HTTP POST GET详解
get /shang/a1.php http/1.1
host: localhost

POST /shang/a1.php HTTP/1.1
Host: localhostContent-Type: application/x-www-form-urlencodedContent-Length: 15
在 cmd执行php文件

get /shang/a1.php http/1.1
host: localhost
POST /shang/a1.php HTTP/1.1
Host: localhostContent-Type: application/x-www-form-urlencodedContent-Length: 15