最近学校老师布置了课程作业，制作一个万年历，很有意思，肝了两天终于写出来了，运行情况还好，可以跑起来，这个代码适合和我一样的java初学者阅读，写的不好还请见谅
命令行窗口jar运行版本
此代码生成的jar仅适用于window平台
import java.util.Calendar;
import java.util.Scanner;
/**
* 日历类
* 用于产生日历 输出日历
* 无其他功能
*/
class Calendars {
/**
* 目标年份
* ：
* 未确定查询的目标，该值为 -1
*/
private int targetYear;
/**
* 目标月份
* ：
* 未确定查询的目标，该值为 -1
*/
private int targetMonth;
/**
* 目标日期
* ：
* 未确定查询的目标，该值为 -1
*/
private int targetDay;
/**
* 当前年份
* ：
* 从系统获取当前年份
*/
private int year;
/**
* 当前月份
* ：
* 从系统获取当前月份
*/
private int month;
/**
* 当前日期
* ：
* 从系统获取当前日期
*/
private int day;
/**
* 无参构造方法
* 实现在目标构造时获取到当前日期
* 并将目标日期置为 0
*/
public Calendars(){
targetDay = targetMonth = targetYear = 0;
Calendar rightNow = Calendar.getInstance();
year = rightNow.get(Calendar.YEAR) ;
month = rightNow.get(Calendar.MONTH) + 1;
day = rightNow.get(Calendar.DATE);
}
/**
* 在原无参构造的基础上
* 增加了对目标年月进行的赋值
*
* @param targetYear 目标年份
* @param targetMonth 目标月份
*
*/
public Calendars(int targetYear,int targetMonth){
this();
this.targetYear = targetYear;
this.targetMonth = targetMonth;
this.targetDay = 1;
}
public int getTargetYear() {
return targetYear;
}
public void setTargetYear(int targetYear) {
this.targetYear = targetYear;
}
public int getTargetMonth() {
return targetMonth;
}
public void setTargetMonth(int targetMonth) {
this.targetMonth = targetMonth;
}
public int getTargetDay() {
return targetDay;
}
public void setTargetDay(int targetDay) {
this.targetDay = targetDay;
}
public int getYear() {
return year;
}
public int getMonth() {
return month;
}
public int getDay() {
return day;
}
/**
* 对目标年份进行判断
* 是闰年返回 true
* 不是则返回 false
* @param year int 要判断的年份
* @return : true or false
*/
public boolean isLeap(int year){
//四年一闰逢百不闰四百在闰
//通过逻辑表达式的返回值来判断是否符合条件
boolean k = (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0));
return k;
}
/**
*该方法作用是返回目标年月的第一天是星期几
* @param year int 要判断的年 要求(0,int范围]
* @param month int 要判断的月 要求[1-12]
* @return int [0-6]:[日-六]
*/
public int currentWeek(int year,int month){
//资料查询：公元元年1月1日为星期一
int Y = (year - 1) * 365 + (year - 1) / 4 - (year - 1) / 100
+ (year - 1) / 400;
int D = 0;
for(int i = 1;i < month; i ++){
D += daysInMonth(year,i);
}
return (Y + D + 1) % 7;
}
/**
*该方法的作用是返回当前月份的天数
* @param year int 目标年份
* @param month int 目标月份
* @return int 当前月份天数
*/
public int daysInMonth(int year,int month){
int two = 28;
if(isLeap(year)) {
two ++;
}
switch (month){
case 1: case 3:
case 5: case 7:
case 8: case 10:
case 12: return 31;
case 4: case 6:
case 9: case 11: return 30;
case 2: return two;
default: return -1;
}
}
/**
* 此方法的作用是降低代码的耦合性
* 将日期输出语句包装成一个方法
* @param sentence String 要输出语句
* @param year int 要输出的年份
* @param month int 要输出的月份
* @param day int 要输出的日
*/
public void print(String sentence,int year,int month,int day){
System.out.println("|\t\t\t\t\t\t" + sentence + ":" + year + "-" + month + "-" + day + "\t\t\t\t\t\t|");
}
/**
* 此方法的作用是用给定的符号s打印一行边界
* @param s char 输出的符号
*/
public void printSymbol(char s){
String T = "";
for(int i = 0;i < 111;i ++) T += s;
System.out.println("|" + T + "|" );
}
/**
* 该方法的作用是输出日历
* @param year int 要输出日历的年
* @param month int 要输出日历的月
*/
public void print(int year,int month){
int emptyDate = currentWeek(year,month);
printSymbol('-');
print("当前日期",this.year,this.month,this.day);
printSymbol('-');
if (targetYear > 0) {
print("查询日期",this.targetYear,this.targetMonth,this.targetDay);
}else{
print("查询日期",this.year,this.month,this.day);
}
printSymbol('-');
System.out.println("|\t一\t\t二\t\t三\t\t四\t\t五\t\t六\t\t日\t|" );
System.out.print("|\t");
if (emptyDate == 0) emptyDate = 7;
for(int i = 1;i < emptyDate ;i ++){
System.out.print("\t\t");
}
for(int i = 1;i <= daysInMonth(year,month);i ++){
if(emptyDate == 7 || emptyDate == 0){
System.out.println(i + "\t|");
System.out.print("|\t");
}else{
System.out.print(i + "\t\t");
}
if (i == daysInMonth(year,month)){
for(int j = 1;j < 7 - emptyDate ;j ++){
System.out.print("\t\t");
}
System.out.println("\t|");
}
emptyDate = (emptyDate + 1) % 7;
}
printSymbol('-');
}
}
/**
* 日历+类
* 在日历类的基础上增加了输出查询日期节日的功能
*/
class SuperCalendar extends Calendars{
/**
* 存储节日名称
*/
private final String[] festival;
/**
* 存储节日日期
*
*格式 xx_xx
*/
private final String[] festivalDay;
/**
* 节日数量
*/
private final int FEST_MAX_SIZE;
/**
* 对常量进行初始化
*/
{
FEST_MAX_SIZE = 15;
festivalDay = new String[]{"1_1","2_14","3_8","3_12","4_1","4_5","5_1","5_4","5_8","6_1","6_19","7_1","8_1","9_10","10_1"};
festival = new String[]{"元旦节","情人节","妇女节","植树节","愚人节","清明节","劳动节","青年节","母亲节"
,"儿童节","父亲节","建党节","建军节","教师节","国庆节"};
}
public SuperCalendar(){
super();
}
public SuperCalendar(int year,int month){
super(year,month);
}
public void printCalendar(int year, int month){
super.print(year,month);
}
/**
* 输出日历并输出查询日期是否存在节日
* @param year int 要输出日历的年
* @param month int 要输出日历的月
*/
@Override
public void print(int year, int month) {
//super.print(year, month);
printSymbol('-');
String years = "";
String months = "";
String days = "";
String st = "";
if (year == getYear() && month == getMonth()){
years = "" + getYear();
months = "" + getMonth();
days = "" + getDay();
st = getMonth() + "_" + getDay();
}else {
years = "" + getTargetYear();
months = "" + getTargetMonth();
days = "" + getTargetDay();
st = getTargetMonth() + "_" + getTargetDay();
}
while (years.length() < 4) years = "0" + years;
while (months.length() < 2) months = "0" + months;
while (days.length() < 2) days = "0" + days;
System.out.println("|\t\t\t\t\t 日期\t\t" + years + "-" + months + "-" + days + "\t\t信息\t\t\t\t|");
int i = -1;
for(int j = 0;j < FEST_MAX_SIZE;j ++){
if(festivalDay[j].equals(st)){
i = j;
break;
}
}
if (i >= 0){
System.out.println("|\t\t\t\t\t今日节日:" + "\t\t"+ festival[i] + "\t\t\t\t\t\t|");
}else{
System.out.println("|\t\t\t\t\t今日节日:" + "\t\t无节日\t\t\t\t\t\t|");
}
printSymbol('-');
}
}
/**
* 用于生成变量
* 人机交互等操作放在此类
*/
class RunToSC extends SuperCalendar{
public RunToSC(){
super();
}
public void menu(){
System.out.println("|\t\t\t\t\t\t-----<总菜单>-----\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t0.退出日历\t\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t1.打开日历\t\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t2.查询日历\t\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t3.修改日历\t\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t4.帮助文档\t\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t5.关闭日历\t\t\t\t\t\t\t|");
printSymbol('-');
}
public void inquireMenu(){
System.out.println("|\t\t\t\t\t\t----<查询菜单>----\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t 0.退出查询菜单 \t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t 1.查询今日节日 \t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t 2.查询目标节日 \t\t\t\t\t\t|");
printSymbol('-');
}
public void amendMenu(){
System.out.println("|\t\t\t\t\t\t----<修改菜单>----\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t\t0.退出修改\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t\t1.全部修改\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t\t2.修改年份\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t\t3.修改月份\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t\t4.修改日期\t\t\t\t\t\t|");
printSymbol('-');
}
public void helpDocument(){
System.out.println("|\t\t\t\t\t\t----<帮助文档>----\t\t\t\t\t\t|");
//|---------------------------------------|
System.out.println("|\t\t\t\t\t1. 日历操作方法: \t\t\t\t\t|");
System.out.println("|\t\t\t\t\t a. 根据菜单提示代号进行输入 \t\t\t\t\t|");
System.out.println("|\t\t\t\t\t b. 仅需键盘操作 \t\t\t\t\t|");
System.out.println("|\t\t\t\t\t c. 日历操作错误需要重新输入 \t\t\t\t\t|");
System.out.println("|\t\t\t\t\t2. 操作错误处理方法： \t\t\t\t\t|");
System.out.println("|\t\t\t\t\t a. 日历可以反复操作 \t\t\t\t\t|");
System.out.println("|\t\t\t\t\t b. 请输入合法的代号 \t\t\t\t\t|");
printSymbol('-');
System.out.println("输入任意数字按回车退出...");
}
public void setYear(Scanner input){
System.out.println("请输入带查询年份：");
int years = input.nextInt();
if(years > 0) {
setTargetYear(years);
}else{
System.out.println("请输入正确年份...\n按任意数字回车继续...");
years = input.nextInt();
setYear(input);
}
}
public void setMonth(Scanner input){
System.out.println("请输入带查询月份：");
int months = input.nextInt();
if(months > 0 && months <= 12) {
setTargetMonth(months);
}else{
System.out.println("请输入正确月份...\n按任意数字回车继续...");
months = input.nextInt();
setMonth(input);
}
}
public void setDay(Scanner input){
System.out.println("请输入带查询日期：");
int days = input.nextInt();
int maxDay = daysInMonth(getTargetYear(),getTargetMonth());
if(days > 0 && days <= maxDay) {
setTargetDay(days);
}else{
System.out.println("请输入正确日期...\n按任意数字回车继续...");
days = input.nextInt();
setDay(input);
}
}
public void clear(){
//网上扒的代码***
try {//使用命令的过程可能会出现失败，需要捕获异常
// Process process = Runtime.getRuntime().exec("cls");
new ProcessBuilder("cmd", "/c", "cls")
// 将 ProcessBuilder 对象的输出管道和 Java 的进程进行关联，这个函数的返回值也是一个
// ProcessBuilder
.inheritIO()
// 开始执行 ProcessBuilder 中的命令
.start()
// 等待 ProcessBuilder 中的清屏命令执行完毕
// 如果不等待则会出现清屏代码后面的输出被清掉的情况
.waitFor(); // 清屏命令
} catch (Exception e) {
e.printStackTrace();
}
}
public void run(){
Scanner input = new Scanner(System.in);
if (getTargetDay() == 0){
setTargetYear(getYear());
setTargetMonth(getMonth());
setTargetDay(getDay());
}
int judgeOverall = 1;
int judgeAmend = -1;
int judgeInquire = -1;
int judgeHelp = -1;
int tmp = 0;
boolean outCalender = false;
while (judgeOverall != 0){
print(getYear(),getMonth());
if (outCalender){
printCalendar(getTargetYear(),getTargetMonth());
}
menu();
judgeOverall = input.nextInt();
switch (judgeOverall){
case 0:
//退出日历
break;
case 1: {
//打开日历
outCalender = true;
}break;
case 2:{
//查询日历
clear();
print(getYear(),getMonth());
inquireMenu();
judgeInquire = input.nextInt();
switch (judgeInquire){
case 0:{
judgeInquire = 0;
}break;
case 1:{
clear();
print(getYear(),getMonth());
printCalendar(getYear(),getMonth());
System.out.println("按任意数字回车退出...");
tmp = input.nextInt();
}break;
case 2:{
clear();
print(getTargetYear(),getTargetMonth());
printCalendar(getTargetYear(),getTargetMonth());
System.out.println("按任意数字回车退出...");
tmp = input.nextInt();
}break;
default:
}
}break;
case 3:{
//修改日历
clear();
print(getYear(),getMonth());
amendMenu();
judgeAmend = input.nextInt();
switch (judgeAmend){
case 0:{
judgeAmend = 0;
}break;
case 1:{
setYear(input);
setMonth(input);
setDay(input);
}break;
case 2:{
setYear(input);
}break;
case 3:{
setMonth(input);
}break;
case 4:{
setDay(input);
}break;
default:
}
}break;
case 4:{
//帮助文档
clear();
print(getYear(),getMonth());
helpDocument();
judgeHelp = input.nextInt();
}break;
case 5:{
//关闭日历
outCalender = false;
}break;
default:
}
clear();
}
}
}该代码在idea运行结果会出现格式错误
生成jar后在命令行窗口运行
idea运行版本
该版本在命令行窗口运行会出现格式错误
import java.util.Calendar;
import java.util.Scanner;
/**
* 日历类
* 用于产生日历 输出日历
* 无其他功能
*/
class Calendars {
/**
* 目标年份
* ：
* 未确定查询的目标，该值为 -1
*/
private int targetYear;
/**
* 目标月份
* ：
* 未确定查询的目标，该值为 -1
*/
private int targetMonth;
/**
* 目标日期
* ：
* 未确定查询的目标，该值为 -1
*/
private int targetDay;
/**
* 当前年份
* ：
* 从系统获取当前年份
*/
private int year;
/**
* 当前月份
* ：
* 从系统获取当前月份
*/
private int month;
/**
* 当前日期
* ：
* 从系统获取当前日期
*/
private int day;
/**
* 无参构造方法
* 实现在目标构造时获取到当前日期
* 并将目标日期置为 0
*/
public Calendars(){
targetDay = targetMonth = targetYear = 0;
Calendar rightNow = Calendar.getInstance();
year = rightNow.get(Calendar.YEAR) ;
month = rightNow.get(Calendar.MONTH) + 1;
day = rightNow.get(Calendar.DATE);
}
/**
* 在原无参构造的基础上
* 增加了对目标年月进行的赋值
*
* @param targetYear 目标年份
* @param targetMonth 目标月份
*
*/
public Calendars(int targetYear,int targetMonth){
this();
this.targetYear = targetYear;
this.targetMonth = targetMonth;
this.targetDay = 1;
}
public int getTargetYear() {
return targetYear;
}
public void setTargetYear(int targetYear) {
this.targetYear = targetYear;
}
public int getTargetMonth() {
return targetMonth;
}
public void setTargetMonth(int targetMonth) {
this.targetMonth = targetMonth;
}
public int getTargetDay() {
return targetDay;
}
public void setTargetDay(int targetDay) {
this.targetDay = targetDay;
}
public int getYear() {
return year;
}
public int getMonth() {
return month;
}
public int getDay() {
return day;
}
/**
* 对目标年份进行判断
* 是闰年返回 true
* 不是则返回 false
* @param year int 要判断的年份
* @return : true or false
*/
public boolean isLeap(int year){
//四年一闰逢百不闰四百在闰
//通过逻辑表达式的返回值来判断是否符合条件
boolean k = (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0));
return k;
}
/**
*该方法作用是返回目标年月的第一天是星期几
* @param year int 要判断的年 要求(0,int范围]
* @param month int 要判断的月 要求[1-12]
* @return int [0-6]:[日-六]
*/
public int currentWeek(int year,int month){
//资料查询：公元元年1月1日为星期一
int Y = (year - 1) * 365 + (year - 1) / 4 - (year - 1) / 100
+ (year - 1) / 400;
int D = 0;
for(int i = 1;i < month; i ++){
D += daysInMonth(year,i);
}
return (Y + D + 1) % 7;
}
/**
*该方法的作用是返回当前月份的天数
* @param year int 目标年份
* @param month int 目标月份
* @return int 当前月份天数
*/
public int daysInMonth(int year,int month){
int two = 28;
if(isLeap(year)) {
two ++;
}
switch (month){
case 1: case 3:
case 5: case 7:
case 8: case 10:
case 12: return 31;
case 4: case 6:
case 9: case 11: return 30;
case 2: return two;
default: return -1;
}
}
/**
* 此方法的作用是降低代码的耦合性
* 将日期输出语句包装成一个方法
* @param sentence String 要输出语句
* @param year int 要输出的年份
* @param month int 要输出的月份
* @param day int 要输出的日
*/
public void print(String sentence,int year,int month,int day){
System.out.println("|\t\t\t\t\t" + sentence + ":" + year + "-" + month + "-" + day + "\t\t\t\t\t|");
}
/**
* 此方法的作用是用给定的符号s打印一行边界
* @param s char 输出的符号
*/
public void printSymbol(char s){
String T = "";
for(int i = 0;i < 55;i ++) T += s;
System.out.println("|" + T + "|" );
}
/**
* 该方法的作用是输出日历
* @param year int 要输出日历的年
* @param month int 要输出日历的月
*/
public void print(int year,int month){
int emptyDate = currentWeek(year,month);
printSymbol('-');
print("当前日期",this.year,this.month,this.day);
printSymbol('-');
if (targetYear > 0) {
print("查询日期",this.targetYear,this.targetMonth,this.targetDay);
}else{
print("查询日期",this.year,this.month,this.day);
}
printSymbol('-');
System.out.println("|\t一\t\t二\t\t三\t\t四\t\t五\t\t六\t\t日\t|" );
System.out.print("|\t");
for(int i = 1;i < emptyDate ;i ++){
System.out.print("\t\t");
}
for(int i = 1;i <= daysInMonth(year,month);i ++){
if(emptyDate == 7 || emptyDate == 0){
System.out.println(i + "\t|");
System.out.print("|\t");
}else{
System.out.print(i + "\t\t");
}
if (i == daysInMonth(year,month)){
for(int j = 1;j < 7 - emptyDate ;j ++){
System.out.print("\t\t");
}
System.out.println("\t|");
}
emptyDate = (emptyDate + 1) % 7;
}
printSymbol('-');
}
}
/**
* 日历+类
* 在日历类的基础上增加了输出查询日期节日的功能
*/
class SuperCalendar extends Calendars{
/**
* 存储节日名称
*/
private final String[] festival;
/**
* 存储节日日期
*
*格式 xx_xx
*/
private final String[] festivalDay;
/**
* 节日数量
*/
private final int FEST_MAX_SIZE;
/**
* 对常量进行初始化
*/
{
FEST_MAX_SIZE = 15;
festivalDay = new String[]{"1_1","2_14","3_8","3_12","4_1","4_5","5_1","5_4","5_8","6_1","6_19","7_1","8_1","9_10","10_1"};
festival = new String[]{"元旦节","情人节","妇女节","植树节","愚人节","清明节","劳动节","青年节","母亲节"
,"儿童节","父亲节","建党节","建军节","教师节","国庆节"};
}
public SuperCalendar(){
super();
}
public SuperCalendar(int year,int month){
super(year,month);
}
public void printCalendar(int year, int month){
super.print(year,month);
}
/**
* 输出日历并输出查询日期是否存在节日
* @param year int 要输出日历的年
* @param month int 要输出日历的月
*/
@Override
public void print(int year, int month) {
//super.print(year, month);
printSymbol('-');
String years = "";
String months = "";
String days = "";
if (year == getYear() && month == getMonth()){
years = "" + getYear();
months = "" + getMonth();
days = "" + getDay();
}else {
years = "" + getTargetYear();
months = "" + getTargetMonth();
days = "" + getTargetDay();
}
while (years.length() < 4) years = "0" + years;
while (months.length() < 2) months = "0" + months;
while (days.length() < 2) days = "0" + days;
System.out.println("|\t\t\t\t日期\t\t" + years + "-" + months + "-" + days + "\t\t信息\t\t\t\t|");
String st = getTargetMonth() + "_" + getTargetDay();
int i = -1;
for(int j = 0;j < FEST_MAX_SIZE;j ++){
if(festivalDay[j].equals(st)){
i = j;
break;
}
}
if (i >= 0){
System.out.println("|\t\t\t\t\t今日节日:" + "\t\t"+ festival[i] + "\t\t\t\t|");
}else{
System.out.println("|\t\t\t\t\t今日节日:" + "\t\t无节日\t\t\t\t|");
}
printSymbol('-');
}
}
/**
* 用于生成变量
* 人机交互等操作放在此类
*/
class RunToSC extends SuperCalendar{
public RunToSC(){
super();
}
public void menu(){
System.out.println("|\t\t\t\t\t-----<总菜单>-----\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t0.退出日历\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t1.打开日历\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t2.查询日历\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t3.修改日历\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t4.帮助文档\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t5.关闭日历\t\t\t\t\t\t|");
printSymbol('-');
}
public void inquireMenu(){
System.out.println("|\t\t\t\t\t----<查询菜单>----\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t 0.退出查询菜单 \t\t\t\t\t|");
System.out.println("|\t\t\t\t\t 1.查询今日节日 \t\t\t\t\t|");
System.out.println("|\t\t\t\t\t 2.查询目标节日 \t\t\t\t\t|");
printSymbol('-');
}
public void amendMenu(){
System.out.println("|\t\t\t\t\t----<修改菜单>----\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t0.退出修改\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t1.全部修改\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t2.修改年份\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t3.修改月份\t\t\t\t\t\t|");
System.out.println("|\t\t\t\t\t\t4.修改日期\t\t\t\t\t\t|");
printSymbol('-');
}
public void helpDocument(){
System.out.println("|\t\t\t\t\t----<帮助文档>----\t\t\t\t\t|");
//|---------------------------------------|
System.out.println("|\t\t\t1. 日历操作方法: \t\t\t\t|");
System.out.println("|\t\t\t a. 根据菜单提示代号进行输入 \t\t\t\t|");
System.out.println("|\t\t\t b. 仅需键盘操作 \t\t\t\t|");
System.out.println("|\t\t\t c. 日历操作错误需要重新输入 \t\t\t\t|");
System.out.println("|\t\t\t2. 操作错误处理方法： \t\t\t\t|");
System.out.println("|\t\t\t a. 日历可以反复操作 \t\t\t\t|");
System.out.println("|\t\t\t b. 请输入合法的代号 \t\t\t\t|");
printSymbol('-');
System.out.println("输入任意数字按回车退出...");
}
public void setYear(Scanner input){
System.out.println("请输入带查询年份：");
int years = input.nextInt();
if(years > 0) {
setTargetYear(years);
}else{
System.out.println("请输入正确年份...\n按任意数字回车继续...");
years = input.nextInt();
setYear(input);
}
}
public void setMonth(Scanner input){
System.out.println("请输入带查询月份：");
int months = input.nextInt();
if(months > 0 && months <= 12) {
setTargetMonth(months);
}else{
System.out.println("请输入正确月份...\n按任意数字回车继续...");
months = input.nextInt();
setMonth(input);
}
}
public void setDay(Scanner input){
System.out.println("请输入带查询日期：");
int days = input.nextInt();
int maxDay = daysInMonth(getTargetYear(),getTargetMonth());
if(days > 0 && days <= maxDay) {
setTargetDay(days);
}else{
System.out.println("请输入正确日期...\n按任意数字回车继续...");
days = input.nextInt();
setDay(input);
}
}
public void clear(){
//网上扒的代码***
try {//使用命令的过程可能会出现失败，需要捕获异常
// Process process = Runtime.getRuntime().exec("cls");
new ProcessBuilder("cmd", "/c", "cls")
// 将 ProcessBuilder 对象的输出管道和 Java 的进程进行关联，这个函数的返回值也是一个
// ProcessBuilder
.inheritIO()
// 开始执行 ProcessBuilder 中的命令
.start()
// 等待 ProcessBuilder 中的清屏命令执行完毕
// 如果不等待则会出现清屏代码后面的输出被清掉的情况
.waitFor(); // 清屏命令
} catch (Exception e) {
e.printStackTrace();
}
}
public void run(){
Scanner input = new Scanner(System.in);
if (getTargetDay() == 0){
setTargetYear(getYear());
setTargetMonth(getMonth());
setTargetDay(getDay());
}
int judgeOverall = 1;
int judgeAmend = -1;
int judgeInquire = -1;
int judgeHelp = -1;
int tmp = 0;
boolean outCalender = false;
while (judgeOverall != 0){
print(getYear(),getMonth());
if (outCalender){
printCalendar(getTargetYear(),getTargetMonth());
}
menu();
judgeOverall = input.nextInt();
switch (judgeOverall){
case 0:
//退出日历
break;
case 1: {
//打开日历
outCalender = true;
}break;
case 2:{
//查询日历
clear();
print(getYear(),getMonth());
inquireMenu();
judgeInquire = input.nextInt();
switch (judgeInquire){
case 0:{
judgeInquire = 0;
}break;
case 1:{
clear();
print(getYear(),getMonth());
printCalendar(getYear(),getMonth());
System.out.println("按任意数字回车退出...");
tmp = input.nextInt();
}break;
case 2:{
clear();
print(getTargetYear(),getTargetMonth());
printCalendar(getTargetYear(),getTargetMonth());
System.out.println("按任意数字回车退出...");
tmp = input.nextInt();
}break;
default:
}
}break;
case 3:{
//修改日历
clear();
print(getYear(),getMonth());
amendMenu();
judgeAmend = input.nextInt();
switch (judgeAmend){
case 0:{
judgeAmend = 0;
}break;
case 1:{
setYear(input);
setMonth(input);
setDay(input);
}break;
case 2:{
setYear(input);
}break;
case 3:{
setMonth(input);
}break;
case 4:{
setDay(input);
}break;
default:
}
}break;
case 4:{
//帮助文档
clear();
print(getYear(),getMonth());
helpDocument();
judgeHelp = input.nextInt();
}break;
case 5:{
//关闭日历
outCalender = false;
}break;
default:
}
clear();
}
}
}结果：
运行提示：定义RunToCS对象，调用run函数即可运行
今天的文章java万年历课程设计分享到此就结束了，感谢您的阅读，如果确实帮到您，您可以动动手指转发给其他人。
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