systime.java

来自「基于WEB的作业提交系统,是用JSP,JBUILDER,TOMCAT,MYSQL」· Java 代码 · 共 44 行

package work.tools;

import java.util.*;

public class SysTime {
    public static void main(String[] rgs) {
        System.out.println(SysTime.getSysTime());
    }
    public static String getSysTime() {
        String time = "";

        Calendar cal = Calendar.getInstance();
        time = cal.get(Calendar.YEAR) + "-" + (cal.get(Calendar.MONTH) + 1) +
               "-" +
               cal.get(Calendar.DATE) + " " + cal.get(Calendar.HOUR_OF_DAY) +
               ":" +
               cal.get(Calendar.MINUTE) + ":" + cal.get(Calendar.SECOND);
        return time;
    }

    public static String getWelcome() {
        String welcome = "";//问候语
        int hour = 0;
        Calendar cal = Calendar.getInstance();
        hour = cal.get(Calendar.HOUR_OF_DAY);
        if (hour >= 0 && hour < 8) {
            welcome = "早上好！";
        } else if (hour >=8 && hour < 11) {
            welcome = "上午好！";
        } else if (hour >=11 && hour < 13) {
            welcome = "中午好！";
        } else if (hour >= 13 && hour < 18) {
            welcome = "下午好！";
        } else if (hour >= 18 && hour < 22) {
            welcome = "晚上好！";
        } else if (hour < 24 && hour >= 22) {
            welcome = "午夜好！";
        } else {
            welcome = "你好！";
        }
        return welcome;
    }
}