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ThinkPHP 模板substr的截取字符串函数

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Release: 2016-06-07 11:39:21
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ThinkPHP 模板substr的截取字符串函数
在Common/function.php加上以下代码/**<br> ** 截取中文字符串<br> **/<br> function msubstr($str, $start=0, $length, $charset="utf-8", $suffix=true){<br>     if(function_exists("mb_substr")){<br>         $slice= mb_substr($str, $start, $length, $charset);<br>     }elseif(function_exists('iconv_substr')) {<br>         $slice= iconv_substr($str,$start,$length,$charset);<br>     }else{<br>         $re['utf-8'] = "/[x01-x7f]|[xc2-xdf][x80-xbf]|[xe0-xef][x80-xbf]{2}|[xf0-xff][x80-xbf]{3}/";<br>         $re['gb2312'] = "/[x01-x7f]|[xb0-xf7][xa0-xfe]/";<br>         $re['gbk'] = "/[x01-x7f]|[x81-xfe][x40-xfe]/";<br>         $re['big5'] = "/[x01-x7f]|[x81-xfe]([x40-x7e]|xa1-xfe])/";<br>         preg_match_all($re[$charset], $str, $match);<br>         $slice = join("",array_slice($match[0], $start, $length));<br>     }    <br>         $fix='';<br>         if(strlen($slice)              $fix='...';<br>         }<br>         return $suffix ? $slice.$fix : $slice;<br> }前端页面需要截取字符串时{$v.title|msubstr=0,5}

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