JAVA制作邮箱格式和时间格式

JAVA制作邮箱格式和时间格式 邮箱格式要求: package com.email; import java.util.Scanner; public class EmailTest { static Scanner input = new Scanner(System.in); /** * @param args */ public static void main(String[] args) { boolean isgo = false; do{ System.out.println("请输入您的邮箱号码:"); String str = input.next(); if(Email(str)){ System.out.println("邮箱格式正确"); isgo = false; } else{ System.out.println("邮箱格式不正确"); System.out.println("是否继续:1——继续; int index = input.nextInt(); if(index == 1) isgo = true; else{ System.out.println("系统已退出"); isgo = false; } } }while(isgo); } public static boolean Email(String str) { boolean isok = false; if(str != null) { int num = 0; 任意数字键——退出"); for(int i = 0;i < str.length();i++) num++; if(num > 8) { ‘A’)) String c1 = str.substring(num-4, num-3); String c2 = str.substring(num-8, num-7); if(c1.equals(".")&&c2.equals("@")) { String temp1 = str.substring(num-3, num); if(temp1.equals("com") emp1.equals("net")) { String temp2 = str.substring(num-7, um-4); char[] ch = [2] <= ‘9’&&ch[2] >= ‘1’) isok = n true; else isok = false; }else isok = false; }else { System.out.println("邮箱号码格式3不符合要求"); isok = false; } }else { System.out.println("邮箱号码格式2不符合要求 "); isok = false; } } } } else{ System.out.println("邮箱号码格式1不符 合要求"); } isok = false; }else{ System.out.println("邮箱号码长度不 足"); isok = false; } }else isok = false; return isok; Time包: package com.time; import java.util.Scanner; public class Time { public void timeshow() { Scanner input = new Scanner(System.in); System.out.println("请输入年月日(XXXX年XX月 XX日XX点XX分XX秒)"); String time1 = input.next(); if(time1.length() == 20) { boolean isyear = false; boolean ismonth = false; boolean isday = false; boolean ishour = false; boolean isminute = false; boolean issecond =false; String t1 = time1.substring(4,5); String t2 = time1.substring(7,8); String t3 = time1.substring(10,11); String t4 = time1.substring(13, 14); String t5 = time1.substring(16, 17); String t6 = time1.substring(19, 20); if(t1.equals("年")&&t2.equals("月 ")&&t3.equals("日")&&t4.equals("点 ")&&t5.equals("分")&&t6.equals("秒 ")) { String year = time1.substring(0, 4); String month = time1.substring(5, 7); String day = time1.substring(8, 10); String hour = time1.substring(11, 13); String minute = time1.substring(14, 16); String second = time1.substring(17, 19); for(int i = 0; i < year.length();i++) { } if(isyear) { for(int i = 0;i < month.length(); i++) { } if(ismonth) { if (Integer.parseInt(month) >= 1 int num = Character.getNumericValue(month.charAt(i)); if (num >= 0 && num <= 9) ismonth = true; else ismonth = false; if(!ismonth) break; int num = Character.getNumericValue(year.charAt(i)); if (num >= 0 && num <= // 如果不符合就跳出，不9) else isyear = false; if(!isyear) break; 在判断 isyear = true; 31) { && Integer.parseInt(month) <= 12) ismonth = true; for (int i = 0; i < day.length(); i++) { } if (isday) { if (Integer.parseInt(day) >= 1&& Integer.parseInt(day) <= { isday = true; for(int i = 0; i < hour.length(); i++) { int num = int num = Character.getNumericValue(day.charAt(i)); if (num >= 0 && num <= 9) isday = true; else isday = false; if (!isday) // 如果不符合就跳出，不在判断 break; Character.getNumericValue(hour.charAt(i)); } if(num >= 0&&num <= 9) ishour = true; else ishour = false; if(!ishour) // 如果不符合就跳出，不在判 break; 断 if(ishour) { if(Integer.parseInt(hour) { ishour = true; for(int i = 0; i < minute.length(); i++) { >= 0&&Integer.parseInt(hour) <= 59) } int num = Character.getNumericValue(minute.charAt(i)); if(num >= 0&&num <= 9) isminute = true; else isminute = false; if(!isminute) // 如果不符合就跳 break; 出，不在判断 if(isminute) { if(Integer.parseInt(minute) { >= 0&&Integer.parseInt(minute) <= 59) isminute = true; for(int i = 0; i < second.length(); { int num = i++) Character.getNumericValue(second.charAt(i)); 符合就跳出，不在判断 if(num >= 0&&num <= 9) issecond = true; else issecond = false; if(!issecond) // 如果不 break; } if(issecond) { if(Integer.parseInt(second) >= 0&&Integer.parseInt(second) <= 59) issecond = true; } ishour = false; } else issecond = false; }else isminute = false; }else } }else // } } } } isday = false; } } else ismonth = false; if(isyear&&ismonth&&isday) System.out.println("输入的时间正确"); else System.out.println("输入的时间格式不正确 "); }else{ System.out.println("时间字段不足"); } String str = "1970年01月01号00点00分00秒"; int str1 = Integer.parseInt(time1.substring(0, 4)) - 1970; int str2 = Integer.parseInt(time1.substring(5, 7)) - 1; int str3 = Integer.parseInt(time1.substring(8, 10)) - 1; int str4 = Integer.parseInt(time1.substring(11, 13)); int str5 = Integer.parseInt(time1.substring(14, 16)); int str6 = Integer.parseInt(time1.substring(17, 19)); System.out.println(); System.out.println("您输入的时间距离1970年1月1日00点00分00秒: "); System.out.println(str1 + "年" + str2 + "个月" + str3 + "天" + str4 + "小时" + str5 + "分 int time = str4 + str3 * 24 + str2 * 24 * 30 + str1 * 24 * 30 * 12; System.out.println(); System.out.print("或者说，距离1970年1月1日000点00分00秒"); System.out.println(time +"小时" + str5 + "分" + str6 + " 秒"); " + str6 + "秒"); } Time的测试包: package com.time; public class timeTest { /** * @param args } */ public static void main(String[] args) { Time t = new Time(); } t.timeshow();