function fn_safe($str_string) {
//直接剔除
$_arr_dangerChars = array(
"|", ";", "$", "@", "+", "\t", "\r", "\n", ",", "(", ")", PHP_EOL //特殊字符
);
//正则剔除
$_arr_dangerRegs = array(
/* -------- 跨站 --------*/
//html 标签
"/<(script|frame|iframe|bgsound|link|object|applet|embed|blink|style|layer|ilayer|base|meta)\s+\S*>/i",
//html 属性
"/on(afterprint|beforeprint|beforeunload|error|haschange|load|message|offline|online|pagehide|pageshow|popstate|redo|resize|storage|undo|unload|blur|change|contextmenu|focus|formchange|forminput|input|invalid|reset|select|submit|keydown|keypre