----------------------------------------------------------------------------------------------------
header('content-type:text/html;charset=utf-8');$a = '中文';echo json_encode($a);//5.3版本以前,无参数情况输出 "\u4e2d\u6587"echo json_encode($a, JSON_UNESCAPED_UNICODE); // "中文"
Link: http://www.cnblogs.com/farwish/p/3847845.html