java 假分页

import java.util.ArrayList;
import java.util.List;

import com.alibaba.druid.sql.dialect.mysql.ast.statement.CobarShowStatus;

public class Pager {

/**
* 当前页码
*/
private int currentPage;
/**
* 总页数
*/
private int totalPage;
/**
* 总行数
*/
private int totalRows;
/**
* 每页显示条数
*/
private int avgRows = 5;
/**
* 原集合
*/
private List list;

public Pager() {
super();
}

public Pager(int currentPage, int avgRows, List list) {
super();
this.currentPage = currentPage;
this.avgRows = avgRows;
this.list = list;
this.totalRows = list.size();
this.totalPage = (this.totalRows - 1) / this.avgRows + 1;
}

public List getPagerList() {
List newList = new ArrayList();
for(int i = (currentPage - 1) * avgRows; i < totalRows && i < currentPage * avgRows; i++) {
newList.add(list.get(i));
}
return newList;
}

public int getCurrentPage() {
return currentPage;
}
public void setCurrentPage(int currentPage) {
this.currentPage = currentPage;
}
public int getTotalPage() {
return totalPage;
}
public void setTotalPage(int totalPage) {
this.totalPage = totalPage;
}
public int getAvgRows() {
return avgRows;
}
public void setAvgRows(int avgRows) {
this.avgRows = avgRows;
}

public int getTotalRows() {
return totalRows;
}

public void setTotalRows(int totalRows) {
this.totalRows = totalRows;
}

public List getList() {
return list;
}

public void setList(List list) {
this.list = list;
}

public static void main(String[] args) {
List<Integer> integers = new ArrayList<Integer>();
for(int i=0;i<99;i++){
integers.add(i);
}

Pager pager = new Pager(4, 10, integers);
System.out.println(pager);
}

@Override
public String toString() {
System.out.println("currentPage="+this.currentPage);
System.out.println("avgRows="+this.avgRows);
System.out.println("totalPage="+this.totalPage);
System.out.println("totalRows="+this.totalRows);
for(Object i:this.getPagerList()){
System.out.print(i+",");
}
return super.toString();
}

}