ThinkPHP的截取字符串函数无法显示省略号的解决方法
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:
functionmsubstr($str,$start=0,$length,$charset="utf-8",$suffix=true) { if(function_exists("mb_substr")){ if($suffix) { if($str==mb_substr($str,$start,$length,$charset)) { returnmb_substr($str,$start,$length,$charset); } else { returnmb_substr($str,$start,$length,$charset)."..."; } } else { returnmb_substr($str,$start,$length,$charset); } } elseif(function_exists('iconv_substr')){ if($suffix) { if($str==iconv_substr($str,$start,$length,$charset)) { returniconv_substr($str,$start,$length,$charset); } else { returniconv_substr($str,$start,$length,$charset)."..."; } } else { returniconv_substr($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; }