php.ini中有关默认字符集的设置
default_charset = "utf-8"
mbstring.internal_encoding=utf-8
mbstring.http_output=UTF-8
mbstring.encoding_translation=On
mbstring.func_overload=6
如要修改PHP默认字符集为GB2312
vi php.ini
default_charset = "GB2312"
systemctl restart httpd