dedecms中sql标签调用数据实例分析
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>本文实例分析了dedecms中sql标签调用数据的方法。分享给大家供大家参考。具体分析如下：</p>
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在dedecms中我们可以有多种方法调用数据,如果最常用就是自身的标题,还有我们可以直接在模块中执行sql我们可以使用{dede:sql}标签来实例.</p>
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官方关于{dede:sql}介绍</p>
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标<u>签名</u>称:sql功能说明,用于从模板中用一个SQL查询获得其返回内容适用范围,全局使用基本语法：{dede:sql sql=""}底层模板{/dede:sql}参数说明：sql="" 完整的SQL查询语句底层模板字段：SQL语句中查出的所有字段都可以用来调用</p>
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应用实例:</p>
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调用某个特定会员发布的文章内容,代码如下:<br>
</p>
<div class="msgheader" style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
<div class="right">
<span><u>复制代码</u></span>
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代码如下:</div>
<div class="msgborder" id="phpcode9" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
{dede:sql sql='Select * from dede_archives where mid=1'} <br>
'/plus/view.php?aid=' target='_blank'> <br>
{/dede:sql}</div>
<span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'> </span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>mid为用户ID可以参考,二次开发中关于dede_archives的数据表字段介绍.</span>
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例,代码如下:<br>
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<span><u>复制代码</u></span>
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代码如下:</div>
<div class="msgborder" id="phpcode10" style='margin: 0px auto 3px; padding: 0px 3px; outline: none; line-height: 25.2px; font-size: 14px; clear: both; border-right: 1px solid rgb(0, 153, 204); background: rgb(221, 237, 251); overflow: hidden; border-left: 1px solid rgb(0, 153, 204); word-break: break-all; border-bottom: 1px solid rgb(0, 153, 204); word-wrap: break-word; font-family: tahoma, arial, "Microsoft YaHei";'>
{dede:sql sql='select d.typename,d.id,count(da.id) as heji from dede_arctype d left join dede_archives da on da.typeid=d.id where d.reid=0 group by d.typename order by heji desc limit 0,8;'} <br>
[篇] 共投递稿件 <br>
{/dede:sql}</div>
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<span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>我应用的一个实例,调用一条记录,代码如下:</span><br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>
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<div class="msgheader" style='margin: 3px auto 0px; padding: 0px 3px; outline: none; line-height: 21.6px; clear: both; border-width: 1px; border-style: solid; border-color: rgb(0, 153, 204); background: rgb(246, 251, 255); overflow: hidden; font-family: tahoma, arial, "Microsoft YaHei";'>
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<span><u>复制代码</u></span>
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代码如下:</div>
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{dede:sql sql='select * from rschina_myad where aid =24'} <br>
class="tab1">"#1"> <br><br>
{/dede:sql} <br>
{dede:sql sql='select * from rschina_myad where aid =25'} <br>
class="tab2">"#2"> <br><br>
{/dede:sql} <br>
{dede:sql sql='select * from rschina_myad where aid =26'} <br>
class="tab3">"#3"> <br><br>
{/dede:sql} <br>
{dede:sql sql='select * from rschina_myad where aid =27'} <br>
class="tab4">"#4"> <br><br>
{/dede:sql} <br>
{dede:sql sql='select * from rschina_myad where aid =28'} <br>
class="tab5">"#5"> <br><br>
{/dede:sql}</div>
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希望本文所述对大家的dedecms建站有所帮助。</p>
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