public class PageBean {
private int currentPage;
private int pageSize;
private Long recordCount;
private List recordList;
private int pageCount;
private int beginPageIndex;
private int endPageIndex;
public PageBean(int pageNum, int pageSize, Long recordCount, List recordList) {
this.currentPage = pageNum;
this.pageSize = pageSize;
this.recordCount = recordCount;
this.recordList = recordList;
if (recordCount % pageSize != 0) {
this.pageCount = recordCount.intValue() / pageSize + 1;
} else {
this.pageCount = recordCount.intValue() / pageSize;
}
if (pageCount <= 10) {
this.beginPageIndex = 1;
this.endPageIndex = pageCount;
} else {
this.beginPageIndex = this.currentPage - 4;
this.endPageIndex = this.currentPage + 5;
if(beginPageIndex < 1){
this.beginPageIndex = 1;
this.endPageIndex = 10;
}else if(this.endPageIndex > this.pageCount){
this.endPageIndex = this.pageCount;
this.beginPageIndex = this.pageCount - 10 + 1;
}
}
}
public int getCurrentPage() {
return currentPage;
}
public void setCurrentPage(int currentPage) {
this.currentPage = currentPage;
}
public int getPageCount() {
return pageCount;
}
public void setPageCount(int pageCount) {
this.pageCount = pageCount;
}
public int getPageSize() {
return pageSize;
}
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
public Long getRecordCount() {
return recordCount;
}
public void setRecordCount(Long recordCount) {
this.recordCount = recordCount;
}
public List getRecordList() {
return recordList;
}
public void setRecordList(List recordList) {
this.recordList = recordList;
}
public int getBeginPageIndex() {
return beginPageIndex;
}
public void setBeginPageIndex(int beginPageIndex) {
this.beginPageIndex = beginPageIndex;
}
public int getEndPageIndex() {
return endPageIndex;
}
public void setEndPageIndex(int endPageIndex) {
this.endPageIndex = endPageIndex;
}
}
Service层:
@Override
public PageBean getPageBean(int pageNum) {
int pageSize = Configuration.getPageSize();
Long recordCount = dao.getCount();
List<Forum> recordList = dao.findAllByPageSize(pageNum, pageSize);
return new PageBean(pageNum, pageSize, recordCount, recordList);
}
