functionChgTitle($title){$length=46;if(strlen($title)>$length){$temp=0;for($i=0;$i<$length;$i++)if(ord($title[$i])>128)$temp++;if($temp%2==0)$title=substr($title,0,$length)."...";else$title=substr($title,0,$length+1)."...";}return$title;}原理就是截断一个字符，看看其ascII码是不是大于128，如果是，...