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pktsandy	发表于：10-09-17 09:39 [取消收藏] [添加收藏] 楼主 [回复] #Top#
人气：1181 积分：3438 金币：29313	类4 BLOG中的!如果不明白看看我的BLOG吧！随便推广一下: 我的BLOG SELECT MAX(p.kid) AS ID,ktitle,IFNULL(kpath,'')AS path FROM king__article p WHERE p.kid<13 UNION SELECT MIN(n.kid) AS ID,ktitle,IFNULL(kpath,'')AS path FROM king__article n WHERE n.kid>13; Ta最近还发表过 [分享] MYSQL5.5的中文手册 (19-03-22) [分享] 留言的修改版 (18-02-26) [分享] KC PHP源代码剖析(慢慢补充) (16-02-18) [使用] 新闻内容页的分页 (14-08-24) [使用] 货栈评论JS动态翻页 (13-11-08) 随机阅读 [疑问] 企业PHP版在生成网站文件导致服务器负载高 (14-12-18) [建议] 在建设网站的时候必须要注重的几点 (13-01-18) [分享] 传说中的K9真相，K迷们 (12-08-17) [疑问] 咨询关于定制程序问题 (12-04-05) [分享] 网站主需注重用户体验 (12-04-01)

pktsandy

发表于：10-09-17 09:39 [取消收藏] [添加收藏] 楼主 [回复] #Top#

人气：1181 积分：3438 金币：29313

类4 BLOG中的!如果不明白看看我的BLOG吧！随便推广一下:
我的BLOG
SELECT MAX(p.kid) AS ID,ktitle,IFNULL(kpath,'')AS path FROM king__article p WHERE p.kid<13
UNION
SELECT MIN(n.kid) AS ID,ktitle,IFNULL(kpath,'')AS path FROM king__article n WHERE n.kid>13;

Ta最近还发表过 [分享] MYSQL5.5的中文手册 (19-03-22) [分享] 留言的修改版 (18-02-26) [分享] KC PHP源代码剖析(慢慢补充) (16-02-18) [使用] 新闻内容页的分页 (14-08-24) [使用] 货栈评论JS动态翻页 (13-11-08)

随机阅读 [疑问] 企业PHP版在生成网站文件导致服务器负载高 (14-12-18) [建议] 在建设网站的时候必须要注重的几点 (13-01-18) [分享] 传说中的K9真相，K迷们 (12-08-17) [疑问] 咨询关于定制程序问题 (12-04-05) [分享] 网站主需注重用户体验 (12-04-01)

pktsandy	发表于：10-09-17 09:41 沙发 [回复] #Top#
人气：1181 积分：3438 金币：29313	不明白怎么调用的看我写的另一篇: 文章的相关记录SQL语句 http://www.kingcms.com/forums/Share/t11119/ 这个只要开启dbquery模块就可以了

pktsandy	发表于：10-09-17 09:45 板凳 [回复] #Top#
人气：1181 积分：3438 金币：29313	如果你用的不是MySQL只要对应手册找关于null的判断即可.KC PHP的kpath的列定义不允许NULL.当当前文章是第一条或最后一条时上一条或下一条为NULL

pktsandy	发表于：10-09-17 10:35 4楼 [回复] #Top#
人气：1181 积分：3438 金币：29313	templateinsidearticle[page]default.htm <h1>{king:title/}</h1> <p> 来源： {king:_source split="\|"} <a href="{king:_source_2/}" target="_blank">{king:_source_1/}</a> {/king:_source} 作者：{king:_author/} 热度：{king:hit/} 日期:{king:date formatdate="y-m-d, h:i A"/} <div id="article_navi"> <ul> {king:dbquery query="SELECT MAX(p.kid) AS ID,ktitle,IFNULL(kpath,'')AS path FROM king__article p WHERE p.kid<(king:kid/) and p.listid=(select listid from king__article where kid=(king:kid/)) UNION SELECT MIN(n.kid) AS ID,ktitle,IFNULL(kpath,'')AS path FROM king__article n WHERE n.kid>(king:kid/) and n.listid=(select listid from king__article where kid=(king:kid/))"} <li><a href="{king:path/}">{king:ktitle/}</a></li> {/king:dbquery} </ul> </div> ... 用一幅宽500px高35的背景图+下面的CSS #article_navi{float:left;width:100%;border:1px solid #ddd;} #article_navi ul{float:left;margin:0;padding:0;list-style:none;height:35px;width:500px;background-image:url(_r1_c1.gif);} #article_navi ul li{float:left;width:200px;padding:10px 0 0 50px;} 效果图如下:

pktsandy

发表于：10-09-17 10:35 4楼 [回复] #Top#

人气：1181 积分：3438 金币：29313

templateinsidearticle[page]default.htm
<h1>{king:title/}</h1>

<p>
来源：
{king:_source split="|"}
   <a href="{king:_source_2/}" target="_blank">{king:_source_1/}</a>
{/king:_source}

作者：{king:_author/}

热度：{king:hit/}

日期:{king:date formatdate="y-m-d, h:i A"/}
<div id="article_navi">
<ul>
     {king:dbquery query="SELECT MAX(p.kid) AS ID,ktitle,IFNULL(kpath,'')AS path FROM king__article p WHERE p.kid<(king:kid/) and p.listid=(select listid from king__article where kid=(king:kid/)) UNION SELECT MIN(n.kid) AS ID,ktitle,IFNULL(kpath,'')AS path FROM king__article n WHERE n.kid>(king:kid/) and n.listid=(select listid from king__article where kid=(king:kid/))"}
             <li><a href="{king:path/}">{king:ktitle/}</a></li>
     {/king:dbquery}
</ul>
</div>
...
用一幅宽500px高35的背景图+下面的CSS
#article_navi{float:left;width:100%;border:1px solid #ddd;}
#article_navi ul{float:left;margin:0;padding:0;list-style:none;height:35px;width:500px;background-image:url(_r1_c1.gif);}
#article_navi ul li{float:left;width:200px;padding:10px 0 0 50px;}
效果图如下:

文章显示的中的上一篇和下一篇SQL[图1]

pktsandy	发表于：10-09-17 14:59 `编辑于：09-17 16:48` 5楼 [回复] #Top#
人气：1181 积分：3438 金币：29313	非图片背景版: <div id="article_navi"><ul> {king:dbquery query="SELECT MAX(p.kid) AS ID,p.ktitle,IFNULL(p.kpath,'')AS path,pd.pd_ID AS PID FROM king__article p,(select listid AS m_id,kid AS pd_ID from king__article where kid=(king:kid/)) pd WHERE p.kid<pd.pd_ID and p.listid=pd.m_id UNION SELECT MIN(n.kid) AS ID,n.ktitle,IFNULL(n.kpath,'')AS path,nd.nd_ID AS PID FROM king__article n,(select listid AS m_id,kid AS nd_ID from king__article where kid=(king:kid/)) nd WHERE n.kid>nd.nd_ID and n.listid=nd.m_id"} <?php $prom_title=({king:ID/}<{king:PID/})?"上一篇":"下一篇"; if(!is_null("{king:ktitle/}")){ echo "<li>".$prom_title.": <a href="{king:path/}">{king:ktitle/}</a></li>"; }?> {/king:dbquery} </ul></div>

pktsandy

发表于：10-09-17 14:59 编辑于：09-17 16:48 5楼 [回复] #Top#

人气：1181 积分：3438 金币：29313

非图片背景版:
<div id="article_navi"><ul>
     {king:dbquery query="SELECT MAX(p.kid) AS ID,p.ktitle,IFNULL(p.kpath,'')AS path,pd.pd_ID AS PID FROM king__article p,(select listid AS m_id,kid AS pd_ID from king__article where kid=(king:kid/)) pd WHERE p.kid<pd.pd_ID and p.listid=pd.m_id UNION SELECT MIN(n.kid) AS ID,n.ktitle,IFNULL(n.kpath,'')AS path,nd.nd_ID AS PID FROM king__article n,(select listid AS m_id,kid AS nd_ID from king__article where kid=(king:kid/)) nd WHERE n.kid>nd.nd_ID and n.listid=nd.m_id"}
             <?php
             $prom_title=({king:ID/}<{king:PID/})?"上一篇":"下一篇";
             if(!is_null("{king:ktitle/}")){
                  echo "<li>".$prom_title.": <a href="{king:path/}">{king:ktitle/}</a></li>";
             }?>
     {/king:dbquery}
</ul></div>

pktsandy	发表于：10-09-17 15:04 6楼 [回复] #Top#
人气：1181 积分：3438 金币：29313	SQL语句的可读版 SELECT MAX(p.kid) AS ID, p.ktitle, IFNULL(p.kpath,'')AS path, pd.pd_ID AS PID FROM king__article p, (select listid AS m_id,kid AS pd_ID from king__article where kid=11) pd WHERE p.kid<pd.pd_ID and p.listid=pd.m_id UNION SELECT MIN(n.kid) AS ID, n.ktitle, IFNULL(n.kpath,'')AS path, nd.nd_ID AS PID FROM king__article n, (select listid AS m_id,kid AS nd_ID from king__article where kid=11) nd WHERE n.kid>nd.nd_ID and n.listid=nd.m_id;

pktsandy

发表于：10-09-17 15:04 6楼 [回复] #Top#

人气：1181 积分：3438 金币：29313

SQL语句的可读版
SELECT MAX(p.kid) AS ID,
       p.ktitle,
       IFNULL(p.kpath,'')AS path,
       pd.pd_ID AS PID
FROM
       king__article p,
       (select listid AS m_id,kid AS pd_ID from king__article where kid=11) pd
WHERE
       p.kid<pd.pd_ID and p.listid=pd.m_id

UNION

SELECT
       MIN(n.kid) AS ID,
       n.ktitle,
       IFNULL(n.kpath,'')AS path,
       nd.nd_ID AS PID
FROM
       king__article n,
       (select listid AS m_id,kid AS nd_ID from king__article where kid=11) nd
WHERE
       n.kid>nd.nd_ID and n.listid=nd.m_id;

pktsandy	发表于：10-09-17 15:08 7楼 [回复] #Top#
人气：1181 积分：3438 金币：29313

pktsandy	发表于：10-09-18 07:50 8楼 [回复] #Top#
人气：1181 积分：3438 金币：29313	即使你用有背景的图片来显示上一篇和下一篇也推荐用下面的SQL。这条SQL需要的开销比较大: SELECT MAX(p.kid) AS ID, ktitle, IFNULL(kpath,'')AS path FROM king__article p WHERE p.kid<(king:kid/) and p.listid=(select listid from king__article where kid=(king:kid/)) UNION SELECT MIN(n.kid) AS ID, ktitle, IFNULL(kpath,'')AS path FROM king__article n WHERE n.kid>(king:kid/) and n.listid=(select listid from king__article where kid=(king:kid/))

pktsandy

发表于：10-09-18 07:50 8楼 [回复] #Top#

人气：1181 积分：3438 金币：29313

即使你用有背景的图片来显示上一篇和下一篇也推荐用下面的SQL。
这条SQL需要的开销比较大:
SELECT
      MAX(p.kid) AS ID,
      ktitle,
      IFNULL(kpath,'')AS path
FROM
      king__article p
WHERE
      p.kid<(king:kid/)
      and
      p.listid=(select listid from king__article where kid=(king:kid/))
UNION
SELECT
      MIN(n.kid) AS ID,
      ktitle,
      IFNULL(kpath,'')AS path
FROM
      king__article n
WHERE
      n.kid>(king:kid/)
      and
      n.listid=(select listid from king__article where kid=(king:kid/))

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