[求助]能帮小弟看看图片为什么上传不到数据库吗？--一起PHP技术联盟

[求助]能帮小弟看看图片为什么上传不到数据库吗？

<?php require_once('Connections/connews.php'); ?>
<?php
session_start();
$MM_authorizedUsers = "";
$MM_donotCheckaccess = "true";

// *** Restrict Access To Page: Grant or deny access to this page
function isAuthorized($strUsers, $strGroups, $UserName, $UserGroup) {
  // For security, start by assuming the visitor is NOT authorized.
  $isValid = False;

  // When a visitor has logged into this site, the Session variable MM_Username set equal to their username.
  // Therefore, we know that a user is NOT logged in if that Session variable is blank.
  if (!empty($UserName)) {
    // Besides being logged in, you may restrict access to only certain users based on an ID established when they login.
    // Parse the strings into arrays.
    $arrUsers = Explode(",", $strUsers);
    $arrGroups = Explode(",", $strGroups);
    if (in_array($UserName, $arrUsers)) {
  $isValid = true;
    }
    // Or, you may restrict access to only certain users based on their username.
    if (in_array($UserGroup, $arrGroups)) {
  $isValid = true;
    }
    if (($strUsers == "") && true) {
  $isValid = true;
    }
  }
  return $isValid;
}

$MM_restrictGoTo = "login.php";
if (!((isset($_SESSION['MM_Username'])) && (isAuthorized("",$MM_authorizedUsers, $_SESSION['MM_Username'], $_SESSION['MM_UserGroup'])))) {
  $MM_qsChar = "?";
  $MM_referrer = $_SERVER['PHP_SELF'];
  if (strpos($MM_restrictGoTo, "?")) $MM_qsChar = "&";
  if (isset($QUERY_STRING) && strlen($QUERY_STRING) > 0)
  $MM_referrer .= "?" . $QUERY_STRING;
  $MM_restrictGoTo = $MM_restrictGoTo. $MM_qsChar . "accesscheck=" . urlencode($MM_referrer);
  header("Location: ". $MM_restrictGoTo);
  exit;
}
?>
<?php
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
  $theValue = (!get_magic_quotes_gpc()) ? addslashes($theValue) : $theValue;

  switch ($theType) {
    case "text":
  $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
  break;
    case "long":
    case "int":
  $theValue = ($theValue != "") ? intval($theValue) : "NULL";
  break;
    case "double":
  $theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
  break;
    case "date":
  $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
  break;
    case "defined":
  $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
  break;
  }
  return $theValue;
}

$editFormAction = $_SERVER['PHP_SELF'];
if (isset($_SERVER['QUERY_STRING'])) {
  $editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']);
}

if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "form1")) {
  $insertSQL = sprintf("INSERT INTO news (typeid, title,img,content ,author) VALUES (%s,%s, %s, %s, %s)",
       GetSQLValueString($_POST['typeid'], "text"),
       GetSQLValueString($_POST['title'], "text"),
   GetSQLValueString($_POST['img'], "text"),
       GetSQLValueString($_POST['content'], "text"),
       GetSQLValueString($_POST['author'], "text"));


  mysql_select_db($database_connews, $connews);
  $Result1 = mysql_query($insertSQL, $connews) or die(mysql_error());
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>新闻发布界面</title>
<style type="text/css">

</style></head>

<body>
<form action="<?php echo $editFormAction; ?>" method="POST" enctype="multipart/form-data" name="form1">
  <p> </p>
  <table width="234" height="73" align="center" cellpadding="0" cellspacing="0">
    <tr>
  <td height="37"><div align="left"><span class="style2"><span class="style5">login success! </span></span></div></td>
    </tr>
    <tr>
  <td class="style2"><div align="center">新闻发布系统</div></td>
    </tr>
  </table>
    <p> </p>
    <table width="476" height="382" border="1" align="center" cellpadding="0" cellspacing="0" bordercolor="#000000">
    <tr>
  <th width="125" height="32" align="center" scope="row">新闻类型:</th>
  <td width="351"><p>
    </p>
    <p>1.企业文化 2.公司概况 3.政策法规 </p>
    <p>4.项目运营 5.新闻动态 6.媒体报道</p>
    <p>
  <input name="typeid" type="text" id="typeid">
(输入数字) </p>
    <p>  </p></td>
    </tr>
    <tr>
  <th height="28" align="center" scope="row">标题:</th>
  <td><input name="title" type="text" id="title2"></td>
    </tr>
    <tr>
  <th height="28" align="center" scope="row">图片:</th>
  <td><label><input name="img" type="file" id="img"></label></td>
    </tr>
    <tr>
  <th align="center" scope="row">新闻内容:</th>
  <td><textarea name="content" cols="50" rows="7" id="textarea"></textarea></td>
    </tr>
    <tr>
  <th height="29" align="center" scope="row">作者:</th>
  <td><input name="author" type="text" id="author"></td>
    </tr>
    <tr>
  <th colspan="2" scope="row"><input type="submit" name="Submit" value="提交">
  　　　
    <input type="reset" name="Submit2" value="重置"></th>
    </tr>
    <tr>
  <th height="30" colspan="2" scope="row"><a href="login.php">管理员退出</a> 　　　　<a href="search.php">新闻搜索界面</a>　　　　 </th>
    </tr>
  </table>
  <p> </p>
    <input type="hidden" name="MM_insert" value="form1">
</form>
</body>
</html>

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