JSTL分页
<
c:set
var
="basePath"
>${pageContext.request.scheme}://${pageContext.request.serverName}:${pageContext.request.serverPort}${pageContext.request.contextPath}/
</
c:set
>
<
base
href=
"${basePath}"
>
<
c:set
var
="columns"
value
="5"
></
c:set
>
<
table
cellspacing
="0"
cellpadding
="0"
>
<
tr
>
<
th
style
="text-align:center"
colspan
="${columns }"
><
h3
>
列表
</
h3
></
th
>
</
tr
>
<
c:set
var
="page"
value
="${page}"
></
c:set
>
<
c:forEach
var
="word"
varStatus
="status"
items
="${page.result}"
>
<
c:if
test
="${status.index%columns == 0}"
><
tr
></
c:if
>
<
td
><
div
>
${word[0]}
</
div
><
div
class
="colon"
>
:
</
div
><
div
class
="view"
>
${word[1] }
</
div
></
td
>
<
c:if
test
="${status.last&&status.index%columns != (columns-1)}"
>
<
c:forEach
begin
="1"
end
="${columns-1 - status.index%columns}"
step
="1"
>
<
td
></
td
>
</
c:forEach
>
</
c:if
>
<
c:if
test
="${status.index%columns == columns-1||status.last}"
></
tr
></
c:if
>
</
c:forEach
>
<
c:set
var
="btns"
value
="5"
></
c:set
>
<
c:set
var
="halfbtns"
value
="${btns%2==0?btns/2:(btns-btns%2)/2}"
></
c:set
>
<
c:set
var
="middlebtns"
value
="${halfbtns + 1}"
></
c:set
>
<
c:set
var
="pgNum"
value
="${page.pageNo}"
></
c:set
>
<
c:set
var
="pgSize"
value
="${page.pageSize}"
></
c:set
>
<
c:set
var
="totalCount"
value
="${page.totalCount}"
></
c:set
>
<
c:set
var
="totalPage"
value
="${page.totalPage}"
></
c:set
>
<
c:if
test
="${totalCount - pgSize>0}"
>
<
tr
>
<
td
colspan
="${columns }"
>
<
c:forEach
begin
="${pgNum<middlebtns?1:((pgNum+halfbtns-totalPage)>0?((totalPage-btns + 1 > 0)?(totalPage-btns + 1):1):(pgNum-halfbtns))}"
end
="${pgNum<middlebtns?((totalPage>btns)?btns:totalPage):(pgNum>(totalPage-halfbtns)?totalPage:(pgNum+halfbtns))}"
varStatus
="stat"
>
<
c:if
test
="${pgNum>1&&stat.first}"
><
a
class
="pnBtn"
href
="${basePath}servlet?pageno=1&pagesize=${pgSize}"
>
首页
</
a
><
a
class
="pnBtn"
href
="${basePath}servlet?pageno=${pgNum-1}&pagesize=${pgSize}"
>
上一页
</
a
><
c:if
test
="${stat.index>1}"
>
...
</
c:if
></
c:if
>
<
c:if
test
="${stat.index<=totalPage}"
>
<
c:choose
>
<
c:when
test
="${stat.index == pgNum}"
>
<
span
class
="current"
>
${stat.index }
</
span
>
</
c:when
>
<
c:otherwise
>
<
a
href
="${basePat}hservlet?pageno=${stat.index}&pagesize=${pgSize}"
>
${stat.index }
</
a
>
</
c:otherwise
>
</
c:choose
>
</
c:if
>
<
c:if
test
="${(pgNum-totalPage<0)&&stat.last}"
><
c:if
test
="${stat.index<totalPage}"
>
...
</
c:if
><
a
class
="pnBtn"
href
="${basePath}servlet?pageno=${pgNum+1}&pagesize=${pgSize}"
>
下一页
</
a
><
a
class
="pnBtn"
href
="${basePath}servlet?pageno=${totalPage}&pagesize=${pgSize}"
>
末页
</
a
></
c:if
>
</
c:forEach
>
</
td
>
</
tr
>
</
c:if
>
</
table
>
以显示5个按钮为例,
对于起始页,即显示的第一个页码按钮
1.如果当前页小于3,起始页固定为1,
2.如果当前页大于3(包括3),
1.当前页与尾页的差少于2,
1.如果总页数在5页以上(包括5),起始页固定为尾页数过来第5个
2.总页数小于5,起始页固定为1
2.正常情况,起始页为当前页-2
对于末页,即显示的最后一个页码按钮
1.如果当前页小于3
1.如果总页数比5要大,末页为5
2.比5小,末页为尾页
2.当前页大于3
1.当前页与尾页差小于2,末页为尾页
2.否则末页为当前页+2
上面例子中page.result返回的是一个List<Object[]>集合