Function setDefault

utils/pager.go:297–326

** * 设置默认值 */

(po *PageOptions, totalpages int)

 * 设置默认值
 */
func setDefault(po *PageOptions, totalpages int) *PageOptions {
	if len(po.FirstPageText) <= 0 {
		po.FirstPageText = "&laquo;"
	}
	if len(po.LastPageText) <= 0 {
		po.LastPageText = "&raquo;"
	}
	if len(po.PrePageText) <= 0 {
		po.PrePageText = "&lsaquo;"
	}
	if len(po.NextPageText) <= 0 {
		po.NextPageText = "&rsaquo;"
	}
	if po.CurrentPage >= totalpages {
		po.CurrentPage = totalpages
	}
	if po.CurrentPage <= 1 {
		po.CurrentPage = 1
	}
	if po.LinkItemCount == 0 {
		po.LinkItemCount = 10
	}
	if po.PageSize == 0 {
		po.PageSize = 20
	}
	if len(po.ParamName) <= 0 {
		po.ParamName = "pno"
	}
	return po
}

/**
 *判断首页尾页  上一页下一页是否能用