;
 54                         }
 55                         else{
 56                             m = month+1;
 57                             y = year;
 58                         }
 59                     }
 60                     else{//针对31天以内，但是超出该月最大天数
 61                         return "日期超出范围";
 62                     }
 63                 }
 64                 return y + "年" + m + "月" + d + "日";
 65             }
 66             
 67             //lastDay函数 计算上一天
 68             public String lastDay(int month,int day,int year)
 69             {
 70                 int isleap[]={31,29,31,30,31,30,31,31,30,31,30,31};
 71                 int noleap[]={31,28,31,30,31,30,31,31,30,31,30,31};
 72                 int m,d,y;
 73                 
 74                 if (month<1 || month>12){
 75                     return "月份超出范围";
 76                 }
 77                 if (day<1 || day>31){
 78                     return "日期超出范围";
 79                 }
 80                 if (year<1912 || year>2050){
 81                     return "年份超出范围";
 82                 }
 83 
 84                 if(month==1 && day==1){
 85                     y = year -1;
 86                     m = 12;
 87                     d = 31;
 88                 }else if(day==1){
 89                     y = year;
 90                     m = month - 1;
 91                     if((year%4==0 && year%100!=0) || year%400==0){//闰年
 92                         d = isleap[m-1];
 93                     }
 94                     else{//非闰年
 95                         d = noleap[m-1];
 96                     }
 97                 }else{
 98                     y = year;
 99                     m = month;
100                     d = day - 1;
101                 }
102                 
103                 return y + "年" + m + "月" + d + "日";
104             }
105             
106             //weekDay函数 计算星期几
107             public int weekDay(int month,int day,int year){
108                 int iweek = 0;
109                 int y = 0, c = 0, m = 0, d = 0;
110                 
111                 if(month == 1 || month == 2)
112                 {
113                     c = (year - 1) / 100;
114                     y = (year - 1) % 100;
115                     m = month + 12;
116                     d = day;
117                 }
118                 else
119                 {
120                     c = year / 100;
121                     y = year % 100;
122                     m = month;
123                     d = day;
124                 }
125                 
126                 iweek = y + y/4 + c/4 - 2*c + 26*(m+1)/10 + d - 1; //泰勒公式
127                 iweek = iweek >= 0 ? (iweek % 7) : (iweek % 7 + 7);
128                 if(iweek == 0)
129                 {
130                     iweek = 7;
131                 }
132                 
133                 return iweek;
134             }
135 }

NextDate

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原文地址：https://www.cnblogs.com/ChenXh123/p/6800184.html