/***

• 分页控件
• @author Anny
  */
  public class Pager extends TagSupport {

private Integer curPage; //当前页码
private Integer totalPage; //总页数
private Integer pageSize = 10; //一页显示的记录数
private Integer totalCount = 0; //记录总数
private String formId; //请求的action name
private Integer lastIndex; //结束索引

public int doStartTag() throws JspException {
StringBuffer buffer=new StringBuffer();
JspWriter out = pageContext.getOut();

int pageNumber = 0;
if (totalPage % pageSize == 0) {
pageNumber = totalPage / pageSize;
} else {
pageNumber = (totalPage / pageSize) + 1;
}
if (curPage < 1) {
curPage = 1;
}

try {
if (pageNumber > 0) {
buffer.append("");//script-end

out.print(buffer.toString());

out.append("

} catch (IOException e) {
e.printStackTrace();
}

return super.doStartTag();

}

/**

• 算开始索引
• @param pageNum -
• @param pageSize
• @return
  /
  public static Integer getStartIndex(Integer pageNum,Integer pageSize) {
  Integer res = 0;
  if (pageNum > 0) {
  res = (pageNum - 1) pageSize;
  }
  return res;
  }

/**

• 算结束索引 -- 方法暂时未用
• @param pageSize
• @param totalCount
• @param totalPage
• @param pageNum
• @return
  /
  public static Integer getLastIndex(Integer pageSize,Integer totalCount,Integer totalPage,Integer pageNum){
  //计算结束时候的索引
  Integer lastIndex =0;
  if( totalCount < pageSize){
  lastIndex = totalCount;
  }else if((totalCount % pageSize == 0) || (totalCount % pageSize != 0 && pageNum < totalPage)){
  lastIndex = pageNum pageSize;
  }else if(totalCount % pageSize != 0 && pageNum == totalPage){//最后一页
  lastIndex = totalCount ;
  }
  return lastIndex;
  }

public Integer getLastIndex() {
return lastIndex;
}

public void setLastIndex(Integer lastIndex) {
this.lastIndex = lastIndex;
}

public void setCurPage(Integer curPage) {
this.curPage = curPage;
}

public void setPageSize(Integer pageSize) {
this.pageSize = pageSize;
}

public void setTotalPage(Integer totalPage) {
this.totalPage = totalPage;
}

public void setFormId(String formId) {
this.formId = formId;
}

public Integer getTotalCount() {
return totalCount;
}

public void setTotalCount(Integer totalCount) {
this.totalCount = totalCount;
}

}