字符串转编码
/**
* 描述 : 字符串转编码
* 参数 :$str 字符串 $code 要转换的编码 默认UTF-8
* 作者 : Smart.Chen
*/
function strEncode($str, $code = 'UTF-8') {
$encode = mb_detect_encoding($str, array("ASCII",'UTF-8',"GB2312","GBK",'BIG5','LATIN1'));
if ($encode != $code) {
return mb_convert_encoding($str, $code, $encode);
} else {
return $str;
}
}