<form action="submit1.php" method="post">
  <input type="text" name="inputLink" placeholder="输入链接">
  <input type="submit" value="提交">
</form>

<?php
$inputLink = $_POST['inputLink'];

// 处理第一个链接的逻辑
// ...

// 处理第二个链接的逻辑
// ...
?>

<?php
$inputLink = $_POST['inputLink'];

// 提交第一个链接
$ch1 = curl_init();
curl_setopt($ch1, CURLOPT_URL, "http://example.com/first-link");
curl_setopt($ch1, CURLOPT_POST, 1);
curl_setopt($ch1, CURLOPT_POSTFIELDS, "inputLink=" . urlencode($inputLink));
curl_setopt($ch1, CURLOPT_RETURNTRANSFER, true);
$response1 = curl_exec($ch1);
curl_close($ch1);

// 提交第二个链接
$ch2 = curl_init();
curl_setopt($ch2, CURLOPT_URL, "http://example.com/second-link");
curl_setopt($ch2, CURLOPT_POST, 1);
curl_setopt($ch2, CURLOPT_POSTFIELDS, "inputLink=" . urlencode($inputLink));
curl_setopt($ch2, CURLOPT_RETURNTRANSFER, true);
$response2 = curl_exec($ch2);
curl_close($ch2);

// 处理第一个链接的响应
// ...

// 处理第二个链接的响应
// ...
?>