分页实现步骤算法思路

package com.jiaguwen.zero;

import java.util.Scanner;

public class Pages {
	public static void main(String[] args){
		//totalCount总条数
		//pageCount每页总条数
		//totalPage总页数
		@SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);
		System.out.println("请输入总条数：");
		int totalCount = sc.nextInt();
		System.out.println("请输入每页总条数：");
		int pageCount = sc.nextInt();
		
		int totalPage=0;
		
		if(totalCount % pageCount == 0){
			totalPage=totalCount/pageCount;
		}else{
			totalPage=totalCount/pageCount+1;
		}
		System.out.println("总页数为："+totalPage);
		
		while(true){
			System.out.println("请输入查询的页数：");
			int n = sc.nextInt();
			
			int start=0,end=0;
			
			if(n>totalPage||n<1){
				System.out.println("没有此页！！！");
			}else{
				if(totalCount % pageCount == 0){
					start=(n-1)*pageCount+1;
					end=n*pageCount;
				}else{
					start=(n-1)*pageCount+1;
					
					if(1<=n && n<totalPage){
						end=n*pageCount;
					}else{
						end=totalCount;
					}
					
				}
				System.out.println("查询第"+n+"的页面信息为："+"起始条目"+start+",结束条目为"+end);
			}
		}
		
	}
}