action/addbanner.php

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<?php
	session_start(); 
	date_default_timezone_set("PRC");
	header('Content-Type: application/json');
	header('Content-Type: text/html;charset=utf-8');
	$action = $_POST['action'];
	$title = $_POST['title'];
	$link = $_POST['link'];
  $pic = $_POST['pic'];
	$nowdate = date('Y-m-d H:i:s',time());
	$returnarr = [];
	if(!isset($_SESSION["InfoID"]))
	{
		$returnarr['code'] = -1;
		$returnarr['msg'] = "登录超时，请重新登录！"; 
		echo json_encode($returnarr);
	}
	else
	{
		include_once("database.php");
		include_once("bindparam.php");
		if($action == "add")
		{
				$sql = "insert into Banner(Title,Link,AddDate,Inputer,Pic) values(?,?,?,?,?)";
				bindParam($sql, 1, $title, 'STRING');
				bindParam($sql, 1, $link, 'STRING');
				bindParam($sql, 1, $nowdate, 'STRING');
				bindParam($sql, 1, $_SESSION["InfoID"], 'INT');
				bindParam($sql, 1, $pic, 'STRING');
				$result = mysql_query($sql);
				if($result)
				{
					$returnarr['code'] = 0;
					$returnarr['msg'] = "操作成功！"; 
				}
				else
				{
					$returnarr['code'] = 1;
					$returnarr['msg'] = $sql; 
				}
				echo json_encode($returnarr);
		}
		else
		{
			$infoid = $_POST['infoid'];
			$sql = "update Banner set Title=?,Link = ?,Pic = ? where InfoID = ? ";
			bindParam($sql, 1, $title, 'STRING');
			bindParam($sql, 1, $link, 'STRING');
			bindParam($sql, 1, $pic, 'STRING');
			bindParam($sql, 1, $infoid, 'INT');
        
			$result = mysql_query($sql);
			if($result)
			{

				$returnarr['code'] = 0;
				$returnarr['msg'] = "操作成功！"; 
			}
			else
			{        $returnarr['sql'] = $sql;