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ThinkPHP中截断指定长度的中文字符串后用删节号代替

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Release： 2016-06-13 12:55:37

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ThinkPHP中截断指定长度的中文字符串后用省略号代替

在TP模板中获取字符串并截断，以前一直觉得很神奇，现在才知道是自己不懂。

开始不是很了解模板中可以直接调用方法，以为$this->assign('content',$res);指派后只能在模板中这样接受{$content}，于是写各种原生PHP语句无效

<php>$title = {$content['title']}</php>

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后来高手指点才知道在标签中不需要{}也就是

//显示效果

参考文章：点击打开链接

<php>$title = $content['title']</php>

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于是终于拨开乌云见日开了

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//放在Common文件夹下common.php中的获取中文字符串的方法

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<pre name="code" class="php">function abslength($str){   
       $len=strlen($str);   
       $i=0; $j=0;  
       while($i//注意TP中的编码都是utf-8，所以+3;如果是GBK改为+2 
              }   
              else  
              {   
               $i+=1;   
             }   
          $j++;
       }
       return $j;
   }

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<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">

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//模板中的部分代码

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echo substr('abc',0,2).'...'; $title = $content['title']; $length = abslength($title); if ($length>6) { {$content['title'] | String::msubstr=0,5,'utf-8',true} //参考的是底部的连接 } else { echo $content['title']; }

{$content['time']}

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