在common/function.php加上以下代码/**
** 截取中文字符串
**/
function msubstr($str, $start=0, $length, $charset=utf-8, $suffix=true){
if(function_exists(mb_substr)){
$slice= mb_substr($str, $start, $length, $charset);
}elseif(function_exists('iconv_substr')) {
$slice= iconv_substr($str,$start,$length,$charset);
}else{
$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));
}
$fix='';
if(strlen($slice) $fix='...';
}
return $suffix ? $slice.$fix : $slice;
}前端页面需要截取字符串时{$v.title|msubstr=0,5}
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