估计不少玩smarty模板的小朋友都遇到过裁切乱码问题。特别是UTF8编码的。
以下代码保存为modifier.truncate2.php 存到smarty libs下的plugin目录下
然后裁剪的时候用$v->content|truncate2:100
就搞定了。
如果不好用可能是缓存导致,请速度删除templates_c下的缓存文件(小编搞的时候遇到缓存问题。) 代码如下:/** * Smarty plugin * @package Smarty * @subpackage plugins */ /** * Smarty truncate modifier plugin * * Type: modifier
* Name: truncate
* Purpose: Truncate a string to a certain length if necessary, * optionally splitting in the middle of a word,and * appending the $etc string or inserting $etc into the middle. * @link http://smarty.php.net/manual/en/language.modifier.truncate.php * truncate (Smarty online manual) * @author Monte Ohrt * @param string * @param integer * @param string * @param boolean * @param boolean * @return string */ function smarty_modifier_truncate2( $string,$length = 80,$etc='...',$count_words = true ) { return $returnstr =substr_utf8($string,$length).$etc; }function substr_utf8($str,$start=0,$length=-1,$return_ary=false) { $len = strlen($str);if ($length == -1) $length = $len; $r = array(); $n = 0; $m = 0; for($i = 0; $i < $len; $i++) { $x = substr($str,$i,1); $a = base_convert(ord($x),10,2); $a = substr('00000000'.$a,-8); if ($n < $start) { if (substr($a,1) == 0) { }elseif (substr($a,3) == 110) { $i += 1; }elseif (substr($a,4) == 1110) { $i += 2; } $n++; }else { if (substr($a,1) == 0) { $r[] = substr($str,1); }elseif (substr($a,3) == 110) { $r[] = substr($str,2); $i += 1; }elseif (substr($a,4) == 1110) { $r[] = substr($str,3); $i += 2; }else { $r[] = ''; } if (++$m >= $length) { break; } } } return $return_ary ? $r : implode("",$r); } /* vim: set expandtab: */ ?> samrty的插件体系还是比较智能而且容易修改的。 (编辑:安卓应用网)
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