php把字符编码转utf8的方法:
function strToUtf8($str){ $encode = mb_detect_encoding($str, array("ASCII",'UTF-8',"GB2312","GBK",'BIG5')); if($encode == 'UTF-8'){ return $str; }else{ return mb_convert_encoding($str, 'UTF-8', $encode); }}
//mb_convert_encoding('要转编码的字符串','目标编码','原编码')//mb_detect_encoding('字符串'):mb_convert_encoding($str,'utf-8',mb_detect_encoding($str))
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