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test2.java
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38 lines (30 loc) · 952 Bytes
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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;
}
}