如何使用LWP发出JSON POST请求?

您需要手动构造HTTP请求并将其传递给LWP。应该采取如下措施:

my $uri = 'https://orbit.theplanet.com/Login.aspx?url=/Default.aspx';
my $json = '{"username":"foo","password":"bar"}';
my $req = HTTP::Request->new( 'POST', $uri );
$req->header( 'Content-Type' => 'application/json' );
$req->content( $json );

然后可以使用LWP执行请求:

my $lwp = LWP::UserAgent->new;
$lwp->request( $req );

只需创建一个POST请求,将其作为主体,并将其交给LWP。

my $req = HTTP::Request->new(POST => $url);
$req->content_type('application/json');
$req->content($json);

my $ua = LWP::UserAgent->new; # You might want some options here
my $res = $ua->request($req);
# $res is an HTTP::Response, see the usual LWP docs.

这个页面只是使用了一个“匿名”(没有名字)输入,碰巧是JSON格式的。

你应该可以使用 $ua->post($url, ..., Content => $content) ,然后使用POST()函数 HTTP::Request::Common .

use LWP::UserAgent;

my $url = 'https://orbit.theplanet.com/Login.aspx?url=/Default.aspx';
my $json = '{"username": "foo", "password": "bar"}';

my $ua = new LWP::UserAgent();
$response = $ua->post($url, Content => $json);

if ( $response->is_success() ) {
    print("SUCCESSFUL LOGIN!\n");
}
else {
    print("ERROR: " . $response->status_line());
}

或者,也可以对JSON输入使用散列:

use JSON::XS qw(encode_json);

...

my %json;
$json{username} = "foo";
$json{password} = "bar";

...

$response = $ua->post($url, Content => encode_json(\%json));

如果您真的想使用WWW::Mechanize,可以在post之前设置标题“content type”

$mech->add_header( 
'content-type' => 'application/json'
);

$mech->post($uri, Content => $json);