关于微服务:从零打造微前端框架实战汽车资讯平台项目

download：从零打造微前端框架：实战“汽车资讯平台”我的项目

package com.zrar.date;
import java.util.Calendar;
/**

• 形容: 此类用于获得以后日期绝对应的月初，月末，季初，季末，年初，年末，返回值均为 String 字符串
• 1、失去以后日期 today()
• 2、失去以后月份月初 thisMonth()
• 3、失去以后月份月底 thisMonthEnd()
• 4、失去以后季度季初 thisSeason()
• 5、失去以后季度季末 thisSeasonEnd()
• 6、失去以后年份年初 thisYear()
• 7、失去以后年份年底 thisYearEnd()
• 8、判断输出年份是否为平年 leapYear
• 注意事项: 日期格局为：xxxx-yy-zz (eg: 2007-12-05)
  *
• 实例:
  *
• @author pure
  */

public class DateThis {

private int x;                  // 日期属性：年
private int y;                  // 日期属性：月
private int z;                  // 日期属性：日
private Calendar localTime;     // 以后日期
public DateThis() {localTime = Calendar.getInstance();
}
/**
 * 性能：失去以后日期 格局为：xxxx-yy-zz (eg: 2007-12-05)<br> 
 * @return String
 * @author pure
 */
public String today() {
    String strY = null;
    String strZ = null;
    x = localTime.get(Calendar.YEAR);
    y = localTime.get(Calendar.MONTH) + 1;
    z = localTime.get(Calendar.DATE);
    strY = y >= 10 ? String.valueOf(y) : ("0" + y);
    strZ = z >= 10 ? String.valueOf(z) : ("0" + z);
    return x + "-" + strY + "-" + strZ;
}
/**
 * 性能：失去以后月份月初 格局为：xxxx-yy-zz (eg: 2007-12-01)<br> 
 * @return String
 * @author pure
 */
public String thisMonth() {
    String strY = null;
    x = localTime.get(Calendar.YEAR);
    y = localTime.get(Calendar.MONTH) + 1;
    strY = y >= 10 ? String.valueOf(y) : ("0" + y);
    return x + "-" + strY + "-01";
}
/**
 * 性能：失去以后月份月底 格局为：xxxx-yy-zz (eg: 2007-12-31)<br> 
 * @return String
 * @author pure
 */
public String thisMonthEnd() {
    String strY = null;
    String strZ = null;
    boolean leap = false;
    x = localTime.get(Calendar.YEAR);
    y = localTime.get(Calendar.MONTH) + 1;
    if (y == 1 || y == 3 || y == 5 || y == 7 || y == 8 || y == 10 || y == 12) {strZ = "31";}
    if (y == 4 || y == 6 || y == 9 || y == 11) {strZ = "30";}
    if (y == 2) {leap = leapYear(x);
        if (leap) {strZ = "29";}
        else {strZ = "28";}
    }
    strY = y >= 10 ? String.valueOf(y) : ("0" + y);
    return x + "-" + strY + "-" + strZ;
}
/**
 * 性能：失去以后季度季初 格局为：xxxx-yy-zz (eg: 2007-10-01)<br> 
 * @return String
 * @author pure
 */
public String thisSeason() {
    String dateString = "";
    x = localTime.get(Calendar.YEAR);
    y = localTime.get(Calendar.MONTH) + 1;
    if (y >= 1 && y <= 3) {dateString = x + "-" + "01" + "-" + "01";}
    if (y >= 4 && y <= 6) {dateString = x + "-" + "04" + "-" + "01";}
    if (y >= 7 && y <= 9) {dateString = x + "-" + "07" + "-" + "01";}
    if (y >= 10 && y <= 12) {dateString = x + "-" + "10" + "-" + "01";}
    return dateString;
}
/**
 * 性能：失去以后季度季末 格局为：xxxx-yy-zz (eg: 2007-12-31)<br> 
 * @return String
 * @author pure
 */
public String thisSeasonEnd() {
    String dateString = "";
    x = localTime.get(Calendar.YEAR);
    y = localTime.get(Calendar.MONTH) + 1;
    if (y >= 1 && y <= 3) {dateString = x + "-" + "03" + "-" + "31";}
    if (y >= 4 && y <= 6) {dateString = x + "-" + "06" + "-" + "30";}
    if (y >= 7 && y <= 9) {dateString = x + "-" + "09" + "-" + "30";}
    if (y >= 10 && y <= 12) {dateString = x + "-" + "12" + "-" + "31";}
    return dateString;
}
/**
 * 性能：失去以后年份年初 格局为：xxxx-yy-zz (eg: 2007-01-01)<br> 
 * @return String
 * @author pure
 */
public String thisYear() {x = localTime.get(Calendar.YEAR);
    return x + "-01" + "-01";
}
/**
 * 性能：失去以后年份年底 格局为：xxxx-yy-zz (eg: 2007-12-31)<br> 
 * @return String
 * @author pure
 */
public String thisYearEnd() {x = localTime.get(Calendar.YEAR);
    return x + "-12" + "-31";
}
/**
 * 性能：判断输出年份是否为平年 <br>
 * 
 * @param year
 * @return 是：true  否：false
 * @author pure
 */
public boolean leapYear(int year) {
    boolean leap;
    if (year % 4 == 0) {if (year % 100 == 0) {if (year % 400 == 0) leap = true;
            else leap = false;
        }
        else leap = true;
    }
    else leap = false;
    return leap;
}

}