java/android处理本地分页的工具类

/**
* 分页加载索引器
*
* @param index    注意这个过些从0开始
* @param pageSize
* @return
*/
public List<LoveMoreEntity> getPageData(int index, int pageSize) {

if (getloveMoreList().size() == 0 || getloveMoreList().size() <= pageSize) return null;

int nTotalPage = getloveMoreList().size() / pageSize;
int nRestNum = getloveMoreList().size() % pageSize;

if (index < nTotalPage) {

int max = -1;
if((index + 1) * pageSize >= getloveMoreList().size()){
max = getloveMoreList().size();
}else{
max = (index + 1) * pageSize;
}
return getloveMoreList().subList(index * pageSize, max);

} else if (index == nTotalPage) {

if (nRestNum == 0) {
return getloveMoreList().subList((index - 1) * pageSize, index * pageSize);
} else {
return getloveMoreList().subList(index * pageSize, index * pageSize + nRestNum);
}

} else {
System.out.println("输入页面索引非法，列表最大页数为：" + nTotalPage + "  输入的页面数为：" + index);
return null;
}
}