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package test.java;

import java.util.Calendar;

/**

* Created by redrain on 2017-2-25.

*/

public class test2 {

/**

* @param args

*/

public static void main(String[] args)

{

/**

* 获取最近12个月，经常用于统计图表的X轴

*/

String[] strArr = getLast12Months();

for(int i = 0; i<strArr.length;i++){

System.out.println(strArr[i]);

}

}

public static String[] getLast12Months(){

String[] last12Months = new String[12];

Calendar cal = Calendar.getInstance();

//cal.set(Calendar.MONTH, cal.get(Calendar.MONTH)+1); //要先+1,才能把本月的算进去</span>

for(int i=0; i<12; i++){

cal.set(Calendar.MONTH, cal.get(Calendar.MONTH)-1); //逐次往前推1个月

last12Months[11-i] = cal.get(Calendar.YEAR)+ "-" + (cal.get(Calendar.MONTH)+1);

}

return last12Months;

}

}