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  • 判断设置的时间是否大于当前时间

    import com.example.demo.Demo.dto.Student;
    
    import java.text.DateFormat;
    import java.text.ParseException;
    import java.text.SimpleDateFormat;
    import java.util.Calendar;
    import java.util.Date;
    
    public class Test03 {
        private final static DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    
        public static void main(String[] args) throws ParseException {
    
            //TODO 设置当前时间    return 当前时间: 2021-07-06 11:37:17 没有超过今天
            String str = "2021-07-06 11:37:17";
    
            Student student = new Student();
            student.setId(24);
            student.setName("瑶瑶");
            student.setBirthday(dateFormat.parse(str));
    
            System.err.println(f(student));
        }
    
    
        private static String f(Student student) {
            Date now;
            Calendar c = Calendar.getInstance();
            try {
                //获取当前日期
                now = new Date(c.get(Calendar.YEAR), c.get(Calendar.MONTH) + 1, c.get(Calendar.DAY_OF_MONTH));
                //截取前端传的日期
                String format = dateFormat.format(student.getBirthday());
                //截取前端传的日期
                Date createDateResource = new Date(Integer.parseInt(format.substring(0, 4)), Integer.parseInt(format.substring(5, 7)), Integer.parseInt(format.substring(8, 10)));
                if (createDateResource.after(now)) {
                    //创建时间不能大于当前时间
                    return "当前时间: " + format + " 超过了今天";
                } else {
                    return "当前时间: " + format + " 没有超过今天";
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            return null;
        }
    }
    
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  • 原文地址:https://www.cnblogs.com/Twittery/p/14976255.html
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