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php中关于sql数据库数据的问题

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Release: 2016-06-08 17:32:28
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问题: 
我查询一个表比如xinxi  里面的其中有字段为name,id 
select name from xinxi where id="变量" 
如果查出来的name 的长度的字符 的值大于3比如为"aaaaaaaaaaaaaaa"我想显示为"aaa..."; 
怎么实现望大家帮忙.......

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如果是SQL语句则为:

SQL code
<br><!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><span style="color: rgb(0, 0, 255);">select</span><span style="color: rgb(0, 0, 0);"> name </span><span style="color: rgb(128, 128, 128);">=</span><span style="color: rgb(0, 0, 0);"> </span><span style="color: rgb(255, 0, 255);">case</span><span style="color: rgb(0, 0, 0);"> </span><span style="color: rgb(0, 0, 255);">when</span><span style="color: rgb(0, 0, 0);"> </span><span style="color: rgb(255, 0, 255);">len</span><span style="color: rgb(0, 0, 0);">(name) </span><span style="color: rgb(128, 128, 128);">></span><span style="color: rgb(0, 0, 0);"> </span><span style="color: rgb(128, 0, 0); font-weight: bold;">3</span><span style="color: rgb(0, 0, 0);"> </span><span style="color: rgb(0, 0, 255);">then</span><span style="color: rgb(0, 0, 0);"> </span><span style="color: rgb(128, 128, 128);">left</span><span style="color: rgb(0, 0, 0);">(name,</span><span style="color: rgb(128, 0, 0); font-weight: bold;">3</span><span style="color: rgb(0, 0, 0);">) </span><span style="color: rgb(0, 0, 255);">else</span><span style="color: rgb(0, 0, 0);"> name </span><span style="color: rgb(0, 0, 255);">end</span><span style="color: rgb(0, 0, 0);"> </span><span style="color: rgb(0, 0, 255);">from</span><span style="color: rgb(0, 0, 0);"> xinxi </span><span style="color: rgb(0, 0, 255);">where</span><span style="color: rgb(0, 0, 0);"> id</span><span style="color: rgb(128, 128, 128);">=</span><span style="color: rgb(255, 0, 0);">''</span><span style="color: rgb(255, 0, 0);">变量</span><span style="color: rgb(255, 0, 0);">''</span><span style="color: rgb(0, 0, 0);"> </span><br>
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