perl和curl 模拟post 发送json数据

curl 发送post 请求：
node2:/etc/httpd/conf#curl -i -X POST -H 'Content-Type:application/json' -d '{"jsonrpc":"2.0","method":"apiinfo.version","params":{},"id":1}' http://192.168.137.3/zabbix/api_jsonrpc.php
HTTP/1.1 200 OK
Date: Sun, 12 Mar 2017 18:55:20 GMT
Server: Apache/2.2.15 (CentOS)
X-Powered-By: PHP/5.3.3
Content-Length: 41
Connection: close
Content-Type: application/json

{"jsonrpc":"2.0","result":"2.2.2","id":1}node2:/etc/httpd/conf#



　-i/--include 输出时包括protocol头信息


  -X/--request <command>指定什么命令
  
  -H/--header <line>自定义头信息传递给服务器
  
  -d/--data <data>   HTTP POST方式传送数据
  
    use  LWP::UserAgent;   
use LWP;  
use Encode;  
use LWP::Simple;  
use LWP::UserAgent;  
use HTTP::Cookies;  
use HTTP::Headers;  
use HTTP::Response;  
use Encode;  
use URI::Escape;  
use URI::URL;  
use JSON;  
use Data::Dumper;  
  my $ua = LWP::UserAgent->new;  
     $ua->agent("Mozilla/5.0 (Windows NT 6.1; rv:30.0) Gecko/20100101 Firefox/30.0");  
  my $cookie_jar = HTTP::Cookies->new(  
     file=>'lwp_cookies.txt',  
     autosave=>1,  
     ignore_discard=>1);  
     $ua->cookie_jar($cookie_jar);    
  my $login_url ="http://192.168.137.3/zabbix/api_jsonrpc.php";    
   my $post = {    
         "jsonrpc"=>"2.0",
         "method"=>"apiinfo.version",
         "id"=>1,
		 "params"=>{}
          		 
    };    
    use JSON qw(encode_json);    
    $json_string = encode_json($post);    
    
    my $req = HTTP::Request->new(    
        'POST' => $login_url  
    );    
    $req->referer("https://wx.qq.com/?&lang=zh_CN");    
    $req->content_type('application/json-rpc; charset=UTF-8')    
      ;    #post请求,如果有发送参数，必须要有这句    
    $req->content("$json_string");    #发送post的参数    
    my $res = $ua->request($req);    
    print $res->content();            #获取的是响应正文