Question

我在perl中遇到问题我正在使用脚本实际上是symlink工具，所以我尝试创建一个按钮名为symlink的符号链接到名为/ etc / passwd的文件所以我怎么称呼，但这些在一起

$target="/etc/passwd";
$distension ="1.txt";

$symlink = symlink($target,$distension);

if($symlink == 1) {print " distension symlink created successfully";}

else {print "cannot symlink File $distension Already Exists ";}

<button value="" name="symlink" type="button"
onclick="alert('symlink created successfully ^_^')">symlink</button>

所以我想要的是当我单击将发生的符号链接按钮时对不起我的英语

Answer 1

Perl程序需要在Web服务器中运行或作为Web服务器运行。示例：

app.psgi

#!/usr/bin/env plackup
use strict;
use warnings;
use Plack::Request qw();
use HTTP::Status qw(
    HTTP_OK HTTP_METHOD_NOT_ALLOWED HTTP_INTERNAL_SERVER_ERROR
);

my $app = sub {
    my ($env) = @_;
    my $req = Plack::Request->new($env);
    if ('POST' eq $req->method) {
        my $target = '/etc/passwd';
        my $distension = '1.txt';
        if (symlink $target, $distension) {
            return $req->new_response(
                HTTP_OK, ['Content-Type' => 'text/plain'], [
                    'distension symlink created successfully'
                ]
            )->finalize;
            print ;
        } else {
            return $req->new_response(
                HTTP_INTERNAL_SERVER_ERROR, ['Content-Type' => 'text/plain'], [
                    "could not symlink <$target> to <$distension>: $!"
                ]
            )->finalize;
        }
    } else {
        return $req->new_response(HTTP_METHOD_NOT_ALLOWED)->finalize;
    }
};

HTML表单需要引起对Web服务器的POST请求。

<form method="POST" action="http://localhost:5000">
    <input type="submit" value="create symlink">
</form>

如何使用html创建按钮以在Perl中符号链接文件？

1 个答案: