ThinkPHP的截取字符串函数无法显示省略号的解决方法

ThinkPHP  /  管理员 发布于 8年前   211

对于ThinkPHP的截取字符串函数无法显示省略号的情况，解决方法如下：
打开Common/extend.php页面，修改msubstr函数如下：

function msubstr($str, $start=0, $length, $charset="utf-8", $suffix=true){  if(function_exists("mb_substr")) {   if($suffix)  {     if($str==mb_substr($str, $start, $length, $charset))      {      return mb_substr($str, $start, $length, $charset);      }     else     {      return mb_substr($str, $start, $length, $charset)."...";      }  }    else  {   return mb_substr($str, $start, $length, $charset);  }  }  elseif(function_exists('iconv_substr')) {   if($suffix)  {     if($str==iconv_substr($str,$start,$length,$charset))      {      return iconv_substr($str,$start,$length,$charset);      }     else     {      return iconv_substr($str,$start,$length,$charset)."...";      }    }    else  {   return iconv_substr($str,$start,$length,$charset);  }  }  $re['utf-8']  = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/";  $re['gb2312'] = "/[\x01-\x7f]|[\xb0-\xf7][\xa0-\xfe]/";  $re['gbk']  = "/[\x01-\x7f]|[\x81-\xfe][\x40-\xfe]/";  $re['big5']  = "/[\x01-\x7f]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])/";  preg_match_all($re[$charset], $str, $match);  $slice = join("",array_slice($match[0], $start, $length));  if($suffix) return $slice."…";  return $slice;}

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