<?php
include("conn.php");
$title = $_POST["title"]; //获取title
$content = $_POST["content"]; //获取content
$username = $_POST["username"]; //获取username
$threadId = $_POST["threadid"]; //获取threadid


$sql="insert into bbs_post (title,content,username,threadid) " .
    "values ('$title','$content','$username','$threadId')";
   mysql_query($sql);
  //传回最后一次使用 INSERT 指令的 ID
$responseId=mysql_insert_id();
echo $responseId;
?>