地址：http://xxx.com/home/outpdf/index.html?enews=outRzsqb
无法接收到enews的值：

打印 var_dump($_GET)为：array(1) { ["/home/outpdf/index_html"]=> string(0) "" }

打印var_dump($_REQUEST)为：array(3) { ["/home/outpdf/index_html"]=> string(0) "" ["PHPSESSID"]=> string(26) "2s45p4hjm264n34s9u85u9dar1" ["think_language"]=> string(5) "zh-CN" }