日期格式获取周(星期)

逃离我推掉我的手 2024-03-17 16:05 277阅读 0赞

### 1：获取到的是英文的周 ###

import org.jeecg.common.util.DateUtils;
    import java.time.DayOfWeek;
    import java.time.LocalDate;
    import java.time.format.DateTimeFormatter;
    	public static void main(String[] args) {
        
    	        String dateString = "2023-07-06";
    	        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
    	        LocalDate date = LocalDate.parse(dateString, formatter);
    	        DayOfWeek dayOfWeek = date2.getDayOfWeek();
    	        String weekdayString = dayOfWeek.toString();
    	        System.out.println(weekdayString);
     }

### 控制台输出 ###

THURSDAY

### 2：获取到的是中文的周 ###

import org.jeecg.common.util.DateUtils;
    import cn.hutool.core.date.DateUtil;
    	public static void main(String[] args) {
        
    	        String dateString="2023-07-06";
    	        Date date = DateUtils.str2Date(dateString, DateUtils.date_sdf.get());
    	        String weekdayString = DateUtil.dayOfWeekEnum(date).toChinese();
    	        System.out.println(weekdayString);
    	 }

### 控制台输出 ###

星期四

### 3：获取到的是中文的周的数字 ###

import org.jeecg.common.util.DateUtils;
    import cn.hutool.core.date.DateUtil;
    	public static void main(String[] args) {
        
    	        String dateString="2023-07-06";
    	        Date date = DateUtils.str2Date(dateString, DateUtils.date_sdf.get());
    	        Integer weekdayInterger = DateUtil.dayOfWeekEnum(date).getValue();
    	        System.out.println(weekdayInterger);
    	 }

### 控制台输出 ###

### cn.hutool.core.date包下的Week类 ###

public enum Week {
        
        SUNDAY(1),
        MONDAY(2),
        TUESDAY(3),
        WEDNESDAY(4),
        THURSDAY(5),
        FRIDAY(6),
        SATURDAY(7);
    
        private final int value;
    
        private Week(int value) {
        
            this.value = value;
        }
    
        public int getValue() {
        
            return this.value;
        }