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锁定老帖子 主题：仿je分页标签显示
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发表时间：2009-07-07
最后修改：2009-07-22
这几天一直在看je的分页显示觉得做的非常不错.很合理人性化.于是乎自己也想搞个.网上找了找.貌似je用的是displaytag组件实现的..自己实在是懒.没去看.从网上找了段代码,然后修修补补改成如下格式
不过没有je做的好.有些地方没多想.请大家完善(这里的css是借用je的..robbin老大多包涵) 
然后发算法类
package com.smallq.util;
import java.util.ArrayList;
import java.util.List;
public class RefactorPage {
public static void main(String[] args) {
List<String> l = RefactorPage.getPageHref(7, 4, "pageAction.do?page");
for (String s : l) {
System.out.println(s);
}
}
/**
* 分页链接显示
*
* @param totalPage
* @param page
* @param url
* @return
*/
public static List<String> getPageHref(int totalPage, int page, String url) {
List<String> list = new ArrayList<String>();
list.add("<div class='pagination'>");
// 判断是否首页
if (page != 1) {
list.add("<a href=" + url + "=" + (page - 1)
+ " class='prev_page' rel='prev start'>« 上一页</a> ");
} else {
list.add("<span class='disabled prev_page'>« 上一页</span> ");
}
// 如果总页数小于7,全部输出
if (totalPage < 7) {
outAll(totalPage, page, url, list);
}
// 如果一共7页
if (totalPage == 7) {
// 如果是前两页
if (page < 3) {
previousTwoPage(page, url, list);
addFootPage(totalPage, url, list);
} else
// 如果是最后两页
if (page > totalPage - 2) {
addHeadPage(url, list);
lastTwoPage(totalPage, page, url, list);
} else {
outAll(totalPage, page, url, list);
}
}
// 如果总页数是8
if (totalPage == 8) {
// 如果是前两页
if (page < 3) {
previousTwoPage(page, url, list);
addFootPage(totalPage, url, list);
} else
// 如果是最后两页
if (page > totalPage - 2) {
addHeadPage(url, list);
lastTwoPage(totalPage, page, url, list);
// 第三页
} else if (page == 3) {
thirdPage(page, url, list);
addFootPage(totalPage, url, list);
// 倒数第三页
} else if (page == totalPage - 2) {
countDownThirdPage(totalPage, page, url, list);
} else {
{
outAll(totalPage, page, url, list);
}
}
}
// 如果总页数是9
if (totalPage == 9) {
// 如果是前两页
if (page < 3) {
previousTwoPage(page, url, list);
addFootPage(totalPage, url, list);
} else
// 如果是最后两页
if (page > totalPage - 2) {
addHeadPage(url, list);
lastTwoPage(totalPage, page, url, list);
// 第三页
} else if (page == 3) {
thirdPage(page, url, list);
addFootPage(totalPage, url, list);
// 倒数第三页
} else if (page == totalPage - 2) {
countDownThirdPage(totalPage, page, url, list);
// 第四页
} else if (page == 4) {
forthPage(page, url, list);
addFootPage(totalPage, url, list);
// 倒数第四页
} else if (page == 6) {
addHeadPage(url, list);
countDownForthPage(totalPage, page, url, list);
} else {
{
outAll(totalPage, page, url, list);
}
}
}
// 如果总页数是10
if (totalPage == 10) {
// 如果是前两页
if (page < 3) {
previousTwoPage(page, url, list);
addFootPage(totalPage, url, list);
} else
// 如果是最后两页
if (page > totalPage - 2) {
addHeadPage(url, list);
lastTwoPage(totalPage, page, url, list);
} else if (page == 3) {
thirdPage(page, url, list);
addFootPage(totalPage, url, list);
} else if (page == totalPage - 2) {
countDownThirdPage(totalPage, page, url, list);
} else if (page == 4) {
forthPage(page, url, list);
addFootPage(totalPage, url, list);
} else if (page == totalPage - 3) {
addHeadPage(url, list);
countDownForthPage(totalPage, page, url, list);
} else if (page == 5) {
fifthPage(page, url, list);
addFootPage(totalPage, url, list);
} else if (page == totalPage - 4) {
addHeadPage(url, list);
countDownFifthPage(totalPage, page, url, list);
} else {
{
outAll(totalPage, page, url, list);
}
}
}
if (totalPage > 10) {
// 如果是前两页
if (page < 3) {
previousTwoPage(page, url, list);
addFootPage(totalPage, url, list);
} else
// 如果是最后两页
if (page > totalPage - 2) {
addHeadPage(url, list);
lastTwoPage(totalPage, page, url, list);
// 如果是第三页
} else if (page == 3) {
thirdPage(page, url, list);
addFootPage(totalPage, url, list);
} else if (page == totalPage - 2) {
countDownThirdPage(totalPage, page, url, list);
// 第4页
} else if (page == 4) {
forthPage(page, url, list);
addFootPage(totalPage, url, list);
} else if (page == totalPage - 3) {
addHeadPage(url, list);
countDownForthPage(totalPage, page, url, list);
} else if (page == 5) {
fifthPage(page, url, list);
addFootPage(totalPage, url, list);
} else if (page == totalPage - 4) {
addHeadPage(url, list);
countDownFifthPage(totalPage, page, url, list);
} else {
addHeadPage(url, list);
// 中间
list.add("<a href=" + url + "=" + (page - 1) + ">" + (page - 1)
+ "</a>");
list.add("<span class='current'>" + page + "</span>");
list.add("<a href=" + url + "=" + (page + 1) + ">" + (page + 1)
+ "</a>");
// 后段
addFootPage(totalPage, url, list);
}
}
// 判断是否尾页
if (page != totalPage) {
list.add(" <a href=" + url + "=" + (page + 1)
+ " class='next_page' rel='next'>下一页 »</a>");
} else {
list.add(" <span class='disabled next_page'>下一页 »</span>");
}
list.add("</div>");
return list;
}
/**
* 输出全部
*
* @param totalPage
* @param page
* @param url
* @param list
*/
private static void outAll(int totalPage, int page, String url,
List<String> list) {
for (int i = 0; i < totalPage; i++) {
if ((i + 1) == page) {
list.add("<span class='current'>" + page + "</span>");
i = i + 1;
if (page == totalPage)
break;
}
list.add("<a href=" + url + "=" + (i + 1) + ">" + (i + 1) + "</a>");
}
}
/**
* 前两页
*
* @param page
* @param url
* @param list
*/
private static void previousTwoPage(int page, String url, List<String> list) {
for (int i = 0; i < 3; i++) {
if (i + 1 == page) {
list.add("<span class='current'>" + page + "</span>");
i = i + 1;
}
list.add("<a href=" + url + "=" + (i + 1) + " rel='next'>"
+ (i + 1) + "</a>");
}
}
/**
* 后两页
*
* @param totalPage
* @param page
* @param url
* @param list
*/
private static void lastTwoPage(int totalPage, int page, String url,
List<String> list) {
for (int i = totalPage - 3; i < totalPage; i++) {
if (i + 1 == page) {
list.add("<span class='current'>" + page + "</span>");
i = i + 1;
if (page == totalPage)
break;
}
list.add("<a href=" + url + "=" + (i + 1) + ">" + (i + 1) + "</a>");
}
}
/**
* 第三页
*
* @param page
* @param url
* @param list
*/
private static void thirdPage(int page, String url, List<String> list) {
for (int i = 0; i < 4; i++) {
if (i + 1 == page) {
list.add("<span class='current'>" + page + "</span>");
i = i + 1;
}
list.add("<a href=" + url + "=" + (i + 1) + " rel='next'>"
+ (i + 1) + "</a>");
}
}
/**
* 倒数第三页
*
* @param totalPage
* @param page
* @param url
* @param list
*/
private static void countDownThirdPage(int totalPage, int page, String url,
List<String> list) {
addHeadPage(url, list);
for (int i = totalPage - 4; i < totalPage; i++) {
if (i + 1 == page) {
list.add("<span class='current'>" + page + "</span>");
i = i + 1;
if (page == totalPage)
break;
}
list.add("<a href=" + url + "=" + (i + 1) + ">" + (i + 1) + "</a>");
}
}
/**
* 第四页
*
* @param page
* @param url
* @param list
*/
private static void forthPage(int page, String url, List<String> list) {
for (int i = 0; i < 5; i++) {
if (i + 1 == page) {
list.add("<span class='current'>" + page + "</span>");
i = i + 1;
}
list.add("<a href=" + url + "=" + (i + 1) + " rel='next'>"
+ (i + 1) + "</a>");
}
}
/**
* 倒数第四页
*
* @param totalPage
* @param page
* @param url
* @param list
*/
private static void countDownForthPage(int totalPage, int page, String url,
List<String> list) {
for (int i = totalPage - 5; i < totalPage; i++) {
if (i + 1 == page) {
list.add("<span class='current'>" + page + "</span>");
i = i + 1;
if (page == totalPage)
break;
}
list.add("<a href=" + url + "=" + (i + 1) + ">" + (i + 1) + "</a>");
}
}
/**
* 倒数第五页
*
* @param totalPage
* @param page
* @param url
* @param list
*/
private static void countDownFifthPage(int totalPage, int page, String url,
List<String> list) {
for (int i = totalPage - 6; i < totalPage; i++) {
if (i + 1 == page) {
list.add("<span class='current'>" + page + "</span>");
i = i + 1;
if (page == totalPage)
break;
}
list.add("<a href=" + url + "=" + (i + 1) + ">" + (i + 1) + "</a>");
}
}
/**
* 第五页
*
* @param page
* @param url
* @param list
*/
private static void fifthPage(int page, String url, List<String> list) {
for (int i = 0; i < 6; i++) {
if (i + 1 == page) {
list.add("<span class='current'>" + page + "</span>");
i = i + 1;
}
list.add("<a href=" + url + "=" + (i + 1) + " rel='next'>"
+ (i + 1) + "</a>");
}
}
/**
* 添加尾部
*
* @param totalPage
* @param url
* @param list
*/
private static void addFootPage(int totalPage, String url, List<String> list) {
list.add(" <span class='gap'>…</span> ");
list.add("<a href=" + url + "=" + (totalPage - 1) + ">"
+ (totalPage - 1) + "</a>");
list.add("<a href=" + url + "=" + (totalPage) + ">" + (totalPage)
+ "</a>");
}
/**
* 添加头
*
* @param url
* @param list
*/
private static void addHeadPage(String url, List<String> list) {
list.add("<a href=" + url + "=" + (1) + ">" + (1) + "</a>");
list.add("<a href=" + url + "=" + (2) + ">" + (2) + "</a>");
list.add(" <span class='gap'>…</span> ");
}
}
css
body {
text-align: left;
font-family: Arial, sans-serifarial, Verdana, Helvetica;
font-size: 12px;
line-height: 1.5;
color: black;
}
.pagination {
padding: 5px;
float: left;
}
.pagination a,.pagination a:link,.pagination a:visited {
padding: 2px 5px 2px 5px;
margin: 2px;
border: 1px solid #aaaadd;
text-decoration: none;
color: #006699;
}
.pagination a:hover,.pagination a:active {
border: 1px solid #006699;
color: #000;
text-decoration: none;
}
.pagination span.current {
padding: 2px 5px 2px 5px;
margin: 2px;
border: 1px solid #006699;
font-weight: bold;
background-color: #006699;
color: #FFF;
}
.pagination span.disabled {
padding: 2px 5px 2px 5px;
margin: 2px;
border: 1px solid #eee;
color: #ddd;
}
html代码
<%
PageOP p = new PageOP();
List<String> pages = p.getPageHref(pageobj.getPageCount(), pageobj
.getNowPage(),"index.jsp?page");
for(String s:pages){
out.print(s);
}
%>
算法一点都不简洁.请大家帮忙完善,谢谢了 上例子程序 我就不传包了.太慢,一共需要4个包 dbcp的三个.一个数据库连接.一个spring核心包,大家自己添加好了..spring的是2.5.6的 
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