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1 function smarty_modifier_truncate_cn($string, $length = 80, $code = 'UTF-8', $etc = ' ')
2{
3 if ($length == 0)
4 return '';
5 if($code == 'UTF-8'){
6 $pa = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xef][\x80-\xbf][\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]|[\xf1-\xf7][\x80-\xbf][\x80-\xbf][\x80-\xbf]/";
7 }
8 else{
9 $pa = "/[\x01-\x7f]|[\xa1-\xff][\xa1-\xff]/";
10 }
11 preg_match_all($pa, $string, $t_string);
12 if(count($t_string[0]) > $length)
13 return join('', array_slice($t_string[0], 0, $length)).$etc;
14 return join('', array_slice($t_string[0], 0, $length));
15}
以下代码保存为ascii格式
1<html>
2<head>
3<title>Truncate 测试</title>
4<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
5</head>
6<body>
7{{$string}}<br>
8{{$string|truncate_cn:15:"":""}}<br>
9</body>
10</html>
以下代码保存为:UTF-8格式
1<html>
2<head>
3<title>Truncate 测试</title>
4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
5</head>
6<body>
7{{$string}}<br>
8{{$string|truncate_cn:15:"UTF-8":""}}<br>
9</body>
10</html>
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