按指定的方式打印输出回环金字塔数列。

按指定的方式打印输出回环金字塔数列。
示例：
n = 3
输出：
1
3*2
4*5*6

    n = 7
    输出：
    1
    3*2
    4*5*6
    10*9*8*7
    11*12*13*14*15
    21*20*19*18*17*16
    22*23*24*25*26*27*28

public class HelloWorld {
    public static void main(String []args) {
        int n = 7;
        int c = 1;
        for (int i = 1; i <= n; i++)
        {
            int d = c;
            if (i % 2 == 0)
            {
                for (int j = d + i - 1; j >= d; j--)
                {
                    if (j != d + i - 1) System.out.print("*");
                    System.out.print(j);
                    c++;
                }
            }
            else
            {
                for (int j = d; j < d + i; j++)
                {
                    if (j != d) System.out.print("*");
                    System.out.print(j);
                    c++;
                }               
            }
            System.out.println();
        }
    }
}

1
3*2
4*5*6
10*9*8*7
11*12*13*14*15
21*20*19*18*17*16
22*23*24*25*26*27*28

package com.thinkgem.jeesite.test;

import java.util.List;
import java.util.Scanner;

public class Test {

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    System.out.println("输入层高");
    int floor = sc.nextInt();
    Test.getStringArray(1, floor);
}


public static void getStringArray(int first, int n) {
    int start = first * (first - 1) / 2 + 1;
    if (first % 2 == 0) {
        for (int i = start + first - 1; i >= start; i--) {
            System.out.print(i + "\t");
        }
    } else {
        for (int i = start; i < start + first; i++) {
            System.out.print(i + "\t");
        }
    }
    System.out.println();
    if (first == n) {
        return;
    }
    getStringArray(++first, n);
}

}