POST?/TEST/http/http002.php?HTTP/1.1
Host:localhost
Content-Type:application/x-www-form-urlencoded?
Content-Length:34

username=abc808088&password=123456
-----------------------------------------
輸出結(jié)果:
username=abc808088&password=123456HTTP/1.1?200?OK
Date:?Tue,?17?Oct?2017?12:40:59?GMT
Server:?Apache/2.4.27?(Win64)?PHP/5.6.31
X-Powered-By:?PHP/5.6.31
Content-Length:?182
Content-Type:?text/html;?charset=UTF-8

array(0)?{}??//此處應(yīng)顯示為var_dump($_POST)，結(jié)果確為空;